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bsnes
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Update to bsnes v061r02 release. 

Complete rewrite of adc + sbc opcodes, should fix:
- adc BCD overflow flag
- sbc BCD overflow flag
- sbc BCD invalid input value

Testing is appreciated, I believe Sim Earth is probably the most
likely to observe any difference.
This commit is contained in:
byuu 2010-03-13 15:40:21 +00:00
parent 79404ec523
commit 78e1a5b067
516 changed files with 138 additions and 77355 deletions
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pixelshaders/Curvature/fragment
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//CRT curvature shader
//license: GPL
//author: DOLLS
uniform sampler2D rubyTexture;
#define distortion 0.2
vec2 barrelDistortion(vec2 coord) {
vec2 cc = coord - 0.5;
float dist = dot(cc, cc);
return coord + cc * (dist + distortion * dist * dist) * distortion;
}
void main(void) {
gl_FragColor = texture2D(rubyTexture, barrelDistortion(gl_TexCoord[0].xy));
}

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pixelshaders/HDRTV/fragment
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//HDRTV GLSL shader
//license: GPL
//original version by SimoneT
//ruby port by byuu
uniform sampler2D rubyTexture;
void main(void) {
vec4 rgb = texture2D(rubyTexture, gl_TexCoord[0].xy);
vec4 intens = smoothstep(0.2,0.8,rgb) + normalize(vec4(rgb.xyz, 1.0));
if(fract(gl_FragCoord.y * 0.5) > 0.5) intens = rgb * 0.8;
gl_FragColor = intens;
}

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pixelshaders/HDRTV/vertex
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//HDRTV GLSL shader
//license: GPL
//original version by SimoneT
//ruby port by byuu
void main(void) {
gl_Position = ftransform();
gl_TexCoord[0] = gl_MultiTexCoord0;
}

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pixelshaders/HLSL/sepia.fx
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texture rubyTexture;
float4 vec;
sampler s0 = sampler_state { texture = <rubyTexture>; };
float3 LightColor = { 1.0, 0.7, 0.5 };
float3 DarkColor = { 0.2, 0.05, 0.0 };
float4 DiffColorPass(in float2 Tex : TEXCOORD0) : COLOR0
{
vec.x = 0.5;
vec.y = 1.0;
float3 scnColor = LightColor * tex2D(s0, Tex).xyz;
float3 grayXfer = float3(0.3, 0.59, 0.11);
float gray = dot(grayXfer, scnColor);
float3 muted = lerp(scnColor, gray.xxx, vec.x);
float3 sepia = lerp(DarkColor, LightColor, gray);
float3 result = lerp(muted, sepia, vec.y);
return float4(result, 1);
}
Technique T0
{
pass p0 { PixelShader = compile ps_2_0 DiffColorPass(); }
}

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pixelshaders/HQ2x/fragment
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//HQ2x GLSL shader
//license: GPL
//original version by guest(r)
//ruby port by byuu
uniform sampler2D rubyTexture;
const float mx = 0.325; // start smoothing wt.
const float k = -0.250; // wt. decrease factor
const float max_w = 0.25; // max filter weigth
const float min_w =-0.05; // min filter weigth
const float lum_add = 0.25; // effects smoothing
void main() {
vec3 c00 = texture2D(rubyTexture, gl_TexCoord[1].xy).xyz;
vec3 c10 = texture2D(rubyTexture, gl_TexCoord[1].zw).xyz;
vec3 c20 = texture2D(rubyTexture, gl_TexCoord[2].xy).xyz;
vec3 c01 = texture2D(rubyTexture, gl_TexCoord[4].zw).xyz;
vec3 c11 = texture2D(rubyTexture, gl_TexCoord[0].xy).xyz;
vec3 c21 = texture2D(rubyTexture, gl_TexCoord[2].zw).xyz;
vec3 c02 = texture2D(rubyTexture, gl_TexCoord[4].xy).xyz;
vec3 c12 = texture2D(rubyTexture, gl_TexCoord[3].zw).xyz;
vec3 c22 = texture2D(rubyTexture, gl_TexCoord[3].xy).xyz;
vec3 dt = vec3(1.0, 1.0, 1.0);
float md1 = dot(abs(c00 - c22), dt);
float md2 = dot(abs(c02 - c20), dt);
float w1 = dot(abs(c22 - c11), dt) * md2;
float w2 = dot(abs(c02 - c11), dt) * md1;
float w3 = dot(abs(c00 - c11), dt) * md2;
float w4 = dot(abs(c20 - c11), dt) * md1;
float t1 = w1 + w3;
float t2 = w2 + w4;
float ww = max(t1, t2) + 0.0001;
c11 = (w1 * c00 + w2 * c20 + w3 * c22 + w4 * c02 + ww * c11) / (t1 + t2 + ww);
float lc1 = k / (0.12 * dot(c10 + c12 + c11, dt) + lum_add);
float lc2 = k / (0.12 * dot(c01 + c21 + c11, dt) + lum_add);
w1 = clamp(lc1 * dot(abs(c11 - c10), dt) + mx, min_w, max_w);
w2 = clamp(lc2 * dot(abs(c11 - c21), dt) + mx, min_w, max_w);
w3 = clamp(lc1 * dot(abs(c11 - c12), dt) + mx, min_w, max_w);
w4 = clamp(lc2 * dot(abs(c11 - c01), dt) + mx, min_w, max_w);
gl_FragColor.xyz = w1 * c10 + w2 * c21 + w3 * c12 + w4 * c01 + (1.0 - w1 - w2 - w3 - w4) * c11;
}

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pixelshaders/HQ2x/vertex
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//HQ2x GLSL shader
//license: GPL
//original version by guest(r)
//ruby port by byuu
uniform vec2 rubyTextureSize;
void main() {
float x = 0.5 * (1.0 / rubyTextureSize.x);
float y = 0.5 * (1.0 / rubyTextureSize.y);
vec2 dg1 = vec2( x, y);
vec2 dg2 = vec2(-x, y);
vec2 dx = vec2(x, 0.0);
vec2 dy = vec2(0.0, y);
gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
gl_TexCoord[0] = gl_MultiTexCoord0;
gl_TexCoord[1].xy = gl_TexCoord[0].xy - dg1;
gl_TexCoord[1].zw = gl_TexCoord[0].xy - dy;
gl_TexCoord[2].xy = gl_TexCoord[0].xy - dg2;
gl_TexCoord[2].zw = gl_TexCoord[0].xy + dx;
gl_TexCoord[3].xy = gl_TexCoord[0].xy + dg1;
gl_TexCoord[3].zw = gl_TexCoord[0].xy + dy;
gl_TexCoord[4].xy = gl_TexCoord[0].xy + dg2;
gl_TexCoord[4].zw = gl_TexCoord[0].xy - dx;
}

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pixelshaders/Pixellate/fragment
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//Pixellate shader
//license: GPL
//author: Fes
uniform sampler2D rubyTexture;
uniform vec2 rubyTextureSize;
void main() {
vec2 texelSize = 1.0 / rubyTextureSize;
vec2 range;
range.x = dFdx(gl_TexCoord[0].x) / 2.0 * 0.99;
range.y = dFdy(gl_TexCoord[0].y) / 2.0 * 0.99;
float left = gl_TexCoord[0].x - range.x;
float top = gl_TexCoord[0].y + range.y;
float right = gl_TexCoord[0].x + range.x;
float bottom = gl_TexCoord[0].y - range.y;
vec4 topLeftColor = texture2D(rubyTexture, (floor(vec2(left, top) / texelSize) + 0.5) * texelSize);
vec4 bottomRightColor = texture2D(rubyTexture, (floor(vec2(right, bottom) / texelSize) + 0.5) * texelSize);
vec4 bottomLeftColor = texture2D(rubyTexture, (floor(vec2(left, bottom) / texelSize) + 0.5) * texelSize);
vec4 topRightColor = texture2D(rubyTexture, (floor(vec2(right, top) / texelSize) + 0.5) * texelSize);
vec2 border = clamp(round(gl_TexCoord[0] / texelSize) * texelSize, vec2(left, bottom), vec2(right, top));
float totalArea = 4.0 * range.x * range.y;
vec4 averageColor;
averageColor = ((border.x - left) * (top - border.y) / totalArea) * topLeftColor;
averageColor += ((right - border.x) * (border.y - bottom) / totalArea) * bottomRightColor;
averageColor += ((border.x - left) * (border.y - bottom) / totalArea) * bottomLeftColor;
averageColor += ((right - border.x) * (top - border.y) / totalArea) * topRightColor;
gl_FragColor = averageColor;
}

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pixelshaders/Pixellate/vertex
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//Pixellate shader
//license: GPL
//author: Fes
void main() {
gl_Position = ftransform();
gl_TexCoord[0] = gl_MultiTexCoord0;
}

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pixelshaders/Scale2x/fragment
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//Scale2x GLSL shader
//license: GPL
//original version by Pete Bernert
//ruby port by byuu
uniform sampler2D rubyTexture;
uniform vec2 rubyTextureSize;
void main() {
vec4 colD, colF, colB, colH, col, tmp;
vec2 sel;
col = texture2DProj(rubyTexture, gl_TexCoord[0]); //central (can be E0-E3)
colD = texture2DProj(rubyTexture, gl_TexCoord[1]); //D (left)
colF = texture2DProj(rubyTexture, gl_TexCoord[2]); //F (right)
colB = texture2DProj(rubyTexture, gl_TexCoord[3]); //B (top)
colH = texture2DProj(rubyTexture, gl_TexCoord[4]); //H (bottom)
sel = fract(gl_TexCoord[0].xy * rubyTextureSize.xy); //where are we (E0-E3)?
//E0 is default
if(sel.y >= 0.5) { tmp = colB; colB = colH; colH = tmp; } //E1 (or E3): swap B and H
if(sel.x >= 0.5) { tmp = colF; colF = colD; colD = tmp; } //E2 (or E3): swap D and F
if(colB == colD && colB != colF && colD != colH) { //do the Scale2x rule
col = colD;
}
gl_FragColor = col;
}

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pixelshaders/Scale2x/vertex
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//Scale2x GLSL shader
//license: GPL
//original version by Pete Bernert
//ruby port by byuu
uniform vec2 rubyTextureSize;
void main() {
vec4 offsetx;
vec4 offsety;
gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
offsetx.x = 1.0 / rubyTextureSize.x;
offsetx.y = 0.0;
offsetx.w = 0.0;
offsetx.z = 0.0;
offsety.y = 1.0 / rubyTextureSize.y;
offsety.x = 0.0;
offsety.w = 0.0;
offsety.z = 0.0;
gl_TexCoord[0] = gl_MultiTexCoord0; //center
gl_TexCoord[1] = gl_TexCoord[0] - offsetx; //left
gl_TexCoord[2] = gl_TexCoord[0] + offsetx; //right
gl_TexCoord[3] = gl_TexCoord[0] - offsety; //top
gl_TexCoord[4] = gl_TexCoord[0] + offsety; //bottom
}

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snesfilter.dll
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snesfilter/2xsai/2xsai.cpp
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//2xSaI / Super 2xSaI / Super Eagle filter
//authors: kode54 and Kreed
//license: GPL
#include "2xsai.hpp"
#include "implementation.cpp"
//=====
//2xSaI
//=====
void _2xSaIFilter::size(unsigned &outwidth, unsigned &outheight, unsigned width, unsigned height) {
outwidth = width;
outheight = height;
if(width <= 256 && height <= 240) {
outwidth *= 2;
outheight *= 2;
}
}
void _2xSaIFilter::render(
uint32_t *output, unsigned outpitch, const uint16_t *input, unsigned pitch,
const unsigned *line, unsigned width, unsigned height
) {
if(width > 256 || height > 240) {
filter_direct.render(output, outpitch, input, pitch, line, width, height);
return;
}
for(unsigned y = 0; y < height; y++) {
const uint16_t *line_in = (const uint16_t *) (((const uint8_t*)input) + pitch * y);
uint32_t *line_out = temp + y * 256;
for(unsigned x = 0; x < width; x++) {
line_out[x] = colortable[line_in[x]];
}
}
_2xSaI32( (unsigned char *) temp, 1024, 0, (unsigned char *) output, outpitch, width, height );
}
_2xSaIFilter::_2xSaIFilter() {
temp = new uint32_t[256*240];
}
_2xSaIFilter::~_2xSaIFilter() {
delete[] temp;
}
//===========
//Super 2xSaI
//===========
void Super2xSaIFilter::size(unsigned &outwidth, unsigned &outheight, unsigned width, unsigned height) {
outwidth = width;
outheight = height;
if(width <= 256 && height <= 240) {
outwidth *= 2;
outheight *= 2;
}
}
void Super2xSaIFilter::render(
uint32_t *output, unsigned outpitch, const uint16_t *input, unsigned pitch,
const unsigned *line, unsigned width, unsigned height
) {
if(width > 256 || height > 240) {
filter_direct.render(output, outpitch, input, pitch, line, width, height);
return;
}
for(unsigned y = 0; y < height; y++) {
const uint16_t *line_in = (const uint16_t *) (((const uint8_t*)input) + pitch * y);
uint32_t *line_out = temp + y * 256;
for(unsigned x = 0; x < width; x++) {
line_out[x] = colortable[line_in[x]];
}
}
Super2xSaI32( (unsigned char *) temp, 1024, 0, (unsigned char *) output, outpitch, width, height );
}
Super2xSaIFilter::Super2xSaIFilter() {
temp = new uint32_t[256*240];
}
Super2xSaIFilter::~Super2xSaIFilter() {
delete[] temp;
}
//===========
//Super Eagle
//===========
void SuperEagleFilter::size(unsigned &outwidth, unsigned &outheight, unsigned width, unsigned height) {
outwidth = width;
outheight = height;
if(width <= 256 && height <= 240) {
outwidth *= 2;
outheight *= 2;
}
}
void SuperEagleFilter::render(
uint32_t *output, unsigned outpitch, const uint16_t *input, unsigned pitch,
const unsigned *line, unsigned width, unsigned height
) {
if(width > 256 || height > 240) {
filter_direct.render(output, outpitch, input, pitch, line, width, height);
return;
}
for(unsigned y = 0; y < height; y++) {
const uint16_t *line_in = (const uint16_t *) (((const uint8_t*)input) + pitch * y);
uint32_t *line_out = temp + y * 256;
for(unsigned x = 0; x < width; x++) {
line_out[x] = colortable[line_in[x]];
}
}
SuperEagle32( (unsigned char *) temp, 1024, 0, (unsigned char *) output, outpitch, width, height );
}
SuperEagleFilter::SuperEagleFilter() {
temp = new uint32_t[256*240];
}
SuperEagleFilter::~SuperEagleFilter() {
delete[] temp;
}

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snesfilter/2xsai/2xsai.hpp
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class _2xSaIFilter {
public:
void size(unsigned&, unsigned&, unsigned, unsigned);
void render(uint32_t*, unsigned, const uint16_t*, unsigned, const unsigned*, unsigned, unsigned);
_2xSaIFilter();
~_2xSaIFilter();
private:
uint32_t *temp;
} filter_2xsai;
class Super2xSaIFilter {
public:
void size(unsigned&, unsigned&, unsigned, unsigned);
void render(uint32_t*, unsigned, const uint16_t*, unsigned, const unsigned*, unsigned, unsigned);
Super2xSaIFilter();
~Super2xSaIFilter();
private:
uint32_t *temp;
} filter_super2xsai;
class SuperEagleFilter {
public:
void size(unsigned&, unsigned&, unsigned, unsigned);
void render(uint32_t*, unsigned, const uint16_t*, unsigned, const unsigned*, unsigned, unsigned);
SuperEagleFilter();
~SuperEagleFilter();
private:
uint32_t *temp;
} filter_supereagle;

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snesfilter/2xsai/implementation.cpp
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snesfilter/Makefile
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include nall/Makefile
qtlibs := QtCore QtGui
include nall/qt/Makefile
c := $(compiler) -std=gnu99
cpp := $(subst cc,++,$(compiler)) -std=gnu++0x
flags := -O3 -I. -Iobj -fomit-frame-pointer $(qtinc)
link :=
ifeq ($(platform),x)
flags := -fPIC -fopenmp $(flags)
link += -s -fopenmp -lpthread -lgomp
else ifeq ($(platform),osx)
flags := -fPIC -fopenmp $(flags)
link += -fopenmp -lpthread -lgomp
else ifeq ($(platform),win)
flags := -fopenmp $(flags)
link += -fopenmp -lpthread
endif
objects := snesfilter
compile = \
$(strip \
$(if $(filter %.c,$<), \
$(c) $(flags) $1 -c $< -o $@, \
$(if $(filter %.cpp,$<), \
$(cpp) $(flags) $1 -c $< -o $@ \
) \
) \
)
%.o: $<; $(call compile)
all: build;
objects := $(patsubst %,obj/%.o,$(objects))
moc_headers := $(call rwildcard,./,%.moc.hpp)
moc_objects := $(foreach f,$(moc_headers),obj/$(notdir $(patsubst %.moc.hpp,%.moc,$f)))
# automatically run moc on all .moc.hpp (MOC header) files
%.moc: $<; $(moc) -i $< -o $@
# automatically generate %.moc build rules
__list = $(moc_headers)
$(foreach f,$(moc_objects), \
$(eval __file = $(word 1,$(__list))) \
$(eval __list = $(wordlist 2,$(words $(__list)),$(__list))) \
$(eval $f: $(__file)) \
)
##################
### snesfilter ###
##################
obj/snesfilter.o: snesfilter.cpp *
###############
### targets ###
###############
build: $(moc_objects) $(objects)
ifeq ($(platform),x)
ar rcs libsnesfilter.a $(objects)
$(cpp) $(link) -o libsnesfilter.so -shared -Wl,-soname,libsnesfilter.so.1 $(objects) $(qtlib)
else ifeq ($(platform),osx)
ar rcs libsnesfilter.a $(objects)
$(cpp) $(link) -o libsnesfilter.dylib -shared -dynamiclib $(objects) $(qtlib)
else ifeq ($(platform),win)
$(cpp) $(link) -o snesfilter.dll -shared -Wl,--out-implib,libsnesfilter.a $(objects) $(qtlib)
endif
install:
ifeq ($(platform),x)
install -D -m 755 libsnesfilter.a $(DESTDIR)$(prefix)/lib
install -D -m 755 libsnesfilter.so $(DESTDIR)$(prefix)/lib
ldconfig -n $(DESTDIR)$(prefix)/lib
else ifeq ($(platform),osx)
cp libsnesfilter.dylib /usr/local/lib/libsnesfilter.dylib
endif
clean:
-@$(call delete,obj/*.o)
-@$(call delete,obj/*.moc)
-@$(call delete,libsnesfilter.a)
-@$(call delete,libsnesfilter.so)
-@$(call delete,libsnesfilter.dylib)
-@$(call delete,snesfilter.dll)

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snesfilter/cc.bat
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@mingw32-make
@pause

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snesfilter/clean.bat
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@mingw32-make clean

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snesfilter/direct/direct.cpp
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#include "direct.hpp"
void DirectFilter::size(unsigned &outwidth, unsigned &outheight, unsigned width, unsigned height) {
outwidth = width;
outheight = height;
}
void DirectFilter::render(
uint32_t *output, unsigned outpitch, const uint16_t *input, unsigned pitch,
const unsigned *line, unsigned width, unsigned height
) {
pitch >>= 1;
outpitch >>= 2;
for(unsigned y = 0; y < height; y++) {
if(width == 512 && line[y] == 256) {
for(unsigned x = 0; x < 256; x++) {
uint16_t p = *input++;
*output++ = colortable[p];
*output++ = colortable[p];
}
input += 256;
} else {
for(unsigned x = 0; x < width; x++) {
uint16_t p = *input++;
*output++ = colortable[p];
}
}
input += pitch - width;
output += outpitch - width;
}
}

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snesfilter/direct/direct.hpp
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class DirectFilter {
public:
void size(unsigned&, unsigned&, unsigned, unsigned);
void render(uint32_t*, unsigned, const uint16_t*, unsigned, const unsigned*, unsigned, unsigned);
} filter_direct;

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snesfilter/hq2x/hq2x.cpp
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//HQ2x filter
//authors: byuu and blargg
//license: public domain
//
//note: this is a clean reimplementation of the original HQ2x filter, which was
//written by Maxim Stepin (MaxSt). it is not 100% identical, but very similar.
#include "hq2x.hpp"
void HQ2xFilter::size(unsigned &outwidth, unsigned &outheight, unsigned width, unsigned height) {
if(height > 240) return filter_direct.size(outwidth, outheight, width, height);
outwidth = (width <= 256) ? width * 2 : width;
outheight = (height <= 240) ? height * 2 : height;
}
void HQ2xFilter::render(
uint32_t *output, unsigned outpitch, const uint16_t *input, unsigned pitch,
const unsigned *line, unsigned width, unsigned height
) {
if(height > 240) {
filter_direct.render(output, outpitch, input, pitch, line, width, height);
return;
}
pitch >>= 1;
outpitch >>= 2;
#pragma omp parallel for
for(unsigned y = 0; y < height; y++) {
const uint16_t *in = input + y * pitch;
uint32_t *out0 = output + y * pitch;
uint32_t *out1 = output + y * pitch + outpitch;
unsigned linewidth = line[y];
if(linewidth == 256) {
int prevline = (y == 0) || (linewidth != line[y - 1]) ? 0 : pitch;
int nextline = (y == height - 1) || (linewidth != line[y + 1]) ? 0 : pitch;
in++;
*out0++ = 0; *out0++ = 0;
*out1++ = 0; *out1++ = 0;
for(unsigned x = 1; x < 256 - 1; x++) {
uint16_t A = *(in - prevline - 1);
uint16_t B = *(in - prevline + 0);
uint16_t C = *(in - prevline + 1);
uint16_t D = *(in - 1);
uint16_t E = *(in + 0);
uint16_t F = *(in + 1);
uint16_t G = *(in + nextline - 1);
uint16_t H = *(in + nextline + 0);
uint16_t I = *(in + nextline + 1);
uint32_t e = yuvTable[E] + diff_offset;
uint8_t pattern;
pattern = diff(e, A) << 0;
pattern |= diff(e, B) << 1;
pattern |= diff(e, C) << 2;
pattern |= diff(e, D) << 3;
pattern |= diff(e, F) << 4;
pattern |= diff(e, G) << 5;
pattern |= diff(e, H) << 6;
pattern |= diff(e, I) << 7;
*(out0 + 0) = colortable[blend(hqTable[pattern], E, A, B, D, F, H)]; pattern = rotate[pattern];
*(out0 + 1) = colortable[blend(hqTable[pattern], E, C, F, B, H, D)]; pattern = rotate[pattern];
*(out1 + 1) = colortable[blend(hqTable[pattern], E, I, H, F, D, B)]; pattern = rotate[pattern];
*(out1 + 0) = colortable[blend(hqTable[pattern], E, G, D, H, B, F)];
in++;
out0 += 2;
out1 += 2;
}
in++;
*out0++ = 0; *out0++ = 0;
*out1++ = 0; *out1++ = 0;
} else {
for(unsigned x = 0; x < 512; x++) {
*out0++ = *out1++ = colortable[*in++];
}
}
}
}
HQ2xFilter::HQ2xFilter() {
yuvTable = new uint32_t[32768];
for(unsigned i = 0; i < 32768; i++) {
uint8_t R = (i >> 0) & 31;
uint8_t G = (i >> 5) & 31;
uint8_t B = (i >> 10) & 31;
//bgr555->bgr888
double r = (R << 3) | (R >> 2);
double g = (G << 3) | (G >> 2);
double b = (B << 3) | (B >> 2);
//bgr888->yuv888
double y = (r + g + b) * (0.25f * (63.5f / 48.0f));
double u = ((r - b) * 0.25f + 128.0f) * (7.5f / 7.0f);
double v = ((g * 2.0f - r - b) * 0.125f + 128.0f) * (7.5f / 6.0f);
yuvTable[i] = ((unsigned)y << 21) + ((unsigned)u << 11) + ((unsigned)v);
}
for(unsigned n = 0; n < 256; n++) {
rotate[n] = ((n >> 2) & 0x11) | ((n << 2) & 0x88)
| ((n & 0x01) << 5) | ((n & 0x08) << 3)
| ((n & 0x10) >> 3) | ((n & 0x80) >> 5);
}
}
HQ2xFilter::~HQ2xFilter() {
delete[] yuvTable;
}
bool HQ2xFilter::same(uint16_t x, uint16_t y) {
return !((yuvTable[x] - yuvTable[y] + diff_offset) & diff_mask);
}
bool HQ2xFilter::diff(uint32_t x, uint16_t y) {
return ((x - yuvTable[y]) & diff_mask);
}
void HQ2xFilter::grow(uint32_t &n) { n |= n << 16; n &= 0x03e07c1f; }
uint16_t HQ2xFilter::pack(uint32_t n) { n &= 0x03e07c1f; return n | (n >> 16); }
uint16_t HQ2xFilter::blend1(uint32_t A, uint32_t B) {
grow(A); grow(B);
A = (A * 3 + B) >> 2;
return pack(A);
}
uint16_t HQ2xFilter::blend2(uint32_t A, uint32_t B, uint32_t C) {
grow(A); grow(B); grow(C);
return pack((A * 2 + B + C) >> 2);
}
uint16_t HQ2xFilter::blend3(uint32_t A, uint32_t B, uint32_t C) {
grow(A); grow(B); grow(C);
return pack((A * 5 + B * 2 + C) >> 3);
}
uint16_t HQ2xFilter::blend4(uint32_t A, uint32_t B, uint32_t C) {
grow(A); grow(B); grow(C);
return pack((A * 6 + B + C) >> 3);
}
uint16_t HQ2xFilter::blend5(uint32_t A, uint32_t B, uint32_t C) {
grow(A); grow(B); grow(C);
return pack((A * 2 + (B + C) * 3) >> 3);
}
uint16_t HQ2xFilter::blend6(uint32_t A, uint32_t B, uint32_t C) {
grow(A); grow(B); grow(C);
return pack((A * 14 + B + C) >> 4);
}
uint16_t HQ2xFilter::blend(unsigned rule, uint16_t E, uint16_t A, uint16_t B, uint16_t D, uint16_t F, uint16_t H) {
switch(rule) { default:
case 0: return E;
case 1: return blend1(E, A);
case 2: return blend1(E, D);
case 3: return blend1(E, B);
case 4: return blend2(E, D, B);
case 5: return blend2(E, A, B);
case 6: return blend2(E, A, D);
case 7: return blend3(E, B, D);
case 8: return blend3(E, D, B);
case 9: return blend4(E, D, B);
case 10: return blend5(E, D, B);
case 11: return blend6(E, D, B);
case 12: return same(B, D) ? blend2(E, D, B) : E;
case 13: return same(B, D) ? blend5(E, D, B) : E;
case 14: return same(B, D) ? blend6(E, D, B) : E;
case 15: return same(B, D) ? blend2(E, D, B) : blend1(E, A);
case 16: return same(B, D) ? blend4(E, D, B) : blend1(E, A);
case 17: return same(B, D) ? blend5(E, D, B) : blend1(E, A);
case 18: return same(B, F) ? blend3(E, B, D) : blend1(E, D);
case 19: return same(D, H) ? blend3(E, D, B) : blend1(E, B);
}
}
const uint8_t HQ2xFilter::hqTable[256] = {
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 15, 12, 5, 3, 17, 13,
4, 4, 6, 18, 4, 4, 6, 18, 5, 3, 12, 12, 5, 3, 1, 12,
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 17, 13, 5, 3, 16, 14,
4, 4, 6, 18, 4, 4, 6, 18, 5, 3, 16, 12, 5, 3, 1, 14,
4, 4, 6, 2, 4, 4, 6, 2, 5, 19, 12, 12, 5, 19, 16, 12,
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 16, 12, 5, 3, 16, 12,
4, 4, 6, 2, 4, 4, 6, 2, 5, 19, 1, 12, 5, 19, 1, 14,
4, 4, 6, 2, 4, 4, 6, 18, 5, 3, 16, 12, 5, 19, 1, 14,
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 15, 12, 5, 3, 17, 13,
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 16, 12, 5, 3, 16, 12,
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 17, 13, 5, 3, 16, 14,
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 16, 13, 5, 3, 1, 14,
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 16, 12, 5, 3, 16, 13,
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 16, 12, 5, 3, 1, 12,
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 16, 12, 5, 3, 1, 14,
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 1, 12, 5, 3, 1, 14,
};

30
snesfilter/hq2x/hq2x.hpp
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@ -1,30 +0,0 @@
class HQ2xFilter {
public:
void size(unsigned&, unsigned&, unsigned, unsigned);
void render(uint32_t*, unsigned, const uint16_t*, unsigned, const unsigned*, unsigned, unsigned);
HQ2xFilter();
~HQ2xFilter();
private:
enum {
diff_offset = (0x440 << 21) + (0x207 << 11) + 0x407,
diff_mask = (0x380 << 21) + (0x1f0 << 11) + 0x3f0,
};
static const uint8_t hqTable[256];
uint32_t *yuvTable;
uint8_t rotate[256];
alwaysinline bool same(uint16_t x, uint16_t y);
alwaysinline bool diff(uint32_t x, uint16_t y);
alwaysinline void grow(uint32_t &n);
alwaysinline uint16_t pack(uint32_t n);
alwaysinline uint16_t blend1(uint32_t A, uint32_t B);
alwaysinline uint16_t blend2(uint32_t A, uint32_t B, uint32_t C);
alwaysinline uint16_t blend3(uint32_t A, uint32_t B, uint32_t C);
alwaysinline uint16_t blend4(uint32_t A, uint32_t B, uint32_t C);
alwaysinline uint16_t blend5(uint32_t A, uint32_t B, uint32_t C);
alwaysinline uint16_t blend6(uint32_t A, uint32_t B, uint32_t C);
alwaysinline uint16_t blend(unsigned rule, uint16_t E, uint16_t A, uint16_t B, uint16_t D, uint16_t F, uint16_t H);
} filter_hq2x;

61
snesfilter/lq2x/lq2x.cpp
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#include "lq2x.hpp"
void LQ2xFilter::size(unsigned &outwidth, unsigned &outheight, unsigned width, unsigned height) {
if(height > 240) return filter_direct.size(outwidth, outheight, width, height);
outwidth = (width <= 256) ? width * 2 : width;
outheight = (height <= 240) ? height * 2 : height;
}
void LQ2xFilter::render(
uint32_t *output, unsigned outpitch, const uint16_t *input, unsigned pitch,
const unsigned *line, unsigned width, unsigned height
) {
if(height > 240) {
filter_direct.render(output, outpitch, input, pitch, line, width, height);
return;
}
pitch >>= 1;
outpitch >>= 2;
uint32_t *out0 = output;
uint32_t *out1 = output + outpitch;
for(unsigned y = 0; y < height; y++) {
unsigned linewidth = line[y];
if(linewidth == 256) {
int prevline = (y == 0) || (linewidth != line[y - 1]) ? 0 : pitch;
int nextline = (y == height - 1) || (linewidth != line[y + 1]) ? 0 : pitch;
for(unsigned x = 0; x < 256; x++) {
uint16_t A = *(input - prevline);
uint16_t B = (x > 0) ? *(input - 1) : *input;
uint16_t C = *input;
uint16_t D = (x < 255) ? *(input + 1) : *input;
uint16_t E = *(input++ + nextline);
uint32_t c = colortable[C];
if(A != E && B != D) {
*out0++ = (A == B ? colortable[C + A - ((C ^ A) & 0x0421) >> 1] : c);
*out0++ = (A == D ? colortable[C + A - ((C ^ A) & 0x0421) >> 1] : c);
*out1++ = (E == B ? colortable[C + E - ((C ^ E) & 0x0421) >> 1] : c);
*out1++ = (E == D ? colortable[C + E - ((C ^ E) & 0x0421) >> 1] : c);
} else {
*out0++ = c;
*out0++ = c;
*out1++ = c;
*out1++ = c;
}
}
} else {
for(unsigned x = 0; x < 512; x++) {
*out0++ = *out1++ = colortable[*input++];
}
}
input += pitch - linewidth;
out0 += outpitch + outpitch - 512;
out1 += outpitch + outpitch - 512;
}
}

5
snesfilter/lq2x/lq2x.hpp
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@ -1,5 +0,0 @@
class LQ2xFilter {
public:
void size(unsigned&, unsigned&, unsigned, unsigned);
void render(uint32_t*, unsigned, const uint16_t*, unsigned, const unsigned*, unsigned, unsigned);
} filter_lq2x;

107
snesfilter/nall/Makefile
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@ -1,107 +0,0 @@
# Makefile
# author: byuu
# license: public domain
[A-Z] = A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
[a-z] = a b c d e f g h i j k l m n o p q r s t u v w x y z
[0-9] = 0 1 2 3 4 5 6 7 8 9
[markup] = ` ~ ! @ \# $$ % ^ & * ( ) - _ = + [ { ] } \ | ; : ' " , < . > / ?
[all] = $([A-Z]) $([a-z]) $([0-9]) $([markup])
[space] :=
[space] +=
#####
# platform detection
#####
ifeq ($(platform),)
uname := $(shell uname -a)
ifeq ($(uname),)
platform := win
delete = del $(subst /,\,$1)
else ifneq ($(findstring Darwin,$(uname)),)
platform := osx
delete = rm -f $1
else
platform := x
delete = rm -f $1
endif
endif
ifeq ($(compiler),)
ifeq ($(platform),osx)
compiler := gcc-4.2
else
compiler := gcc
endif
endif
ifeq ($(prefix),)
prefix := /usr/local
endif
#####
# function rwildcard(directory, pattern)
#####
rwildcard = \
$(strip \
$(filter $(if $2,$2,%), \
$(foreach f, \
$(wildcard $1*), \
$(eval t = $(call rwildcard,$f/)) \
$(if $t,$t,$f) \
) \
) \
)
#####
# function strtr(source, from, to)
#####
strtr = \
$(eval __temp := $1) \
$(strip \
$(foreach c, \
$(join $(addsuffix :,$2),$3), \
$(eval __temp := \
$(subst $(word 1,$(subst :, ,$c)),$(word 2,$(subst :, ,$c)),$(__temp)) \
) \
) \
$(__temp) \
)
#####
# function strupper(source)
#####
strupper = $(call strtr,$1,$([a-z]),$([A-Z]))
#####
# function strlower(source)
#####
strlower = $(call strtr,$1,$([A-Z]),$([a-z]))
#####
# function strlen(source)
#####
strlen = \
$(eval __temp := $(subst $([space]),_,$1)) \
$(words \
$(strip \
$(foreach c, \
$([all]), \
$(eval __temp := \
$(subst $c,$c ,$(__temp)) \
) \
) \
$(__temp) \
) \
)
#####
# function streq(source)
#####
streq = $(if $(filter-out xx,x$(subst $1,,$2)$(subst $2,,$1)x),,1)
#####
# function strne(source)
#####
strne = $(if $(filter-out xx,x$(subst $1,,$2)$(subst $2,,$1)x),1,)

23
snesfilter/nall/algorithm.hpp
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@ -1,23 +0,0 @@
#ifndef NALL_ALGORITHM_HPP
#define NALL_ALGORITHM_HPP
#undef min
#undef max
namespace nall {
template<typename T, typename U> T min(const T &t, const U &u) {
return t < u ? t : u;
}
template<typename T, typename U> T max(const T &t, const U &u) {
return t > u ? t : u;
}
//pseudo-random number generator
inline unsigned prng() {
static unsigned n = 0;
return n = (n >> 1) ^ (((n & 1) - 1) & 0xedb88320);
}
}
#endif

74
snesfilter/nall/any.hpp
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@ -1,74 +0,0 @@
#ifndef NALL_ANY_HPP
#define NALL_ANY_HPP
#include <typeinfo>
#include <nall/static.hpp>
#include <nall/traits.hpp>
namespace nall {
class any {
public:
bool empty() const { return container; }
const std::type_info& type() const { return container ? container->type() : typeid(void); }
template<typename T> any& operator=(const T& value_) {
typedef typename static_if<
is_array<T>::value,
typename remove_extent<typename add_const<T>::type>::type*,
T
>::type auto_t;
if(type() == typeid(auto_t)) {
static_cast<holder<auto_t>*>(container)->value = (auto_t)value_;
} else {
if(container) delete container;
container = new holder<auto_t>((auto_t)value_);
}
return *this;
}
any() : container(0) {}
template<typename T> any(const T& value_) : container(0) { operator=(value_); }
private:
struct placeholder {
virtual const std::type_info& type() const = 0;
} *container;
template<typename T> struct holder : placeholder {
T value;
const std::type_info& type() const { return typeid(T); }
holder(const T& value_) : value(value_) {}
};
template<typename T> friend T any_cast(any&);
template<typename T> friend T any_cast(const any&);
template<typename T> friend T* any_cast(any*);
template<typename T> friend const T* any_cast(const any*);
};
template<typename T> T any_cast(any &value) {
typedef typename remove_reference<T>::type nonref;
if(value.type() != typeid(nonref)) throw;
return static_cast<any::holder<nonref>*>(value.container)->value;
}
template<typename T> T any_cast(const any &value) {
typedef const typename remove_reference<T>::type nonref;
if(value.type() != typeid(nonref)) throw;
return static_cast<any::holder<nonref>*>(value.container)->value;
}
template<typename T> T* any_cast(any *value) {
if(!value || value->type() != typeid(T)) return 0;
return &static_cast<any::holder<T>*>(value->container)->value;
}
template<typename T> const T* any_cast(const any *value) {
if(!value || value->type() != typeid(T)) return 0;
return &static_cast<any::holder<T>*>(value->container)->value;
}
}
#endif

118
snesfilter/nall/array.hpp
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#ifndef NALL_ARRAY_HPP
#define NALL_ARRAY_HPP
#include <stdlib.h>
#include <initializer_list>
#include <nall/algorithm.hpp>
#include <nall/bit.hpp>
#include <nall/concept.hpp>
#include <nall/traits.hpp>
namespace nall {
//dynamic vector array
//neither constructor nor destructor is ever invoked;
//thus, this should only be used for POD objects.
template<typename T> class array {
protected:
T *pool;
unsigned poolsize, buffersize;
public:
unsigned size() const { return buffersize; }
unsigned capacity() const { return poolsize; }
void reset() {
if(pool) free(pool);
pool = 0;
poolsize = 0;
buffersize = 0;
}
void reserve(unsigned newsize) {
if(newsize == poolsize) return;
pool = (T*)realloc(pool, newsize * sizeof(T));
poolsize = newsize;
buffersize = min(buffersize, newsize);
}
void resize(unsigned newsize) {
if(newsize > poolsize) reserve(bit::round(newsize)); //round reserve size up to power of 2
buffersize = newsize;
}
T* get(unsigned minsize = 0) {
if(minsize > buffersize) resize(minsize);
if(minsize > buffersize) throw "array[] out of bounds";
return pool;
}
void add(const T data) {
operator[](buffersize) = data;
}
signed find(const T data) {
for(unsigned i = 0; i < size(); i++) if(pool[i] == data) return i;
return -1; //not found
}
void clear() {
memset(pool, 0, buffersize * sizeof(T));
}
array() : pool(0), poolsize(0), buffersize(0) {
}
array(std::initializer_list<T> list) : pool(0), poolsize(0), buffersize(0) {
for(const T *p = list.begin(); p != list.end(); ++p) add(*p);
}
~array() {
reset();
}
//copy
array& operator=(const array &source) {
if(pool) free(pool);
buffersize = source.buffersize;
poolsize = source.poolsize;
pool = (T*)malloc(sizeof(T) * poolsize); //allocate entire pool size,
memcpy(pool, source.pool, sizeof(T) * buffersize); //... but only copy used pool objects
return *this;
}
array(const array &source) : pool(0) {
operator=(source);
}
//move
array& operator=(array &&source) {
if(pool) free(pool);
pool = source.pool;
poolsize = source.poolsize;
buffersize = source.buffersize;
source.pool = 0;
return *this;
}
array(array &&source) {
operator=(move(source));
}
//index
inline T& operator[](unsigned index) {
if(index >= buffersize) resize(index + 1);
if(index >= buffersize) throw "array[] out of bounds";
return pool[index];
}
inline const T& operator[](unsigned index) const {
if(index >= buffersize) throw "array[] out of bounds";
return pool[index];
}
};
template<typename T> struct has_size<array<T>> { enum { value = true }; };
}
#endif

90
snesfilter/nall/base64.hpp
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@ -1,90 +0,0 @@
#ifndef NALL_BASE64_HPP
#define NALL_BASE64_HPP
#include <string.h>
#include <nall/stdint.hpp>
namespace nall {
class base64 {
public:
static bool encode(char *&output, const uint8_t* input, unsigned inlength) {
output = new char[inlength * 8 / 6 + 6]();
unsigned i = 0, o = 0;
while(i < inlength) {
switch(i % 3) {
case 0: {
output[o++] = enc(input[i] >> 2);
output[o] = enc((input[i] & 3) << 4);
} break;
case 1: {
uint8_t prev = dec(output[o]);
output[o++] = enc(prev + (input[i] >> 4));
output[o] = enc((input[i] & 15) << 2);
} break;
case 2: {
uint8_t prev = dec(output[o]);
output[o++] = enc(prev + (input[i] >> 6));
output[o++] = enc(input[i] & 63);
} break;
}
i++;
}
return true;
}
static bool decode(uint8_t *&output, unsigned &outlength, const char *input) {
unsigned inlength = strlen(input), infix = 0;
output = new uint8_t[inlength]();
unsigned i = 0, o = 0;
while(i < inlength) {
uint8_t x = dec(input[i]);
switch(i++ & 3) {
case 0: {
output[o] = x << 2;
} break;
case 1: {
output[o++] |= x >> 4;
output[o] = (x & 15) << 4;
} break;
case 2: {
output[o++] |= x >> 2;
output[o] = (x & 3) << 6;
} break;
case 3: {
output[o++] |= x;
} break;
}
}
outlength = o;
return true;
}
private:
static char enc(uint8_t n) {
static char lookup_table[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
return lookup_table[n & 63];
}
static uint8_t dec(char n) {
if(n >= 'A' && n <= 'Z') return n - 'A';
if(n >= 'a' && n <= 'z') return n - 'a' + 26;
if(n >= '0' && n <= '9') return n - '0' + 52;
if(n == '-') return 62;
if(n == '_') return 63;
return 0;
}
};
}
#endif

51
snesfilter/nall/bit.hpp
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@ -1,51 +0,0 @@
#ifndef NALL_BIT_HPP
#define NALL_BIT_HPP
namespace nall {
template<int bits> inline unsigned uclamp(const unsigned x) {
enum { y = (1U << bits) - 1 };
return y + ((x - y) & -(x < y)); //min(x, y);
}
template<int bits> inline unsigned uclip(const unsigned x) {
enum { m = (1U << bits) - 1 };
return (x & m);
}
template<int bits> inline signed sclamp(const signed x) {
enum { b = 1U << (bits - 1), m = (1U << (bits - 1)) - 1 };
return (x > m) ? m : (x < -b) ? -b : x;
}
template<int bits> inline signed sclip(const signed x) {
enum { b = 1U << (bits - 1), m = (1U << bits) - 1 };
return ((x & m) ^ b) - b;
}
namespace bit {
//lowest(0b1110) == 0b0010
template<typename T> inline T lowest(const T x) {
return x & -x;
}
//clear_lowest(0b1110) == 0b1100
template<typename T> inline T clear_lowest(const T x) {
return x & (x - 1);
}
//set_lowest(0b0101) == 0b0111
template<typename T> inline T set_lowest(const T x) {
return x | (x + 1);
}
//round up to next highest single bit:
//round(15) == 16, round(16) == 16, round(17) == 32
inline unsigned round(unsigned x) {
if((x & (x - 1)) == 0) return x;
while(x & (x - 1)) x &= x - 1;
return x << 1;
}
}
}
#endif

15
snesfilter/nall/concept.hpp
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@ -1,15 +0,0 @@
#ifndef NALL_CONCEPT_HPP
#define NALL_CONCEPT_HPP
namespace nall {
//unsigned count() const;
template<typename T> struct has_count { enum { value = false }; };
//unsigned length() const;
template<typename T> struct has_length { enum { value = false }; };
//unsigned size() const;
template<typename T> struct has_size { enum { value = false }; };
}
#endif

124
snesfilter/nall/config.hpp
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#ifndef NALL_CONFIG_HPP
#define NALL_CONFIG_HPP
#include <nall/file.hpp>
#include <nall/string.hpp>
#include <nall/vector.hpp>
namespace nall {
namespace configuration_traits {
template<typename T> struct is_boolean { enum { value = false }; };
template<> struct is_boolean<bool> { enum { value = true }; };
template<typename T> struct is_signed { enum { value = false }; };
template<> struct is_signed<signed> { enum { value = true }; };
template<typename T> struct is_unsigned { enum { value = false }; };
template<> struct is_unsigned<unsigned> { enum { value = true }; };
template<typename T> struct is_double { enum { value = false }; };
template<> struct is_double<double> { enum { value = true }; };
template<typename T> struct is_string { enum { value = false }; };
template<> struct is_string<string> { enum { value = true }; };
}
class configuration {
public:
enum type_t { boolean_t, signed_t, unsigned_t, double_t, string_t, unknown_t };
struct item_t {
uintptr_t data;
string name;
string desc;
type_t type;
string get() const {
switch(type) {
case boolean_t: return string() << *(bool*)data;
case signed_t: return string() << *(signed*)data;
case unsigned_t: return string() << *(unsigned*)data;
case double_t: return string() << *(double*)data;
case string_t: return string() << "\"" << *(string*)data << "\"";
}
return "???";
}
void set(string s) {
switch(type) {
case boolean_t: *(bool*)data = (s == "true"); break;
case signed_t: *(signed*)data = strsigned(s); break;
case unsigned_t: *(unsigned*)data = strunsigned(s); break;
case double_t: *(double*)data = strdouble(s); break;
case string_t: trim(s, "\""); *(string*)data = s; break;
}
}
};
linear_vector<item_t> list;
template<typename T>
void attach(T &data, const char *name, const char *desc = "") {
unsigned n = list.size();
list[n].data = (uintptr_t)&data;
list[n].name = name;
list[n].desc = desc;
if(configuration_traits::is_boolean<T>::value) list[n].type = boolean_t;
else if(configuration_traits::is_signed<T>::value) list[n].type = signed_t;
else if(configuration_traits::is_unsigned<T>::value) list[n].type = unsigned_t;
else if(configuration_traits::is_double<T>::value) list[n].type = double_t;
else if(configuration_traits::is_string<T>::value) list[n].type = string_t;
else list[n].type = unknown_t;
}
virtual bool load(const char *filename) {
string data;
if(data.readfile(filename) == true) {
data.replace("\r", "");
lstring line;
line.split("\n", data);
for(unsigned i = 0; i < line.size(); i++) {
int position = qstrpos(line[i], "#");
if(position >= 0) line[i][position] = 0;
if(qstrpos(line[i], " = ") < 0) continue;
lstring part;
part.qsplit(" = ", line[i]);
trim(part[0]);
trim(part[1]);
for(unsigned n = 0; n < list.size(); n++) {
if(part[0] == list[n].name) {
list[n].set(part[1]);
break;
}
}
}
return true;
} else {
return false;
}
}
virtual bool save(const char *filename) const {
file fp;
if(fp.open(filename, file::mode_write)) {
for(unsigned i = 0; i < list.size(); i++) {
string output;
output << list[i].name << " = " << list[i].get();
if(list[i].desc != "") output << " # " << list[i].desc;
output << "\r\n";
fp.print(output);
}
fp.close();
return true;
} else {
return false;
}
}
};
}
#endif

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snesfilter/nall/crc32.hpp
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#ifndef NALL_CRC32_HPP
#define NALL_CRC32_HPP
#include <nall/stdint.hpp>
namespace nall {
const uint32_t crc32_table[256] = {
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
};
inline uint32_t crc32_adjust(uint32_t crc32, uint8_t input) {
return ((crc32 >> 8) & 0x00ffffff) ^ crc32_table[(crc32 ^ input) & 0xff];
}
inline uint32_t crc32_calculate(const uint8_t *data, unsigned length) {
uint32_t crc32 = ~0;
for(unsigned i = 0; i < length; i++) {
crc32 = crc32_adjust(crc32, data[i]);
}
return ~crc32;
}
}
#endif

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snesfilter/nall/detect.hpp
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#ifndef NALL_DETECT_HPP
#define NALL_DETECT_HPP
/* Compiler detection */
#if defined(__GNUC__)
#define COMPILER_GCC
#elif defined(_MSC_VER)
#define COMPILER_VISUALC
#endif
/* Platform detection */
#if defined(_WIN32)
#define PLATFORM_WIN
#elif defined(__APPLE__)
#define PLATFORM_OSX
#elif defined(linux) || defined(__sun__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
#define PLATFORM_X
#endif
/* Endian detection */
#if defined(__i386__) || defined(__amd64__) || defined(_M_IX86) || defined(_M_AMD64)
#define ARCH_LSB
#elif defined(__powerpc__) || defined(_M_PPC) || defined(__BIG_ENDIAN__)
#define ARCH_MSB
#endif
#endif

76
snesfilter/nall/dictionary.hpp
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#ifndef NALL_DICTIONARY_HPP
#define NALL_DICTIONARY_HPP
#include <nall/array.hpp>
#include <nall/string.hpp>
#include <nall/utility.hpp>
namespace nall {
class dictionary {
public:
string operator[](const char *input) {
for(unsigned i = 0; i < index_input.size(); i++) {
if(index_input[i] == input) return index_output[i];
}
//no match, use input; remove input identifier, if one exists
if(strbegin(input, "{{")) {
int pos = strpos(input, "}}");
if(pos >= 0) {
string temp = substr(input, pos + 2);
return temp;
}
}
return input;
}
bool import(const char *filename) {
string data;
if(data.readfile(filename) == false) return false;
ltrim_once(data, "\xef\xbb\xbf"); //remove UTF-8 marker, if it exists
data.replace("\r", "");
lstring line;
line.split("\n", data);
for(unsigned i = 0; i < line.size(); i++) {
lstring part;
//format: "Input" = "Output"
part.qsplit("=", line[i]);
if(part.size() != 2) continue;
//remove whitespace
trim(part[0]);
trim(part[1]);
//remove quotes
trim_once(part[0], "\"");
trim_once(part[1], "\"");
unsigned n = index_input.size();
index_input[n] = part[0];
index_output[n] = part[1];
}
return true;
}
void reset() {
index_input.reset();
index_output.reset();
}
~dictionary() {
reset();
}
dictionary& operator=(const dictionary&) = delete;
dictionary(const dictionary&) = delete;
protected:
lstring index_input;
lstring index_output;
};
}
#endif

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snesfilter/nall/dl.hpp
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#ifndef NALL_DL_HPP
#define NALL_DL_HPP
//dynamic linking support
#include <string.h>
#include <nall/detect.hpp>
#include <nall/stdint.hpp>
#include <nall/utility.hpp>
#if defined(PLATFORM_X) || defined(PLATFORM_OSX)
#include <dlfcn.h>
#elif defined(PLATFORM_WIN)
#include <windows.h>
#include <nall/utf8.hpp>
#endif
namespace nall {
struct library {
bool opened() const { return handle; }
bool open(const char*);
void* sym(const char*);
void close();
library() : handle(0) {}
~library() { close(); }
library& operator=(const library&) = delete;
library(const library&) = delete;
private:
uintptr_t handle;
};
#if defined(PLATFORM_X)
inline bool library::open(const char *name) {
if(handle) close();
char *t = new char[strlen(name) + 256];
strcpy(t, "lib");
strcat(t, name);
strcat(t, ".so");
handle = (uintptr_t)dlopen(t, RTLD_LAZY);
if(!handle) {
strcpy(t, "/usr/local/lib/lib");
strcat(t, name);
strcat(t, ".so");
handle = (uintptr_t)dlopen(t, RTLD_LAZY);
}
delete[] t;
return handle;
}
inline void* library::sym(const char *name) {
if(!handle) return 0;
return dlsym((void*)handle, name);
}
inline void library::close() {
if(!handle) return;
dlclose((void*)handle);
handle = 0;
}
#elif defined(PLATFORM_OSX)
inline bool library::open(const char *name) {
if(handle) close();
char *t = new char[strlen(name) + 256];
strcpy(t, "lib");
strcat(t, name);
strcat(t, ".dylib");
handle = (uintptr_t)dlopen(t, RTLD_LAZY);
if(!handle) {
strcpy(t, "/usr/local/lib/lib");
strcat(t, name);
strcat(t, ".dylib");
handle = (uintptr_t)dlopen(t, RTLD_LAZY);
}
delete[] t;
return handle;
}
inline void* library::sym(const char *name) {
if(!handle) return 0;
return dlsym((void*)handle, name);
}
inline void library::close() {
if(!handle) return;
dlclose((void*)handle);
handle = 0;
}
#elif defined(PLATFORM_WIN)
inline bool library::open(const char *name) {
if(handle) close();
char *t = new char[strlen(name) + 8];
strcpy(t, name);
strcat(t, ".dll");
handle = (uintptr_t)LoadLibraryW(utf16_t(t));
delete[] t;
return handle;
}
inline void* library::sym(const char *name) {
if(!handle) return 0;
return (void*)GetProcAddress((HMODULE)handle, name);
}
inline void library::close() {
if(!handle) return;
FreeLibrary((HMODULE)handle);
handle = 0;
}
#else
inline bool library::open(const char*) { return false; }
inline void* library::sym(const char*) { return 0; }
inline void library::close() {}
#endif
};
#endif

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snesfilter/nall/endian.hpp
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#ifndef NALL_ENDIAN_HPP
#define NALL_ENDIAN_HPP
#if !defined(ARCH_MSB)
//little-endian: uint8_t[] { 0x01, 0x02, 0x03, 0x04 } == 0x04030201
#define order_lsb2(a,b) a,b
#define order_lsb3(a,b,c) a,b,c
#define order_lsb4(a,b,c,d) a,b,c,d
#define order_lsb5(a,b,c,d,e) a,b,c,d,e
#define order_lsb6(a,b,c,d,e,f) a,b,c,d,e,f
#define order_lsb7(a,b,c,d,e,f,g) a,b,c,d,e,f,g
#define order_lsb8(a,b,c,d,e,f,g,h) a,b,c,d,e,f,g,h
#define order_msb2(a,b) b,a
#define order_msb3(a,b,c) c,b,a
#define order_msb4(a,b,c,d) d,c,b,a
#define order_msb5(a,b,c,d,e) e,d,c,b,a
#define order_msb6(a,b,c,d,e,f) f,e,d,c,b,a
#define order_msb7(a,b,c,d,e,f,g) g,f,e,d,c,b,a
#define order_msb8(a,b,c,d,e,f,g,h) h,g,f,e,d,c,b,a
#else
//big-endian: uint8_t[] { 0x01, 0x02, 0x03, 0x04 } == 0x01020304
#define order_lsb2(a,b) b,a
#define order_lsb3(a,b,c) c,b,a
#define order_lsb4(a,b,c,d) d,c,b,a
#define order_lsb5(a,b,c,d,e) e,d,c,b,a
#define order_lsb6(a,b,c,d,e,f) f,e,d,c,b,a
#define order_lsb7(a,b,c,d,e,f,g) g,f,e,d,c,b,a
#define order_lsb8(a,b,c,d,e,f,g,h) h,g,f,e,d,c,b,a
#define order_msb2(a,b) a,b
#define order_msb3(a,b,c) a,b,c
#define order_msb4(a,b,c,d) a,b,c,d
#define order_msb5(a,b,c,d,e) a,b,c,d,e
#define order_msb6(a,b,c,d,e,f) a,b,c,d,e,f
#define order_msb7(a,b,c,d,e,f,g) a,b,c,d,e,f,g
#define order_msb8(a,b,c,d,e,f,g,h) a,b,c,d,e,f,g,h
#endif
#endif

259
snesfilter/nall/file.hpp
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#ifndef NALL_FILE_HPP
#define NALL_FILE_HPP
#include <stdio.h>
#include <string.h>
#if !defined(_WIN32)
#include <unistd.h>
#else
#include <io.h>
#endif
#include <nall/stdint.hpp>
#include <nall/utf8.hpp>
#include <nall/utility.hpp>
namespace nall {
inline FILE* fopen_utf8(const char *utf8_filename, const char *mode) {
#if !defined(_WIN32)
return fopen(utf8_filename, mode);
#else
return _wfopen(utf16_t(utf8_filename), utf16_t(mode));
#endif
}
class file {
public:
enum FileMode { mode_read, mode_write, mode_readwrite, mode_writeread };
enum SeekMode { seek_absolute, seek_relative };
uint8_t read() {
if(!fp) return 0xff; //file not open
if(file_mode == mode_write) return 0xff; //reads not permitted
if(file_offset >= file_size) return 0xff; //cannot read past end of file
buffer_sync();
return buffer[(file_offset++) & buffer_mask];
}
uintmax_t readl(unsigned length = 1) {
uintmax_t data = 0;
for(int i = 0; i < length; i++) {
data |= (uintmax_t)read() << (i << 3);
}
return data;
}
uintmax_t readm(unsigned length = 1) {
uintmax_t data = 0;
while(length--) {
data <<= 8;
data |= read();
}
return data;
}
void read(uint8_t *buffer, unsigned length) {
while(length--) *buffer++ = read();
}
void write(uint8_t data) {
if(!fp) return; //file not open
if(file_mode == mode_read) return; //writes not permitted
buffer_sync();
buffer[(file_offset++) & buffer_mask] = data;
buffer_dirty = true;
if(file_offset > file_size) file_size = file_offset;
}
void writel(uintmax_t data, unsigned length = 1) {
while(length--) {
write(data);
data >>= 8;
}
}
void writem(uintmax_t data, unsigned length = 1) {
for(int i = length - 1; i >= 0; i--) {
write(data >> (i << 3));
}
}
void write(const uint8_t *buffer, unsigned length) {
while(length--) write(*buffer++);
}
void print(const char *string) {
if(!string) return;
while(*string) write(*string++);
}
void flush() {
buffer_flush();
fflush(fp);
}
void seek(int offset, SeekMode mode = seek_absolute) {
if(!fp) return; //file not open
buffer_flush();
uintmax_t req_offset = file_offset;
switch(mode) {
case seek_absolute: req_offset = offset; break;
case seek_relative: req_offset += offset; break;
}
if(req_offset < 0) req_offset = 0; //cannot seek before start of file
if(req_offset > file_size) {
if(file_mode == mode_read) { //cannot seek past end of file
req_offset = file_size;
} else { //pad file to requested location
file_offset = file_size;
while(file_size < req_offset) write(0x00);
}
}
file_offset = req_offset;
}
int offset() {
if(!fp) return -1; //file not open
return file_offset;
}
int size() {
if(!fp) return -1; //file not open
return file_size;
}
bool truncate(unsigned size) {
if(!fp) return false; //file not open
#if !defined(_WIN32)
return ftruncate(fileno(fp), size) == 0;
#else
return _chsize(fileno(fp), size) == 0;
#endif
}
bool end() {
if(!fp) return true; //file not open
return file_offset >= file_size;
}
static bool exists(const char *fn) {
#if !defined(_WIN32)
FILE *fp = fopen(fn, "rb");
#else
FILE *fp = _wfopen(utf16_t(fn), L"rb");
#endif
if(fp) {
fclose(fp);
return true;
}
return false;
}
static unsigned size(const char *fn) {
#if !defined(_WIN32)
FILE *fp = fopen(fn, "rb");
#else
FILE *fp = _wfopen(utf16_t(fn), L"rb");
#endif
unsigned filesize = 0;
if(fp) {
fseek(fp, 0, SEEK_END);
filesize = ftell(fp);
fclose(fp);
}
return filesize;
}
bool open() {
return fp;
}
bool open(const char *fn, FileMode mode) {
if(fp) return false;
switch(file_mode = mode) {
#if !defined(_WIN32)
case mode_read: fp = fopen(fn, "rb"); break;
case mode_write: fp = fopen(fn, "wb+"); break; //need read permission for buffering
case mode_readwrite: fp = fopen(fn, "rb+"); break;
case mode_writeread: fp = fopen(fn, "wb+"); break;
#else
case mode_read: fp = _wfopen(utf16_t(fn), L"rb"); break;
case mode_write: fp = _wfopen(utf16_t(fn), L"wb+"); break;
case mode_readwrite: fp = _wfopen(utf16_t(fn), L"rb+"); break;
case mode_writeread: fp = _wfopen(utf16_t(fn), L"wb+"); break;
#endif
}
if(!fp) return false;
buffer_offset = -1; //invalidate buffer
file_offset = 0;
fseek(fp, 0, SEEK_END);
file_size = ftell(fp);
fseek(fp, 0, SEEK_SET);
return true;
}
void close() {
if(!fp) return;
buffer_flush();
fclose(fp);
fp = 0;
}
file() {
memset(buffer, 0, sizeof buffer);
buffer_offset = -1;
buffer_dirty = false;
fp = 0;
file_offset = 0;
file_size = 0;
file_mode = mode_read;
}
~file() {
close();
}
file& operator=(const file&) = delete;
file(const file&) = delete;
private:
enum { buffer_size = 1 << 12, buffer_mask = buffer_size - 1 };
char buffer[buffer_size];
int buffer_offset;
bool buffer_dirty;
FILE *fp;
unsigned file_offset;
unsigned file_size;
FileMode file_mode;
void buffer_sync() {
if(!fp) return; //file not open
if(buffer_offset != (file_offset & ~buffer_mask)) {
buffer_flush();
buffer_offset = file_offset & ~buffer_mask;
fseek(fp, buffer_offset, SEEK_SET);
unsigned length = (buffer_offset + buffer_size) <= file_size ? buffer_size : (file_size & buffer_mask);
if(length) unsigned unused = fread(buffer, 1, length, fp);
}
}
void buffer_flush() {
if(!fp) return; //file not open
if(file_mode == mode_read) return; //buffer cannot be written to
if(buffer_offset < 0) return; //buffer unused
if(buffer_dirty == false) return; //buffer unmodified since read
fseek(fp, buffer_offset, SEEK_SET);
unsigned length = (buffer_offset + buffer_size) <= file_size ? buffer_size : (file_size & buffer_mask);
if(length) unsigned unused = fwrite(buffer, 1, length, fp);
buffer_offset = -1; //invalidate buffer
buffer_dirty = false;
}
};
}
#endif

190
snesfilter/nall/filemap.hpp
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#ifndef NALL_FILEMAP_HPP
#define NALL_FILEMAP_HPP
#include <nall/stdint.hpp>
#include <nall/utf8.hpp>
#include <stdio.h>
#include <stdlib.h>
#if defined(_WIN32)
#include <windows.h>
#else
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
#endif
namespace nall {
class filemap {
public:
enum filemode { mode_read, mode_write, mode_readwrite, mode_writeread };
bool open(const char *filename, filemode mode) { return p_open(filename, mode); }
void close() { return p_close(); }
unsigned size() const { return p_size; }
uint8_t* handle() { return p_handle; }
const uint8_t* handle() const { return p_handle; }
filemap() : p_size(0), p_handle(0) { p_ctor(); }
~filemap() { p_dtor(); }
private:
unsigned p_size;
uint8_t *p_handle;
#if defined(_WIN32)
//=============
//MapViewOfFile
//=============
HANDLE p_filehandle, p_maphandle;
bool p_open(const char *filename, filemode mode) {
int desired_access, creation_disposition, flprotect, map_access;
switch(mode) {
default: return false;
case mode_read:
desired_access = GENERIC_READ;
creation_disposition = OPEN_EXISTING;
flprotect = PAGE_READONLY;
map_access = FILE_MAP_READ;
break;
case mode_write:
//write access requires read access
desired_access = GENERIC_WRITE;
creation_disposition = CREATE_ALWAYS;
flprotect = PAGE_READWRITE;
map_access = FILE_MAP_ALL_ACCESS;
break;
case mode_readwrite:
desired_access = GENERIC_READ | GENERIC_WRITE;
creation_disposition = OPEN_EXISTING;
flprotect = PAGE_READWRITE;
map_access = FILE_MAP_ALL_ACCESS;
break;
case mode_writeread:
desired_access = GENERIC_READ | GENERIC_WRITE;
creation_disposition = CREATE_NEW;
flprotect = PAGE_READWRITE;
map_access = FILE_MAP_ALL_ACCESS;
break;
}
p_filehandle = CreateFileW(utf16_t(filename), desired_access, FILE_SHARE_READ, NULL,
creation_disposition, FILE_ATTRIBUTE_NORMAL, NULL);
if(p_filehandle == INVALID_HANDLE_VALUE) return false;
p_size = GetFileSize(p_filehandle, NULL);
p_maphandle = CreateFileMapping(p_filehandle, NULL, flprotect, 0, p_size, NULL);
if(p_maphandle == INVALID_HANDLE_VALUE) {
CloseHandle(p_filehandle);
p_filehandle = INVALID_HANDLE_VALUE;
return false;
}
p_handle = (uint8_t*)MapViewOfFile(p_maphandle, map_access, 0, 0, p_size);
return p_handle;
}
void p_close() {
if(p_handle) {
UnmapViewOfFile(p_handle);
p_handle = 0;
}
if(p_maphandle != INVALID_HANDLE_VALUE) {
CloseHandle(p_maphandle);
p_maphandle = INVALID_HANDLE_VALUE;
}
if(p_filehandle != INVALID_HANDLE_VALUE) {
CloseHandle(p_filehandle);
p_filehandle = INVALID_HANDLE_VALUE;
}
}
void p_ctor() {
p_filehandle = INVALID_HANDLE_VALUE;
p_maphandle = INVALID_HANDLE_VALUE;
}
void p_dtor() {
close();
}
#else
//====
//mmap
//====
int p_fd;
bool p_open(const char *filename, filemode mode) {
int open_flags, mmap_flags;
switch(mode) {
default: return false;
case mode_read:
open_flags = O_RDONLY;
mmap_flags = PROT_READ;
break;
case mode_write:
open_flags = O_RDWR | O_CREAT; //mmap() requires read access
mmap_flags = PROT_WRITE;
break;
case mode_readwrite:
open_flags = O_RDWR;
mmap_flags = PROT_READ | PROT_WRITE;
break;
case mode_writeread:
open_flags = O_RDWR | O_CREAT;
mmap_flags = PROT_READ | PROT_WRITE;
break;
}
p_fd = ::open(filename, open_flags);
if(p_fd < 0) return false;
struct stat p_stat;
fstat(p_fd, &p_stat);
p_size = p_stat.st_size;
p_handle = (uint8_t*)mmap(0, p_size, mmap_flags, MAP_SHARED, p_fd, 0);
if(p_handle == MAP_FAILED) {
p_handle = 0;
::close(p_fd);
p_fd = -1;
return false;
}
return p_handle;
}
void p_close() {
if(p_handle) {
munmap(p_handle, p_size);
p_handle = 0;
}
if(p_fd >= 0) {
::close(p_fd);
p_fd = -1;
}
}
void p_ctor() {
p_fd = -1;
}
void p_dtor() {
p_close();
}
#endif
};
}
#endif

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snesfilter/nall/foreach.hpp
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#ifndef NALL_FOREACH_HPP
#define NALL_FOREACH_HPP
#undef foreach
#define foreach(iter, object) \
for(unsigned foreach_counter = 0, foreach_limit = foreach_size(object), foreach_once = 0, foreach_broken = 0; foreach_counter < foreach_limit && foreach_broken == 0; foreach_counter++, foreach_once = 0) \
for(auto &iter = object[foreach_counter]; foreach_once == 0 && (foreach_broken = 1); foreach_once++, foreach_broken = 0)
#include <nall/concept.hpp>
#include <nall/static.hpp>
#include <nall/traits.hpp>
namespace nall {
template<typename T> unsigned foreach_size(const T& object, typename mp_enable_if<has_count<T>>::type = 0) {
return object.count();
}
template<typename T> unsigned foreach_size(const T& object, typename mp_enable_if<has_length<T>>::type = 0) {
return object.length();
}
template<typename T> unsigned foreach_size(const T& object, typename mp_enable_if<has_size<T>>::type = 0) {
return object.size();
}
template<typename T> unsigned foreach_size(const T& object, typename mp_enable_if<is_array<T>>::type = 0) {
return sizeof(T) / sizeof(typename remove_extent<T>::type);
}
}
#endif

190
snesfilter/nall/function.hpp
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#ifndef NALL_FUNCTION_HPP
#define NALL_FUNCTION_HPP
#include <assert.h>
//prologue
#define TN typename
namespace nall {
template<typename T> class function;
}
//parameters = 0
#define cat(n) n
#define TL typename R
#define PL
#define CL
#include "function.hpp"
//parameters = 1
#define cat(n) , n
#define TL TN R, TN P1
#define PL P1 p1
#define CL p1
#include "function.hpp"
//parameters = 2
#define cat(n) , n
#define TL TN R, TN P1, TN P2
#define PL P1 p1, P2 p2
#define CL p1, p2
#include "function.hpp"
//parameters = 3
#define cat(n) , n
#define TL TN R, TN P1, TN P2, TN P3
#define PL P1 p1, P2 p2, P3 p3
#define CL p1, p2, p3
#include "function.hpp"
//parameters = 4
#define cat(n) , n
#define TL TN R, TN P1, TN P2, TN P3, TN P4
#define PL P1 p1, P2 p2, P3 p3, P4 p4
#define CL p1, p2, p3, p4
#include "function.hpp"
//parameters = 5
#define cat(n) , n
#define TL TN R, TN P1, TN P2, TN P3, TN P4, TN P5
#define PL P1 p1, P2 p2, P3 p3, P4 p4, P5 p5
#define CL p1, p2, p3, p4, p5
#include "function.hpp"
//parameters = 6
#define cat(n) , n
#define TL TN R, TN P1, TN P2, TN P3, TN P4, TN P5, TN P6
#define PL P1 p1, P2 p2, P3 p3, P4 p4, P5 p5, P6 p6
#define CL p1, p2, p3, p4, p5, p6
#include "function.hpp"
//parameters = 7
#define cat(n) , n
#define TL TN R, TN P1, TN P2, TN P3, TN P4, TN P5, TN P6, TN P7
#define PL P1 p1, P2 p2, P3 p3, P4 p4, P5 p5, P6 p6, P7 p7
#define CL p1, p2, p3, p4, p5, p6, p7
#include "function.hpp"
//parameters = 8
#define cat(n) , n
#define TL TN R, TN P1, TN P2, TN P3, TN P4, TN P5, TN P6, TN P7, TN P8
#define PL P1 p1, P2 p2, P3 p3, P4 p4, P5 p5, P6 p6, P7 p7, P8 p8
#define CL p1, p2, p3, p4, p5, p6, p7, p8
#include "function.hpp"
//epilogue
#undef TN
#define NALL_FUNCTION_T
#elif !defined(NALL_FUNCTION_T)
//function implementation template class
namespace nall {
template<TL>
class function<R (PL)> {
private:
struct base1 { virtual void func1(PL) {} };
struct base2 { virtual void func2(PL) {} };
struct derived : base1, virtual base2 {};
struct data_t {
R (*fn_call)(const data_t& cat(PL));
union {
R (*fn_global)(PL);
struct {
R (derived::*fn_member)(PL);
void *object;
};
};
} data;
static R fn_call_global(const data_t &d cat(PL)) {
return d.fn_global(CL);
}
template<typename C>
static R fn_call_member(const data_t &d cat(PL)) {
return (((C*)d.object)->*((R (C::*&)(PL))d.fn_member))(CL);
}
public:
R operator()(PL) const { return data.fn_call(data cat(CL)); }
operator bool() const { return data.fn_call; }
function() { data.fn_call = 0; }
function(void *fn) {
data.fn_call = fn ? &fn_call_global : 0;
data.fn_global = (R (*)(PL))fn;
}
function(R (*fn)(PL)) {
data.fn_call = &fn_call_global;
data.fn_global = fn;
}
template<typename C>
function(R (C::*fn)(PL), C *obj) {
data.fn_call = &fn_call_member<C>;
(R (C::*&)(PL))data.fn_member = fn;
assert(sizeof data.fn_member >= sizeof fn);
data.object = obj;
}
template<typename C>
function(R (C::*fn)(PL) const, C *obj) {
data.fn_call = &fn_call_member<C>;
(R (C::*&)(PL))data.fn_member = (R (C::*&)(PL))fn;
assert(sizeof data.fn_member >= sizeof fn);
data.object = obj;
}
function& operator=(void *fn) { return operator=(function(fn)); }
function& operator=(const function &source) { memcpy(&data, &source.data, sizeof(data_t)); return *this; }
function(const function &source) { memcpy(&data, &source.data, sizeof(data_t)); }
};
template<TL>
function<R (PL)> bind(R (*fn)(PL)) {
return function<R (PL)>(fn);
}
template<typename C, TL>
function<R (PL)> bind(R (C::*fn)(PL), C *obj) {
return function<R (PL)>(fn, obj);
}
template<typename C, TL>
function<R (PL)> bind(R (C::*fn)(PL) const, C *obj) {
return function<R (PL)>(fn, obj);
}
}
#undef cat
#undef TL
#undef PL
#undef CL
#endif

386
snesfilter/nall/input.hpp
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#ifndef NALL_INPUT_HPP
#define NALL_INPUT_HPP
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <nall/stdint.hpp>
#include <nall/string.hpp>
namespace nall {
struct Keyboard;
Keyboard& keyboard(unsigned = 0);
static const char KeyboardScancodeName[][64] = {
"Escape", "F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "F10", "F11", "F12",
"PrintScreen", "ScrollLock", "Pause", "Tilde",
"Num1", "Num2", "Num3", "Num4", "Num5", "Num6", "Num7", "Num8", "Num9", "Num0",
"Dash", "Equal", "Backspace",
"Insert", "Delete", "Home", "End", "PageUp", "PageDown",
"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M",
"N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z",
"LeftBracket", "RightBracket", "Backslash", "Semicolon", "Apostrophe", "Comma", "Period", "Slash",
"Keypad1", "Keypad2", "Keypad3", "Keypad4", "Keypad5", "Keypad6", "Keypad7", "Keypad8", "Keypad9", "Keypad0",
"Point", "Enter", "Add", "Subtract", "Multiply", "Divide",
"NumLock", "CapsLock",
"Up", "Down", "Left", "Right",
"Tab", "Return", "Spacebar", "Menu",
"Shift", "Control", "Alt", "Super",
};
struct Keyboard {
const unsigned ID;
enum { Base = 1 };
enum { Count = 8, Size = 128 };
enum Scancode {
Escape, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12,
PrintScreen, ScrollLock, Pause, Tilde,
Num1, Num2, Num3, Num4, Num5, Num6, Num7, Num8, Num9, Num0,
Dash, Equal, Backspace,
Insert, Delete, Home, End, PageUp, PageDown,
A, B, C, D, E, F, G, H, I, J, K, L, M,
N, O, P, Q, R, S, T, U, V, W, X, Y, Z,
LeftBracket, RightBracket, Backslash, Semicolon, Apostrophe, Comma, Period, Slash,
Keypad1, Keypad2, Keypad3, Keypad4, Keypad5, Keypad6, Keypad7, Keypad8, Keypad9, Keypad0,
Point, Enter, Add, Subtract, Multiply, Divide,
NumLock, CapsLock,
Up, Down, Left, Right,
Tab, Return, Spacebar, Menu,
Shift, Control, Alt, Super,
Limit,
};
static signed numberDecode(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(keyboard(i).belongsTo(scancode)) return i;
}
return -1;
}
static signed keyDecode(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(keyboard(i).isKey(scancode)) return scancode - keyboard(i).key(Escape);
}
return -1;
}
static signed modifierDecode(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(keyboard(i).isModifier(scancode)) return scancode - keyboard(i).key(Shift);
}
return -1;
}
static bool isAnyKey(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(keyboard(i).isKey(scancode)) return true;
}
return false;
}
static bool isAnyModifier(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(keyboard(i).isModifier(scancode)) return true;
}
return false;
}
static uint16_t decode(const char *name) {
string s(name);
if(!strbegin(name, "KB")) return 0;
ltrim(s, "KB");
unsigned id = strunsigned(s);
int pos = strpos(s, "::");
if(pos < 0) return 0;
s = substr(s, pos + 2);
for(unsigned i = 0; i < Limit; i++) {
if(s == KeyboardScancodeName[i]) return Base + Size * id + i;
}
return 0;
}
string encode(uint16_t code) const {
unsigned index = 0;
for(unsigned i = 0; i < Count; i++) {
if(code >= Base + Size * i && code < Base + Size * (i + 1)) {
index = code - (Base + Size * i);
break;
}
}
return string() << "KB" << ID << "::" << KeyboardScancodeName[index];
}
uint16_t operator[](Scancode code) const { return Base + ID * Size + code; }
uint16_t key(unsigned id) const { return Base + Size * ID + id; }
bool isKey(unsigned id) const { return id >= key(Escape) && id <= key(Menu); }
bool isModifier(unsigned id) const { return id >= key(Shift) && id <= key(Super); }
bool belongsTo(uint16_t scancode) const { return isKey(scancode) || isModifier(scancode); }
Keyboard(unsigned ID_) : ID(ID_) {}
};
inline Keyboard& keyboard(unsigned id) {
static Keyboard kb0(0), kb1(1), kb2(2), kb3(3), kb4(4), kb5(5), kb6(6), kb7(7);
switch(id) { default:
case 0: return kb0; case 1: return kb1; case 2: return kb2; case 3: return kb3;
case 4: return kb4; case 5: return kb5; case 6: return kb6; case 7: return kb7;
}
}
static const char MouseScancodeName[][64] = {
"Xaxis", "Yaxis", "Zaxis",
"Button0", "Button1", "Button2", "Button3", "Button4", "Button5", "Button6", "Button7",
};
struct Mouse;
Mouse& mouse(unsigned = 0);
struct Mouse {
const unsigned ID;
enum { Base = Keyboard::Base + Keyboard::Size * Keyboard::Count };
enum { Count = 8, Size = 16 };
enum { Axes = 3, Buttons = 8 };
enum Scancode {
Xaxis, Yaxis, Zaxis,
Button0, Button1, Button2, Button3, Button4, Button5, Button6, Button7,
Limit,
};
static signed numberDecode(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(mouse(i).belongsTo(scancode)) return i;
}
return -1;
}
static signed axisDecode(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(mouse(i).isAxis(scancode)) return scancode - mouse(i).axis(0);
}
return -1;
}
static signed buttonDecode(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(mouse(i).isButton(scancode)) return scancode - mouse(i).button(0);
}
return -1;
}
static bool isAnyAxis(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(mouse(i).isAxis(scancode)) return true;
}
return false;
}
static bool isAnyButton(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(mouse(i).isButton(scancode)) return true;
}
return false;
}
static uint16_t decode(const char *name) {
string s(name);
if(!strbegin(name, "MS")) return 0;
ltrim(s, "MS");
unsigned id = strunsigned(s);
int pos = strpos(s, "::");
if(pos < 0) return 0;
s = substr(s, pos + 2);
for(unsigned i = 0; i < Limit; i++) {
if(s == MouseScancodeName[i]) return Base + Size * id + i;
}
return 0;
}
string encode(uint16_t code) const {
unsigned index = 0;
for(unsigned i = 0; i < Count; i++) {
if(code >= Base + Size * i && code < Base + Size * (i + 1)) {
index = code - (Base + Size * i);
break;
}
}
return string() << "MS" << ID << "::" << MouseScancodeName[index];
}
uint16_t operator[](Scancode code) const { return Base + ID * Size + code; }
uint16_t axis(unsigned id) const { return Base + Size * ID + Xaxis + id; }
uint16_t button(unsigned id) const { return Base + Size * ID + Button0 + id; }
bool isAxis(unsigned id) const { return id >= axis(0) && id <= axis(2); }
bool isButton(unsigned id) const { return id >= button(0) && id <= button(7); }
bool belongsTo(uint16_t scancode) const { return isAxis(scancode) || isButton(scancode); }
Mouse(unsigned ID_) : ID(ID_) {}
};
inline Mouse& mouse(unsigned id) {
static Mouse ms0(0), ms1(1), ms2(2), ms3(3), ms4(4), ms5(5), ms6(6), ms7(7);
switch(id) { default:
case 0: return ms0; case 1: return ms1; case 2: return ms2; case 3: return ms3;
case 4: return ms4; case 5: return ms5; case 6: return ms6; case 7: return ms7;
}
}
static const char JoypadScancodeName[][64] = {
"Hat0", "Hat1", "Hat2", "Hat3", "Hat4", "Hat5", "Hat6", "Hat7",
"Axis0", "Axis1", "Axis2", "Axis3", "Axis4", "Axis5", "Axis6", "Axis7",
"Axis8", "Axis9", "Axis10", "Axis11", "Axis12", "Axis13", "Axis14", "Axis15",
"Button0", "Button1", "Button2", "Button3", "Button4", "Button5", "Button6", "Button7",
"Button8", "Button9", "Button10", "Button11", "Button12", "Button13", "Button14", "Button15",
"Button16", "Button17", "Button18", "Button19", "Button20", "Button21", "Button22", "Button23",
"Button24", "Button25", "Button26", "Button27", "Button28", "Button29", "Button30", "Button31",
};
struct Joypad;
Joypad& joypad(unsigned = 0);
struct Joypad {
const unsigned ID;
enum { Base = Mouse::Base + Mouse::Size * Mouse::Count };
enum { Count = 8, Size = 64 };
enum { Hats = 8, Axes = 16, Buttons = 32 };
enum Scancode {
Hat0, Hat1, Hat2, Hat3, Hat4, Hat5, Hat6, Hat7,
Axis0, Axis1, Axis2, Axis3, Axis4, Axis5, Axis6, Axis7,
Axis8, Axis9, Axis10, Axis11, Axis12, Axis13, Axis14, Axis15,
Button0, Button1, Button2, Button3, Button4, Button5, Button6, Button7,
Button8, Button9, Button10, Button11, Button12, Button13, Button14, Button15,
Button16, Button17, Button18, Button19, Button20, Button21, Button22, Button23,
Button24, Button25, Button26, Button27, Button28, Button29, Button30, Button31,
Limit,
};
enum Hat { HatCenter = 0, HatUp = 1, HatRight = 2, HatDown = 4, HatLeft = 8 };
static signed numberDecode(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(joypad(i).belongsTo(scancode)) return i;
}
return -1;
}
static signed hatDecode(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(joypad(i).isHat(scancode)) return scancode - joypad(i).hat(0);
}
return -1;
}
static signed axisDecode(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(joypad(i).isAxis(scancode)) return scancode - joypad(i).axis(0);
}
return -1;
}
static signed buttonDecode(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(joypad(i).isButton(scancode)) return scancode - joypad(i).button(0);
}
return -1;
}
static bool isAnyHat(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(joypad(i).isHat(scancode)) return true;
}
return false;
}
static bool isAnyAxis(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(joypad(i).isAxis(scancode)) return true;
}
return false;
}
static bool isAnyButton(uint16_t scancode) {
for(unsigned i = 0; i < Count; i++) {
if(joypad(i).isButton(scancode)) return true;
}
return false;
}
static uint16_t decode(const char *name) {
string s(name);
if(!strbegin(name, "JP")) return 0;
ltrim(s, "JP");
unsigned id = strunsigned(s);
int pos = strpos(s, "::");
if(pos < 0) return 0;
s = substr(s, pos + 2);
for(unsigned i = 0; i < Limit; i++) {
if(s == JoypadScancodeName[i]) return Base + Size * id + i;
}
return 0;
}
string encode(uint16_t code) const {
unsigned index = 0;
for(unsigned i = 0; i < Count; i++) {
if(code >= Base + Size * i && code < Base + Size * (i + 1)) {
index = code - (Base + Size * i);
}
}
return string() << "JP" << ID << "::" << JoypadScancodeName[index];
}
uint16_t operator[](Scancode code) const { return Base + ID * Size + code; }
uint16_t hat(unsigned id) const { return Base + Size * ID + Hat0 + id; }
uint16_t axis(unsigned id) const { return Base + Size * ID + Axis0 + id; }
uint16_t button(unsigned id) const { return Base + Size * ID + Button0 + id; }
bool isHat(unsigned id) const { return id >= hat(0) && id <= hat(7); }
bool isAxis(unsigned id) const { return id >= axis(0) && id <= axis(15); }
bool isButton(unsigned id) const { return id >= button(0) && id <= button(31); }
bool belongsTo(uint16_t scancode) const { return isHat(scancode) || isAxis(scancode) || isButton(scancode); }
Joypad(unsigned ID_) : ID(ID_) {}
};
inline Joypad& joypad(unsigned id) {
static Joypad jp0(0), jp1(1), jp2(2), jp3(3), jp4(4), jp5(5), jp6(6), jp7(7);
switch(id) { default:
case 0: return jp0; case 1: return jp1; case 2: return jp2; case 3: return jp3;
case 4: return jp4; case 5: return jp5; case 6: return jp6; case 7: return jp7;
}
}
struct Scancode {
enum { None = 0, Limit = Joypad::Base + Joypad::Size * Joypad::Count };
static uint16_t decode(const char *name) {
uint16_t code;
code = Keyboard::decode(name);
if(code) return code;
code = Mouse::decode(name);
if(code) return code;
code = Joypad::decode(name);
if(code) return code;
return None;
}
static string encode(uint16_t code) {
for(unsigned i = 0; i < Keyboard::Count; i++) {
if(keyboard(i).belongsTo(code)) return keyboard(i).encode(code);
}
for(unsigned i = 0; i < Mouse::Count; i++) {
if(mouse(i).belongsTo(code)) return mouse(i).encode(code);
}
for(unsigned i = 0; i < Joypad::Count; i++) {
if(joypad(i).belongsTo(code)) return joypad(i).encode(code);
}
return "None";
}
};
}
#endif

81
snesfilter/nall/lzss.hpp
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#ifndef NALL_LZSS_HPP
#define NALL_LZSS_HPP
#include <nall/array.hpp>
#include <nall/new.hpp>
#include <nall/stdint.hpp>
namespace nall {
class lzss {
public:
static bool encode(uint8_t *&output, unsigned &outlength, const uint8_t *input, unsigned inlength) {
output = new(zeromemory) uint8_t[inlength * 9 / 8 + 9];
unsigned i = 0, o = 0;
while(i < inlength) {
unsigned flagoffset = o++;
uint8_t flag = 0x00;
for(unsigned b = 0; b < 8 && i < inlength; b++) {
unsigned longest = 0, pointer;
for(unsigned index = 1; index < 4096; index++) {
unsigned count = 0;
while(true) {
if(count >= 15 + 3) break; //verify pattern match is not longer than max length
if(i + count >= inlength) break; //verify pattern match does not read past end of input
if(i + count < index) break; //verify read is not before start of input
if(input[i + count] != input[i + count - index]) break; //verify pattern still matches
count++;
}
if(count > longest) {
longest = count;
pointer = index;
}
}
if(longest < 3) output[o++] = input[i++];
else {
flag |= 1 << b;
uint16_t x = ((longest - 3) << 12) + pointer;
output[o++] = x;
output[o++] = x >> 8;
i += longest;
}
}
output[flagoffset] = flag;
}
outlength = o;
return true;
}
static bool decode(uint8_t *&output, const uint8_t *input, unsigned length) {
output = new(zeromemory) uint8_t[length];
unsigned i = 0, o = 0;
while(o < length) {
uint8_t flag = input[i++];
for(unsigned b = 0; b < 8 && o < length; b++) {
if(!(flag & (1 << b))) output[o++] = input[i++];
else {
uint16_t offset = input[i++];
offset += input[i++] << 8;
uint16_t lookuplength = (offset >> 12) + 3;
offset &= 4095;
for(unsigned index = 0; index < lookuplength && o + index < length; index++) {
output[o + index] = output[o + index - offset];
}
o += lookuplength;
}
}
}
return true;
}
};
}
#endif

40
snesfilter/nall/moduloarray.hpp
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#ifndef NALL_MODULO_HPP
#define NALL_MODULO_HPP
#include <nall/serializer.hpp>
namespace nall {
template<typename T, int size> class modulo_array {
public:
inline T operator[](int index) const {
return buffer[size + index];
}
inline T read(int index) const {
return buffer[size + index];
}
inline void write(unsigned index, const T value) {
buffer[index] =
buffer[index + size] =
buffer[index + size + size] = value;
}
void serialize(serializer &s) {
s.array(buffer, size * 3);
}
modulo_array() {
buffer = new T[size * 3]();
}
~modulo_array() {
delete[] buffer;
}
private:
T *buffer;
};
}
#endif

80
snesfilter/nall/platform.hpp
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#ifndef NALL_PLATFORM_HPP
#define NALL_PLATFORM_HPP
#include <nall/utf8.hpp>
//=========================
//standard platform headers
//=========================
#include <limits>
#include <assert.h>
#include <limits.h>
#include <math.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#if defined(_WIN32)
#include <io.h>
#include <direct.h>
#include <shlobj.h>
#undef interface
#else
#include <unistd.h>
#include <pwd.h>
#include <sys/stat.h>
#endif
//==================
//warning supression
//==================
//Visual C++
#if defined(_MSC_VER)
//disable libc "deprecation" warnings
#pragma warning(disable:4996)
#endif
//================
//POSIX compliance
//================
#if defined(_MSC_VER)
#define PATH_MAX _MAX_PATH
#define va_copy(dest, src) ((dest) = (src))
#endif
#if defined(_WIN32)
#define getcwd _getcwd
#define ftruncate _chsize
#define putenv _putenv
#define mkdir(n, m) _wmkdir(nall::utf16_t(n))
#define rmdir _rmdir
#define vsnprintf _vsnprintf
#define usleep(n) Sleep(n / 1000)
#endif
//================
//inline expansion
//================
#if defined(__GNUC__)
#define noinline __attribute__((noinline))
#define inline inline
#define alwaysinline inline __attribute__((always_inline))
#elif defined(_MSC_VER)
#define noinline __declspec(noinline)
#define inline inline
#define alwaysinline inline __forceinline
#else
#define noinline
#define inline inline
#define alwaysinline inline
#endif
#endif

109
snesfilter/nall/priorityqueue.hpp
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#ifndef NALL_PRIORITYQUEUE_HPP
#define NALL_PRIORITYQUEUE_HPP
#include <limits>
#include <nall/function.hpp>
#include <nall/serializer.hpp>
#include <nall/utility.hpp>
namespace nall {
template<typename type_t> void priority_queue_nocallback(type_t) {}
//priority queue implementation using binary min-heap array;
//does not require normalize() function.
//O(1) find (tick)
//O(log n) insert (enqueue)
//O(log n) remove (dequeue)
template<typename type_t> class priority_queue {
public:
inline void tick(unsigned ticks) {
basecounter += ticks;
while(heapsize && gte(basecounter, heap[0].counter)) callback(dequeue());
}
//counter is relative to current time (eg enqueue(64, ...) fires in 64 ticks);
//counter cannot exceed std::numeric_limits<unsigned>::max() >> 1.
void enqueue(unsigned counter, type_t event) {
unsigned child = heapsize++;
counter += basecounter;
while(child) {
unsigned parent = (child - 1) >> 1;
if(gte(counter, heap[parent].counter)) break;
heap[child].counter = heap[parent].counter;
heap[child].event = heap[parent].event;
child = parent;
}
heap[child].counter = counter;
heap[child].event = event;
}
type_t dequeue() {
type_t event(heap[0].event);
unsigned parent = 0;
unsigned counter = heap[--heapsize].counter;
while(true) {
unsigned child = (parent << 1) + 1;
if(child >= heapsize) break;
if(child + 1 < heapsize && gte(heap[child].counter, heap[child + 1].counter)) child++;
if(gte(heap[child].counter, counter)) break;
heap[parent].counter = heap[child].counter;
heap[parent].event = heap[child].event;
parent = child;
}
heap[parent].counter = counter;
heap[parent].event = heap[heapsize].event;
return event;
}
void reset() {
basecounter = 0;
heapsize = 0;
}
void serialize(serializer &s) {
s.integer(basecounter);
s.integer(heapsize);
for(unsigned n = 0; n < heapcapacity; n++) {
s.integer(heap[n].counter);
s.integer(heap[n].event);
}
}
priority_queue(unsigned size, function<void (type_t)> callback_ = &priority_queue_nocallback<type_t>)
: callback(callback_) {
heap = new heap_t[size];
heapcapacity = size;
reset();
}
~priority_queue() {
delete[] heap;
}
priority_queue& operator=(const priority_queue&) = delete;
priority_queue(const priority_queue&) = delete;
private:
function<void (type_t)> callback;
unsigned basecounter;
unsigned heapsize;
unsigned heapcapacity;
struct heap_t {
unsigned counter;
type_t event;
} *heap;
//return true if x is greater than or equal to y
inline bool gte(unsigned x, unsigned y) {
return x - y < (std::numeric_limits<unsigned>::max() >> 1);
}
};
}
#endif

91
snesfilter/nall/property.hpp
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#ifndef NALL_PROPERTY_HPP
#define NALL_PROPERTY_HPP
//nall::property implements ownership semantics into container classes
//example: property<owner>::readonly<type> implies that only owner has full
//access to type; and all other code has readonly access.
//
//this code relies on extended friend semantics from C++0x to work, as it
//declares a friend class via a template paramter. it also exploits a bug in
//G++ 4.x to work even in C++98 mode.
//
//if compiling elsewhere, simply remove the friend class and private semantics
//property can be used either of two ways:
//struct foo {
// property<foo>::readonly<bool> x;
// property<foo>::readwrite<int> y;
//};
//-or-
//struct foo : property<foo> {
// readonly<bool> x;
// readwrite<int> y;
//};
//return types are const T& (byref) instead fo T (byval) to avoid major speed
//penalties for objects with expensive copy constructors
//operator-> provides access to underlying object type:
//readonly<Object> foo;
//foo->bar();
//... will call Object::bar();
//operator='s reference is constant so as to avoid leaking a reference handle
//that could bypass access restrictions
//both constant and non-constant operators are provided, though it may be
//necessary to cast first, for instance:
//struct foo : property<foo> { readonly<int> bar; } object;
//int main() { int value = const_cast<const foo&>(object); }
//writeonly is useful for objects that have non-const reads, but const writes.
//however, to avoid leaking handles, the interface is very restricted. the only
//way to write is via operator=, which requires conversion via eg copy
//constructor. example:
//struct foo {
// foo(bool value) { ... }
//};
//writeonly<foo> bar;
//bar = true;
namespace nall {
template<typename C> struct property {
template<typename T> struct traits { typedef T type; };
template<typename T> struct readonly {
const T* operator->() const { return &value; }
const T& operator()() const { return value; }
operator const T&() const { return value; }
private:
T* operator->() { return &value; }
operator T&() { return value; }
const T& operator=(const T& value_) { return value = value_; }
T value;
friend class traits<C>::type;
};
template<typename T> struct writeonly {
void operator=(const T& value_) { value = value_; }
private:
const T* operator->() const { return &value; }
const T& operator()() const { return value; }
operator const T&() const { return value; }
T* operator->() { return &value; }
operator T&() { return value; }
T value;
friend class traits<C>::type;
};
template<typename T> struct readwrite {
const T* operator->() const { return &value; }
const T& operator()() const { return value; }
operator const T&() const { return value; }
T* operator->() { return &value; }
operator T&() { return value; }
const T& operator=(const T& value_) { return value = value_; }
T value;
};
};
}
#endif

55
snesfilter/nall/qt/Makefile
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# requires nall/Makefile
# imports:
# $(qtlibs) -- list of Qt components to link against
# exports the following symbols:
# $(moc) -- meta-object compiler
# $(rcc) -- resource compiler
# $(qtinc) -- includes for compiling
# $(qtlib) -- libraries for linking
ifeq ($(moc),)
moc := moc
endif
ifeq ($(rcc),)
rcc := rcc
endif
ifeq ($(platform),x)
qtinc := `pkg-config --cflags $(qtlibs)`
qtlib := `pkg-config --libs $(qtlibs)`
else ifeq ($(platform),osx)
qtinc := $(foreach lib,$(qtlibs),-I/Library/Frameworks/$(lib).framework/Versions/4/Headers)
qtlib := -L/Library/Frameworks
qtlib += $(foreach lib,$(qtlibs),-framework $(lib))
qtlib += -framework Carbon
qtlib += -framework Cocoa
qtlib += -framework OpenGL
qtlib += -framework AppKit
qtlib += -framework ApplicationServices
else ifeq ($(platform),win)
ifeq ($(qtpath),)
# find Qt install directory from PATH environment variable
qtpath := $(foreach path,$(subst ;, ,$(PATH)),$(if $(wildcard $(path)/$(moc).exe),$(path)))
qtpath := $(strip $(qtpath))
qtpath := $(subst \,/,$(qtpath))
qtpath := $(patsubst %/bin,%,$(qtpath))
endif
qtinc := -I$(qtpath)/include
qtinc += $(foreach lib,$(qtlibs),-I$(qtpath)/include/$(lib))
qtlib := -L$(qtpath)/lib
qtlib += -L$(qtpath)/plugins/imageformats
qtlib += $(foreach lib,$(qtlibs),-l$(lib)4)
qtlib += -lmingw32 -lqtmain -lcomdlg32 -loleaut32 -limm32 -lwinmm
qtlib += -lwinspool -lmsimg32 -lole32 -ladvapi32 -lws2_32 -luuid -lgdi32
qtlib += $(foreach lib,$(qtlibs),-l$(lib)4)
# optional image-file support:
# qtlib += -lqjpeg -lqmng
endif

41
snesfilter/nall/qt/check-action.moc.hpp
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#ifndef NALL_QT_CHECKACTION_HPP
#define NALL_QT_CHECKACTION_HPP
namespace nall {
class CheckAction : public QAction {
Q_OBJECT
public:
bool isChecked() const;
void setChecked(bool);
void toggleChecked();
CheckAction(const QString&, QObject*);
protected slots:
protected:
bool checked;
};
inline bool CheckAction::isChecked() const {
return checked;
}
inline void CheckAction::setChecked(bool checked_) {
checked = checked_;
if(checked) setIcon(QIcon(":/16x16/item-check-on.png"));
else setIcon(QIcon(":/16x16/item-check-off.png"));
}
inline void CheckAction::toggleChecked() {
setChecked(!isChecked());
}
inline CheckAction::CheckAction(const QString &text, QObject *parent) : QAction(text, parent) {
setChecked(false);
}
}
#endif

10
snesfilter/nall/qt/concept.hpp
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#ifndef NALL_QT_CONCEPT_HPP
#define NALL_QT_CONCEPT_HPP
#include <nall/concept.hpp>
namespace nall {
template<typename T> struct has_count<QList<T>> { enum { value = true }; };
}
#endif

392
snesfilter/nall/qt/file-dialog.moc.hpp
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#ifndef NALL_QT_FILEDIALOG_HPP
#define NALL_QT_FILEDIALOG_HPP
#include <nall/platform.hpp>
#include <nall/string.hpp>
#include <nall/qt/window.moc.hpp>
namespace nall {
class FileDialog;
class NewFolderDialog : public Window {
Q_OBJECT
public:
void show();
NewFolderDialog(FileDialog*);
protected slots:
void createFolderAction();
protected:
FileDialog *parent;
QVBoxLayout *layout;
QLineEdit *folderNameEdit;
QHBoxLayout *controlLayout;
QPushButton *okButton;
QPushButton *cancelButton;
};
class FileView : public QListView {
Q_OBJECT
protected:
void keyPressEvent(QKeyEvent*);
signals:
void changed(const QModelIndex&);
void browseUp();
protected slots:
void currentChanged(const QModelIndex&, const QModelIndex&);
};
class FileDialog : public Window {
Q_OBJECT
public:
void showLoad();
void showSave();
void showFolder();
void setPath(string path);
void setNameFilters(const string &filters);
FileDialog();
signals:
void changed(const string&);
void activated(const string&);
void accepted(const string&);
void rejected();
protected slots:
void fileViewChange(const QModelIndex&);
void fileViewActivate(const QModelIndex&);
void pathBoxChanged();
void filterBoxChanged();
void createNewFolder();
void browseUp();
void acceptAction();
void rejectAction();
protected:
NewFolderDialog *newFolderDialog;
QVBoxLayout *layout;
QHBoxLayout *navigationLayout;
QComboBox *pathBox;
QPushButton *newFolderButton;
QPushButton *upFolderButton;
QHBoxLayout *browseLayout;
QFileSystemModel *fileSystemModel;
FileView *fileView;
QGroupBox *previewFrame;
QLineEdit *fileNameEdit;
QHBoxLayout *controlLayout;
QComboBox *filterBox;
QPushButton *optionsButton;
QPushButton *acceptButton;
QPushButton *rejectButton;
bool lock;
void createFolderAction(const string &name);
void closeEvent(QCloseEvent*);
friend class NewFolderDialog;
};
inline void NewFolderDialog::show() {
folderNameEdit->setText("");
Window::show();
folderNameEdit->setFocus();
}
inline void NewFolderDialog::createFolderAction() {
string name = folderNameEdit->text().toUtf8().constData();
if(name == "") {
folderNameEdit->setFocus();
} else {
parent->createFolderAction(name);
close();
}
}
inline NewFolderDialog::NewFolderDialog(FileDialog *fileDialog) : parent(fileDialog) {
setMinimumWidth(240);
setWindowTitle("Create New Folder");
layout = new QVBoxLayout;
layout->setAlignment(Qt::AlignTop);
layout->setMargin(5);
layout->setSpacing(5);
setLayout(layout);
folderNameEdit = new QLineEdit;
layout->addWidget(folderNameEdit);
controlLayout = new QHBoxLayout;
controlLayout->setAlignment(Qt::AlignRight);
layout->addLayout(controlLayout);
okButton = new QPushButton("Ok");
controlLayout->addWidget(okButton);
cancelButton = new QPushButton("Cancel");
controlLayout->addWidget(cancelButton);
connect(folderNameEdit, SIGNAL(returnPressed()), this, SLOT(createFolderAction()));
connect(okButton, SIGNAL(released()), this, SLOT(createFolderAction()));
connect(cancelButton, SIGNAL(released()), this, SLOT(close()));
}
inline void FileView::currentChanged(const QModelIndex &current, const QModelIndex &previous) {
QAbstractItemView::currentChanged(current, previous);
emit changed(current);
}
inline void FileView::keyPressEvent(QKeyEvent *event) {
//enhance consistency: force OS X to act like Windows and Linux; enter = activate item
if(event->key() == Qt::Key_Return || event->key() == Qt::Key_Enter) {
emit activated(currentIndex());
return;
}
//simulate popular file manager behavior; backspace = go up one directory
if(event->key() == Qt::Key_Backspace) {
emit browseUp();
return;
}
//fallback: unrecognized keypresses get handled by the widget itself
QListView::keyPressEvent(event);
}
inline void FileDialog::showLoad() {
acceptButton->setText("Load");
fileNameEdit->hide();
filterBox->show();
show();
}
inline void FileDialog::showSave() {
acceptButton->setText("Save");
fileNameEdit->show();
filterBox->show();
show();
}
inline void FileDialog::showFolder() {
acceptButton->setText("Choose");
fileNameEdit->hide();
filterBox->hide();
setNameFilters("Folders ()");
show();
}
inline void FileDialog::fileViewChange(const QModelIndex &index) {
string path = fileSystemModel->filePath(index).toUtf8().constData();
if(path == fileSystemModel->rootPath().toUtf8().constData()) path = "";
fileNameEdit->setText(notdir(path));
emit changed(path);
}
inline void FileDialog::fileViewActivate(const QModelIndex &index) {
string path = fileSystemModel->filePath(index).toUtf8().constData();
if(fileSystemModel->isDir(index)) {
emit activated(path);
setPath(path);
} else {
emit activated(path);
close();
}
}
inline void FileDialog::pathBoxChanged() {
if(lock) return;
setPath(pathBox->currentText().toUtf8().constData());
}
inline void FileDialog::filterBoxChanged() {
if(lock) return;
string filters = filterBox->currentText().toUtf8().constData();
if(filters.length() == 0) {
fileSystemModel->setNameFilters(QStringList() << "*");
} else {
filters = substr(filters, strpos(filters, "("));
ltrim(filters, "(");
rtrim(filters, ")");
lstring part;
part.split(" ", filters);
QStringList list;
for(unsigned i = 0; i < part.size(); i++) list << part[i];
fileSystemModel->setNameFilters(list);
}
}
inline void FileDialog::createNewFolder() {
newFolderDialog->show();
}
inline void FileDialog::browseUp() {
if(pathBox->count() > 1) pathBox->setCurrentIndex(1);
}
inline void FileDialog::setPath(string path) {
lock = true;
newFolderDialog->close();
if(QDir(path).exists()) {
newFolderButton->setEnabled(true);
} else {
newFolderButton->setEnabled(false);
path = "";
}
fileSystemModel->setRootPath(path);
fileView->setRootIndex(fileSystemModel->index(path));
fileView->setCurrentIndex(fileView->rootIndex());
fileView->setFocus();
pathBox->clear();
if(path.length() > 0) {
QDir directory(path);
while(true) {
pathBox->addItem(directory.absolutePath());
if(directory.isRoot()) break;
directory.cdUp();
}
}
pathBox->addItem("<root>");
fileNameEdit->setText("");
lock = false;
}
inline void FileDialog::setNameFilters(const string &filters) {
lock = true;
lstring list;
list.split("\n", filters);
filterBox->clear();
for(unsigned i = 0; i < list.size(); i++) {
filterBox->addItem(list[i]);
}
lock = false;
filterBoxChanged();
}
inline void FileDialog::acceptAction() {
string path = fileSystemModel->rootPath().toUtf8().constData();
path << "/" << notdir(fileNameEdit->text().toUtf8().constData());
rtrim(path, "/");
if(QDir(path).exists()) {
emit accepted(path);
setPath(path);
} else {
emit accepted(path);
close();
}
}
inline void FileDialog::rejectAction() {
emit rejected();
close();
}
inline void FileDialog::createFolderAction(const string &name) {
string path = fileSystemModel->rootPath().toUtf8().constData();
path << "/" << notdir(name);
mkdir(path, 0755);
}
inline void FileDialog::closeEvent(QCloseEvent *event) {
newFolderDialog->close();
Window::closeEvent(event);
}
inline FileDialog::FileDialog() {
newFolderDialog = new NewFolderDialog(this);
resize(640, 360);
layout = new QVBoxLayout;
layout->setMargin(5);
layout->setSpacing(5);
setLayout(layout);
navigationLayout = new QHBoxLayout;
layout->addLayout(navigationLayout);
pathBox = new QComboBox;
pathBox->setEditable(true);
pathBox->setMinimumContentsLength(16);
pathBox->setSizeAdjustPolicy(QComboBox::AdjustToMinimumContentsLength);
pathBox->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
navigationLayout->addWidget(pathBox);
newFolderButton = new QPushButton;
newFolderButton->setIconSize(QSize(16, 16));
newFolderButton->setIcon(QIcon(":/16x16/folder-new.png"));
navigationLayout->addWidget(newFolderButton);
upFolderButton = new QPushButton;
upFolderButton->setIconSize(QSize(16, 16));
upFolderButton->setIcon(QIcon(":/16x16/go-up.png"));
navigationLayout->addWidget(upFolderButton);
browseLayout = new QHBoxLayout;
layout->addLayout(browseLayout);
fileSystemModel = new QFileSystemModel;
fileSystemModel->setFilter(QDir::AllDirs | QDir::Files | QDir::NoDotAndDotDot);
fileSystemModel->setNameFilterDisables(false);
fileView = new FileView;
fileView->setMinimumWidth(320);
fileView->setModel(fileSystemModel);
fileView->setIconSize(QSize(16, 16));
browseLayout->addWidget(fileView);
previewFrame = new QGroupBox;
previewFrame->hide();
browseLayout->addWidget(previewFrame);
fileNameEdit = new QLineEdit;
layout->addWidget(fileNameEdit);
controlLayout = new QHBoxLayout;
controlLayout->setAlignment(Qt::AlignRight);
layout->addLayout(controlLayout);
filterBox = new QComboBox;
filterBox->setMinimumContentsLength(16);
filterBox->setSizeAdjustPolicy(QComboBox::AdjustToMinimumContentsLength);
filterBox->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
controlLayout->addWidget(filterBox);
optionsButton = new QPushButton("Options");
optionsButton->hide();
controlLayout->addWidget(optionsButton);
acceptButton = new QPushButton("Ok");
controlLayout->addWidget(acceptButton);
rejectButton = new QPushButton("Cancel");
controlLayout->addWidget(rejectButton);
lock = false;
connect(pathBox, SIGNAL(currentIndexChanged(int)), this, SLOT(pathBoxChanged()));
connect(newFolderButton, SIGNAL(released()), this, SLOT(createNewFolder()));
connect(upFolderButton, SIGNAL(released()), this, SLOT(browseUp()));
connect(fileView, SIGNAL(changed(const QModelIndex&)), this, SLOT(fileViewChange(const QModelIndex&)));
connect(fileView, SIGNAL(activated(const QModelIndex&)), this, SLOT(fileViewActivate(const QModelIndex&)));
connect(fileView, SIGNAL(browseUp()), this, SLOT(browseUp()));
connect(fileNameEdit, SIGNAL(returnPressed()), this, SLOT(acceptAction()));
connect(filterBox, SIGNAL(currentIndexChanged(int)), this, SLOT(filterBoxChanged()));
connect(acceptButton, SIGNAL(released()), this, SLOT(acceptAction()));
connect(rejectButton, SIGNAL(released()), this, SLOT(rejectAction()));
}
}
#endif

173
snesfilter/nall/qt/hex-editor.moc.hpp
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#ifndef NALL_QT_HEXEDITOR_HPP
#define NALL_QT_HEXEDITOR_HPP
#include <nall/function.hpp>
#include <nall/stdint.hpp>
#include <nall/string.hpp>
namespace nall {
class HexEditor : public QTextEdit {
Q_OBJECT
public:
function<uint8_t (unsigned)> reader;
function<void (unsigned, uint8_t)> writer;
void setColumns(unsigned columns);
void setRows(unsigned rows);
void setOffset(unsigned offset);
void setSize(unsigned size);
unsigned lineWidth() const;
void refresh();
HexEditor();
protected slots:
void scrolled();
protected:
QHBoxLayout *layout;
QScrollBar *scrollBar;
unsigned editorColumns;
unsigned editorRows;
unsigned editorOffset;
unsigned editorSize;
bool lock;
void keyPressEvent(QKeyEvent*);
};
inline void HexEditor::keyPressEvent(QKeyEvent *event) {
QTextCursor cursor = textCursor();
unsigned x = cursor.position() % lineWidth();
unsigned y = cursor.position() / lineWidth();
int hexCode = -1;
switch(event->key()) {
case Qt::Key_0: hexCode = 0; break;
case Qt::Key_1: hexCode = 1; break;
case Qt::Key_2: hexCode = 2; break;
case Qt::Key_3: hexCode = 3; break;
case Qt::Key_4: hexCode = 4; break;
case Qt::Key_5: hexCode = 5; break;
case Qt::Key_6: hexCode = 6; break;
case Qt::Key_7: hexCode = 7; break;
case Qt::Key_8: hexCode = 8; break;
case Qt::Key_9: hexCode = 9; break;
case Qt::Key_A: hexCode = 10; break;
case Qt::Key_B: hexCode = 11; break;
case Qt::Key_C: hexCode = 12; break;
case Qt::Key_D: hexCode = 13; break;
case Qt::Key_E: hexCode = 14; break;
case Qt::Key_F: hexCode = 15; break;
}
if(cursor.hasSelection() == false && hexCode != -1) {
bool cursorOffsetValid = (x >= 11 && ((x - 11) % 3) != 2);
if(cursorOffsetValid) {
bool nibble = (x - 11) % 3; //0 = top nibble, 1 = bottom nibble
unsigned cursorOffset = y * editorColumns + ((x - 11) / 3);
unsigned effectiveOffset = editorOffset + cursorOffset;
if(effectiveOffset >= editorSize) effectiveOffset %= editorSize;
uint8_t data = reader ? reader(effectiveOffset) : 0x00;
data &= (nibble == 0 ? 0x0f : 0xf0);
data |= (nibble == 0 ? (hexCode << 4) : (hexCode << 0));
if(writer) writer(effectiveOffset, data);
refresh();
cursor.setPosition(y * lineWidth() + x + 1); //advance cursor
setTextCursor(cursor);
}
} else {
//allow navigation keys to move cursor, but block text input
setTextInteractionFlags(Qt::TextSelectableByKeyboard | Qt::TextSelectableByMouse);
QTextEdit::keyPressEvent(event);
setTextInteractionFlags(Qt::TextEditorInteraction);
}
}
inline void HexEditor::setColumns(unsigned columns) {
editorColumns = columns;
}
inline void HexEditor::setRows(unsigned rows) {
editorRows = rows;
scrollBar->setPageStep(editorRows);
}
inline void HexEditor::setOffset(unsigned offset) {
lock = true;
editorOffset = offset;
scrollBar->setSliderPosition(editorOffset / editorColumns);
lock = false;
}
inline void HexEditor::setSize(unsigned size) {
editorSize = size;
bool indivisible = (editorSize % editorColumns) != 0; //add one for incomplete row
scrollBar->setRange(0, editorSize / editorColumns + indivisible - editorRows);
}
inline unsigned HexEditor::lineWidth() const {
return 11 + 3 * editorColumns;
}
inline void HexEditor::refresh() {
string output;
char temp[256];
unsigned offset = editorOffset;
for(unsigned y = 0; y < editorRows; y++) {
if(offset >= editorSize) break;
sprintf(temp, "%.4x:%.4x", (offset >> 16) & 0xffff, (offset >> 0) & 0xffff);
output << "<font color='#808080'>" << temp << "</font>&nbsp;&nbsp;";
for(unsigned x = 0; x < editorColumns; x++) {
if(offset >= editorSize) break;
sprintf(temp, "%.2x", reader ? reader(offset) : 0x00);
offset++;
output << "<font color='" << ((x & 1) ? "#000080" : "#0000ff") << "'>" << temp << "</font>";
if(x != (editorColumns - 1)) output << "&nbsp;";
}
if(y != (editorRows - 1)) output << "<br>";
}
setHtml(output);
}
inline void HexEditor::scrolled() {
if(lock) return;
unsigned offset = scrollBar->sliderPosition();
editorOffset = offset * editorColumns;
refresh();
}
inline HexEditor::HexEditor() {
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
layout = new QHBoxLayout;
layout->setAlignment(Qt::AlignRight);
layout->setMargin(0);
layout->setSpacing(0);
setLayout(layout);
scrollBar = new QScrollBar(Qt::Vertical);
scrollBar->setSingleStep(1);
layout->addWidget(scrollBar);
lock = false;
connect(scrollBar, SIGNAL(actionTriggered(int)), this, SLOT(scrolled()));
setColumns(16);
setRows(16);
setSize(0);
setOffset(0);
}
}
#endif

41
snesfilter/nall/qt/radio-action.moc.hpp
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#ifndef NALL_QT_RADIOACTION_HPP
#define NALL_QT_RADIOACTION_HPP
namespace nall {
class RadioAction : public QAction {
Q_OBJECT
public:
bool isChecked() const;
void setChecked(bool);
void toggleChecked();
RadioAction(const QString&, QObject*);
protected slots:
protected:
bool checked;
};
inline bool RadioAction::isChecked() const {
return checked;
}
inline void RadioAction::setChecked(bool checked_) {
checked = checked_;
if(checked) setIcon(QIcon(":/16x16/item-radio-on.png"));
else setIcon(QIcon(":/16x16/item-radio-off.png"));
}
inline void RadioAction::toggleChecked() {
setChecked(!isChecked());
}
inline RadioAction::RadioAction(const QString &text, QObject *parent) : QAction(text, parent) {
setChecked(false);
}
}
#endif

105
snesfilter/nall/qt/window.moc.hpp
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#ifndef NALL_QT_WINDOW_HPP
#define NALL_QT_WINDOW_HPP
#include <nall/base64.hpp>
#include <nall/string.hpp>
namespace nall {
class Window : public QWidget {
Q_OBJECT
public:
void setGeometryString(string *geometryString);
void setCloseOnEscape(bool);
void show();
void hide();
void shrink();
Window();
protected slots:
protected:
string *geometryString;
bool closeOnEscape;
void keyReleaseEvent(QKeyEvent *event);
void closeEvent(QCloseEvent *event);
};
inline void Window::setGeometryString(string *geometryString_) {
geometryString = geometryString_;
if(geometryString && isVisible() == false) {
uint8_t *data;
unsigned length;
base64::decode(data, length, *geometryString);
QByteArray array((const char*)data, length);
delete[] data;
restoreGeometry(array);
}
}
inline void Window::setCloseOnEscape(bool value) {
closeOnEscape = value;
}
inline void Window::show() {
if(geometryString && isVisible() == false) {
uint8_t *data;
unsigned length;
base64::decode(data, length, *geometryString);
QByteArray array((const char*)data, length);
delete[] data;
restoreGeometry(array);
}
QWidget::show();
QApplication::processEvents();
activateWindow();
raise();
}
inline void Window::hide() {
if(geometryString && isVisible() == true) {
char *data;
QByteArray geometry = saveGeometry();
base64::encode(data, (const uint8_t*)geometry.data(), geometry.length());
*geometryString = data;
delete[] data;
}
QWidget::hide();
}
inline void Window::shrink() {
if(isFullScreen()) return;
for(unsigned i = 0; i < 2; i++) {
resize(0, 0);
usleep(2000);
QApplication::processEvents();
}
}
inline void Window::keyReleaseEvent(QKeyEvent *event) {
if(closeOnEscape && (event->key() == Qt::Key_Escape)) close();
QWidget::keyReleaseEvent(event);
}
inline void Window::closeEvent(QCloseEvent *event) {
if(geometryString) {
char *data;
QByteArray geometry = saveGeometry();
base64::encode(data, (const uint8_t*)geometry.data(), geometry.length());
*geometryString = data;
delete[] data;
}
QWidget::closeEvent(event);
}
inline Window::Window() {
geometryString = 0;
closeOnEscape = true;
}
}
#endif

80
snesfilter/nall/serial.hpp
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#ifndef NALL_SERIAL_HPP
#define NALL_SERIAL_HPP
#include <sys/ioctl.h>
#include <fcntl.h>
#include <termios.h>
#include <unistd.h>
#include <nall/stdint.hpp>
namespace nall {
class serial {
public:
//-1 on error, otherwise return bytes read
int read(uint8_t *data, unsigned length) {
if(port_open == false) return -1;
return ::read(port, (void*)data, length);
}
//-1 on error, otherwise return bytes written
int write(const uint8_t *data, unsigned length) {
if(port_open == false) return -1;
return ::write(port, (void*)data, length);
}
bool open(const char *portname, unsigned rate) {
close();
port = ::open(portname, O_RDWR | O_NOCTTY | O_NDELAY | O_NONBLOCK);
if(port == -1) return false;
if(ioctl(port, TIOCEXCL) == -1) { close(); return false; }
if(fcntl(port, F_SETFL, 0) == -1) { close(); return false; }
if(tcgetattr(port, &original_attr) == -1) { close(); return false; }
termios attr = original_attr;
cfmakeraw(&attr);
cfsetspeed(&attr, rate);
attr.c_lflag &=~ (ECHO | ECHONL | ISIG | ICANON | IEXTEN);
attr.c_iflag &=~ (BRKINT | PARMRK | INPCK | ISTRIP | INLCR | IGNCR | ICRNL | IXON | IXOFF | IXANY);
attr.c_iflag |= (IGNBRK | IGNPAR);
attr.c_oflag &=~ (OPOST);
attr.c_cflag &=~ (CSIZE | CSTOPB | PARENB);
attr.c_cflag |= (CS8 | CREAD | CLOCAL);
attr.c_cc[VTIME] = attr.c_cc[VMIN] = 0;
if(tcsetattr(port, TCSANOW, &attr) == -1) { close(); return false; }
return port_open = true;
}
void close() {
if(port != -1) {
tcdrain(port);
if(port_open == true) {
tcsetattr(port, TCSANOW, &original_attr);
port_open = false;
}
::close(port);
port = -1;
}
}
serial() {
port = -1;
port_open = false;
}
~serial() {
close();
}
private:
int port;
bool port_open;
termios original_attr;
};
}
#endif

143
snesfilter/nall/serializer.hpp
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#ifndef NALL_SERIALIZER_HPP
#define NALL_SERIALIZER_HPP
#include <nall/stdint.hpp>
#include <nall/traits.hpp>
#include <nall/utility.hpp>
namespace nall {
//serializer: a class designed to save and restore the state of classes.
//
//benefits:
//- data() will be portable in size (it is not necessary to specify type sizes.)
//- data() will be portable in endianness (always stored internally as little-endian.)
//- one serialize function can both save and restore class states.
//
//caveats:
//- only plain-old-data can be stored. complex classes must provide serialize(serializer&);
//- floating-point usage is not portable across platforms
class serializer {
public:
enum mode_t { Load, Save, Size };
mode_t mode() const {
return imode;
}
const uint8_t* data() const {
return idata;
}
unsigned size() const {
return isize;
}
unsigned capacity() const {
return icapacity;
}
template<typename T> void floatingpoint(T &value) {
enum { size = sizeof(T) };
//this is rather dangerous, and not cross-platform safe;
//but there is no standardized way to export FP-values
uint8_t *p = (uint8_t*)&value;
if(imode == Save) {
for(unsigned n = 0; n < size; n++) idata[isize++] = p[n];
} else if(imode == Load) {
for(unsigned n = 0; n < size; n++) p[n] = idata[isize++];
} else {
isize += size;
}
}
template<typename T> void integer(T &value) {
enum { size = is_bool<T>::value ? 1 : sizeof(T) };
if(imode == Save) {
for(unsigned n = 0; n < size; n++) idata[isize++] = value >> (n << 3);
} else if(imode == Load) {
value = 0;
for(unsigned n = 0; n < size; n++) value |= idata[isize++] << (n << 3);
} else if(imode == Size) {
isize += size;
}
}
template<typename T> void array(T &array) {
enum { size = sizeof(T) / sizeof(typename remove_extent<T>::type) };
for(unsigned n = 0; n < size; n++) integer(array[n]);
}
template<typename T> void array(T array, unsigned size) {
for(unsigned n = 0; n < size; n++) integer(array[n]);
}
//copy
serializer& operator=(const serializer &s) {
if(idata) delete[] idata;
imode = s.imode;
idata = new uint8_t[s.icapacity];
isize = s.isize;
icapacity = s.icapacity;
memcpy(idata, s.idata, s.icapacity);
return *this;
}
serializer(const serializer &s) : idata(0) {
operator=(s);
}
//move
serializer& operator=(serializer &&s) {
if(idata) delete[] idata;
imode = s.imode;
idata = s.idata;
isize = s.isize;
icapacity = s.icapacity;
s.idata = 0;
return *this;
}
serializer(serializer &&s) {
operator=(move(s));
}
//construction
serializer() {
imode = Size;
idata = 0;
isize = 0;
}
serializer(unsigned capacity) {
imode = Save;
idata = new uint8_t[capacity]();
isize = 0;
icapacity = capacity;
}
serializer(const uint8_t *data, unsigned capacity) {
imode = Load;
idata = new uint8_t[capacity];
isize = 0;
icapacity = capacity;
memcpy(idata, data, capacity);
}
~serializer() {
if(idata) delete[] idata;
}
private:
mode_t imode;
uint8_t *idata;
unsigned isize;
unsigned icapacity;
};
};
#endif

143
snesfilter/nall/sha256.hpp
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#ifndef NALL_SHA256_HPP
#define NALL_SHA256_HPP
//author: vladitx
namespace nall {
#define PTR(t, a) ((t*)(a))
#define SWAP32(x) ((uint32_t)( \
(((uint32_t)(x) & 0x000000ff) << 24) | \
(((uint32_t)(x) & 0x0000ff00) << 8) | \
(((uint32_t)(x) & 0x00ff0000) >> 8) | \
(((uint32_t)(x) & 0xff000000) >> 24) \
))
#define ST32(a, d) *PTR(uint32_t, a) = (d)
#define ST32BE(a, d) ST32(a, SWAP32(d))
#define LD32(a) *PTR(uint32_t, a)
#define LD32BE(a) SWAP32(LD32(a))
#define LSL32(x, n) ((uint32_t)(x) << (n))
#define LSR32(x, n) ((uint32_t)(x) >> (n))
#define ROR32(x, n) (LSR32(x, n) | LSL32(x, 32 - (n)))
//first 32 bits of the fractional parts of the square roots of the first 8 primes 2..19
static const uint32_t T_H[8] = {
0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19,
};
//first 32 bits of the fractional parts of the cube roots of the first 64 primes 2..311
static const uint32_t T_K[64] = {
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2,
};
struct sha256_ctx {
uint8_t in[64];
unsigned inlen;
uint32_t w[64];
uint32_t h[8];
uint64_t len;
};
void sha256_init(sha256_ctx *p) {
memset(p, 0, sizeof(sha256_ctx));
memcpy(p->h, T_H, sizeof(T_H));
}
static void sha256_block(sha256_ctx *p) {
unsigned i;
uint32_t s0, s1;
uint32_t a, b, c, d, e, f, g, h;
uint32_t t1, t2, maj, ch;
for(i = 0; i < 16; i++) p->w[i] = LD32BE(p->in + i * 4);
for(i = 16; i < 64; i++) {
s0 = ROR32(p->w[i - 15], 7) ^ ROR32(p->w[i - 15], 18) ^ LSR32(p->w[i - 15], 3);
s1 = ROR32(p->w[i - 2], 17) ^ ROR32(p->w[i - 2], 19) ^ LSR32(p->w[i - 2], 10);
p->w[i] = p->w[i - 16] + s0 + p->w[i - 7] + s1;
}
a = p->h[0]; b = p->h[1]; c = p->h[2]; d = p->h[3];
e = p->h[4]; f = p->h[5]; g = p->h[6]; h = p->h[7];
for(i = 0; i < 64; i++) {
s0 = ROR32(a, 2) ^ ROR32(a, 13) ^ ROR32(a, 22);
maj = (a & b) ^ (a & c) ^ (b & c);
t2 = s0 + maj;
s1 = ROR32(e, 6) ^ ROR32(e, 11) ^ ROR32(e, 25);
ch = (e & f) ^ (~e & g);
t1 = h + s1 + ch + T_K[i] + p->w[i];
h = g; g = f; f = e; e = d + t1;
d = c; c = b; b = a; a = t1 + t2;
}
p->h[0] += a; p->h[1] += b; p->h[2] += c; p->h[3] += d;
p->h[4] += e; p->h[5] += f; p->h[6] += g; p->h[7] += h;
//next block
p->inlen = 0;
}
void sha256_chunk(sha256_ctx *p, const uint8_t *s, unsigned len) {
unsigned l;
p->len += len;
while(len) {
l = 64 - p->inlen;
l = (len < l) ? len : l;
memcpy(p->in + p->inlen, s, l);
s += l;
p->inlen += l;
len -= l;
if(p->inlen == 64) sha256_block(p);
}
}
void sha256_final(sha256_ctx *p) {
uint64_t len;
p->in[p->inlen++] = 0x80;
if(p->inlen > 56) {
memset(p->in + p->inlen, 0, 64 - p->inlen);
sha256_block(p);
}
memset(p->in + p->inlen, 0, 56 - p->inlen);
len = p->len << 3;
ST32BE(p->in + 56, len >> 32);
ST32BE(p->in + 60, len);
sha256_block(p);
}
void sha256_hash(sha256_ctx *p, uint8_t *s) {
uint32_t *t = (uint32_t*)s;
for(unsigned i = 0; i < 8; i++) ST32BE(t++, p->h[i]);
}
#undef PTR
#undef SWAP32
#undef ST32
#undef ST32BE
#undef LD32
#undef LD32BE
#undef LSL32
#undef LSR32
#undef ROR32
}
#endif

62
snesfilter/nall/sort.hpp
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#ifndef NALL_SORT_HPP
#define NALL_SORT_HPP
#include <nall/utility.hpp>
//class: merge sort
//average: O(n log n)
//worst: O(n log n)
//memory: O(n)
//stack: O(log n)
//stable?: yes
//notes:
//there are two primary reasons for choosing merge sort
//over the (usually) faster quick sort*:
//1: it is a stable sort.
//2: it lacks O(n^2) worst-case overhead.
//(* which is also O(n log n) in the average case.)
namespace nall {
template<typename T>
void sort(T list[], unsigned length) {
if(length <= 1) return; //nothing to sort
//use insertion sort to quickly sort smaller blocks
if(length < 64) {
for(unsigned i = 0; i < length; i++) {
unsigned min = i;
for(unsigned j = i + 1; j < length; j++) {
if(list[j] < list[min]) min = j;
}
if(min != i) swap(list[i], list[min]);
}
return;
}
//split list in half and recursively sort both
unsigned middle = length / 2;
sort(list, middle);
sort(list + middle, length - middle);
//left and right are sorted here; perform merge sort
T *buffer = new T[length];
unsigned offset = 0;
unsigned left = 0;
unsigned right = middle;
while(left < middle && right < length) {
if(list[left] < list[right]) {
buffer[offset++] = list[left++];
} else {
buffer[offset++] = list[right++];
}
}
while(left < middle) buffer[offset++] = list[left++];
while(right < length) buffer[offset++] = list[right++];
for(unsigned i = 0; i < length; i++) list[i] = buffer[i];
delete[] buffer;
}
}
#endif

20
snesfilter/nall/static.hpp
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#ifndef NALL_STATIC_HPP
#define NALL_STATIC_HPP
namespace nall {
template<bool C, typename T, typename F> struct static_if { typedef T type; };
template<typename T, typename F> struct static_if<false, T, F> { typedef F type; };
template<typename C, typename T, typename F> struct mp_static_if { typedef typename static_if<C::type, T, F>::type type; };
template<bool A, bool B> struct static_and { enum { value = false }; };
template<> struct static_and<true, true> { enum { value = true }; };
template<typename A, typename B> struct mp_static_and { enum { value = static_and<A::value, B::value>::value }; };
template<bool A, bool B> struct static_or { enum { value = false }; };
template<> struct static_or<false, true> { enum { value = true }; };
template<> struct static_or<true, false> { enum { value = true }; };
template<> struct static_or<true, true> { enum { value = true }; };
template<typename A, typename B> struct mp_static_or { enum { value = static_or<A::value, B::value>::value }; };
}
#endif

44
snesfilter/nall/stdint.hpp
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#ifndef NALL_STDINT_HPP
#define NALL_STDINT_HPP
#include <nall/static.hpp>
#if defined(_MSC_VER)
typedef signed char int8_t;
typedef signed short int16_t;
typedef signed int int32_t;
typedef signed long long int64_t;
typedef int64_t intmax_t;
#if defined(_WIN64)
typedef int64_t intptr_t;
#else
typedef int32_t intptr_t;
#endif
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
typedef unsigned long long uint64_t;
typedef uint64_t uintmax_t;
#if defined(_WIN64)
typedef uint64_t uintptr_t;
#else
typedef uint32_t uintptr_t;
#endif
#else
#include <stdint.h>
#endif
namespace nall {
static_assert(sizeof(int8_t) == 1, "int8_t is not of the correct size" );
static_assert(sizeof(int16_t) == 2, "int16_t is not of the correct size");
static_assert(sizeof(int32_t) == 4, "int32_t is not of the correct size");
static_assert(sizeof(int64_t) == 8, "int64_t is not of the correct size");
static_assert(sizeof(uint8_t) == 1, "int8_t is not of the correct size" );
static_assert(sizeof(uint16_t) == 2, "int16_t is not of the correct size");
static_assert(sizeof(uint32_t) == 4, "int32_t is not of the correct size");
static_assert(sizeof(uint64_t) == 8, "int64_t is not of the correct size");
}
#endif

26
snesfilter/nall/string.hpp
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#ifndef NALL_STRING_HPP
#define NALL_STRING_HPP
#include <initializer_list>
#include <nall/string/base.hpp>
#include <nall/string/core.hpp>
#include <nall/string/cast.hpp>
#include <nall/string/compare.hpp>
#include <nall/string/convert.hpp>
#include <nall/string/filename.hpp>
#include <nall/string/match.hpp>
#include <nall/string/math.hpp>
#include <nall/string/strl.hpp>
#include <nall/string/trim.hpp>
#include <nall/string/replace.hpp>
#include <nall/string/split.hpp>
#include <nall/string/utility.hpp>
#include <nall/string/variadic.hpp>
#include <nall/string/xml.hpp>
namespace nall {
template<> struct has_length<string> { enum { value = true }; };
template<> struct has_size<lstring> { enum { value = true }; };
}
#endif

126
snesfilter/nall/string/base.hpp
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#ifndef NALL_STRING_BASE_HPP
#define NALL_STRING_BASE_HPP
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <nall/concept.hpp>
#include <nall/stdint.hpp>
#include <nall/utf8.hpp>
#include <nall/vector.hpp>
inline char chrlower(char c);
inline char chrupper(char c);
inline int stricmp(const char *dest, const char *src);
inline int strpos (const char *str, const char *key);
inline int qstrpos(const char *str, const char *key);
inline bool strbegin (const char *str, const char *key);
inline bool stribegin(const char *str, const char *key);
inline bool strend (const char *str, const char *key);
inline bool striend(const char *str, const char *key);
inline char* strlower(char *str);
inline char* strupper(char *str);
inline char* strtr(char *dest, const char *before, const char *after);
inline uintmax_t strhex (const char *str);
inline intmax_t strsigned (const char *str);
inline uintmax_t strunsigned(const char *str);
inline uintmax_t strbin (const char *str);
inline double strdouble (const char *str);
inline bool match(const char *pattern, const char *str);
inline bool strint (const char *str, int &result);
inline bool strmath(const char *str, int &result);
inline size_t strlcpy(char *dest, const char *src, size_t length);
inline size_t strlcat(char *dest, const char *src, size_t length);
inline char* ltrim(char *str, const char *key = " ");
inline char* rtrim(char *str, const char *key = " ");
inline char* trim (char *str, const char *key = " ");
inline char* ltrim_once(char *str, const char *key = " ");
inline char* rtrim_once(char *str, const char *key = " ");
inline char* trim_once (char *str, const char *key = " ");
namespace nall {
class string;
template<typename T> inline string to_string(T);
class string {
public:
inline void reserve(size_t);
inline unsigned length() const;
inline string& assign(const char*);
inline string& append(const char*);
template<typename T> inline string& operator= (T value);
template<typename T> inline string& operator<<(T value);
inline operator const char*() const;
inline char* operator()();
inline char& operator[](int);
inline bool operator==(const char*) const;
inline bool operator!=(const char*) const;
inline bool operator< (const char*) const;
inline bool operator<=(const char*) const;
inline bool operator> (const char*) const;
inline bool operator>=(const char*) const;
inline string();
inline string(const char*);
inline string(const string&);
inline string(string&&);
inline string& operator=(const string&);
inline string& operator=(string&&);
inline ~string();
inline bool readfile(const char*);
inline string& replace (const char*, const char*);
inline string& qreplace(const char*, const char*);
protected:
char *data;
size_t size;
#if defined(QT_CORE_LIB)
public:
inline operator QString() const;
#endif
};
class lstring : public linear_vector<string> {
public:
template<typename T> inline lstring& operator<<(T value);
inline int find(const char*);
inline void split (const char*, const char*, unsigned = 0);
inline void qsplit(const char*, const char*, unsigned = 0);
lstring();
lstring(std::initializer_list<string>);
};
template<typename... Args> inline string sprint(const char *s, Args... args);
template<typename... Args> inline void print(const char *s, Args... args);
};
inline size_t strlcpy(nall::string &dest, const char *src, size_t length);
inline size_t strlcat(nall::string &dest, const char *src, size_t length);
inline nall::string& strlower(nall::string &str);
inline nall::string& strupper(nall::string &str);
inline nall::string& strtr(nall::string &dest, const char *before, const char *after);
inline nall::string& ltrim(nall::string &str, const char *key = " ");
inline nall::string& rtrim(nall::string &str, const char *key = " ");
inline nall::string& trim (nall::string &str, const char *key = " ");
inline nall::string& ltrim_once(nall::string &str, const char *key = " ");
inline nall::string& rtrim_once(nall::string &str, const char *key = " ");
inline nall::string& trim_once (nall::string &str, const char *key = " ");
inline nall::string substr(const char *src, size_t start = 0, size_t length = 0);
template<unsigned length = 0, char padding = '0'> inline nall::string strhex(uintmax_t value);
template<unsigned length = 0, char padding = '0'> inline nall::string strsigned(intmax_t value);
template<unsigned length = 0, char padding = '0'> inline nall::string strunsigned(uintmax_t value);
template<unsigned length = 0, char padding = '0'> inline nall::string strbin(uintmax_t value);
inline size_t strdouble(char *str, double value);
inline nall::string strdouble(double value);
#endif

29
snesfilter/nall/string/cast.hpp
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#ifndef NALL_STRING_CAST_HPP
#define NALL_STRING_CAST_HPP
namespace nall {
//this is needed, as C++0x does not support explicit template specialization inside classes
template<> inline string to_string<bool> (bool v) { return v ? "true" : "false"; }
template<> inline string to_string<signed int> (signed int v) { return strsigned(v); }
template<> inline string to_string<unsigned int> (unsigned int v) { return strunsigned(v); }
template<> inline string to_string<double> (double v) { return strdouble(v); }
template<> inline string to_string<char*> (char *v) { return v; }
template<> inline string to_string<const char*> (const char *v) { return v; }
template<> inline string to_string<string> (string v) { return v; }
template<> inline string to_string<const string&>(const string &v) { return v; }
template<typename T> string& string::operator= (T value) { return assign(to_string<T>(value)); }
template<typename T> string& string::operator<<(T value) { return append(to_string<T>(value)); }
template<typename T> lstring& lstring::operator<<(T value) {
operator[](size()).assign(to_string<T>(value));
return *this;
}
#if defined(QT_CORE_LIB)
template<> inline string to_string<const QString&>(const QString &v) { return v.toUtf8().constData(); }
string::operator QString() const { return QString::fromUtf8(*this); }
#endif
}
#endif

100
snesfilter/nall/string/compare.hpp
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#ifndef NALL_STRING_COMPARE_HPP
#define NALL_STRING_COMPARE_HPP
char chrlower(char c) {
return (c >= 'A' && c <= 'Z') ? c + ('a' - 'A') : c;
}
char chrupper(char c) {
return (c >= 'a' && c <= 'z') ? c - ('a' - 'A') : c;
}
int stricmp(const char *dest, const char *src) {
while(*dest) {
if(chrlower(*dest) != chrlower(*src)) break;
dest++;
src++;
}
return (int)chrlower(*dest) - (int)chrlower(*src);
}
int strpos(const char *str, const char *key) {
int ssl = strlen(str), ksl = strlen(key);
if(ksl > ssl) return -1;
for(int i = 0; i <= ssl - ksl; i++) {
if(!memcmp(str + i, key, ksl)) {
return i;
}
}
return -1;
}
int qstrpos(const char *str, const char *key) {
int ssl = strlen(str), ksl = strlen(key);
if(ksl > ssl) return -1;
for(int i = 0; i <= ssl - ksl;) {
uint8_t x = str[i];
if(x == '\"' || x == '\'') {
uint8_t z = i++;
while(str[i] != x && i < ssl) i++;
if(i >= ssl) i = z;
}
if(!memcmp(str + i, key, ksl)) {
return i;
} else {
i++;
}
}
return -1;
}
bool strbegin(const char *str, const char *key) {
int i, ssl = strlen(str), ksl = strlen(key);
if(ksl > ssl) return false;
return (!memcmp(str, key, ksl));
}
bool stribegin(const char *str, const char *key) {
int ssl = strlen(str), ksl = strlen(key);
if(ksl > ssl) return false;
for(int i = 0; i < ksl; i++) {
if(str[i] >= 'A' && str[i] <= 'Z') {
if(str[i] != key[i] && str[i]+0x20 != key[i])return false;
} else if(str[i] >= 'a' && str[i] <= 'z') {
if(str[i] != key[i] && str[i]-0x20 != key[i])return false;
} else {
if(str[i] != key[i])return false;
}
}
return true;
}
bool strend(const char *str, const char *key) {
int ssl = strlen(str), ksl = strlen(key);
if(ksl > ssl) return false;
return (!memcmp(str + ssl - ksl, key, ksl));
}
bool striend(const char *str, const char *key) {
int ssl = strlen(str), ksl = strlen(key);
if(ksl > ssl) return false;
for(int i = ssl - ksl, z = 0; i < ssl; i++, z++) {
if(str[i] >= 'A' && str[i] <= 'Z') {
if(str[i] != key[z] && str[i]+0x20 != key[z])return false;
} else if(str[i] >= 'a' && str[i] <= 'z') {
if(str[i] != key[z] && str[i]-0x20 != key[z])return false;
} else {
if(str[i] != key[z])return false;
}
}
return true;
}
#endif

149
snesfilter/nall/string/convert.hpp
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#ifndef NALL_STRING_CONVERT_HPP
#define NALL_STRING_CONVERT_HPP
char* strlower(char *str) {
if(!str) return 0;
int i = 0;
while(str[i]) {
str[i] = chrlower(str[i]);
i++;
}
return str;
}
char* strupper(char *str) {
if(!str) return 0;
int i = 0;
while(str[i]) {
str[i] = chrupper(str[i]);
i++;
}
return str;
}
char* strtr(char *dest, const char *before, const char *after) {
if(!dest || !before || !after) return dest;
int sl = strlen(dest), bsl = strlen(before), asl = strlen(after);
if(bsl != asl || bsl == 0) return dest; //patterns must be the same length for 1:1 replace
for(unsigned i = 0; i < sl; i++) {
for(unsigned l = 0; l < bsl; l++) {
if(dest[i] == before[l]) {
dest[i] = after[l];
break;
}
}
}
return dest;
}
uintmax_t strhex(const char *str) {
if(!str) return 0;
uintmax_t result = 0;
//skip hex identifiers 0x and $, if present
if(*str == '0' && (*(str + 1) == 'X' || *(str + 1) == 'x')) str += 2;
else if(*str == '$') str++;
while(*str) {
uint8_t x = *str++;
if(x >= '0' && x <= '9') x -= '0';
else if(x >= 'A' && x <= 'F') x -= 'A' - 10;
else if(x >= 'a' && x <= 'f') x -= 'a' - 10;
else break; //stop at first invalid character
result = result * 16 + x;
}
return result;
}
intmax_t strsigned(const char *str) {
if(!str) return 0;
intmax_t result = 0;
bool negate = false;
//check for negation
if(*str == '-') {
negate = true;
str++;
}
while(*str) {
uint8_t x = *str++;
if(x >= '0' && x <= '9') x -= '0';
else break; //stop at first invalid character
result = result * 10 + x;
}
return !negate ? result : -result;
}
uintmax_t strunsigned(const char *str) {
if(!str) return 0;
uintmax_t result = 0;
while(*str) {
uint8_t x = *str++;
if(x >= '0' && x <= '9') x -= '0';
else break; //stop at first invalid character
result = result * 10 + x;
}
return result;
}
uintmax_t strbin(const char *str) {
if(!str) return 0;
uintmax_t result = 0;
//skip bin identifiers 0b and %, if present
if(*str == '0' && (*(str + 1) == 'B' || *(str + 1) == 'b')) str += 2;
else if(*str == '%') str++;
while(*str) {
uint8_t x = *str++;
if(x == '0' || x == '1') x -= '0';
else break; //stop at first invalid character
result = result * 2 + x;
}
return result;
}
double strdouble(const char *str) {
if(!str) return 0.0;
bool negate = false;
//check for negation
if(*str == '-') {
negate = true;
str++;
}
intmax_t result_integral = 0;
while(*str) {
uint8_t x = *str++;
if(x >= '0' && x <= '9') x -= '0';
else if(x == '.') break; //break loop and read fractional part
else return (double)result_integral; //invalid value, assume no fractional part
result_integral = result_integral * 10 + x;
}
intmax_t result_fractional = 0;
while(*str) {
uint8_t x = *str++;
if(x >= '0' && x <= '9') x -= '0';
else break; //stop at first invalid character
result_fractional = result_fractional * 10 + x;
}
//calculate fractional portion
double result = (double)result_fractional;
while((uintmax_t)result > 0) result /= 10.0;
result += (double)result_integral;
return !negate ? result : -result;
}
#endif

132
snesfilter/nall/string/core.hpp
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@ -1,132 +0,0 @@
#ifndef NALL_STRING_CORE_HPP
#define NALL_STRING_CORE_HPP
namespace nall {
void string::reserve(size_t size_) {
if(size_ > size) {
size = size_;
data = (char*)realloc(data, size + 1);
data[size] = 0;
}
}
unsigned string::length() const {
return strlen(data);
}
string& string::assign(const char *s) {
unsigned length = strlen(s);
reserve(length);
strcpy(data, s);
return *this;
}
string& string::append(const char *s) {
unsigned length = strlen(data) + strlen(s);
reserve(length);
strcat(data, s);
return *this;
}
string::operator const char*() const {
return data;
}
char* string::operator()() {
return data;
}
char& string::operator[](int index) {
reserve(index);
return data[index];
}
bool string::operator==(const char *str) const { return strcmp(data, str) == 0; }
bool string::operator!=(const char *str) const { return strcmp(data, str) != 0; }
bool string::operator< (const char *str) const { return strcmp(data, str) < 0; }
bool string::operator<=(const char *str) const { return strcmp(data, str) <= 0; }
bool string::operator> (const char *str) const { return strcmp(data, str) > 0; }
bool string::operator>=(const char *str) const { return strcmp(data, str) >= 0; }
string::string() {
size = 64;
data = (char*)malloc(size + 1);
*data = 0;
}
string::string(const char *value) {
size = strlen(value);
data = strdup(value);
}
string::string(const string &value) {
size = strlen(value);
data = strdup(value);
}
string::string(string &&source) {
size = source.size;
data = source.data;
source.data = 0;
}
string& string::operator=(const string &value) {
assign(value);
return *this;
}
string& string::operator=(string &&source) {
if(data) free(data);
size = source.size;
data = source.data;
source.data = 0;
return *this;
}
string::~string() {
free(data);
}
bool string::readfile(const char *filename) {
assign("");
#if !defined(_WIN32)
FILE *fp = fopen(filename, "rb");
#else
FILE *fp = _wfopen(nall::utf16_t(filename), L"rb");
#endif
if(!fp) return false;
fseek(fp, 0, SEEK_END);
size_t size = ftell(fp);
rewind(fp);
char *fdata = new char[size + 1];
unsigned unused = fread(fdata, 1, size, fp);
fclose(fp);
fdata[size] = 0;
assign(fdata);
delete[] fdata;
return true;
}
int lstring::find(const char *key) {
for(unsigned i = 0; i < size(); i++) {
if(operator[](i) == key) return i;
}
return -1;
}
inline lstring::lstring() {
}
inline lstring::lstring(std::initializer_list<string> list) {
for(const string *s = list.begin(); s != list.end(); ++s) {
operator<<(*s);
}
}
}
#endif

60
snesfilter/nall/string/filename.hpp
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@ -1,60 +0,0 @@
#ifndef NALL_FILENAME_HPP
#define NALL_FILENAME_HPP
namespace nall {
// "foo/bar.c" -> "foo/", "bar.c" -> "./"
inline string dir(char const *name) {
string result = name;
for(signed i = strlen(result); i >= 0; i--) {
if(result[i] == '/' || result[i] == '\\') {
result[i + 1] = 0;
break;
}
if(i == 0) result = "./";
}
return result;
}
// "foo/bar.c" -> "bar.c"
inline string notdir(char const *name) {
for(signed i = strlen(name); i >= 0; i--) {
if(name[i] == '/' || name[i] == '\\') {
name += i + 1;
break;
}
}
string result = name;
return result;
}
// "foo/bar.c" -> "foo/bar"
inline string basename(char const *name) {
string result = name;
for(signed i = strlen(result); i >= 0; i--) {
if(result[i] == '/' || result[i] == '\\') {
//file has no extension
break;
}
if(result[i] == '.') {
result[i] = 0;
break;
}
}
return result;
}
// "foo/bar.c" -> "c"
inline string extension(char const *name) {
for(signed i = strlen(name); i >= 0; i--) {
if(name[i] == '.') {
name += i + 1;
break;
}
}
string result = name;
return result;
}
}
#endif

72
snesfilter/nall/string/match.hpp
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@ -1,72 +0,0 @@
#ifndef NALL_STRING_MATCH_HPP
#define NALL_STRING_MATCH_HPP
bool match(const char *p, const char *s) {
const char *p_ = 0, *s_ = 0;
for(;;) {
if(!*s) {
while(*p == '*') p++;
return !*p;
}
//wildcard match
if(*p == '*') {
p_ = p++, s_ = s;
continue;
}
//any match
if(*p == '?') {
p++, s++;
continue;
}
//ranged match
if(*p == '{') {
#define pattern(name_, rule_) \
if(strbegin(p, name_)) { \
if(rule_) { \
p += sizeof(name_) - 1, s++; \
continue; \
} \
goto failure; \
}
pattern("{alpha}", (*s >= 'A' && *s <= 'Z') || (*s >= 'a' && *s <= 'z'))
pattern("{alphanumeric}", (*s >= 'A' && *s <= 'Z') || (*s >= 'a' && *s <= 'z') || (*s >= '0' && *s <= '9'))
pattern("{binary}", (*s == '0' || *s == '1'))
pattern("{hex}", (*s >= '0' && *s <= '9') || (*s >= 'A' && *s <= 'F') || (*s >= 'a' && *s <= 'f'))
pattern("{lowercase}", (*s >= 'a' && *s <= 'z'))
pattern("{numeric}", (*s >= '0' && *s <= '9'))
pattern("{uppercase}", (*s >= 'A' && *s <= 'Z'))
pattern("{whitespace}", (*s == ' ' || *s == '\t'))
#undef pattern
goto failure;
}
//reserved character match
if(*p == '\\') {
p++;
//fallthrough
}
//literal match
if(*p == *s) {
p++, *s++;
continue;
}
//attempt wildcard rematch
failure:
if(p_) {
p = p_, s = s_ + 1;
continue;
}
return false;
}
}
#endif

160
snesfilter/nall/string/math.hpp
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@ -1,160 +0,0 @@
#ifndef NALL_STRING_MATH_HPP
#define NALL_STRING_MATH_HPP
static int eval_integer(const char *&s) {
if(!*s) throw "unrecognized_integer";
int value = 0, x = *s, y = *(s + 1);
//hexadecimal
if(x == '0' && (y == 'X' || y == 'x')) {
s += 2;
while(true) {
if(*s >= '0' && *s <= '9') { value = value * 16 + (*s++ - '0'); continue; }
if(*s >= 'A' && *s <= 'F') { value = value * 16 + (*s++ - 'A' + 10); continue; }
if(*s >= 'a' && *s <= 'f') { value = value * 16 + (*s++ - 'a' + 10); continue; }
return value;
}
}
//binary
if(x == '0' && (y == 'B' || y == 'b')) {
s += 2;
while(true) {
if(*s == '0' || *s == '1') { value = value * 2 + (*s++ - '0'); continue; }
return value;
}
}
//octal (or decimal '0')
if(x == '0') {
s += 1;
while(true) {
if(*s >= '0' && *s <= '7') { value = value * 8 + (*s++ - '0'); continue; }
return value;
}
}
//decimal
if(x >= '0' && x <= '9') {
while(true) {
if(*s >= '0' && *s <= '9') { value = value * 10 + (*s++ - '0'); continue; }
return value;
}
}
//char
if(x == '\'' && y != '\'') {
s += 1;
while(true) {
value = value * 256 + *s++;
if(*s == '\'') { s += 1; return value; }
if(!*s) throw "mismatched_char";
}
}
throw "unrecognized_integer";
}
static int eval(const char *&s, int depth = 0) {
while(*s == ' ' || *s == '\t') s++; //trim whitespace
if(!*s) throw "unrecognized_token";
int value = 0, x = *s, y = *(s + 1);
if(*s == '(') {
value = eval(++s, 1);
if(*s++ != ')') throw "mismatched_group";
}
else if(x == '!') value = !eval(++s, 13);
else if(x == '~') value = ~eval(++s, 13);
else if(x == '+') value = +eval(++s, 13);
else if(x == '-') value = -eval(++s, 13);
else if((x >= '0' && x <= '9') || x == '\'') value = eval_integer(s);
else throw "unrecognized_token";
while(true) {
while(*s == ' ' || *s == '\t') s++; //trim whitespace
if(!*s) break;
x = *s, y = *(s + 1);
if(depth >= 13) break;
if(x == '*') { value *= eval(++s, 13); continue; }
if(x == '/') { value /= eval(++s, 13); continue; }
if(x == '%') { value %= eval(++s, 13); continue; }
if(depth >= 12) break;
if(x == '+') { value += eval(++s, 12); continue; }
if(x == '-') { value -= eval(++s, 12); continue; }
if(depth >= 11) break;
if(x == '<' && y == '<') { value <<= eval(++++s, 11); continue; }
if(x == '>' && y == '>') { value >>= eval(++++s, 11); continue; }
if(depth >= 10) break;
if(x == '<' && y == '=') { value = value <= eval(++++s, 10); continue; }
if(x == '>' && y == '=') { value = value >= eval(++++s, 10); continue; }
if(x == '<') { value = value < eval(++s, 10); continue; }
if(x == '>') { value = value > eval(++s, 10); continue; }
if(depth >= 9) break;
if(x == '=' && y == '=') { value = value == eval(++++s, 9); continue; }
if(x == '!' && y == '=') { value = value != eval(++++s, 9); continue; }
if(depth >= 8) break;
if(x == '&' && y != '&') { value = value & eval(++s, 8); continue; }
if(depth >= 7) break;
if(x == '^' && y != '^') { value = value ^ eval(++s, 7); continue; }
if(depth >= 6) break;
if(x == '|' && y != '|') { value = value | eval(++s, 6); continue; }
if(depth >= 5) break;
if(x == '&' && y == '&') { value = eval(++++s, 5) && value; continue; }
if(depth >= 4) break;
if(x == '^' && y == '^') { value = (!eval(++++s, 4) != !value); continue; }
if(depth >= 3) break;
if(x == '|' && y == '|') { value = eval(++++s, 3) || value; continue; }
if(x == '?') {
int lhs = eval(++s, 2);
if(*s != ':') throw "mismatched_ternary";
int rhs = eval(++s, 2);
value = value ? lhs : rhs;
continue;
}
if(depth >= 2) break;
if(depth > 0 && x == ')') break;
throw "unrecognized_token";
}
return value;
}
bool strint(const char *s, int &result) {
try {
result = eval_integer(s);
return true;
} catch(const char*) {
result = 0;
return false;
}
}
bool strmath(const char *s, int &result) {
try {
result = eval(s);
return true;
} catch(const char*) {
result = 0;
return false;
}
}
#endif

103
snesfilter/nall/string/replace.hpp
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#ifndef NALL_STRING_REPLACE_HPP
#define NALL_STRING_REPLACE_HPP
namespace nall {
string& string::replace(const char *key, const char *token) {
int i, z, ksl = strlen(key), tsl = strlen(token), ssl = length();
unsigned int replace_count = 0, size = ssl;
char *buffer;
if(ksl <= ssl) {
if(tsl > ksl) { //the new string may be longer than the old string...
for(i = 0; i <= ssl - ksl;) { //so let's find out how big of a string we'll need...
if(!memcmp(data + i, key, ksl)) {
replace_count++;
i += ksl;
} else i++;
}
size = ssl + ((tsl - ksl) * replace_count);
reserve(size);
}
buffer = new char[size + 1];
for(i = z = 0; i < ssl;) {
if(i <= ssl - ksl) {
if(!memcmp(data + i, key, ksl)) {
memcpy(buffer + z, token, tsl);
z += tsl;
i += ksl;
} else buffer[z++] = data[i++];
} else buffer[z++] = data[i++];
}
buffer[z] = 0;
assign(buffer);
delete[] buffer;
}
return *this;
}
string& string::qreplace(const char *key, const char *token) {
int i, l, z, ksl = strlen(key), tsl = strlen(token), ssl = length();
unsigned int replace_count = 0, size = ssl;
uint8_t x;
char *buffer;
if(ksl <= ssl) {
if(tsl > ksl) {
for(i = 0; i <= ssl - ksl;) {
x = data[i];
if(x == '\"' || x == '\'') {
l = i;
i++;
while(data[i++] != x) {
if(i == ssl) {
i = l;
break;
}
}
}
if(!memcmp(data + i, key, ksl)) {
replace_count++;
i += ksl;
} else i++;
}
size = ssl + ((tsl - ksl) * replace_count);
reserve(size);
}
buffer = new char[size + 1];
for(i = z = 0; i < ssl;) {
x = data[i];
if(x == '\"' || x == '\'') {
l = i++;
while(data[i] != x && i < ssl)i++;
if(i >= ssl)i = l;
else {
memcpy(buffer + z, data + l, i - l);
z += i - l;
}
}
if(i <= ssl - ksl) {
if(!memcmp(data + i, key, ksl)) {
memcpy(buffer + z, token, tsl);
z += tsl;
i += ksl;
replace_count++;
} else buffer[z++] = data[i++];
} else buffer[z++] = data[i++];
}
buffer[z] = 0;
assign(buffer);
delete[] buffer;
}
return *this;
}
};
#endif

56
snesfilter/nall/string/split.hpp
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#ifndef NALL_STRING_SPLIT_HPP
#define NALL_STRING_SPLIT_HPP
namespace nall {
void lstring::split(const char *key, const char *src, unsigned limit) {
reset();
int ssl = strlen(src), ksl = strlen(key);
int lp = 0, split_count = 0;
for(int i = 0; i <= ssl - ksl;) {
if(!memcmp(src + i, key, ksl)) {
strlcpy(operator[](split_count++), src + lp, i - lp + 1);
i += ksl;
lp = i;
if(!--limit) break;
} else i++;
}
operator[](split_count++) = src + lp;
}
void lstring::qsplit(const char *key, const char *src, unsigned limit) {
reset();
int ssl = strlen(src), ksl = strlen(key);
int lp = 0, split_count = 0;
for(int i = 0; i <= ssl - ksl;) {
uint8_t x = src[i];
if(x == '\"' || x == '\'') {
int z = i++; //skip opening quote
while(i < ssl && src[i] != x) i++;
if(i >= ssl) i = z; //failed match, rewind i
else {
i++; //skip closing quote
continue; //restart in case next char is also a quote
}
}
if(!memcmp(src + i, key, ksl)) {
strlcpy(operator[](split_count++), src + lp, i - lp + 1);
i += ksl;
lp = i;
if(!--limit) break;
} else i++;
}
operator[](split_count++) = src + lp;
}
};
#endif

48
snesfilter/nall/string/strl.hpp
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#ifndef NALL_STRING_STRL_HPP
#define NALL_STRING_STRL_HPP
//strlcpy, strlcat based on OpenBSD implementation by Todd C. Miller
//return = strlen(src)
size_t strlcpy(char *dest, const char *src, size_t length) {
char *d = dest;
const char *s = src;
size_t n = length;
if(n) {
while(--n && (*d++ = *s++)); //copy as many bytes as possible, or until null terminator reached
}
if(!n) {
if(length) *d = 0;
while(*s++); //traverse rest of s, so that s - src == strlen(src)
}
return (s - src - 1); //return length of copied string, sans null terminator
}
//return = strlen(src) + min(length, strlen(dest))
size_t strlcat(char *dest, const char *src, size_t length) {
char *d = dest;
const char *s = src;
size_t n = length;
while(n-- && *d) d++; //find end of dest
size_t dlength = d - dest;
n = length - dlength; //subtract length of dest from maximum string length
if(!n) return dlength + strlen(s);
while(*s) {
if(n != 1) {
*d++ = *s;
n--;
}
s++;
}
*d = 0;
return dlength + (s - src); //return length of resulting string, sans null terminator
}
#endif

50
snesfilter/nall/string/trim.hpp
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#ifndef NALL_STRING_TRIM_HPP
#define NALL_STRING_TRIM_HPP
char* ltrim(char *str, const char *key) {
if(!key || !*key) return str;
while(strbegin(str, key)) {
char *dest = str, *src = str + strlen(key);
while(true) {
*dest = *src++;
if(!*dest) break;
dest++;
}
}
return str;
}
char* rtrim(char *str, const char *key) {
if(!key || !*key) return str;
while(strend(str, key)) str[strlen(str) - strlen(key)] = 0;
return str;
}
char* trim(char *str, const char *key) {
return ltrim(rtrim(str, key), key);
}
char* ltrim_once(char *str, const char *key) {
if(!key || !*key) return str;
if(strbegin(str, key)) {
char *dest = str, *src = str + strlen(key);
while(true) {
*dest = *src++;
if(!*dest) break;
dest++;
}
}
return str;
}
char* rtrim_once(char *str, const char *key) {
if(!key || !*key) return str;
if(strend(str, key)) str[strlen(str) - strlen(key)] = 0;
return str;
}
char* trim_once(char *str, const char *key) {
return ltrim_once(rtrim_once(str, key), key);
}
#endif

165
snesfilter/nall/string/utility.hpp
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#ifndef NALL_STRING_UTILITY_HPP
#define NALL_STRING_UTILITY_HPP
size_t strlcpy(nall::string &dest, const char *src, size_t length) {
dest.reserve(length);
return strlcpy(dest(), src, length);
}
size_t strlcat(nall::string &dest, const char *src, size_t length) {
dest.reserve(length);
return strlcat(dest(), src, length);
}
nall::string substr(const char *src, size_t start, size_t length) {
nall::string dest;
if(length == 0) {
//copy entire string
dest = src + start;
} else {
//copy partial string
strlcpy(dest, src + start, length + 1);
}
return dest;
}
/* very simplistic wrappers to return nall::string& instead of char* type */
nall::string& strlower(nall::string &str) { strlower(str()); return str; }
nall::string& strupper(nall::string &str) { strupper(str()); return str; }
nall::string& strtr(nall::string &dest, const char *before, const char *after) { strtr(dest(), before, after); return dest; }
nall::string& ltrim(nall::string &str, const char *key) { ltrim(str(), key); return str; }
nall::string& rtrim(nall::string &str, const char *key) { rtrim(str(), key); return str; }
nall::string& trim (nall::string &str, const char *key) { trim (str(), key); return str; }
nall::string& ltrim_once(nall::string &str, const char *key) { ltrim_once(str(), key); return str; }
nall::string& rtrim_once(nall::string &str, const char *key) { rtrim_once(str(), key); return str; }
nall::string& trim_once (nall::string &str, const char *key) { trim_once (str(), key); return str; }
/* arithmetic <> string */
template<unsigned length, char padding> nall::string strhex(uintmax_t value) {
nall::string output;
unsigned offset = 0;
//render string backwards, as we do not know its length yet
do {
unsigned n = value & 15;
output[offset++] = n < 10 ? '0' + n : 'a' + n - 10;
value >>= 4;
} while(value);
while(offset < length) output[offset++] = padding;
output[offset--] = 0;
//reverse the string in-place
for(unsigned i = 0; i < (offset + 1) >> 1; i++) {
char temp = output[i];
output[i] = output[offset - i];
output[offset - i] = temp;
}
return output;
}
template<unsigned length, char padding> nall::string strsigned(intmax_t value) {
nall::string output;
unsigned offset = 0;
bool negative = value < 0;
if(negative) value = abs(value);
do {
unsigned n = value % 10;
output[offset++] = '0' + n;
value /= 10;
} while(value);
while(offset < length) output[offset++] = padding;
if(negative) output[offset++] = '-';
output[offset--] = 0;
for(unsigned i = 0; i < (offset + 1) >> 1; i++) {
char temp = output[i];
output[i] = output[offset - i];
output[offset - i] = temp;
}
return output;
}
template<unsigned length, char padding> nall::string strunsigned(uintmax_t value) {
nall::string output;
unsigned offset = 0;
do {
unsigned n = value % 10;
output[offset++] = '0' + n;
value /= 10;
} while(value);
while(offset < length) output[offset++] = padding;
output[offset--] = 0;
for(unsigned i = 0; i < (offset + 1) >> 1; i++) {
char temp = output[i];
output[i] = output[offset - i];
output[offset - i] = temp;
}
return output;
}
template<unsigned length, char padding> nall::string strbin(uintmax_t value) {
nall::string output;
unsigned offset = 0;
do {
unsigned n = value & 1;
output[offset++] = '0' + n;
value >>= 1;
} while(value);
while(offset < length) output[offset++] = padding;
output[offset--] = 0;
for(unsigned i = 0; i < (offset + 1) >> 1; i++) {
char temp = output[i];
output[i] = output[offset - i];
output[offset - i] = temp;
}
return output;
}
//using sprintf is certainly not the most ideal method to convert
//a double to a string ... but attempting to parse a double by
//hand, digit-by-digit, results in subtle rounding errors.
size_t strdouble(char *str, double value) {
char buffer[256];
sprintf(buffer, "%f", value);
//remove excess 0's in fraction (2.500000 -> 2.5)
for(char *p = buffer; *p; p++) {
if(*p == '.') {
char *p = buffer + strlen(buffer) - 1;
while(*p == '0') {
if(*(p - 1) != '.') *p = 0; //... but not for eg 1.0 -> 1.
p--;
}
break;
}
}
unsigned length = strlen(buffer);
if(str) strcpy(str, buffer);
return length + 1;
}
nall::string strdouble(double value) {
nall::string temp;
temp.reserve(strdouble(0, value));
strdouble(temp(), value);
return temp;
}
#endif

37
snesfilter/nall/string/variadic.hpp
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#ifndef NALL_STRING_VARIADIC_HPP
#define NALL_STRING_VARIADIC_HPP
namespace nall {
static void sprint(string &output, unsigned &offset, const char *&s) {
while(*s) output[offset++] = *s++;
}
template<typename T, typename... Args>
static void sprint(string &output, unsigned &offset, const char *&s, T value, Args... args) {
while(*s) {
if(*s == '$') {
string data = to_string<T>(value);
unsigned i = 0;
while(data[i]) output[offset++] = data[i++];
sprint(output, offset, ++s, args...);
return;
} else {
output[offset++] = *s++;
}
}
}
template<typename... Args> inline string sprint(const char *s, Args... args) {
string output;
unsigned offset = 0;
sprint(output, offset, s, args...);
output[offset] = 0;
return output;
}
template<typename... Args> inline void print(const char *s, Args... args) {
printf("%s", (const char*)sprint(s, args...));
}
}
#endif

268
snesfilter/nall/string/xml.hpp
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#ifndef NALL_STRING_XML_HPP
#define NALL_STRING_XML_HPP
//XML subset parser
//version 0.04
#include <nall/array.hpp>
namespace nall {
struct xml_attribute {
string name;
string content;
virtual string parse() const;
};
struct xml_element : xml_attribute {
string parse() const;
array<xml_attribute*> attribute;
array<xml_element*> element;
~xml_element();
protected:
void parse_doctype(const char *&data);
bool parse_head(string data);
bool parse_body(const char *&data);
friend xml_element *xml_parse(const char *data);
};
inline string xml_attribute::parse() const {
string data;
unsigned offset = 0;
const char *source = content;
while(*source) {
if(*source == '&') {
if(strbegin(source, "&lt;")) { data[offset++] = '<'; source += 4; continue; }
if(strbegin(source, "&gt;")) { data[offset++] = '>'; source += 4; continue; }
if(strbegin(source, "&amp;")) { data[offset++] = '&'; source += 5; continue; }
if(strbegin(source, "&apos;")) { data[offset++] = '\''; source += 6; continue; }
if(strbegin(source, "&quot;")) { data[offset++] = '"'; source += 6; continue; }
}
//reject illegal characters
if(*source == '&') return "";
if(*source == '<') return "";
if(*source == '>') return "";
data[offset++] = *source++;
}
data[offset] = 0;
return data;
}
inline string xml_element::parse() const {
string data;
unsigned offset = 0;
const char *source = content;
while(*source) {
if(*source == '&') {
if(strbegin(source, "&lt;")) { data[offset++] = '<'; source += 4; continue; }
if(strbegin(source, "&gt;")) { data[offset++] = '>'; source += 4; continue; }
if(strbegin(source, "&amp;")) { data[offset++] = '&'; source += 5; continue; }
if(strbegin(source, "&apos;")) { data[offset++] = '\''; source += 6; continue; }
if(strbegin(source, "&quot;")) { data[offset++] = '"'; source += 6; continue; }
}
if(strbegin(source, "<!--")) {
signed pos = strpos(source, "-->");
if(pos == -1) return "";
source += pos + 3;
continue;
}
if(strbegin(source, "<![CDATA[")) {
signed pos = strpos(source, "]]>");
if(pos == -1) return "";
string cdata = substr(source, 9, pos - 9);
data << cdata;
offset += strlen(cdata);
source += offset + 3;
continue;
}
//reject illegal characters
if(*source == '&') return "";
if(*source == '<') return "";
if(*source == '>') return "";
data[offset++] = *source++;
}
data[offset] = 0;
return data;
}
inline void xml_element::parse_doctype(const char *&data) {
name = "!DOCTYPE";
const char *content_begin = data;
signed counter = 0;
while(*data) {
char value = *data++;
if(value == '<') counter++;
if(value == '>') counter--;
if(counter < 0) {
content = substr(content_begin, 0, data - content_begin - 1);
return;
}
}
throw "...";
}
inline bool xml_element::parse_head(string data) {
data.qreplace("\t", " ");
data.qreplace("\r", " ");
data.qreplace("\n", " ");
while(qstrpos(data, " ") >= 0) data.qreplace(" ", " ");
data.qreplace(" =", "=");
data.qreplace("= ", "=");
rtrim(data);
lstring part;
part.qsplit(" ", data);
name = part[0];
if(name == "") throw "...";
for(unsigned i = 1; i < part.size(); i++) {
lstring side;
side.qsplit("=", part[i]);
if(side.size() != 2) throw "...";
xml_attribute *attr = new xml_attribute;
attr->name = side[0];
attr->content = side[1];
if(strbegin(attr->content, "\"") && strend(attr->content, "\"")) trim_once(attr->content, "\"");
else if(strbegin(attr->content, "'") && strend(attr->content, "'")) trim_once(attr->content, "'");
else throw "...";
attribute.add(attr);
}
}
inline bool xml_element::parse_body(const char *&data) {
while(true) {
if(!*data) return false;
if(*data++ != '<') continue;
if(*data == '/') return false;
if(strbegin(data, "!DOCTYPE") == true) {
parse_doctype(data);
return true;
}
if(strbegin(data, "!--")) {
signed offset = strpos(data, "-->");
if(offset == -1) throw "...";
data += offset + 3;
continue;
}
if(strbegin(data, "![CDATA[")) {
signed offset = strpos(data, "]]>");
if(offset == -1) throw "...";
data += offset + 3;
continue;
}
signed offset = strpos(data, ">");
if(offset == -1) throw "...";
string tag = substr(data, 0, offset);
data += offset + 1;
const char *content_begin = data;
bool self_terminating = false;
if(strend(tag, "?") == true) {
self_terminating = true;
rtrim_once(tag, "?");
} else if(strend(tag, "/") == true) {
self_terminating = true;
rtrim_once(tag, "/");
}
parse_head(tag);
if(self_terminating) return true;
while(*data) {
unsigned index = element.size();
xml_element *elem = new xml_element;
if(elem->parse_body(data) == false) {
delete elem;
if(*data == '/') {
signed length = data - content_begin - 1;
if(length > 0) content = substr(content_begin, 0, length);
data++;
offset = strpos(data, ">");
if(offset == -1) throw "...";
tag = substr(data, 0, offset);
data += offset + 1;
tag.replace("\t", " ");
tag.replace("\r", " ");
tag.replace("\n", " ");
while(strpos(tag, " ") >= 0) tag.replace(" ", " ");
rtrim(tag);
if(name != tag) throw "...";
return true;
}
} else {
element.add(elem);
}
}
}
}
inline xml_element::~xml_element() {
for(unsigned i = 0; i < attribute.size(); i++) delete attribute[i];
for(unsigned i = 0; i < element.size(); i++) delete element[i];
}
//ensure there is only one root element
inline bool xml_validate(xml_element *document) {
unsigned root_counter = 0;
for(unsigned i = 0; i < document->element.size(); i++) {
string &name = document->element[i]->name;
if(strbegin(name, "?")) continue;
if(strbegin(name, "!")) continue;
if(++root_counter > 1) return false;
}
return true;
}
inline xml_element* xml_parse(const char *data) {
xml_element *self = new xml_element;
try {
while(*data) {
xml_element *elem = new xml_element;
if(elem->parse_body(data) == false) {
delete elem;
break;
} else {
self->element.add(elem);
}
}
if(xml_validate(self) == false) throw "...";
return self;
} catch(const char*) {
delete self;
return 0;
}
}
}
#endif

97
snesfilter/nall/traits.hpp
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#ifndef NALL_TRAITS_HPP
#define NALL_TRAITS_HPP
namespace nall {
//==
//is
//==
template<typename T> struct is_integral { enum { value = false }; };
template<> struct is_integral<bool> { enum { value = true }; };
template<> struct is_integral<char> { enum { value = true }; };
template<> struct is_integral<signed char> { enum { value = true }; };
template<> struct is_integral<unsigned char> { enum { value = true }; };
template<> struct is_integral<wchar_t> { enum { value = true }; };
template<> struct is_integral<short> { enum { value = true }; };
template<> struct is_integral<unsigned short> { enum { value = true }; };
template<> struct is_integral<long> { enum { value = true }; };
template<> struct is_integral<unsigned long> { enum { value = true }; };
template<> struct is_integral<long long> { enum { value = true }; };
template<> struct is_integral<unsigned long long> { enum { value = true }; };
template<> struct is_integral<int> { enum { value = true }; };
template<> struct is_integral<unsigned int> { enum { value = true }; };
template<typename T> struct is_floating_point { enum { value = false }; };
template<> struct is_floating_point<float> { enum { value = true }; };
template<> struct is_floating_point<double> { enum { value = true }; };
template<> struct is_floating_point<long double> { enum { value = true }; };
template<typename T> struct is_bool { enum { value = false }; };
template<> struct is_bool<bool> { enum { value = true }; };
template<typename T> struct is_void { enum { value = false }; };
template<> struct is_void<void> { enum { value = true }; };
template<typename T> struct is_arithmetic {
enum { value = is_integral<T>::value || is_floating_point<T>::value };
};
template<typename T> struct is_fundamental {
enum { value = is_integral<T>::value || is_floating_point<T>::value || is_void<T>::value };
};
template<typename T> struct is_compound {
enum { value = !is_fundamental<T>::value };
};
template<typename T> struct is_array { enum { value = false }; };
template<typename T> struct is_array<T[]> { enum { value = true }; };
template<typename T, int N> struct is_array<T[N]> { enum { value = true }; };
template<typename T> struct is_const { enum { value = false }; };
template<typename T> struct is_const<const T> { enum { value = true }; };
template<typename T> struct is_const<const T&> { enum { value = true }; };
template<typename T> struct is_pointer { enum { value = false }; };
template<typename T> struct is_pointer<T*> { enum { value = true }; };
template<typename T> struct is_reference { enum { value = false }; };
template<typename T> struct is_reference<T&> { enum { value = true }; };
template<typename T, typename U> struct is_same { enum { value = false }; };
template<typename T> struct is_same<T, T> { enum { value = true }; };
//===
//add
//===
template<typename T> struct add_const { typedef const T type; };
template<typename T> struct add_const<const T> { typedef const T type; };
template<typename T> struct add_const<const T&> { typedef const T& type; };
template<typename T> struct add_pointer { typedef T* type; };
template<typename T> struct add_pointer<T*> { typedef T** type; };
template<typename T> struct add_reference { typedef T& type; };
template<typename T> struct add_reference<T&> { typedef T& type; };
//======
//remove
//======
template<typename T> struct remove_const { typedef T type; };
template<typename T> struct remove_const<const T> { typedef T type; };
template<typename T> struct remove_const<const T&> { typedef T type; };
template<typename T> struct remove_extent { typedef T type; };
template<typename T> struct remove_extent<T[]> { typedef T type; };
template<typename T, int N> struct remove_extent<T[N]> { typedef T type; };
template<typename T> struct remove_pointer { typedef T type; };
template<typename T> struct remove_pointer<T*> { typedef T type; };
template<typename T> struct remove_reference { typedef T type; };
template<typename T> struct remove_reference<T&> { typedef T type; };
}
#endif

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snesfilter/nall/ups.hpp
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#ifndef NALL_UPS_HPP
#define NALL_UPS_HPP
#include <stdio.h>
#include <nall/algorithm.hpp>
#include <nall/crc32.hpp>
#include <nall/file.hpp>
#include <nall/stdint.hpp>
namespace nall {
class ups {
public:
enum result {
ok,
patch_unreadable,
patch_unwritable,
patch_invalid,
input_invalid,
output_invalid,
patch_crc32_invalid,
input_crc32_invalid,
output_crc32_invalid,
};
ups::result create(const char *patch_fn, const uint8_t *x_data, unsigned x_size, const uint8_t *y_data, unsigned y_size) {
if(!fp.open(patch_fn, file::mode_write)) return patch_unwritable;
crc32 = ~0;
uint32_t x_crc32 = crc32_calculate(x_data, x_size);
uint32_t y_crc32 = crc32_calculate(y_data, y_size);
//header
write('U');
write('P');
write('S');
write('1');
encptr(x_size);
encptr(y_size);
//body
unsigned max_size = max(x_size, y_size);
unsigned relative = 0;
for(unsigned i = 0; i < max_size;) {
uint8_t x = i < x_size ? x_data[i] : 0x00;
uint8_t y = i < y_size ? y_data[i] : 0x00;
if(x == y) {
i++;
continue;
}
encptr(i++ - relative);
write(x ^ y);
while(true) {
if(i >= max_size) {
write(0x00);
break;
}
x = i < x_size ? x_data[i] : 0x00;
y = i < y_size ? y_data[i] : 0x00;
i++;
write(x ^ y);
if(x == y) break;
}
relative = i;
}
//footer
for(unsigned i = 0; i < 4; i++) write(x_crc32 >> (i << 3));
for(unsigned i = 0; i < 4; i++) write(y_crc32 >> (i << 3));
uint32_t p_crc32 = ~crc32;
for(unsigned i = 0; i < 4; i++) write(p_crc32 >> (i << 3));
fp.close();
return ok;
}
ups::result apply(const uint8_t *p_data, unsigned p_size, const uint8_t *x_data, unsigned x_size, uint8_t *&y_data, unsigned &y_size) {
if(p_size < 18) return patch_invalid;
p_buffer = p_data;
crc32 = ~0;
//header
if(read() != 'U') return patch_invalid;
if(read() != 'P') return patch_invalid;
if(read() != 'S') return patch_invalid;
if(read() != '1') return patch_invalid;
unsigned px_size = decptr();
unsigned py_size = decptr();
//mirror
if(x_size != px_size && x_size != py_size) return input_invalid;
y_size = (x_size == px_size) ? py_size : px_size;
y_data = new uint8_t[y_size]();
for(unsigned i = 0; i < x_size && i < y_size; i++) y_data[i] = x_data[i];
for(unsigned i = x_size; i < y_size; i++) y_data[i] = 0x00;
//body
unsigned relative = 0;
while(p_buffer < p_data + p_size - 12) {
relative += decptr();
while(true) {
uint8_t x = read();
if(x && relative < y_size) {
uint8_t y = relative < x_size ? x_data[relative] : 0x00;
y_data[relative] = x ^ y;
}
relative++;
if(!x) break;
}
}
//footer
unsigned px_crc32 = 0, py_crc32 = 0, pp_crc32 = 0;
for(unsigned i = 0; i < 4; i++) px_crc32 |= read() << (i << 3);
for(unsigned i = 0; i < 4; i++) py_crc32 |= read() << (i << 3);
uint32_t p_crc32 = ~crc32;
for(unsigned i = 0; i < 4; i++) pp_crc32 |= read() << (i << 3);
uint32_t x_crc32 = crc32_calculate(x_data, x_size);
uint32_t y_crc32 = crc32_calculate(y_data, y_size);
if(px_size != py_size) {
if(x_size == px_size && x_crc32 != px_crc32) return input_crc32_invalid;
if(x_size == py_size && x_crc32 != py_crc32) return input_crc32_invalid;
if(y_size == px_size && y_crc32 != px_crc32) return output_crc32_invalid;
if(y_size == py_size && y_crc32 != py_crc32) return output_crc32_invalid;
} else {
if(x_crc32 != px_crc32 && x_crc32 != py_crc32) return input_crc32_invalid;
if(y_crc32 != px_crc32 && y_crc32 != py_crc32) return output_crc32_invalid;
if(x_crc32 == y_crc32 && px_crc32 != py_crc32) return output_crc32_invalid;
if(x_crc32 != y_crc32 && px_crc32 == py_crc32) return output_crc32_invalid;
}
if(p_crc32 != pp_crc32) return patch_crc32_invalid;
return ok;
}
private:
file fp;
uint32_t crc32;
const uint8_t *p_buffer;
uint8_t read() {
uint8_t n = *p_buffer++;
crc32 = crc32_adjust(crc32, n);
return n;
}
void write(uint8_t n) {
fp.write(n);
crc32 = crc32_adjust(crc32, n);
}
void encptr(uint64_t offset) {
while(true) {
uint64_t x = offset & 0x7f;
offset >>= 7;
if(offset == 0) {
write(0x80 | x);
break;
}
write(x);
offset--;
}
}
uint64_t decptr() {
uint64_t offset = 0, shift = 1;
while(true) {
uint8_t x = read();
offset += (x & 0x7f) * shift;
if(x & 0x80) break;
shift <<= 7;
offset += shift;
}
return offset;
}
};
}
#endif

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snesfilter/nall/utf8.hpp
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#ifndef NALL_UTF8_HPP
#define NALL_UTF8_HPP
//UTF-8 <> UTF-16 conversion
//used only for Win32; Linux, etc use UTF-8 internally
#if defined(_WIN32)
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x0501
#undef NOMINMAX
#define NOMINMAX
#include <windows.h>
#undef interface
namespace nall {
//UTF-8 to UTF-16
class utf16_t {
public:
operator wchar_t*() {
return buffer;
}
operator const wchar_t*() const {
return buffer;
}
utf16_t(const char *s = "") {
if(!s) s = "";
unsigned length = MultiByteToWideChar(CP_UTF8, 0, s, -1, 0, 0);
buffer = new wchar_t[length + 1]();
MultiByteToWideChar(CP_UTF8, 0, s, -1, buffer, length);
}
~utf16_t() {
delete[] buffer;
}
private:
wchar_t *buffer;
};
//UTF-16 to UTF-8
class utf8_t {
public:
operator char*() {
return buffer;
}
operator const char*() const {
return buffer;
}
utf8_t(const wchar_t *s = L"") {
if(!s) s = L"";
unsigned length = WideCharToMultiByte(CP_UTF8, 0, s, -1, 0, 0, (const char*)0, (BOOL*)0);
buffer = new char[length + 1]();
WideCharToMultiByte(CP_UTF8, 0, s, -1, buffer, length, (const char*)0, (BOOL*)0);
}
~utf8_t() {
delete[] buffer;
}
private:
char *buffer;
};
}
#endif //if defined(_WIN32)
#endif

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snesfilter/nall/utility.hpp
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#ifndef NALL_UTILITY_HPP
#define NALL_UTILITY_HPP
#include <nall/traits.hpp>
namespace nall {
template<typename T> struct identity {
typedef T type;
};
template<typename T> typename remove_reference<T>::type&& move(T &&value) {
return value;
}
template<typename T> T&& forward(typename identity<T>::type &&value) {
return value;
}
template<bool C, typename T = bool> struct enable_if { typedef T type; };
template<typename T> struct enable_if<false, T> {};
template<typename C, typename T = bool> struct mp_enable_if : enable_if<C::value, T> {};
template<typename T> inline void swap(T &x, T &y) {
T temp(move(x));
x = move(y);
y = move(temp);
}
template<typename T> struct base_from_member {
T value;
base_from_member(T value_) : value(value_) {}
};
template<typename T> inline T* allocate(size_t size, const T &value) {
T *array = new T[size];
for(size_t i = 0; i < size; i++) array[i] = value;
return array;
}
}
#endif

92
snesfilter/nall/varint.hpp
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#ifndef NALL_VARINT_HPP
#define NALL_VARINT_HPP
#include <nall/bit.hpp>
#include <nall/static.hpp>
#include <nall/traits.hpp>
namespace nall {
template<unsigned bits> class uint_t {
private:
enum { bytes = (bits + 7) >> 3 }; //minimum number of bytes needed to store value
typedef typename static_if<
sizeof(int) >= bytes,
unsigned int,
typename static_if<
sizeof(long) >= bytes,
unsigned long,
typename static_if<
sizeof(long long) >= bytes,
unsigned long long,
void
>::type
>::type
>::type T;
static_assert<!is_void<T>::value> uint_assert;
T data;
public:
inline operator T() const { return data; }
inline T operator ++(int) { T r = data; data = uclip<bits>(data + 1); return r; }
inline T operator --(int) { T r = data; data = uclip<bits>(data - 1); return r; }
inline T operator ++() { return data = uclip<bits>(data + 1); }
inline T operator --() { return data = uclip<bits>(data - 1); }
inline T operator =(const T i) { return data = uclip<bits>(i); }
inline T operator |=(const T i) { return data = uclip<bits>(data | i); }
inline T operator ^=(const T i) { return data = uclip<bits>(data ^ i); }
inline T operator &=(const T i) { return data = uclip<bits>(data & i); }
inline T operator<<=(const T i) { return data = uclip<bits>(data << i); }
inline T operator>>=(const T i) { return data = uclip<bits>(data >> i); }
inline T operator +=(const T i) { return data = uclip<bits>(data + i); }
inline T operator -=(const T i) { return data = uclip<bits>(data - i); }
inline T operator *=(const T i) { return data = uclip<bits>(data * i); }
inline T operator /=(const T i) { return data = uclip<bits>(data / i); }
inline T operator %=(const T i) { return data = uclip<bits>(data % i); }
inline uint_t() : data(0) {}
inline uint_t(const T i) : data(uclip<bits>(i)) {}
};
template<unsigned bits> class int_t {
private:
enum { bytes = (bits + 7) >> 3 }; //minimum number of bytes needed to store value
typedef typename static_if<
sizeof(int) >= bytes,
signed int,
typename static_if<
sizeof(long) >= bytes,
signed long,
typename static_if<
sizeof(long long) >= bytes,
signed long long,
void
>::type
>::type
>::type T;
static_assert<!is_void<T>::value> int_assert;
T data;
public:
inline operator T() const { return data; }
inline T operator ++(int) { T r = data; data = sclip<bits>(data + 1); return r; }
inline T operator --(int) { T r = data; data = sclip<bits>(data - 1); return r; }
inline T operator ++() { return data = sclip<bits>(data + 1); }
inline T operator --() { return data = sclip<bits>(data - 1); }
inline T operator =(const T i) { return data = sclip<bits>(i); }
inline T operator |=(const T i) { return data = sclip<bits>(data | i); }
inline T operator ^=(const T i) { return data = sclip<bits>(data ^ i); }
inline T operator &=(const T i) { return data = sclip<bits>(data & i); }
inline T operator<<=(const T i) { return data = sclip<bits>(data << i); }
inline T operator>>=(const T i) { return data = sclip<bits>(data >> i); }
inline T operator +=(const T i) { return data = sclip<bits>(data + i); }
inline T operator -=(const T i) { return data = sclip<bits>(data - i); }
inline T operator *=(const T i) { return data = sclip<bits>(data * i); }
inline T operator /=(const T i) { return data = sclip<bits>(data / i); }
inline T operator %=(const T i) { return data = sclip<bits>(data % i); }
inline int_t() : data(0) {}
inline int_t(const T i) : data(sclip<bits>(i)) {}
};
}
#endif

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snesfilter/nall/vector.hpp
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#ifndef NALL_VECTOR_HPP
#define NALL_VECTOR_HPP
#include <initializer_list>
#include <new>
#include <nall/algorithm.hpp>
#include <nall/bit.hpp>
#include <nall/concept.hpp>
#include <nall/traits.hpp>
#include <nall/utility.hpp>
namespace nall {
//linear_vector
//memory: O(capacity * 2)
//
//linear_vector uses placement new + manual destructor calls to create a
//contiguous block of memory for all objects. accessing individual elements
//is fast, though resizing the array incurs significant overhead.
//reserve() overhead is reduced from quadratic time to amortized constant time
//by resizing twice as much as requested.
//
//if objects hold memory address references to themselves (introspection), a
//valid copy constructor will be needed to keep pointers valid.
template<typename T> class linear_vector {
protected:
T *pool;
unsigned poolsize, objectsize;
public:
unsigned size() const { return objectsize; }
unsigned capacity() const { return poolsize; }
void reset() {
if(pool) {
for(unsigned i = 0; i < objectsize; i++) pool[i].~T();
free(pool);
}
pool = 0;
poolsize = 0;
objectsize = 0;
}
void reserve(unsigned newsize) {
newsize = bit::round(newsize); //round to nearest power of two (for amortized growth)
T *poolcopy = (T*)malloc(newsize * sizeof(T));
for(unsigned i = 0; i < min(objectsize, newsize); i++) new(poolcopy + i) T(pool[i]);
for(unsigned i = 0; i < objectsize; i++) pool[i].~T();
free(pool);
pool = poolcopy;
poolsize = newsize;
objectsize = min(objectsize, newsize);
}
void resize(unsigned newsize) {
if(newsize > poolsize) reserve(newsize);
if(newsize < objectsize) {
//vector is shrinking; destroy excess objects
for(unsigned i = newsize; i < objectsize; i++) pool[i].~T();
} else if(newsize > objectsize) {
//vector is expanding; allocate new objects
for(unsigned i = objectsize; i < newsize; i++) new(pool + i) T;
}
objectsize = newsize;
}
void add(const T data) {
if(objectsize + 1 > poolsize) reserve(objectsize + 1);
new(pool + objectsize++) T(data);
}
inline T& operator[](unsigned index) {
if(index >= objectsize) resize(index + 1);
return pool[index];
}
inline const T& operator[](unsigned index) const {
if(index >= objectsize) throw "vector[] out of bounds";
return pool[index];
}
//copy
inline linear_vector<T>& operator=(const linear_vector<T> &source) {
reset();
reserve(source.capacity());
for(unsigned i = 0; i < source.size(); i++) add(source[i]);
return *this;
}
linear_vector(const linear_vector<T> &source) {
operator=(source);
}
//move
inline linear_vector<T>& operator=(linear_vector<T> &&source) {
reset();
pool = source.pool;
poolsize = source.poolsize;
objectsize = source.objectsize;
source.pool = 0;
return *this;
}
linear_vector(linear_vector<T> &&source) {
operator=(move(source));
}
//construction
linear_vector() : pool(0), poolsize(0), objectsize(0) {
}
linear_vector(std::initializer_list<T> list) : pool(0), poolsize(0), objectsize(0) {
for(const T *p = list.begin(); p != list.end(); ++p) add(*p);
}
~linear_vector() {
reset();
}
};
//pointer_vector
//memory: O(1)
//
//pointer_vector keeps an array of pointers to each vector object. this adds
//significant overhead to individual accesses, but allows for optimal memory
//utilization.
//
//by guaranteeing that the base memory address of each objects never changes,
//this avoids the need for an object to have a valid copy constructor.
template<typename T> class pointer_vector {
protected:
T **pool;
unsigned poolsize, objectsize;
public:
unsigned size() const { return objectsize; }
unsigned capacity() const { return poolsize; }
void reset() {
if(pool) {
for(unsigned i = 0; i < objectsize; i++) { if(pool[i]) delete pool[i]; }
free(pool);
}
pool = 0;
poolsize = 0;
objectsize = 0;
}
void reserve(unsigned newsize) {
newsize = bit::round(newsize); //round to nearest power of two (for amortized growth)
for(unsigned i = newsize; i < objectsize; i++) {
if(pool[i]) { delete pool[i]; pool[i] = 0; }
}
pool = (T**)realloc(pool, newsize * sizeof(T*));
for(unsigned i = poolsize; i < newsize; i++) pool[i] = 0;
poolsize = newsize;
objectsize = min(objectsize, newsize);
}
void resize(unsigned newsize) {
if(newsize > poolsize) reserve(newsize);
for(unsigned i = newsize; i < objectsize; i++) {
if(pool[i]) { delete pool[i]; pool[i] = 0; }
}
objectsize = newsize;
}
void add(const T data) {
if(objectsize + 1 > poolsize) reserve(objectsize + 1);
pool[objectsize++] = new T(data);
}
inline T& operator[](unsigned index) {
if(index >= objectsize) resize(index + 1);
if(!pool[index]) pool[index] = new T;
return *pool[index];
}
inline const T& operator[](unsigned index) const {
if(index >= objectsize || !pool[index]) throw "vector[] out of bounds";
return *pool[index];
}
//copy
inline pointer_vector<T>& operator=(const pointer_vector<T> &source) {
reset();
reserve(source.capacity());
for(unsigned i = 0; i < source.size(); i++) add(source[i]);
return *this;
}
pointer_vector(const pointer_vector<T> &source) {
operator=(source);
}
//move
inline pointer_vector<T>& operator=(pointer_vector<T> &&source) {
reset();
pool = source.pool;
poolsize = source.poolsize;
objectsize = source.objectsize;
source.pool = 0;
return *this;
}
pointer_vector(pointer_vector<T> &&source) {
operator=(move(source));
}
//construction
pointer_vector() : pool(0), poolsize(0), objectsize(0) {
}
pointer_vector(std::initializer_list<T> list) : pool(0), poolsize(0), objectsize(0) {
for(const T *p = list.begin(); p != list.end(); ++p) add(*p);
}
~pointer_vector() {
reset();
}
};
template<typename T> struct has_size<linear_vector<T>> { enum { value = true }; };
template<typename T> struct has_size<pointer_vector<T>> { enum { value = true }; };
}
#endif

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snesfilter/ntsc/ntsc.cpp
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#include "snes_ntsc/snes_ntsc.h"
#include "snes_ntsc/snes_ntsc.c"
#include "ntsc.moc.hpp"
#include "ntsc.moc"
void NTSCFilter::bind(configuration &config) {
config.attach(hue = 0.0, "snesfilter.ntsc.hue");
config.attach(saturation = 0.0, "snesfilter.ntsc.saturation");
config.attach(contrast = 0.0, "snesfilter.ntsc.contrast");
config.attach(brightness = 0.0, "snesfilter.ntsc.brightness");
config.attach(sharpness = 0.0, "snesfilter.ntsc.sharpness");
config.attach(gamma = 0.0, "snesfilter.ntsc.gamma");
config.attach(resolution = 0.0, "snesfilter.ntsc.resolution");
config.attach(artifacts = 0.0, "snesfilter.ntsc.artifacts");
config.attach(fringing = 0.0, "snesfilter.ntsc.fringing");
config.attach(bleed = 0.0, "snesfilter.ntsc.bleed");
config.attach(mergeFields = true, "snesfilter.ntsc.mergeFields");
}
void NTSCFilter::size(unsigned &outwidth, unsigned &outheight, unsigned width, unsigned height) {
outwidth = SNES_NTSC_OUT_WIDTH(256);
outheight = height;
}
void NTSCFilter::render(
uint32_t *output, unsigned outpitch, const uint16_t *input, unsigned pitch,
const unsigned *line, unsigned width, unsigned height
) {
if(!ntsc) return;
width = SNES_NTSC_OUT_WIDTH(256);
burst ^= burst_toggle;
pitch >>= 1;
outpitch >>= 2;
unsigned line_burst = burst;
for(unsigned y = 0; y < height;) {
const uint16_t *in = input + y * pitch;
uint32_t *out = output + y * outpitch;
//render as many lines in one snes_ntsc_blit as possible:
//do this by determining for how many lines the width stays the same
unsigned rheight = 1;
unsigned rwidth = line[y];
while(y + rheight < height && rwidth == line[y + rheight]) rheight++;
if(rwidth == 256) {
snes_ntsc_blit (ntsc, in, pitch, line_burst, rwidth, rheight, out, outpitch << 2);
} else {
snes_ntsc_blit_hires(ntsc, in, pitch, line_burst, rwidth, rheight, out, outpitch << 2);
}
line_burst = (line_burst + rheight) % 3;
y += rheight;
}
}
QWidget* NTSCFilter::settings() {
if(!widget) {
widget = new QWidget;
widget->setWindowTitle("NTSC Filter Configuration");
layout = new QVBoxLayout;
layout->setAlignment(Qt::AlignTop);
widget->setLayout(layout);
gridLayout = new QGridLayout;
layout->addLayout(gridLayout);
basicSettings = new QLabel("<b>Basic settings:</b>");
gridLayout->addWidget(basicSettings, 0, 0, 1, 3);
hueLabel = new QLabel("Hue:");
gridLayout->addWidget(hueLabel, 1, 0);
hueValue = new QLabel;
hueValue->setMinimumWidth(hueValue->fontMetrics().width("-100.0"));
hueValue->setAlignment(Qt::AlignHCenter);
gridLayout->addWidget(hueValue, 1, 1);
hueSlider = new QSlider(Qt::Horizontal);
hueSlider->setMinimum(-100);
hueSlider->setMaximum(+100);
gridLayout->addWidget(hueSlider, 1, 2);
saturationLabel = new QLabel("Saturation:");
gridLayout->addWidget(saturationLabel, 2, 0);
saturationValue = new QLabel;
saturationValue->setAlignment(Qt::AlignHCenter);
gridLayout->addWidget(saturationValue, 2, 1);
saturationSlider = new QSlider(Qt::Horizontal);
saturationSlider->setMinimum(-100);
saturationSlider->setMaximum(+100);
gridLayout->addWidget(saturationSlider, 2, 2);
contrastLabel = new QLabel("Contrast:");
gridLayout->addWidget(contrastLabel, 3, 0);
contrastValue = new QLabel;
contrastValue->setAlignment(Qt::AlignHCenter);
gridLayout->addWidget(contrastValue, 3, 1);
contrastSlider = new QSlider(Qt::Horizontal);
contrastSlider->setMinimum(-100);
contrastSlider->setMaximum(+100);
gridLayout->addWidget(contrastSlider, 3, 2);
brightnessLabel = new QLabel("Brightness:");
gridLayout->addWidget(brightnessLabel, 4, 0);
brightnessValue = new QLabel;
brightnessValue->setAlignment(Qt::AlignHCenter);
gridLayout->addWidget(brightnessValue, 4, 1);
brightnessSlider = new QSlider(Qt::Horizontal);
brightnessSlider->setMinimum(-100);
brightnessSlider->setMaximum(+100);
gridLayout->addWidget(brightnessSlider, 4, 2);
sharpnessLabel = new QLabel("Sharpness:");
gridLayout->addWidget(sharpnessLabel, 5, 0);
sharpnessValue = new QLabel;
sharpnessValue->setAlignment(Qt::AlignHCenter);
gridLayout->addWidget(sharpnessValue, 5, 1);
sharpnessSlider = new QSlider(Qt::Horizontal);
sharpnessSlider->setMinimum(-100);
sharpnessSlider->setMaximum(+100);
gridLayout->addWidget(sharpnessSlider, 5, 2);
advancedSettings = new QLabel("<b>Advanced settings:</b>");
gridLayout->addWidget(advancedSettings, 6, 0, 1, 3);
gammaLabel = new QLabel("Gamma:");
gridLayout->addWidget(gammaLabel, 7, 0);
gammaValue = new QLabel;
gammaValue->setAlignment(Qt::AlignHCenter);
gridLayout->addWidget(gammaValue, 7, 1);
gammaSlider = new QSlider(Qt::Horizontal);
gammaSlider->setMinimum(-100);
gammaSlider->setMaximum(+100);
gridLayout->addWidget(gammaSlider, 7, 2);
resolutionLabel = new QLabel("Resolution:");
gridLayout->addWidget(resolutionLabel, 8, 0);
resolutionValue = new QLabel;
resolutionValue->setAlignment(Qt::AlignHCenter);
gridLayout->addWidget(resolutionValue, 8, 1);
resolutionSlider = new QSlider(Qt::Horizontal);
resolutionSlider->setMinimum(-100);
resolutionSlider->setMaximum(+100);
gridLayout->addWidget(resolutionSlider, 8, 2);
artifactsLabel = new QLabel("Artifacts:");
gridLayout->addWidget(artifactsLabel, 9, 0);
artifactsValue = new QLabel;
artifactsValue->setAlignment(Qt::AlignHCenter);
gridLayout->addWidget(artifactsValue, 9, 1);
artifactsSlider = new QSlider(Qt::Horizontal);
artifactsSlider->setMinimum(-100);
artifactsSlider->setMaximum(+100);
gridLayout->addWidget(artifactsSlider, 9, 2);
fringingLabel = new QLabel("Fringing:");
gridLayout->addWidget(fringingLabel, 10, 0);
fringingValue = new QLabel;
fringingValue->setAlignment(Qt::AlignHCenter);
gridLayout->addWidget(fringingValue, 10, 1);
fringingSlider = new QSlider(Qt::Horizontal);
fringingSlider->setMinimum(-100);
fringingSlider->setMaximum(+100);
gridLayout->addWidget(fringingSlider, 10, 2);
bleedLabel = new QLabel("Color bleed:");
gridLayout->addWidget(bleedLabel, 11, 0);
bleedValue = new QLabel;
bleedValue->setAlignment(Qt::AlignHCenter);
gridLayout->addWidget(bleedValue, 11, 1);
bleedSlider = new QSlider(Qt::Horizontal);
bleedSlider->setMinimum(-100);
bleedSlider->setMaximum(+100);
gridLayout->addWidget(bleedSlider, 11, 2);
mergeFieldsBox = new QCheckBox("Merge even and odd fields to reduce flicker");
gridLayout->addWidget(mergeFieldsBox, 12, 0, 1, 3);
presets = new QLabel("<b>Presets:</b>");
gridLayout->addWidget(presets, 13, 0, 1, 3);
controlLayout = new QHBoxLayout;
layout->addLayout(controlLayout);
rfPreset = new QPushButton("RF");
controlLayout->addWidget(rfPreset);
compositePreset = new QPushButton("Composite");
controlLayout->addWidget(compositePreset);
svideoPreset = new QPushButton("S-Video");
controlLayout->addWidget(svideoPreset);
rgbPreset = new QPushButton("RGB");
controlLayout->addWidget(rgbPreset);
monoPreset = new QPushButton("Monochrome");
controlLayout->addWidget(monoPreset);
spacer = new QWidget;
spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
spacer->setMinimumWidth(50);
controlLayout->addWidget(spacer);
ok = new QPushButton("Ok");
controlLayout->addWidget(ok);
blockSignals = true;
loadSettingsFromConfig();
syncUiToSettings();
initialize();
connect(hueSlider, SIGNAL(valueChanged(int)), this, SLOT(syncSettingsToUi()));
connect(saturationSlider, SIGNAL(valueChanged(int)), this, SLOT(syncSettingsToUi()));
connect(contrastSlider, SIGNAL(valueChanged(int)), this, SLOT(syncSettingsToUi()));
connect(brightnessSlider, SIGNAL(valueChanged(int)), this, SLOT(syncSettingsToUi()));
connect(sharpnessSlider, SIGNAL(valueChanged(int)), this, SLOT(syncSettingsToUi()));
connect(gammaSlider, SIGNAL(valueChanged(int)), this, SLOT(syncSettingsToUi()));
connect(resolutionSlider, SIGNAL(valueChanged(int)), this, SLOT(syncSettingsToUi()));
connect(artifactsSlider, SIGNAL(valueChanged(int)), this, SLOT(syncSettingsToUi()));
connect(fringingSlider, SIGNAL(valueChanged(int)), this, SLOT(syncSettingsToUi()));
connect(bleedSlider, SIGNAL(valueChanged(int)), this, SLOT(syncSettingsToUi()));
connect(mergeFieldsBox, SIGNAL(stateChanged(int)), this, SLOT(syncSettingsToUi()));
connect(rfPreset, SIGNAL(released()), this, SLOT(setRfPreset()));
connect(compositePreset, SIGNAL(released()), this, SLOT(setCompositePreset()));
connect(svideoPreset, SIGNAL(released()), this, SLOT(setSvideoPreset()));
connect(rgbPreset, SIGNAL(released()), this, SLOT(setRgbPreset()));
connect(monoPreset, SIGNAL(released()), this, SLOT(setMonoPreset()));
connect(ok, SIGNAL(released()), widget, SLOT(hide()));
blockSignals = false;
}
return widget;
}
void NTSCFilter::initialize() {
burst = 0;
burst_toggle = (setup.merge_fields ? 0 : 1); //don't toggle burst when fields are merged
snes_ntsc_init(ntsc, &setup);
}
void NTSCFilter::loadSettingsFromConfig() {
setup.hue = hue;
setup.saturation = saturation;
setup.contrast = contrast;
setup.brightness = brightness;
setup.sharpness = sharpness;
setup.gamma = gamma;
setup.resolution = resolution;
setup.artifacts = artifacts;
setup.fringing = fringing;
setup.bleed = bleed;
setup.merge_fields = mergeFields;
}
void NTSCFilter::syncUiToSettings() {
blockSignals = true;
hue = setup.hue;
saturation = setup.saturation;
contrast = setup.contrast;
brightness = setup.brightness;
sharpness = setup.sharpness;
gamma = setup.gamma;
resolution = setup.resolution;
artifacts = setup.artifacts;
fringing = setup.fringing;
bleed = setup.bleed;
mergeFields = setup.merge_fields;
hueValue->setText(string() << hue);
hueSlider->setSliderPosition(hue * 100);
saturationValue->setText(string() << saturation);
saturationSlider->setSliderPosition(saturation * 100);
contrastValue->setText(string() << contrast);
contrastSlider->setSliderPosition(contrast * 100);
brightnessValue->setText(string() << brightness);
brightnessSlider->setSliderPosition(brightness * 100);
sharpnessValue->setText(string() << sharpness);
sharpnessSlider->setSliderPosition(sharpness * 100);
gammaValue->setText(string() << gamma);
gammaSlider->setSliderPosition(gamma * 100);
resolutionValue->setText(string() << resolution);
resolutionSlider->setSliderPosition(resolution * 100);
artifactsValue->setText(string() << artifacts);
artifactsSlider->setSliderPosition(artifacts * 100);
fringingValue->setText(string() << fringing);
fringingSlider->setSliderPosition(fringing * 100);
bleedValue->setText(string() << bleed);
bleedSlider->setSliderPosition(bleed * 100);
mergeFieldsBox->setChecked(mergeFields);
blockSignals = false;
}
void NTSCFilter::syncSettingsToUi() {
if(blockSignals) return;
hue = hueSlider->sliderPosition() / 100.0;
saturation = saturationSlider->sliderPosition() / 100.0;
contrast = contrastSlider->sliderPosition() / 100.0;
brightness = brightnessSlider->sliderPosition() / 100.0;
sharpness = sharpnessSlider->sliderPosition() / 100.0;
gamma = gammaSlider->sliderPosition() / 100.0;
resolution = resolutionSlider->sliderPosition() / 100.0;
artifacts = artifactsSlider->sliderPosition() / 100.0;
fringing = fringingSlider->sliderPosition() / 100.0;
bleed = bleedSlider->sliderPosition() / 100.0;
mergeFields = mergeFieldsBox->isChecked();
loadSettingsFromConfig();
syncUiToSettings();
initialize();
}
void NTSCFilter::setRfPreset() {
static snes_ntsc_setup_t defaults;
setup = defaults;
syncUiToSettings();
initialize();
}
void NTSCFilter::setCompositePreset() {
setup = snes_ntsc_composite;
syncUiToSettings();
initialize();
}
void NTSCFilter::setSvideoPreset() {
setup = snes_ntsc_svideo;
syncUiToSettings();
initialize();
}
void NTSCFilter::setRgbPreset() {
setup = snes_ntsc_rgb;
syncUiToSettings();
initialize();
}
void NTSCFilter::setMonoPreset() {
setup = snes_ntsc_monochrome;
syncUiToSettings();
initialize();
}
NTSCFilter::NTSCFilter() : widget(0) {
ntsc = (snes_ntsc_t*)malloc(sizeof *ntsc);
static snes_ntsc_setup_t defaults;
setup = defaults;
initialize();
}
NTSCFilter::~NTSCFilter() {
if(ntsc) free(ntsc);
}

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snesfilter/ntsc/ntsc.moc.hpp
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class NTSCFilter : public QObject {
Q_OBJECT
public:
void bind(configuration&);
void size(unsigned&, unsigned&, unsigned, unsigned);
void render(uint32_t*, unsigned, const uint16_t*, unsigned, const unsigned*, unsigned, unsigned);
QWidget* settings();
NTSCFilter();
~NTSCFilter();
private:
void initialize();
void loadSettingsFromConfig();
void syncUiToSettings();
private slots:
void syncSettingsToUi();
void setRfPreset();
void setCompositePreset();
void setSvideoPreset();
void setRgbPreset();
void setMonoPreset();
private:
QWidget *widget;
QVBoxLayout *layout;
QGridLayout *gridLayout;
QLabel *basicSettings;
QLabel *hueLabel;
QLabel *hueValue;
QSlider *hueSlider;
QLabel *saturationLabel;
QLabel *saturationValue;
QSlider *saturationSlider;
QLabel *contrastLabel;
QLabel *contrastValue;
QSlider *contrastSlider;
QLabel *brightnessLabel;
QLabel *brightnessValue;
QSlider *brightnessSlider;
QLabel *sharpnessLabel;
QLabel *sharpnessValue;
QSlider *sharpnessSlider;
QLabel *advancedSettings;
QLabel *gammaLabel;
QLabel *gammaValue;
QSlider *gammaSlider;
QLabel *resolutionLabel;
QLabel *resolutionValue;
QSlider *resolutionSlider;
QLabel *artifactsLabel;
QLabel *artifactsValue;
QSlider *artifactsSlider;
QLabel *fringingLabel;
QLabel *fringingValue;
QSlider *fringingSlider;
QLabel *bleedLabel;
QLabel *bleedValue;
QSlider *bleedSlider;
QCheckBox *mergeFieldsBox;
QLabel *presets;
QHBoxLayout *controlLayout;
QPushButton *rfPreset;
QPushButton *compositePreset;
QPushButton *svideoPreset;
QPushButton *rgbPreset;
QPushButton *monoPreset;
QWidget *spacer;
QPushButton *ok;
bool blockSignals;
struct snes_ntsc_t *ntsc;
snes_ntsc_setup_t setup;
int burst, burst_toggle;
//settings
double hue;
double saturation;
double contrast;
double brightness;
double sharpness;
double gamma;
double resolution;
double artifacts;
double fringing;
double bleed;
bool mergeFields;
} filter_ntsc;

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snesfilter/ntsc/snes_ntsc/snes_ntsc.c
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/* snes_ntsc 0.2.2. http://www.slack.net/~ant/ */
#include "snes_ntsc.h"
/* Copyright (C) 2006-2007 Shay Green. This module is free software; you
can redistribute it and/or modify it under the terms of the GNU Lesser
General Public License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version. This
module is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
details. You should have received a copy of the GNU Lesser General Public
License along with this module; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
snes_ntsc_setup_t const snes_ntsc_monochrome = { 0,-1, 0, 0,.2, 0,.2,-.2,-.2,-1, 1, 0, 0 };
snes_ntsc_setup_t const snes_ntsc_composite = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 };
snes_ntsc_setup_t const snes_ntsc_svideo = { 0, 0, 0, 0,.2, 0,.2, -1, -1, 0, 1, 0, 0 };
snes_ntsc_setup_t const snes_ntsc_rgb = { 0, 0, 0, 0,.2, 0,.7, -1, -1,-1, 1, 0, 0 };
#define alignment_count 3
#define burst_count 3
#define rescale_in 8
#define rescale_out 7
#define artifacts_mid 1.0f
#define fringing_mid 1.0f
#define std_decoder_hue 0
#define rgb_bits 7 /* half normal range to allow for doubled hires pixels */
#define gamma_size 32
#include "snes_ntsc_impl.h"
/* 3 input pixels -> 8 composite samples */
pixel_info_t const snes_ntsc_pixels [alignment_count] = {
{ PIXEL_OFFSET( -4, -9 ), { 1, 1, .6667f, 0 } },
{ PIXEL_OFFSET( -2, -7 ), { .3333f, 1, 1, .3333f } },
{ PIXEL_OFFSET( 0, -5 ), { 0, .6667f, 1, 1 } },
};
static void merge_kernel_fields( snes_ntsc_rgb_t* io )
{
int n;
for ( n = burst_size; n; --n )
{
snes_ntsc_rgb_t p0 = io [burst_size * 0] + rgb_bias;
snes_ntsc_rgb_t p1 = io [burst_size * 1] + rgb_bias;
snes_ntsc_rgb_t p2 = io [burst_size * 2] + rgb_bias;
/* merge colors without losing precision */
io [burst_size * 0] =
((p0 + p1 - ((p0 ^ p1) & snes_ntsc_rgb_builder)) >> 1) - rgb_bias;
io [burst_size * 1] =
((p1 + p2 - ((p1 ^ p2) & snes_ntsc_rgb_builder)) >> 1) - rgb_bias;
io [burst_size * 2] =
((p2 + p0 - ((p2 ^ p0) & snes_ntsc_rgb_builder)) >> 1) - rgb_bias;
++io;
}
}
static void correct_errors( snes_ntsc_rgb_t color, snes_ntsc_rgb_t* out )
{
int n;
for ( n = burst_count; n; --n )
{
unsigned i;
for ( i = 0; i < rgb_kernel_size / 2; i++ )
{
snes_ntsc_rgb_t error = color -
out [i ] - out [(i+12)%14+14] - out [(i+10)%14+28] -
out [i + 7] - out [i + 5 +14] - out [i + 3 +28];
DISTRIBUTE_ERROR( i+3+28, i+5+14, i+7 );
}
out += alignment_count * rgb_kernel_size;
}
}
void snes_ntsc_init( snes_ntsc_t* ntsc, snes_ntsc_setup_t const* setup )
{
int merge_fields;
int entry;
init_t impl;
if ( !setup )
setup = &snes_ntsc_composite;
init( &impl, setup );
merge_fields = setup->merge_fields;
if ( setup->artifacts <= -1 && setup->fringing <= -1 )
merge_fields = 1;
for ( entry = 0; entry < snes_ntsc_palette_size; entry++ )
{
/* Reduce number of significant bits of source color. Clearing the
low bits of R and B were least notictable. Modifying green was too
noticeable. */
int ir = entry >> 8 & 0x1E;
int ig = entry >> 4 & 0x1F;
int ib = entry << 1 & 0x1E;
#if SNES_NTSC_BSNES_COLORTBL
if ( setup->bsnes_colortbl )
{
int bgr15 = (ib << 10) | (ig << 5) | ir;
unsigned long rgb16 = setup->bsnes_colortbl [bgr15];
ir = rgb16 >> 11 & 0x1E;
ig = rgb16 >> 6 & 0x1F;
ib = rgb16 & 0x1E;
}
#endif
{
float rr = impl.to_float [ir];
float gg = impl.to_float [ig];
float bb = impl.to_float [ib];
float y, i, q = RGB_TO_YIQ( rr, gg, bb, y, i );
int r, g, b = YIQ_TO_RGB( y, i, q, impl.to_rgb, int, r, g );
snes_ntsc_rgb_t rgb = PACK_RGB( r, g, b );
snes_ntsc_rgb_t* out = ntsc->table [entry];
gen_kernel( &impl, y, i, q, out );
if ( merge_fields )
merge_kernel_fields( out );
correct_errors( rgb, out );
}
}
}
#ifndef SNES_NTSC_NO_BLITTERS
void snes_ntsc_blit( snes_ntsc_t const* ntsc, SNES_NTSC_IN_T const* input, long in_row_width,
int burst_phase, int in_width, int in_height, void* rgb_out, long out_pitch )
{
int chunk_count = (in_width - 1) / snes_ntsc_in_chunk;
for ( ; in_height; --in_height )
{
SNES_NTSC_IN_T const* line_in = input;
SNES_NTSC_BEGIN_ROW( ntsc, burst_phase,
snes_ntsc_black, snes_ntsc_black, SNES_NTSC_ADJ_IN( *line_in ) );
snes_ntsc_out_t* restrict line_out = (snes_ntsc_out_t*) rgb_out;
int n;
++line_in;
for ( n = chunk_count; n; --n )
{
/* order of input and output pixels must not be altered */
SNES_NTSC_COLOR_IN( 0, SNES_NTSC_ADJ_IN( line_in [0] ) );
SNES_NTSC_RGB_OUT( 0, line_out [0], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_RGB_OUT( 1, line_out [1], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_COLOR_IN( 1, SNES_NTSC_ADJ_IN( line_in [1] ) );
SNES_NTSC_RGB_OUT( 2, line_out [2], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_RGB_OUT( 3, line_out [3], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_COLOR_IN( 2, SNES_NTSC_ADJ_IN( line_in [2] ) );
SNES_NTSC_RGB_OUT( 4, line_out [4], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_RGB_OUT( 5, line_out [5], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_RGB_OUT( 6, line_out [6], SNES_NTSC_OUT_DEPTH );
line_in += 3;
line_out += 7;
}
/* finish final pixels */
SNES_NTSC_COLOR_IN( 0, snes_ntsc_black );
SNES_NTSC_RGB_OUT( 0, line_out [0], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_RGB_OUT( 1, line_out [1], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_COLOR_IN( 1, snes_ntsc_black );
SNES_NTSC_RGB_OUT( 2, line_out [2], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_RGB_OUT( 3, line_out [3], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_COLOR_IN( 2, snes_ntsc_black );
SNES_NTSC_RGB_OUT( 4, line_out [4], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_RGB_OUT( 5, line_out [5], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_RGB_OUT( 6, line_out [6], SNES_NTSC_OUT_DEPTH );
burst_phase = (burst_phase + 1) % snes_ntsc_burst_count;
input += in_row_width;
rgb_out = (char*) rgb_out + out_pitch;
}
}
void snes_ntsc_blit_hires( snes_ntsc_t const* ntsc, SNES_NTSC_IN_T const* input, long in_row_width,
int burst_phase, int in_width, int in_height, void* rgb_out, long out_pitch )
{
int chunk_count = (in_width - 2) / (snes_ntsc_in_chunk * 2);
for ( ; in_height; --in_height )
{
SNES_NTSC_IN_T const* line_in = input;
SNES_NTSC_HIRES_ROW( ntsc, burst_phase,
snes_ntsc_black, snes_ntsc_black, snes_ntsc_black,
SNES_NTSC_ADJ_IN( line_in [0] ),
SNES_NTSC_ADJ_IN( line_in [1] ) );
snes_ntsc_out_t* restrict line_out = (snes_ntsc_out_t*) rgb_out;
int n;
line_in += 2;
for ( n = chunk_count; n; --n )
{
/* twice as many input pixels per chunk */
SNES_NTSC_COLOR_IN( 0, SNES_NTSC_ADJ_IN( line_in [0] ) );
SNES_NTSC_HIRES_OUT( 0, line_out [0], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_COLOR_IN( 1, SNES_NTSC_ADJ_IN( line_in [1] ) );
SNES_NTSC_HIRES_OUT( 1, line_out [1], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_COLOR_IN( 2, SNES_NTSC_ADJ_IN( line_in [2] ) );
SNES_NTSC_HIRES_OUT( 2, line_out [2], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_COLOR_IN( 3, SNES_NTSC_ADJ_IN( line_in [3] ) );
SNES_NTSC_HIRES_OUT( 3, line_out [3], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_COLOR_IN( 4, SNES_NTSC_ADJ_IN( line_in [4] ) );
SNES_NTSC_HIRES_OUT( 4, line_out [4], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_COLOR_IN( 5, SNES_NTSC_ADJ_IN( line_in [5] ) );
SNES_NTSC_HIRES_OUT( 5, line_out [5], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_HIRES_OUT( 6, line_out [6], SNES_NTSC_OUT_DEPTH );
line_in += 6;
line_out += 7;
}
SNES_NTSC_COLOR_IN( 0, snes_ntsc_black );
SNES_NTSC_HIRES_OUT( 0, line_out [0], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_COLOR_IN( 1, snes_ntsc_black );
SNES_NTSC_HIRES_OUT( 1, line_out [1], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_COLOR_IN( 2, snes_ntsc_black );
SNES_NTSC_HIRES_OUT( 2, line_out [2], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_COLOR_IN( 3, snes_ntsc_black );
SNES_NTSC_HIRES_OUT( 3, line_out [3], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_COLOR_IN( 4, snes_ntsc_black );
SNES_NTSC_HIRES_OUT( 4, line_out [4], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_COLOR_IN( 5, snes_ntsc_black );
SNES_NTSC_HIRES_OUT( 5, line_out [5], SNES_NTSC_OUT_DEPTH );
SNES_NTSC_HIRES_OUT( 6, line_out [6], SNES_NTSC_OUT_DEPTH );
burst_phase = (burst_phase + 1) % snes_ntsc_burst_count;
input += in_row_width;
rgb_out = (char*) rgb_out + out_pitch;
}
}
#endif

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snesfilter/ntsc/snes_ntsc/snes_ntsc.h
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/* SNES NTSC video filter */
/* snes_ntsc 0.2.2 */
#ifndef SNES_NTSC_H
#define SNES_NTSC_H
#include "snes_ntsc_config.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Image parameters, ranging from -1.0 to 1.0. Actual internal values shown
in parenthesis and should remain fairly stable in future versions. */
typedef struct snes_ntsc_setup_t
{
/* Basic parameters */
double hue; /* -1 = -180 degrees +1 = +180 degrees */
double saturation; /* -1 = grayscale (0.0) +1 = oversaturated colors (2.0) */
double contrast; /* -1 = dark (0.5) +1 = light (1.5) */
double brightness; /* -1 = dark (0.5) +1 = light (1.5) */
double sharpness; /* edge contrast enhancement/blurring */
/* Advanced parameters */
double gamma; /* -1 = dark (1.5) +1 = light (0.5) */
double resolution; /* image resolution */
double artifacts; /* artifacts caused by color changes */
double fringing; /* color artifacts caused by brightness changes */
double bleed; /* color bleed (color resolution reduction) */
int merge_fields; /* if 1, merges even and odd fields together to reduce flicker */
float const* decoder_matrix; /* optional RGB decoder matrix, 6 elements */
unsigned long const* bsnes_colortbl; /* undocumented; set to 0 */
} snes_ntsc_setup_t;
/* Video format presets */
extern snes_ntsc_setup_t const snes_ntsc_composite; /* color bleeding + artifacts */
extern snes_ntsc_setup_t const snes_ntsc_svideo; /* color bleeding only */
extern snes_ntsc_setup_t const snes_ntsc_rgb; /* crisp image */
extern snes_ntsc_setup_t const snes_ntsc_monochrome;/* desaturated + artifacts */
/* Initializes and adjusts parameters. Can be called multiple times on the same
snes_ntsc_t object. Can pass NULL for either parameter. */
typedef struct snes_ntsc_t snes_ntsc_t;
void snes_ntsc_init( snes_ntsc_t* ntsc, snes_ntsc_setup_t const* setup );
/* Filters one or more rows of pixels. Input pixel format is set by SNES_NTSC_IN_FORMAT
and output RGB depth is set by SNES_NTSC_OUT_DEPTH. Both default to 16-bit RGB.
In_row_width is the number of pixels to get to the next input row. Out_pitch
is the number of *bytes* to get to the next output row. */
void snes_ntsc_blit( snes_ntsc_t const* ntsc, SNES_NTSC_IN_T const* input,
long in_row_width, int burst_phase, int in_width, int in_height,
void* rgb_out, long out_pitch );
void snes_ntsc_blit_hires( snes_ntsc_t const* ntsc, SNES_NTSC_IN_T const* input,
long in_row_width, int burst_phase, int in_width, int in_height,
void* rgb_out, long out_pitch );
/* Number of output pixels written by low-res blitter for given input width. Width
might be rounded down slightly; use SNES_NTSC_IN_WIDTH() on result to find rounded
value. Guaranteed not to round 256 down at all. */
#define SNES_NTSC_OUT_WIDTH( in_width ) \
((((in_width) - 1) / snes_ntsc_in_chunk + 1) * snes_ntsc_out_chunk)
/* Number of low-res input pixels that will fit within given output width. Might be
rounded down slightly; use SNES_NTSC_OUT_WIDTH() on result to find rounded
value. */
#define SNES_NTSC_IN_WIDTH( out_width ) \
(((out_width) / snes_ntsc_out_chunk - 1) * snes_ntsc_in_chunk + 1)
/* Interface for user-defined custom blitters */
enum { snes_ntsc_in_chunk = 3 }; /* number of input pixels read per chunk */
enum { snes_ntsc_out_chunk = 7 }; /* number of output pixels generated per chunk */
enum { snes_ntsc_black = 0 }; /* palette index for black */
enum { snes_ntsc_burst_count = 3 }; /* burst phase cycles through 0, 1, and 2 */
/* Begins outputting row and starts three pixels. First pixel will be cut off a bit.
Use snes_ntsc_black for unused pixels. Declares variables, so must be before first
statement in a block (unless you're using C++). */
#define SNES_NTSC_BEGIN_ROW( ntsc, burst, pixel0, pixel1, pixel2 ) \
char const* ktable = \
(char const*) (ntsc)->table + burst * (snes_ntsc_burst_size * sizeof (snes_ntsc_rgb_t));\
SNES_NTSC_BEGIN_ROW_6_( pixel0, pixel1, pixel2, SNES_NTSC_IN_FORMAT, ktable )
/* Begins input pixel */
#define SNES_NTSC_COLOR_IN( index, color ) \
SNES_NTSC_COLOR_IN_( index, color, SNES_NTSC_IN_FORMAT, ktable )
/* Generates output pixel. Bits can be 24, 16, 15, 14, 32 (treated as 24), or 0:
24: RRRRRRRR GGGGGGGG BBBBBBBB (8-8-8 RGB)
16: RRRRRGGG GGGBBBBB (5-6-5 RGB)
15: RRRRRGG GGGBBBBB (5-5-5 RGB)
14: BBBBBGG GGGRRRRR (5-5-5 BGR, native SNES format)
0: xxxRRRRR RRRxxGGG GGGGGxxB BBBBBBBx (native internal format; x = junk bits) */
#define SNES_NTSC_RGB_OUT( index, rgb_out, bits ) \
SNES_NTSC_RGB_OUT_14_( index, rgb_out, bits, 1 )
/* Hires equivalents */
#define SNES_NTSC_HIRES_ROW( ntsc, burst, pixel1, pixel2, pixel3, pixel4, pixel5 ) \
char const* ktable = \
(char const*) (ntsc)->table + burst * (snes_ntsc_burst_size * sizeof (snes_ntsc_rgb_t));\
unsigned const snes_ntsc_pixel1_ = (pixel1);\
snes_ntsc_rgb_t const* kernel1 = SNES_NTSC_IN_FORMAT( ktable, snes_ntsc_pixel1_ );\
unsigned const snes_ntsc_pixel2_ = (pixel2);\
snes_ntsc_rgb_t const* kernel2 = SNES_NTSC_IN_FORMAT( ktable, snes_ntsc_pixel2_ );\
unsigned const snes_ntsc_pixel3_ = (pixel3);\
snes_ntsc_rgb_t const* kernel3 = SNES_NTSC_IN_FORMAT( ktable, snes_ntsc_pixel3_ );\
unsigned const snes_ntsc_pixel4_ = (pixel4);\
snes_ntsc_rgb_t const* kernel4 = SNES_NTSC_IN_FORMAT( ktable, snes_ntsc_pixel4_ );\
unsigned const snes_ntsc_pixel5_ = (pixel5);\
snes_ntsc_rgb_t const* kernel5 = SNES_NTSC_IN_FORMAT( ktable, snes_ntsc_pixel5_ );\
snes_ntsc_rgb_t const* kernel0 = kernel1;\
snes_ntsc_rgb_t const* kernelx0;\
snes_ntsc_rgb_t const* kernelx1 = kernel1;\
snes_ntsc_rgb_t const* kernelx2 = kernel1;\
snes_ntsc_rgb_t const* kernelx3 = kernel1;\
snes_ntsc_rgb_t const* kernelx4 = kernel1;\
snes_ntsc_rgb_t const* kernelx5 = kernel1
#define SNES_NTSC_HIRES_OUT( x, rgb_out, bits ) {\
snes_ntsc_rgb_t raw_ =\
kernel0 [ x ] + kernel2 [(x+5)%7+14] + kernel4 [(x+3)%7+28] +\
kernelx0 [(x+7)%7+7] + kernelx2 [(x+5)%7+21] + kernelx4 [(x+3)%7+35] +\
kernel1 [(x+6)%7 ] + kernel3 [(x+4)%7+14] + kernel5 [(x+2)%7+28] +\
kernelx1 [(x+6)%7+7] + kernelx3 [(x+4)%7+21] + kernelx5 [(x+2)%7+35];\
SNES_NTSC_CLAMP_( raw_, 0 );\
SNES_NTSC_RGB_OUT_( rgb_out, (bits), 0 );\
}
/* private */
enum { snes_ntsc_entry_size = 128 };
enum { snes_ntsc_palette_size = 0x2000 };
typedef unsigned long snes_ntsc_rgb_t;
struct snes_ntsc_t {
snes_ntsc_rgb_t table [snes_ntsc_palette_size] [snes_ntsc_entry_size];
};
enum { snes_ntsc_burst_size = snes_ntsc_entry_size / snes_ntsc_burst_count };
#define SNES_NTSC_RGB16( ktable, n ) \
(snes_ntsc_rgb_t const*) (ktable + ((n & 0x001E) | (n >> 1 & 0x03E0) | (n >> 2 & 0x3C00)) * \
(snes_ntsc_entry_size / 2 * sizeof (snes_ntsc_rgb_t)))
#define SNES_NTSC_BGR15( ktable, n ) \
(snes_ntsc_rgb_t const*) (ktable + ((n << 9 & 0x3C00) | (n & 0x03E0) | (n >> 10 & 0x001E)) * \
(snes_ntsc_entry_size / 2 * sizeof (snes_ntsc_rgb_t)))
/* common 3->7 ntsc macros */
#define SNES_NTSC_BEGIN_ROW_6_( pixel0, pixel1, pixel2, ENTRY, table ) \
unsigned const snes_ntsc_pixel0_ = (pixel0);\
snes_ntsc_rgb_t const* kernel0 = ENTRY( table, snes_ntsc_pixel0_ );\
unsigned const snes_ntsc_pixel1_ = (pixel1);\
snes_ntsc_rgb_t const* kernel1 = ENTRY( table, snes_ntsc_pixel1_ );\
unsigned const snes_ntsc_pixel2_ = (pixel2);\
snes_ntsc_rgb_t const* kernel2 = ENTRY( table, snes_ntsc_pixel2_ );\
snes_ntsc_rgb_t const* kernelx0;\
snes_ntsc_rgb_t const* kernelx1 = kernel0;\
snes_ntsc_rgb_t const* kernelx2 = kernel0
#define SNES_NTSC_RGB_OUT_14_( x, rgb_out, bits, shift ) {\
snes_ntsc_rgb_t raw_ =\
kernel0 [x ] + kernel1 [(x+12)%7+14] + kernel2 [(x+10)%7+28] +\
kernelx0 [(x+7)%14] + kernelx1 [(x+ 5)%7+21] + kernelx2 [(x+ 3)%7+35];\
SNES_NTSC_CLAMP_( raw_, shift );\
SNES_NTSC_RGB_OUT_( rgb_out, bits, shift );\
}
/* common ntsc macros */
#define snes_ntsc_rgb_builder ((1L << 21) | (1 << 11) | (1 << 1))
#define snes_ntsc_clamp_mask (snes_ntsc_rgb_builder * 3 / 2)
#define snes_ntsc_clamp_add (snes_ntsc_rgb_builder * 0x101)
#define SNES_NTSC_CLAMP_( io, shift ) {\
snes_ntsc_rgb_t sub = (io) >> (9-(shift)) & snes_ntsc_clamp_mask;\
snes_ntsc_rgb_t clamp = snes_ntsc_clamp_add - sub;\
io |= clamp;\
clamp -= sub;\
io &= clamp;\
}
#define SNES_NTSC_COLOR_IN_( index, color, ENTRY, table ) {\
unsigned color_;\
kernelx##index = kernel##index;\
kernel##index = (color_ = (color), ENTRY( table, color_ ));\
}
/* x is always zero except in snes_ntsc library */
/* original routine */
/*
#define SNES_NTSC_RGB_OUT_( rgb_out, bits, x ) {\
if ( bits == 16 )\
rgb_out = (raw_>>(13-x)& 0xF800)|(raw_>>(8-x)&0x07E0)|(raw_>>(4-x)&0x001F);\
if ( bits == 24 || bits == 32 )\
rgb_out = (raw_>>(5-x)&0xFF0000)|(raw_>>(3-x)&0xFF00)|(raw_>>(1-x)&0xFF);\
if ( bits == 15 )\
rgb_out = (raw_>>(14-x)& 0x7C00)|(raw_>>(9-x)&0x03E0)|(raw_>>(4-x)&0x001F);\
if ( bits == 14 )\
rgb_out = (raw_>>(24-x)& 0x001F)|(raw_>>(9-x)&0x03E0)|(raw_<<(6+x)&0x7C00);\
if ( bits == 0 )\
rgb_out = raw_ << x;\
}
*/
/* custom bsnes routine -- hooks into bsnes colortable */
#define SNES_NTSC_RGB_OUT_( rgb_out, bits, x ) {\
if ( bits == 16 ) {\
rgb_out = (raw_>>(13-x)& 0xF800)|(raw_>>(8-x)&0x07E0)|(raw_>>(4-x)&0x001F);\
rgb_out = ((rgb_out&0xf800)>>11)|((rgb_out&0x07c0)>>1)|((rgb_out&0x001f)<<10);\
rgb_out = colortable[rgb_out];\
} else if ( bits == 24 || bits == 32 ) {\
rgb_out = (raw_>>(5-x)&0xFF0000)|(raw_>>(3-x)&0xFF00)|(raw_>>(1-x)&0xFF);\
rgb_out = ((rgb_out&0xf80000)>>19)|((rgb_out&0x00f800)>>6)|((rgb_out&0x0000f8)<<7);\
rgb_out = colortable[rgb_out];\
} else if ( bits == 15 ) {\
rgb_out = (raw_>>(14-x)& 0x7C00)|(raw_>>(9-x)&0x03E0)|(raw_>>(4-x)&0x001F);\
rgb_out = ((rgb_out&0x7c00)>>10)|((rgb_out&0x03e0))|((rgb_out&0x001f)<<10);\
rgb_out = colortable[rgb_out];\
} else {\
rgb_out = raw_ << x;\
}\
}
#ifdef __cplusplus
}
#endif
#endif

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/* Configure library by modifying this file */
#ifndef SNES_NTSC_CONFIG_H
#define SNES_NTSC_CONFIG_H
/* Format of source pixels */
/* #define SNES_NTSC_IN_FORMAT SNES_NTSC_RGB16 */
#define SNES_NTSC_IN_FORMAT SNES_NTSC_BGR15
/* The following affect the built-in blitter only; a custom blitter can
handle things however it wants. */
/* Bits per pixel of output. Can be 15, 16, 32, or 24 (same as 32). */
#define SNES_NTSC_OUT_DEPTH 32
/* Type of input pixel values */
#define SNES_NTSC_IN_T unsigned short
/* Each raw pixel input value is passed through this. You might want to mask
the pixel index if you use the high bits as flags, etc. */
#define SNES_NTSC_ADJ_IN( in ) in
/* For each pixel, this is the basic operation:
output_color = SNES_NTSC_ADJ_IN( SNES_NTSC_IN_T ) */
#endif

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/* snes_ntsc 0.2.2. http://www.slack.net/~ant/ */
/* Common implementation of NTSC filters */
#include <assert.h>
#include <math.h>
/* Copyright (C) 2006 Shay Green. This module is free software; you
can redistribute it and/or modify it under the terms of the GNU Lesser
General Public License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version. This
module is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
details. You should have received a copy of the GNU Lesser General Public
License along with this module; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
#define DISABLE_CORRECTION 0
#undef PI
#define PI 3.14159265358979323846f
#ifndef LUMA_CUTOFF
#define LUMA_CUTOFF 0.20
#endif
#ifndef gamma_size
#define gamma_size 1
#endif
#ifndef rgb_bits
#define rgb_bits 8
#endif
#ifndef artifacts_max
#define artifacts_max (artifacts_mid * 1.5f)
#endif
#ifndef fringing_max
#define fringing_max (fringing_mid * 2)
#endif
#ifndef STD_HUE_CONDITION
#define STD_HUE_CONDITION( setup ) 1
#endif
#define ext_decoder_hue (std_decoder_hue + 15)
#define rgb_unit (1 << rgb_bits)
#define rgb_offset (rgb_unit * 2 + 0.5f)
enum { burst_size = snes_ntsc_entry_size / burst_count };
enum { kernel_half = 16 };
enum { kernel_size = kernel_half * 2 + 1 };
typedef struct init_t
{
float to_rgb [burst_count * 6];
float to_float [gamma_size];
float contrast;
float brightness;
float artifacts;
float fringing;
float kernel [rescale_out * kernel_size * 2];
} init_t;
#define ROTATE_IQ( i, q, sin_b, cos_b ) {\
float t;\
t = i * cos_b - q * sin_b;\
q = i * sin_b + q * cos_b;\
i = t;\
}
static void init_filters( init_t* impl, snes_ntsc_setup_t const* setup )
{
#if rescale_out > 1
float kernels [kernel_size * 2];
#else
float* const kernels = impl->kernel;
#endif
/* generate luma (y) filter using sinc kernel */
{
/* sinc with rolloff (dsf) */
float const rolloff = 1 + (float) setup->sharpness * (float) 0.032;
float const maxh = 32;
float const pow_a_n = (float) pow( rolloff, maxh );
float sum;
int i;
/* quadratic mapping to reduce negative (blurring) range */
float to_angle = (float) setup->resolution + 1;
to_angle = PI / maxh * (float) LUMA_CUTOFF * (to_angle * to_angle + 1);
kernels [kernel_size * 3 / 2] = maxh; /* default center value */
for ( i = 0; i < kernel_half * 2 + 1; i++ )
{
int x = i - kernel_half;
float angle = x * to_angle;
/* instability occurs at center point with rolloff very close to 1.0 */
if ( x || pow_a_n > (float) 1.056 || pow_a_n < (float) 0.981 )
{
float rolloff_cos_a = rolloff * (float) cos( angle );
float num = 1 - rolloff_cos_a -
pow_a_n * (float) cos( maxh * angle ) +
pow_a_n * rolloff * (float) cos( (maxh - 1) * angle );
float den = 1 - rolloff_cos_a - rolloff_cos_a + rolloff * rolloff;
float dsf = num / den;
kernels [kernel_size * 3 / 2 - kernel_half + i] = dsf - (float) 0.5;
}
}
/* apply blackman window and find sum */
sum = 0;
for ( i = 0; i < kernel_half * 2 + 1; i++ )
{
float x = PI * 2 / (kernel_half * 2) * i;
float blackman = 0.42f - 0.5f * (float) cos( x ) + 0.08f * (float) cos( x * 2 );
sum += (kernels [kernel_size * 3 / 2 - kernel_half + i] *= blackman);
}
/* normalize kernel */
sum = 1.0f / sum;
for ( i = 0; i < kernel_half * 2 + 1; i++ )
{
int x = kernel_size * 3 / 2 - kernel_half + i;
kernels [x] *= sum;
assert( kernels [x] == kernels [x] ); /* catch numerical instability */
}
}
/* generate chroma (iq) filter using gaussian kernel */
{
float const cutoff_factor = -0.03125f;
float cutoff = (float) setup->bleed;
int i;
if ( cutoff < 0 )
{
/* keep extreme value accessible only near upper end of scale (1.0) */
cutoff *= cutoff;
cutoff *= cutoff;
cutoff *= cutoff;
cutoff *= -30.0f / 0.65f;
}
cutoff = cutoff_factor - 0.65f * cutoff_factor * cutoff;
for ( i = -kernel_half; i <= kernel_half; i++ )
kernels [kernel_size / 2 + i] = (float) exp( i * i * cutoff );
/* normalize even and odd phases separately */
for ( i = 0; i < 2; i++ )
{
float sum = 0;
int x;
for ( x = i; x < kernel_size; x += 2 )
sum += kernels [x];
sum = 1.0f / sum;
for ( x = i; x < kernel_size; x += 2 )
{
kernels [x] *= sum;
assert( kernels [x] == kernels [x] ); /* catch numerical instability */
}
}
}
/*
printf( "luma:\n" );
for ( i = kernel_size; i < kernel_size * 2; i++ )
printf( "%f\n", kernels [i] );
printf( "chroma:\n" );
for ( i = 0; i < kernel_size; i++ )
printf( "%f\n", kernels [i] );
*/
/* generate linear rescale kernels */
#if rescale_out > 1
{
float weight = 1.0f;
float* out = impl->kernel;
int n = rescale_out;
do
{
float remain = 0;
int i;
weight -= 1.0f / rescale_in;
for ( i = 0; i < kernel_size * 2; i++ )
{
float cur = kernels [i];
float m = cur * weight;
*out++ = m + remain;
remain = cur - m;
}
}
while ( --n );
}
#endif
}
static float const default_decoder [6] =
{ 0.956f, 0.621f, -0.272f, -0.647f, -1.105f, 1.702f };
static void init( init_t* impl, snes_ntsc_setup_t const* setup )
{
impl->brightness = (float) setup->brightness * (0.5f * rgb_unit) + rgb_offset;
impl->contrast = (float) setup->contrast * (0.5f * rgb_unit) + rgb_unit;
#ifdef default_palette_contrast
if ( !setup->palette )
impl->contrast *= default_palette_contrast;
#endif
impl->artifacts = (float) setup->artifacts;
if ( impl->artifacts > 0 )
impl->artifacts *= artifacts_max - artifacts_mid;
impl->artifacts = impl->artifacts * artifacts_mid + artifacts_mid;
impl->fringing = (float) setup->fringing;
if ( impl->fringing > 0 )
impl->fringing *= fringing_max - fringing_mid;
impl->fringing = impl->fringing * fringing_mid + fringing_mid;
init_filters( impl, setup );
/* generate gamma table */
if ( gamma_size > 1 )
{
float const to_float = 1.0f / (gamma_size - (gamma_size > 1));
float const gamma = 1.1333f - (float) setup->gamma * 0.5f;
/* match common PC's 2.2 gamma to TV's 2.65 gamma */
int i;
for ( i = 0; i < gamma_size; i++ )
impl->to_float [i] =
(float) pow( i * to_float, gamma ) * impl->contrast + impl->brightness;
}
/* setup decoder matricies */
{
float hue = (float) setup->hue * PI + PI / 180 * ext_decoder_hue;
float sat = (float) setup->saturation + 1;
float const* decoder = setup->decoder_matrix;
if ( !decoder )
{
decoder = default_decoder;
if ( STD_HUE_CONDITION( setup ) )
hue += PI / 180 * (std_decoder_hue - ext_decoder_hue);
}
{
float s = (float) sin( hue ) * sat;
float c = (float) cos( hue ) * sat;
float* out = impl->to_rgb;
int n;
n = burst_count;
do
{
float const* in = decoder;
int n = 3;
do
{
float i = *in++;
float q = *in++;
*out++ = i * c - q * s;
*out++ = i * s + q * c;
}
while ( --n );
if ( burst_count <= 1 )
break;
ROTATE_IQ( s, c, 0.866025f, -0.5f ); /* +120 degrees */
}
while ( --n );
}
}
}
/* kernel generation */
#define RGB_TO_YIQ( r, g, b, y, i ) (\
(y = (r) * 0.299f + (g) * 0.587f + (b) * 0.114f),\
(i = (r) * 0.596f - (g) * 0.275f - (b) * 0.321f),\
((r) * 0.212f - (g) * 0.523f + (b) * 0.311f)\
)
#define YIQ_TO_RGB( y, i, q, to_rgb, type, r, g ) (\
r = (type) (y + to_rgb [0] * i + to_rgb [1] * q),\
g = (type) (y + to_rgb [2] * i + to_rgb [3] * q),\
(type) (y + to_rgb [4] * i + to_rgb [5] * q)\
)
#define PACK_RGB( r, g, b ) ((r) << 21 | (g) << 11 | (b) << 1)
enum { rgb_kernel_size = burst_size / alignment_count };
enum { rgb_bias = rgb_unit * 2 * snes_ntsc_rgb_builder };
typedef struct pixel_info_t
{
int offset;
float negate;
float kernel [4];
} pixel_info_t;
#if rescale_in > 1
#define PIXEL_OFFSET_( ntsc, scaled ) \
(kernel_size / 2 + ntsc + (scaled != 0) + (rescale_out - scaled) % rescale_out + \
(kernel_size * 2 * scaled))
#define PIXEL_OFFSET( ntsc, scaled ) \
PIXEL_OFFSET_( ((ntsc) - (scaled) / rescale_out * rescale_in),\
(((scaled) + rescale_out * 10) % rescale_out) ),\
(1.0f - (((ntsc) + 100) & 2))
#else
#define PIXEL_OFFSET( ntsc, scaled ) \
(kernel_size / 2 + (ntsc) - (scaled)),\
(1.0f - (((ntsc) + 100) & 2))
#endif
extern pixel_info_t const snes_ntsc_pixels [alignment_count];
/* Generate pixel at all burst phases and column alignments */
static void gen_kernel( init_t* impl, float y, float i, float q, snes_ntsc_rgb_t* out )
{
/* generate for each scanline burst phase */
float const* to_rgb = impl->to_rgb;
int burst_remain = burst_count;
y -= rgb_offset;
do
{
/* Encode yiq into *two* composite signals (to allow control over artifacting).
Convolve these with kernels which: filter respective components, apply
sharpening, and rescale horizontally. Convert resulting yiq to rgb and pack
into integer. Based on algorithm by NewRisingSun. */
pixel_info_t const* pixel = snes_ntsc_pixels;
int alignment_remain = alignment_count;
do
{
/* negate is -1 when composite starts at odd multiple of 2 */
float const yy = y * impl->fringing * pixel->negate;
float const ic0 = (i + yy) * pixel->kernel [0];
float const qc1 = (q + yy) * pixel->kernel [1];
float const ic2 = (i - yy) * pixel->kernel [2];
float const qc3 = (q - yy) * pixel->kernel [3];
float const factor = impl->artifacts * pixel->negate;
float const ii = i * factor;
float const yc0 = (y + ii) * pixel->kernel [0];
float const yc2 = (y - ii) * pixel->kernel [2];
float const qq = q * factor;
float const yc1 = (y + qq) * pixel->kernel [1];
float const yc3 = (y - qq) * pixel->kernel [3];
float const* k = &impl->kernel [pixel->offset];
int n;
++pixel;
for ( n = rgb_kernel_size; n; --n )
{
float i = k[0]*ic0 + k[2]*ic2;
float q = k[1]*qc1 + k[3]*qc3;
float y = k[kernel_size+0]*yc0 + k[kernel_size+1]*yc1 +
k[kernel_size+2]*yc2 + k[kernel_size+3]*yc3 + rgb_offset;
if ( rescale_out <= 1 )
k--;
else if ( k < &impl->kernel [kernel_size * 2 * (rescale_out - 1)] )
k += kernel_size * 2 - 1;
else
k -= kernel_size * 2 * (rescale_out - 1) + 2;
{
int r, g, b = YIQ_TO_RGB( y, i, q, to_rgb, int, r, g );
*out++ = PACK_RGB( r, g, b ) - rgb_bias;
}
}
}
while ( alignment_count > 1 && --alignment_remain );
if ( burst_count <= 1 )
break;
to_rgb += 6;
ROTATE_IQ( i, q, -0.866025f, -0.5f ); /* -120 degrees */
}
while ( --burst_remain );
}
static void correct_errors( snes_ntsc_rgb_t color, snes_ntsc_rgb_t* out );
#if DISABLE_CORRECTION
#define CORRECT_ERROR( a ) { out [i] += rgb_bias; }
#define DISTRIBUTE_ERROR( a, b, c ) { out [i] += rgb_bias; }
#else
#define CORRECT_ERROR( a ) { out [a] += error; }
#define DISTRIBUTE_ERROR( a, b, c ) {\
snes_ntsc_rgb_t fourth = (error + 2 * snes_ntsc_rgb_builder) >> 2;\
fourth &= (rgb_bias >> 1) - snes_ntsc_rgb_builder;\
fourth -= rgb_bias >> 2;\
out [a] += fourth;\
out [b] += fourth;\
out [c] += fourth;\
out [i] += error - (fourth * 3);\
}
#endif
#define RGB_PALETTE_OUT( rgb, out_ )\
{\
unsigned char* out = (out_);\
snes_ntsc_rgb_t clamped = (rgb);\
SNES_NTSC_CLAMP_( clamped, (8 - rgb_bits) );\
out [0] = (unsigned char) (clamped >> 21);\
out [1] = (unsigned char) (clamped >> 11);\
out [2] = (unsigned char) (clamped >> 1);\
}
/* blitter related */
#ifndef restrict
#if defined (__GNUC__)
#define restrict __restrict__
#elif defined (_MSC_VER) && _MSC_VER > 1300
#define restrict __restrict
#else
/* no support for restricted pointers */
#define restrict
#endif
#endif
#include <limits.h>
#if SNES_NTSC_OUT_DEPTH <= 16
#if USHRT_MAX == 0xFFFF
typedef unsigned short snes_ntsc_out_t;
#else
#error "Need 16-bit int type"
#endif
#else
#if UINT_MAX == 0xFFFFFFFF
typedef unsigned int snes_ntsc_out_t;
#elif ULONG_MAX == 0xFFFFFFFF
typedef unsigned long snes_ntsc_out_t;
#else
#error "Need 32-bit int type"
#endif
#endif

39
snesfilter/pixellate2x/pixellate2x.cpp
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#include "pixellate2x.hpp"
void Pixellate2xFilter::size(unsigned &outwidth, unsigned &outheight, unsigned width, unsigned height) {
outwidth = (width <= 256) ? width * 2 : width;
outheight = (height <= 240) ? height * 2 : height;
}
void Pixellate2xFilter::render(
uint32_t *output, unsigned outpitch, const uint16_t *input, unsigned pitch,
const unsigned *line, unsigned width, unsigned height
) {
pitch >>= 1;
outpitch >>= 2;
uint32_t *out0 = output;
uint32_t *out1 = output + outpitch;
for(unsigned y = 0; y < height; y++) {
unsigned linewidth = line[y];
for(unsigned x = 0; x < linewidth; x++) {
uint32_t p = colortable[*input++];
*out0++ = p;
if(height <= 240) *out1++ = p;
if(linewidth > 256) continue;
*out0++ = p;
if(height <= 240) *out1++ = p;
}
input += pitch - linewidth;
if(height <= 240) {
out0 += outpitch + outpitch - 512;
out1 += outpitch + outpitch - 512;
} else {
out0 += outpitch - 512;
}
}
}

5
snesfilter/pixellate2x/pixellate2x.hpp
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@ -1,5 +0,0 @@
class Pixellate2xFilter {
public:
void size(unsigned&, unsigned&, unsigned, unsigned);
void render(uint32_t*, unsigned, const uint16_t*, unsigned, const unsigned*, unsigned, unsigned);
} filter_pixellate2x;

61
snesfilter/scale2x/scale2x.cpp
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#include "scale2x.hpp"
void Scale2xFilter::size(unsigned &outwidth, unsigned &outheight, unsigned width, unsigned height) {
if(height > 240) return filter_direct.size(outwidth, outheight, width, height);
outwidth = (width <= 256) ? width * 2 : width;
outheight = (height <= 240) ? height * 2 : height;
}
void Scale2xFilter::render(
uint32_t *output, unsigned outpitch, const uint16_t *input, unsigned pitch,
const unsigned *line, unsigned width, unsigned height
) {
if(height > 240) {
filter_direct.render(output, outpitch, input, pitch, line, width, height);
return;
}
pitch >>= 1;
outpitch >>= 2;
uint32_t *out0 = output;
uint32_t *out1 = output + outpitch;
for(unsigned y = 0; y < height; y++) {
unsigned linewidth = line[y];
if(linewidth == 256) {
int prevline = (y == 0) || (linewidth != line[y - 1]) ? 0 : pitch;
int nextline = (y == height - 1) || (linewidth != line[y + 1]) ? 0 : pitch;
for(unsigned x = 0; x < 256; x++) {
uint16_t A = *(input - prevline);
uint16_t B = (x > 0) ? *(input - 1) : *input;
uint16_t C = *input;
uint16_t D = (x < 255) ? *(input + 1) : *input;
uint16_t E = *(input++ + nextline);
uint32_t c = colortable[C];
if(A != E && B != D) {
*out0++ = (A == B ? colortable[A] : c);
*out0++ = (A == D ? colortable[A] : c);
*out1++ = (E == B ? colortable[E] : c);
*out1++ = (E == D ? colortable[E] : c);
} else {
*out0++ = c;
*out0++ = c;
*out1++ = c;
*out1++ = c;
}
}
} else {
for(unsigned x = 0; x < 512; x++) {
*out0++ = *out1++ = colortable[*input++];
}
}
input += pitch - linewidth;
out0 += outpitch + outpitch - 512;
out1 += outpitch + outpitch - 512;
}
}

5
snesfilter/scale2x/scale2x.hpp
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class Scale2xFilter {
public:
void size(unsigned&, unsigned&, unsigned, unsigned);
void render(uint32_t*, unsigned, const uint16_t*, unsigned, const unsigned*, unsigned, unsigned);
} filter_scale2x;

84
snesfilter/snesfilter.cpp
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#include "snesfilter.hpp"
#if defined(_WIN32)
#define dllexport __declspec(dllexport)
#else
#define dllexport
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define QT_CORE_LIB
#include <QtGui>
#include <nall/config.hpp>
#include <nall/platform.hpp>
#include <nall/string.hpp>
using namespace nall;
const uint32_t *colortable;
configuration *config;
#include "direct/direct.cpp"
#include "pixellate2x/pixellate2x.cpp"
#include "scale2x/scale2x.cpp"
#include "2xsai/2xsai.cpp"
#include "lq2x/lq2x.cpp"
#include "hq2x/hq2x.cpp"
#include "ntsc/ntsc.cpp"
dllexport const char* snesfilter_supported() {
return "Pixellate2x;Scale2x;2xSaI;Super 2xSaI;Super Eagle;LQ2x;HQ2x;NTSC";
}
dllexport void snesfilter_configuration(configuration &config_) {
config = &config_;
if(config) {
filter_ntsc.bind(*config);
}
}
dllexport void snesfilter_colortable(const uint32_t *colortable_) {
colortable = colortable_;
}
dllexport void snesfilter_size(unsigned filter, unsigned &outwidth, unsigned &outheight, unsigned width, unsigned height) {
switch(filter) {
default: return filter_direct.size(outwidth, outheight, width, height);
case 1: return filter_pixellate2x.size(outwidth, outheight, width, height);
case 2: return filter_scale2x.size(outwidth, outheight, width, height);
case 3: return filter_2xsai.size(outwidth, outheight, width, height);
case 4: return filter_super2xsai.size(outwidth, outheight, width, height);
case 5: return filter_supereagle.size(outwidth, outheight, width, height);
case 6: return filter_lq2x.size(outwidth, outheight, width, height);
case 7: return filter_hq2x.size(outwidth, outheight, width, height);
case 8: return filter_ntsc.size(outwidth, outheight, width, height);
}
}
dllexport void snesfilter_render(
unsigned filter, uint32_t *output, unsigned outpitch,
const uint16_t *input, unsigned pitch,
const unsigned *line, unsigned width, unsigned height
) {
switch(filter) {
default: return filter_direct.render(output, outpitch, input, pitch, line, width, height);
case 1: return filter_pixellate2x.render(output, outpitch, input, pitch, line, width, height);
case 2: return filter_scale2x.render(output, outpitch, input, pitch, line, width, height);
case 3: return filter_2xsai.render(output, outpitch, input, pitch, line, width, height);
case 4: return filter_super2xsai.render(output, outpitch, input, pitch, line, width, height);
case 5: return filter_supereagle.render(output, outpitch, input, pitch, line, width, height);
case 6: return filter_lq2x.render(output, outpitch, input, pitch, line, width, height);
case 7: return filter_hq2x.render(output, outpitch, input, pitch, line, width, height);
case 8: return filter_ntsc.render(output, outpitch, input, pitch, line, width, height);
}
}
dllexport QWidget* snesfilter_settings(unsigned filter) {
switch(filter) {
default: return 0;
case 8: return filter_ntsc.settings();
}
}

16
snesfilter/snesfilter.hpp
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@ -1,16 +0,0 @@
#include <stdint.h>
class QWidget;
namespace nall { class configuration; }
extern "C" {
const char* snesfilter_supported();
void snesfilter_configuration(nall::configuration&);
void snesfilter_colortable(const uint32_t*);
void snesfilter_size(unsigned, unsigned&, unsigned&, unsigned, unsigned);
void snesfilter_render(
unsigned, uint32_t*, unsigned,
const uint16_t*, unsigned,
const unsigned*, unsigned, unsigned
);
QWidget* snesfilter_settings(unsigned);
}

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