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libretro: rename from libsnes and adapt new interface

This commit is contained in:
OV2 2012-04-10 23:06:17 +02:00
parent 81e12d533c
commit 50013f9a19
9 changed files with 489 additions and 1594 deletions
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8
libsnes/Makefile → libretro/Makefile
View File

@ -12,22 +12,22 @@ endif
endif
ifeq ($(platform), unix)
TARGET := libsnes.so
TARGET := libretro.so
fpic := -fPIC
SHARED := -shared -Wl,--version-script=link.T
else ifeq ($(platform), osx)
TARGET := libsnes.dylib
TARGET := libretro.dylib
fpic := -fPIC
SHARED := -dynamiclib
else
TARGET := snes.dll
TARGET := libretro.dll
CC = gcc
CXX = g++
SHARED := -shared -static-libgcc -static-libstdc++ -s -Wl,--version-script=link.T
CXXFLAGS += -D__WIN32__ -D__WIN32_LIBSNES__
endif
OBJECTS = ../apu/apu.o ../apu/bapu/dsp/sdsp.o ../apu/bapu/dsp/SPC_DSP.o ../apu/bapu/smp/smp.o ../apu/bapu/smp/smp_state.o ../bsx.o ../c4.o ../c4emu.o ../cheats.o ../cheats2.o ../clip.o ../conffile.o ../controls.o ../cpu.o ../cpuexec.o ../cpuops.o ../crosshairs.o ../dma.o ../dsp.o ../dsp1.o ../dsp2.o ../dsp3.o ../dsp4.o ../fxinst.o ../fxemu.o ../gfx.o ../globals.o ../logger.o ../memmap.o ../movie.o ../obc1.o ../ppu.o ../stream.o ../sa1.o ../sa1cpu.o ../screenshot.o ../sdd1.o ../sdd1emu.o ../seta.o ../seta010.o ../seta011.o ../seta018.o ../snapshot.o ../snes9x.o ../spc7110.o ../srtc.o ../tile.o libsnes.o
OBJECTS = ../apu/apu.o ../apu/bapu/dsp/sdsp.o ../apu/bapu/dsp/SPC_DSP.o ../apu/bapu/smp/smp.o ../apu/bapu/smp/smp_state.o ../bsx.o ../c4.o ../c4emu.o ../cheats.o ../cheats2.o ../clip.o ../conffile.o ../controls.o ../cpu.o ../cpuexec.o ../cpuops.o ../crosshairs.o ../dma.o ../dsp.o ../dsp1.o ../dsp2.o ../dsp3.o ../dsp4.o ../fxinst.o ../fxemu.o ../gfx.o ../globals.o ../logger.o ../memmap.o ../movie.o ../obc1.o ../ppu.o ../stream.o ../sa1.o ../sa1cpu.o ../screenshot.o ../sdd1.o ../sdd1emu.o ../seta.o ../seta010.o ../seta011.o ../seta018.o ../snapshot.o ../snes9x.o ../spc7110.o ../srtc.o ../tile.o libretro.o
CXX = g++
CC = gcc

26
libsnes/libsnes-win32.vcproj → libretro/libretro-win32.vcproj
View File

@ -2,7 +2,7 @@
<VisualStudioProject
ProjectType="Visual C++"
Version="9,00"
Name="libsnes-win32"
Name="libretro-win32"
ProjectGUID="{4A2A7544-0547-4539-8B53-047FB9A15C75}"
RootNamespace="libsneswin32"
Keyword="Win32Proj"
@ -64,9 +64,9 @@
/>
<Tool
Name="VCLinkerTool"
OutputFile="$(OutDir)\snes.dll"
OutputFile="$(OutDir)\libretro.dll"
LinkIncremental="2"
ModuleDefinitionFile="libsnes.def"
ModuleDefinitionFile="libretro.def"
GenerateDebugInformation="true"
SubSystem="2"
TargetMachine="1"
@ -139,9 +139,9 @@
/>
<Tool
Name="VCLinkerTool"
OutputFile="$(OutDir)\snes.dll"
OutputFile="$(OutDir)\libretro.dll"
LinkIncremental="2"
ModuleDefinitionFile="libsnes.def"
ModuleDefinitionFile="libretro.def"
GenerateDebugInformation="true"
SubSystem="2"
TargetMachine="17"
@ -216,9 +216,9 @@
/>
<Tool
Name="VCLinkerTool"
OutputFile="$(OutDir)\snes.dll"
OutputFile="$(OutDir)\libretro.dll"
LinkIncremental="1"
ModuleDefinitionFile="libsnes.def"
ModuleDefinitionFile="libretro.def"
GenerateDebugInformation="true"
SubSystem="2"
OptimizeReferences="2"
@ -297,9 +297,9 @@
/>
<Tool
Name="VCLinkerTool"
OutputFile="$(OutDir)\snes.dll"
OutputFile="$(OutDir)\libretro.dll"
LinkIncremental="1"
ModuleDefinitionFile="libsnes.def"
ModuleDefinitionFile="libretro.def"
GenerateDebugInformation="true"
SubSystem="2"
OptimizeReferences="2"
@ -765,18 +765,18 @@
</Filter>
</Filter>
<Filter
Name="libsnes"
Name="libretro"
>
<File
RelativePath=".\libsnes.cpp"
RelativePath=".\libretro.cpp"
>
</File>
<File
RelativePath=".\libsnes.def"
RelativePath=".\libretro.def"
>
</File>
<File
RelativePath=".\libsnes.hpp"
RelativePath=".\libretro.h"
>
</File>
</Filter>

471
libsnes/libsnes.cpp → libretro/libretro.cpp
View File

@ -1,4 +1,4 @@
#include "libsnes.hpp"
#include "libretro.h"
#include "snes9x.h"
#include "memmap.h"
@ -22,53 +22,44 @@
#include <fcntl.h>
static snes_video_refresh_t s9x_video_cb = NULL;
static snes_audio_sample_t s9x_audio_cb = NULL;
static snes_input_poll_t s9x_poller_cb = NULL;
static snes_input_state_t s9x_input_state_cb = NULL;
static retro_video_refresh_t s9x_video_cb = NULL;
static retro_audio_sample_t s9x_audio_cb = NULL;
static retro_audio_sample_batch_t s9x_audio_batch_cb = NULL;
static retro_input_poll_t s9x_poller_cb = NULL;
static retro_input_state_t s9x_input_state_cb = NULL;
void snes_set_video_refresh(snes_video_refresh_t cb)
void retro_set_video_refresh(retro_video_refresh_t cb)
{
s9x_video_cb = cb;
}
void snes_set_audio_sample(snes_audio_sample_t cb)
void retro_set_audio_sample(retro_audio_sample_t cb)
{
s9x_audio_cb = cb;
}
void snes_set_input_poll(snes_input_poll_t cb)
void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb)
{
s9x_audio_batch_cb = cb;
}
void retro_set_input_poll(retro_input_poll_t cb)
{
s9x_poller_cb = cb;
}
void snes_set_input_state(snes_input_state_t cb)
void retro_set_input_state(retro_input_state_t cb)
{
s9x_input_state_cb = cb;
}
static snes_environment_t environ_cb;
static retro_environment_t environ_cb;
static bool use_overscan;
void snes_set_environment(snes_environment_t cb)
void retro_set_environment(retro_environment_t cb)
{
environ_cb = cb;
}
static void set_environ_timing()
{
if (environ_cb)
{
snes_system_timing timing;
timing.sample_rate = 32040.5;
if (!Settings.PAL)
timing.fps = 21477272.0 / 357366.0;
else
timing.fps = 21281370.0 / 425568.0;
environ_cb(SNES_ENVIRONMENT_SET_TIMING, &timing);
}
}
static void S9xAudioCallback(void*)
{
// Just pick a big buffer. We won't use it all.
@ -77,154 +68,172 @@ static void S9xAudioCallback(void*)
S9xFinalizeSamples();
size_t avail = S9xGetSampleCount();
S9xMixSamples((uint8*)audio_buf, avail);
for (size_t i = 0; i < avail; i+=2)
s9x_audio_cb((uint16_t)audio_buf[i], (uint16_t)audio_buf[i + 1]);
s9x_audio_batch_cb(audio_buf,avail >> 1);
/*for (size_t i = 0; i < avail; i+=2)
s9x_audio_cb((uint16_t)audio_buf[i], (uint16_t)audio_buf[i + 1]);*/
}
const char *snes_library_id()
void retro_get_system_info(struct retro_system_info *info)
{
memset(info,0,sizeof(retro_system_info));
info->library_name = "SNES9x";
info->library_version = VERSION;
info->valid_extensions = "smc|sfc|zip|gz|swc|fig|jma";
info->need_fullpath = false;
info->block_extract = false;
}
void retro_get_system_av_info(struct retro_system_av_info *info)
{
memset(info,0,sizeof(retro_system_av_info));
info->geometry.base_width = SNES_WIDTH;
info->geometry.base_height = SNES_HEIGHT;
info->geometry.max_width = MAX_SNES_WIDTH;
info->geometry.max_height = MAX_SNES_HEIGHT;
info->timing.sample_rate = 32040.5;
info->timing.fps = retro_get_region() == RETRO_REGION_NTSC ? 21477272.0 / 357366.0 : 21281370.0 / 425568.0;
}
const char *retro_library_id()
{
return "SNES9x v" VERSION;
}
unsigned snes_library_revision_major()
unsigned retro_api_version()
{
return 1;
return RETRO_API_VERSION;
}
unsigned snes_library_revision_minor()
{
return 3;
}
void snes_power()
void retro_reset()
{
S9xReset();
}
void snes_reset()
{
S9xMovieUpdateOnReset();
if (S9xMoviePlaying())
{
S9xMovieStop(true);
}
S9xSoftReset();
}
static unsigned snes_devices[2];
void snes_set_controller_port_device(bool in_port, unsigned device)
void retro_set_controller_port_device(unsigned port, unsigned device)
{
int port = in_port == SNES_PORT_1 ? 0 : 1;
switch (device)
{
case SNES_DEVICE_JOYPAD:
case RETRO_DEVICE_JOYPAD:
S9xSetController(port, CTL_JOYPAD, 0, 0, 0, 0);
snes_devices[port] = SNES_DEVICE_JOYPAD;
snes_devices[port] = RETRO_DEVICE_JOYPAD;
break;
case SNES_DEVICE_MULTITAP:
case RETRO_DEVICE_JOYPAD_MULTITAP:
S9xSetController(port, CTL_MP5, 1, 2, 3, 4);
snes_devices[port] = SNES_DEVICE_MULTITAP;
snes_devices[port] = RETRO_DEVICE_JOYPAD_MULTITAP;
break;
case SNES_DEVICE_MOUSE:
case RETRO_DEVICE_MOUSE:
S9xSetController(port, CTL_MOUSE, 0, 0, 0, 0);
snes_devices[port] = SNES_DEVICE_MOUSE;
snes_devices[port] = RETRO_DEVICE_MOUSE;
break;
case SNES_DEVICE_SUPER_SCOPE:
case RETRO_DEVICE_LIGHTGUN_SUPER_SCOPE:
S9xSetController(port, CTL_SUPERSCOPE, 0, 0, 0, 0);
snes_devices[port] = SNES_DEVICE_SUPER_SCOPE;
snes_devices[port] = RETRO_DEVICE_LIGHTGUN_SUPER_SCOPE;
break;
case SNES_DEVICE_JUSTIFIER:
case RETRO_DEVICE_LIGHTGUN_JUSTIFIER:
S9xSetController(port, CTL_JUSTIFIER, 0, 0, 0, 0);
snes_devices[port] = SNES_DEVICE_JUSTIFIER;
snes_devices[port] = RETRO_DEVICE_LIGHTGUN_JUSTIFIER;
break;
case SNES_DEVICE_JUSTIFIERS:
case RETRO_DEVICE_LIGHTGUN_JUSTIFIERS:
S9xSetController(port, CTL_JUSTIFIER, 1, 0, 0, 0);
snes_devices[port] = SNES_DEVICE_JUSTIFIERS;
snes_devices[port] = RETRO_DEVICE_LIGHTGUN_JUSTIFIERS;
break;
default:
fprintf(stderr, "[libsnes]: Invalid device!\n");
fprintf(stderr, "[libretro]: Invalid device!\n");
}
}
void snes_cheat_reset()
void retro_cheat_reset()
{}
void snes_cheat_set(unsigned, bool, const char*)
void retro_cheat_set(unsigned, bool, const char*)
{}
bool snes_load_cartridge_bsx_slotted(
const char *, const uint8_t *rom_data, unsigned rom_size,
const char *, const uint8_t *bsx_data, unsigned bsx_size
)
bool retro_load_game(const struct retro_game_info *game)
{
int loaded = Memory.LoadMultiCartMem(rom_data, rom_size, bsx_data, bsx_size, NULL, NULL);
int loaded = 0;
if(game->data == NULL && game->size == NULL && game->path != NULL)
loaded = Memory.LoadROM(game->path);
else
loaded = Memory.LoadROMMem((const uint8_t*)game->data ,game->size);
if (!loaded)
{
fprintf(stderr, "[libsnes]: Sufami Turbo Rom loading failed...\n");
return false;
fprintf(stderr, "[libretro]: Rom loading failed...\n");
}
set_environ_timing();
return false;
}
bool snes_load_cartridge_bsx(
const char *rom_xml, const uint8_t *rom_data, unsigned rom_size,
const char *bsx_xml, const uint8_t *bsx_data, unsigned bsx_size
)
{
if(bsx_data==NULL)
return snes_load_cartridge_normal(rom_xml,rom_data,rom_size);
memcpy(Memory.BIOSROM,rom_data,rom_size);
return snes_load_cartridge_normal(bsx_xml,bsx_data,bsx_size);
}
bool snes_load_cartridge_sufami_turbo(
const char *, const uint8_t *rom_data, unsigned rom_size,
const char *, const uint8_t *sta_data, unsigned sta_size,
const char *, const uint8_t *stb_data, unsigned stb_size
)
{
int loaded = Memory.LoadMultiCartMem(sta_data, sta_size, stb_data, stb_size, rom_data, rom_size);
if (!loaded)
{
fprintf(stderr, "[libsnes]: Sufami Turbo Rom loading failed...\n");
return false;
}
set_environ_timing();
return true;
return loaded;
}
bool snes_load_cartridge_super_game_boy(
const char *, const uint8_t *, unsigned,
const char *, const uint8_t *, unsigned
)
{
return false;
void retro_unload_game(void)
{}
bool retro_load_game_special(unsigned game_type,
const struct retro_game_info *info, size_t num_info) {
int loaded = 0;
switch (game_type) {
case RETRO_GAME_TYPE_BSX:
if(num_info == 1) {
loaded = Memory.LoadROMMem((const uint8_t*)info[0].data,info[0].size);
} else if(num_info == 2) {
memcpy(Memory.BIOSROM,(const uint8_t*)info[0].data,info[0].size);
loaded = Memory.LoadROMMem((const uint8_t*)info[1].data,info[1].size);
}
if (!loaded)
{
fprintf(stderr, "[libretro]: BSX Rom loading failed...\n");
}
return loaded;
case RETRO_GAME_TYPE_BSX_SLOTTED:
if(num_info == 2)
loaded = Memory.LoadMultiCartMem((const uint8_t*)info[0].data, info[0].size,
(const uint8_t*)info[1].data, info[1].size, NULL, NULL);
if (!loaded)
{
fprintf(stderr, "[libretro]: Multirom loading failed...\n");
}
return loaded;
case RETRO_GAME_TYPE_SUFAMI_TURBO:
if(num_info == 3)
loaded = Memory.LoadMultiCartMem((const uint8_t*)info[1].data, info[1].size,
(const uint8_t*)info[2].data, info[2].size, (const uint8_t*)info[0].data, info[0].size);
if (!loaded)
{
fprintf(stderr, "[libretro]: Sufami Turbo Rom loading failed...\n");
}
return loaded;
default:
return false;
}
}
static void map_buttons();
void snes_init()
void retro_init()
{
if (environ_cb)
{
if (!environ_cb(SNES_ENVIRONMENT_GET_OVERSCAN, &use_overscan))
if (!environ_cb(RETRO_ENVIRONMENT_GET_OVERSCAN, &use_overscan))
use_overscan = false;
if (use_overscan)
{
snes_geometry geom = {256, 239, 512, 512};
environ_cb(SNES_ENVIRONMENT_SET_GEOMETRY, &geom);
unsigned pitch = 1024;
environ_cb(SNES_ENVIRONMENT_SET_PITCH, &pitch);
}
}
memset(&Settings, 0, sizeof(Settings));
@ -261,7 +270,7 @@ void snes_init()
{
Memory.Deinit();
S9xDeinitAPU();
fprintf(stderr, "[libsnes]: Failed to init Memory or APU.\n");
fprintf(stderr, "[libretro]: Failed to init Memory or APU.\n");
exit(1);
}
@ -270,15 +279,15 @@ void snes_init()
S9xSetSamplesAvailableCallback(S9xAudioCallback, NULL);
S9xSetRenderPixelFormat(RGB555);
GFX.Pitch = use_overscan ? 1024 : 2048;
GFX.Screen = (uint16*) calloc(1, GFX.Pitch * 512 * sizeof(uint16));
GFX.Pitch = MAX_SNES_WIDTH * sizeof(uint16);
GFX.Screen = (uint16*) calloc(1, GFX.Pitch * MAX_SNES_HEIGHT);
S9xGraphicsInit();
S9xInitInputDevices();
for (int i = 0; i < 2; i++)
{
S9xSetController(i, CTL_JOYPAD, i, 0, 0, 0);
snes_devices[i] = SNES_DEVICE_JOYPAD;
snes_devices[i] = RETRO_DEVICE_JOYPAD;
}
S9xUnmapAllControls();
@ -295,41 +304,41 @@ void snes_init()
#define PAD_4 4
#define PAD_5 5
#define BTN_B SNES_DEVICE_ID_JOYPAD_B
#define BTN_Y SNES_DEVICE_ID_JOYPAD_Y
#define BTN_SELECT SNES_DEVICE_ID_JOYPAD_SELECT
#define BTN_START SNES_DEVICE_ID_JOYPAD_START
#define BTN_UP SNES_DEVICE_ID_JOYPAD_UP
#define BTN_DOWN SNES_DEVICE_ID_JOYPAD_DOWN
#define BTN_LEFT SNES_DEVICE_ID_JOYPAD_LEFT
#define BTN_RIGHT SNES_DEVICE_ID_JOYPAD_RIGHT
#define BTN_A SNES_DEVICE_ID_JOYPAD_A
#define BTN_X SNES_DEVICE_ID_JOYPAD_X
#define BTN_L SNES_DEVICE_ID_JOYPAD_L
#define BTN_R SNES_DEVICE_ID_JOYPAD_R
#define BTN_B RETRO_DEVICE_ID_JOYPAD_B
#define BTN_Y RETRO_DEVICE_ID_JOYPAD_Y
#define BTN_SELECT RETRO_DEVICE_ID_JOYPAD_SELECT
#define BTN_START RETRO_DEVICE_ID_JOYPAD_START
#define BTN_UP RETRO_DEVICE_ID_JOYPAD_UP
#define BTN_DOWN RETRO_DEVICE_ID_JOYPAD_DOWN
#define BTN_LEFT RETRO_DEVICE_ID_JOYPAD_LEFT
#define BTN_RIGHT RETRO_DEVICE_ID_JOYPAD_RIGHT
#define BTN_A RETRO_DEVICE_ID_JOYPAD_A
#define BTN_X RETRO_DEVICE_ID_JOYPAD_X
#define BTN_L RETRO_DEVICE_ID_JOYPAD_L
#define BTN_R RETRO_DEVICE_ID_JOYPAD_R
#define BTN_FIRST BTN_B
#define BTN_LAST BTN_R
#define MOUSE_X SNES_DEVICE_ID_MOUSE_X
#define MOUSE_Y SNES_DEVICE_ID_MOUSE_Y
#define MOUSE_LEFT SNES_DEVICE_ID_MOUSE_LEFT
#define MOUSE_RIGHT SNES_DEVICE_ID_MOUSE_RIGHT
#define MOUSE_X RETRO_DEVICE_ID_MOUSE_X
#define MOUSE_Y RETRO_DEVICE_ID_MOUSE_Y
#define MOUSE_LEFT RETRO_DEVICE_ID_MOUSE_LEFT
#define MOUSE_RIGHT RETRO_DEVICE_ID_MOUSE_RIGHT
#define MOUSE_FIRST MOUSE_X
#define MOUSE_LAST MOUSE_RIGHT
#define SCOPE_X SNES_DEVICE_ID_SUPER_SCOPE_X
#define SCOPE_Y SNES_DEVICE_ID_SUPER_SCOPE_Y
#define SCOPE_TRIGGER SNES_DEVICE_ID_SUPER_SCOPE_TRIGGER
#define SCOPE_CURSOR SNES_DEVICE_ID_SUPER_SCOPE_CURSOR
#define SCOPE_TURBO SNES_DEVICE_ID_SUPER_SCOPE_TURBO
#define SCOPE_PAUSE SNES_DEVICE_ID_SUPER_SCOPE_PAUSE
#define SCOPE_X RETRO_DEVICE_ID_SUPER_SCOPE_X
#define SCOPE_Y RETRO_DEVICE_ID_SUPER_SCOPE_Y
#define SCOPE_TRIGGER RETRO_DEVICE_ID_LIGHTGUN_TRIGGER
#define SCOPE_CURSOR RETRO_DEVICE_ID_LIGHTGUN_CURSOR
#define SCOPE_TURBO RETRO_DEVICE_ID_LIGHTGUN_TURBO
#define SCOPE_PAUSE RETRO_DEVICE_ID_LIGHTGUN_PAUSE
#define SCOPE_FIRST SCOPE_X
#define SCOPE_LAST SCOPE_PAUSE
#define JUSTIFIER_X SNES_DEVICE_ID_JUSTIFIER_X
#define JUSTIFIER_Y SNES_DEVICE_ID_JUSTIFIER_Y
#define JUSTIFIER_TRIGGER SNES_DEVICE_ID_JUSTIFIER_TRIGGER
#define JUSTIFIER_START SNES_DEVICE_ID_JUSTIFIER_START
#define JUSTIFIER_X RETRO_DEVICE_ID_JUSTIFIER_X
#define JUSTIFIER_Y RETRO_DEVICE_ID_JUSTIFIER_Y
#define JUSTIFIER_TRIGGER RETRO_DEVICE_ID_LIGHTGUN_TRIGGER
#define JUSTIFIER_START RETRO_DEVICE_ID_LIGHTGUN_PAUSE
#define JUSTIFIER_FIRST JUSTIFIER_X
#define JUSTIFIER_LAST JUSTIFIER_START
@ -407,7 +416,7 @@ static void map_buttons()
}
// libsnes uses relative values for analogue devices.
// libretro uses relative values for analogue devices.
// S9x seems to use absolute values, but do convert these into relative values in the core. (Why?!)
// Hack around it. :)
static int16_t snes_mouse_state[2][2] = {{0}, {0}};
@ -416,77 +425,63 @@ static int16_t snes_justifier_state[2][2] = {{0}, {0}};
static void report_buttons()
{
int _x, _y;
for (int port = SNES_PORT_1; port <= SNES_PORT_2; port++)
for (int port = 0; port <= 1; port++)
{
switch (snes_devices[port])
{
case SNES_DEVICE_JOYPAD:
case RETRO_DEVICE_JOYPAD:
for (int i = BTN_FIRST; i <= BTN_LAST; i++)
S9xReportButton(MAKE_BUTTON(port + 1, i), s9x_input_state_cb(port == SNES_PORT_2, SNES_DEVICE_JOYPAD, 0, i));
S9xReportButton(MAKE_BUTTON(port + 1, i), s9x_input_state_cb(port, RETRO_DEVICE_JOYPAD, 0, i));
break;
case SNES_DEVICE_MULTITAP:
case RETRO_DEVICE_JOYPAD_MULTITAP:
for (int j = 0; j < 4; j++)
for (int i = BTN_FIRST; i <= BTN_LAST; i++)
S9xReportButton(MAKE_BUTTON(j + 2, i), s9x_input_state_cb(port == SNES_PORT_2, SNES_DEVICE_MULTITAP, j, i));
S9xReportButton(MAKE_BUTTON(j + 2, i), s9x_input_state_cb(port, RETRO_DEVICE_JOYPAD_MULTITAP, j, i));
break;
case SNES_DEVICE_MOUSE:
_x = s9x_input_state_cb(port == SNES_PORT_2, SNES_DEVICE_MOUSE, 0, SNES_DEVICE_ID_MOUSE_X);
_y = s9x_input_state_cb(port == SNES_PORT_2, SNES_DEVICE_MOUSE, 0, SNES_DEVICE_ID_MOUSE_Y);
case RETRO_DEVICE_MOUSE:
_x = s9x_input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_X);
_y = s9x_input_state_cb(port, RETRO_DEVICE_MOUSE, 0, RETRO_DEVICE_ID_MOUSE_Y);
snes_mouse_state[port][0] += _x;
snes_mouse_state[port][1] += _y;
S9xReportPointer(BTN_POINTER + port, snes_mouse_state[port][0], snes_mouse_state[port][1]);
for (int i = MOUSE_LEFT; i <= MOUSE_LAST; i++)
S9xReportButton(MAKE_BUTTON(port + 1, i), s9x_input_state_cb(port == SNES_PORT_2, SNES_DEVICE_MOUSE, 0, i));
S9xReportButton(MAKE_BUTTON(port + 1, i), s9x_input_state_cb(port, RETRO_DEVICE_MOUSE, 0, i));
break;
case SNES_DEVICE_SUPER_SCOPE:
snes_scope_state[0] += s9x_input_state_cb(port == SNES_PORT_2, SNES_DEVICE_SUPER_SCOPE, 0, SNES_DEVICE_ID_SUPER_SCOPE_X);
snes_scope_state[1] += s9x_input_state_cb(port == SNES_PORT_2, SNES_DEVICE_SUPER_SCOPE, 0, SNES_DEVICE_ID_SUPER_SCOPE_Y);
case RETRO_DEVICE_LIGHTGUN_SUPER_SCOPE:
snes_scope_state[0] += s9x_input_state_cb(port, RETRO_DEVICE_LIGHTGUN_SUPER_SCOPE, 0, RETRO_DEVICE_ID_LIGHTGUN_X);
snes_scope_state[1] += s9x_input_state_cb(port, RETRO_DEVICE_LIGHTGUN_SUPER_SCOPE, 0, RETRO_DEVICE_ID_LIGHTGUN_Y);
S9xReportPointer(BTN_POINTER, snes_scope_state[0], snes_scope_state[1]);
for (int i = SCOPE_TRIGGER; i <= SCOPE_LAST; i++)
S9xReportButton(MAKE_BUTTON(port + 1, i), s9x_input_state_cb(port == SNES_PORT_2, SNES_DEVICE_SUPER_SCOPE, 0, i));
S9xReportButton(MAKE_BUTTON(port + 1, i), s9x_input_state_cb(port, RETRO_DEVICE_LIGHTGUN_SUPER_SCOPE, 0, i));
break;
case SNES_DEVICE_JUSTIFIER:
case SNES_DEVICE_JUSTIFIERS:
snes_justifier_state[0][0] += s9x_input_state_cb(port == SNES_PORT_2, SNES_DEVICE_JUSTIFIER, 0, SNES_DEVICE_ID_JUSTIFIER_X);
snes_justifier_state[0][1] += s9x_input_state_cb(port == SNES_PORT_2, SNES_DEVICE_JUSTIFIER, 0, SNES_DEVICE_ID_JUSTIFIER_Y);
case RETRO_DEVICE_LIGHTGUN_JUSTIFIER:
case RETRO_DEVICE_LIGHTGUN_JUSTIFIERS:
snes_justifier_state[0][0] += s9x_input_state_cb(port, RETRO_DEVICE_LIGHTGUN_JUSTIFIER, 0, RETRO_DEVICE_ID_LIGHTGUN_X);
snes_justifier_state[0][1] += s9x_input_state_cb(port, RETRO_DEVICE_LIGHTGUN_JUSTIFIER, 0, RETRO_DEVICE_ID_LIGHTGUN_Y);
S9xReportPointer(BTN_POINTER, snes_justifier_state[0][0], snes_justifier_state[0][1]);
for (int i = JUSTIFIER_TRIGGER; i <= JUSTIFIER_LAST; i++)
S9xReportButton(MAKE_BUTTON(port + 1, i), s9x_input_state_cb(port == SNES_PORT_2, SNES_DEVICE_JUSTIFIER, 0, i));
S9xReportButton(MAKE_BUTTON(port + 1, i), s9x_input_state_cb(port, RETRO_DEVICE_LIGHTGUN_JUSTIFIER, 0, i));
break;
default:
fprintf(stderr, "[libsnes]: Unknown device...\n");
fprintf(stderr, "[libretro]: Unknown device...\n");
}
}
}
bool snes_load_cartridge_normal(const char *, const uint8_t *rom_data, unsigned rom_size)
{
int loaded = Memory.LoadROMMem(rom_data,rom_size);
if (!loaded)
{
fprintf(stderr, "[libsnes]: Rom loading failed...\n");
return false;
}
set_environ_timing();
return true;
}
void snes_run()
void retro_run()
{
s9x_poller_cb();
report_buttons();
S9xMainLoop();
}
void snes_term()
void retro_deinit()
{
S9xDeinitAPU();
Memory.Deinit();
@ -495,30 +490,30 @@ void snes_term()
}
bool snes_get_region()
unsigned retro_get_region()
{
return Settings.PAL ? SNES_REGION_PAL : SNES_REGION_NTSC;
return Settings.PAL ? RETRO_REGION_PAL : RETRO_REGION_NTSC;
}
uint8_t* snes_get_memory_data(unsigned type)
void* retro_get_memory_data(unsigned type)
{
uint8_t* data;
void* data;
switch(type) {
case SNES_MEMORY_SUFAMI_TURBO_A_RAM:
case SNES_MEMORY_CARTRIDGE_RAM:
case RETRO_MEMORY_SNES_SUFAMI_TURBO_A_RAM:
case RETRO_MEMORY_SAVE_RAM:
data = Memory.SRAM;
break;
case SNES_MEMORY_SUFAMI_TURBO_B_RAM:
case RETRO_MEMORY_SNES_SUFAMI_TURBO_B_RAM:
data = Multi.sramB;
break;
case SNES_MEMORY_CARTRIDGE_RTC:
case RETRO_MEMORY_RTC:
data = RTCData.reg;
break;
case SNES_MEMORY_WRAM:
case RETRO_MEMORY_SYSTEM_RAM:
data = Memory.RAM;
break;
case SNES_MEMORY_APURAM:
/*case SNES_MEMORY_APURAM:
data = SNES::smp.apuram;
break;
case SNES_MEMORY_VRAM:
@ -529,7 +524,7 @@ uint8_t* snes_get_memory_data(unsigned type)
break;
case SNES_MEMORY_OAM:
data = PPU.OAMData;
break;
break;*/
default:
data = NULL;
break;
@ -538,32 +533,32 @@ uint8_t* snes_get_memory_data(unsigned type)
return data;
}
void snes_unload_cartridge()
void retro_unload_cartridge()
{
}
unsigned snes_get_memory_size(unsigned type)
size_t retro_get_memory_size(unsigned type)
{
unsigned size;
size_t size;
switch(type) {
case SNES_MEMORY_SUFAMI_TURBO_A_RAM:
case SNES_MEMORY_CARTRIDGE_RAM:
case RETRO_MEMORY_SNES_SUFAMI_TURBO_A_RAM:
case RETRO_MEMORY_SAVE_RAM:
size = (unsigned) (Memory.SRAMSize ? (1 << (Memory.SRAMSize + 3)) * 128 : 0);
if (size > 0x20000)
size = 0x20000;
break;
case SNES_MEMORY_SUFAMI_TURBO_B_RAM:
case RETRO_MEMORY_SNES_SUFAMI_TURBO_B_RAM:
size = (unsigned) (Multi.cartType && Multi.sramSizeB ? (1 << (Multi.sramSizeB + 3)) * 128 : 0);
break;
case SNES_MEMORY_CARTRIDGE_RTC:
case RETRO_MEMORY_RTC:
size = (Settings.SRTC || Settings.SPC7110RTC)?20:0;
break;
case SNES_MEMORY_WRAM:
case RETRO_MEMORY_SYSTEM_RAM:
size = 128 * 1024;
break;
case SNES_MEMORY_VRAM:
/*case SNES_MEMORY_VRAM:
case SNES_MEMORY_APURAM:
size = 64 * 1024;
break;
@ -572,7 +567,7 @@ unsigned snes_get_memory_size(unsigned type)
break;
case SNES_MEMORY_OAM:
size = 512 + 32;
break;
break;*/
default:
size = 0;
break;
@ -581,15 +576,12 @@ unsigned snes_get_memory_size(unsigned type)
return size;
}
void snes_set_cartridge_basename(const char*)
{}
unsigned snes_serialize_size()
size_t retro_serialize_size()
{
return S9xFreezeSize();
}
bool snes_serialize(uint8_t *data, unsigned size)
bool retro_serialize(uint8_t *data, unsigned size)
{
if (S9xFreezeGameMem(data,size) == FALSE)
return false;
@ -597,73 +589,28 @@ bool snes_serialize(uint8_t *data, unsigned size)
return true;
}
bool snes_unserialize(const uint8_t* data, unsigned size)
bool retro_unserialize(const uint8_t* data, unsigned size)
{
if (S9xUnfreezeGameMem(data,size) != SUCCESS)
return false;
return true;
}
// Pitch 2048 -> 1024, only done once per res-change.
static void pack_frame(uint16_t *frame, int width, int height)
{
for (int y = 1; y < height; y++)
{
uint16_t *src = frame + y * 1024;
uint16_t *dst = frame + y * 512;
memcpy(dst, src, width * sizeof(uint16_t));
}
}
// Pitch 1024 -> 2048, only done once per res-change.
static void stretch_frame(uint16_t *frame, int width, int height)
{
for (int y = height - 1; y >= 0; y--)
{
uint16_t *src = frame + y * 512;
uint16_t *dst = frame + y * 1024;
memcpy(dst, src, width * sizeof(uint16_t));
}
}
bool8 S9xDeinitUpdate(int width, int height)
{
if (use_overscan)
if (!use_overscan)
{
if (height == 224)
if (height >= SNES_HEIGHT << 1)
{
memmove(GFX.Screen + (GFX.Pitch / 2) * 7, GFX.Screen, GFX.Pitch * height);
memset(GFX.Screen, 0x00, GFX.Pitch * 7);
memset(GFX.Screen + (GFX.Pitch / 2) * (7 + 224), 0, GFX.Pitch * 8);
height = 239;
}
else if (height == 448)
{
memmove(GFX.Screen + (GFX.Pitch / 2) * 15, GFX.Screen, GFX.Pitch * height);
memset(GFX.Screen, 0x00, GFX.Pitch * 15);
memset(GFX.Screen + (GFX.Pitch / 2) * (15 + 224), 0x00, GFX.Pitch * 17);
height = 478;
}
}
else // libsnes classic behavior
{
if (height == 448 || height == 478)
{
if (GFX.Pitch == 2048)
pack_frame(GFX.Screen, width, height);
GFX.Pitch = 1024;
height = SNES_HEIGHT << 1;
}
else
{
if (GFX.Pitch == 1024)
stretch_frame(GFX.Screen, width, height);
GFX.Pitch = 2048;
height = SNES_HEIGHT;
}
}
s9x_video_cb(GFX.Screen, width, height);
s9x_video_cb(GFX.Screen, width, height, GFX.Pitch);
return TRUE;
}

41
libretro/libretro.def Normal file
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@ -0,0 +1,41 @@
LIBRARY libretro
EXPORTS
retro_api_version
retro_get_system_info
retro_get_system_av_info
retro_set_video_refresh
retro_set_audio_sample
retro_set_audio_sample_batch
retro_set_input_poll
retro_set_input_state
retro_set_environment
retro_set_controller_port_device
retro_init
retro_deinit
retro_reset
retro_run
retro_serialize_size
retro_serialize
retro_unserialize
retro_cheat_reset
retro_cheat_set
retro_load_game
retro_unload_game
retro_load_game_special
retro_unload_cartridge
retro_get_region
retro_get_memory_data
retro_get_memory_size

218
libretro/libretro.h Normal file
View File

@ -0,0 +1,218 @@
#ifndef LIBRETRO_H__
#define LIBRETRO_H__
#include "snes9x.h"
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#else
#include <stdbool.h>
#endif
#define RETRO_API_VERSION 1
#define RETRO_DEVICE_MASK 0xff
#define RETRO_DEVICE_NONE 0
#define RETRO_DEVICE_JOYPAD 1
#define RETRO_DEVICE_MOUSE 2
#define RETRO_DEVICE_KEYBOARD 3
#define RETRO_DEVICE_LIGHTGUN 4
#define RETRO_DEVICE_JOYPAD_MULTITAP ((1 << 8) | RETRO_DEVICE_JOYPAD)
#define RETRO_DEVICE_LIGHTGUN_SUPER_SCOPE ((1 << 8) | RETRO_DEVICE_LIGHTGUN)
#define RETRO_DEVICE_LIGHTGUN_JUSTIFIER ((2 << 8) | RETRO_DEVICE_LIGHTGUN)
#define RETRO_DEVICE_LIGHTGUN_JUSTIFIERS ((3 << 8) | RETRO_DEVICE_LIGHTGUN)
#define RETRO_DEVICE_ID_JOYPAD_B 0
#define RETRO_DEVICE_ID_JOYPAD_Y 1
#define RETRO_DEVICE_ID_JOYPAD_SELECT 2
#define RETRO_DEVICE_ID_JOYPAD_START 3
#define RETRO_DEVICE_ID_JOYPAD_UP 4
#define RETRO_DEVICE_ID_JOYPAD_DOWN 5
#define RETRO_DEVICE_ID_JOYPAD_LEFT 6
#define RETRO_DEVICE_ID_JOYPAD_RIGHT 7
#define RETRO_DEVICE_ID_JOYPAD_A 8
#define RETRO_DEVICE_ID_JOYPAD_X 9
#define RETRO_DEVICE_ID_JOYPAD_L 10
#define RETRO_DEVICE_ID_JOYPAD_R 11
#define RETRO_DEVICE_ID_MOUSE_X 0
#define RETRO_DEVICE_ID_MOUSE_Y 1
#define RETRO_DEVICE_ID_MOUSE_LEFT 2
#define RETRO_DEVICE_ID_MOUSE_RIGHT 3
#define RETRO_DEVICE_ID_LIGHTGUN_X 0
#define RETRO_DEVICE_ID_LIGHTGUN_Y 1
#define RETRO_DEVICE_ID_LIGHTGUN_TRIGGER 2
#define RETRO_DEVICE_ID_LIGHTGUN_CURSOR 3
#define RETRO_DEVICE_ID_LIGHTGUN_TURBO 4
#define RETRO_DEVICE_ID_LIGHTGUN_PAUSE 5
#define RETRO_DEVICE_ID_LIGHTGUN_START 6
#define RETRO_REGION_NTSC 0
#define RETRO_REGION_PAL 1
#define RETRO_MEMORY_MASK 0xff
#define RETRO_MEMORY_SAVE_RAM 0
#define RETRO_MEMORY_RTC 1
#define RETRO_MEMORY_SYSTEM_RAM 2
#define RETRO_MEMORY_SNES_BSX_RAM ((1 << 8) | RETRO_MEMORY_SAVE_RAM)
#define RETRO_MEMORY_SNES_BSX_PRAM ((2 << 8) | RETRO_MEMORY_SAVE_RAM)
#define RETRO_MEMORY_SNES_SUFAMI_TURBO_A_RAM ((3 << 8) | RETRO_MEMORY_SAVE_RAM)
#define RETRO_MEMORY_SNES_SUFAMI_TURBO_B_RAM ((4 << 8) | RETRO_MEMORY_SAVE_RAM)
#define RETRO_MEMORY_SNES_GAME_BOY_RAM ((5 << 8) | RETRO_MEMORY_SAVE_RAM)
#define RETRO_MEMORY_SNES_GAME_BOY_RTC ((6 << 8) | RETRO_MEMORY_RTC)
#define RETRO_GAME_TYPE_BSX 0x101
#define RETRO_GAME_TYPE_BSX_SLOTTED 0x102
#define RETRO_GAME_TYPE_SUFAMI_TURBO 0x103
#define RETRO_GAME_TYPE_SUPER_GAME_BOY 0x104
// Environment commands.
#define RETRO_ENVIRONMENT_SET_ROTATION 1 // const unsigned * --
// Sets screen rotation of graphics.
// Is only implemented if rotation can be accelerated by hardware.
// Valid values are 0, 1, 2, 3, which rotates screen by 0, 90, 180, 270 degrees
// counter-clockwise respectively.
//
#define RETRO_ENVIRONMENT_GET_OVERSCAN 2 // bool * --
// Boolean value whether or not the implementation should use overscan, or crop away overscan.
//
#define RETRO_ENVIRONMENT_GET_CAN_DUPE 3 // bool * --
// Boolean value whether or not SSNES supports frame duping,
// passing NULL to video frame callback.
//
#define RETRO_ENVIRONMENT_GET_VARIABLE 4 // struct retro_variable * --
// Interface to aquire user-defined information from environment
// that cannot feasibly be supported in a multi-system way.
// Mostly used for obscure,
// specific features that the user can tap into when neseccary.
//
#define RETRO_ENVIRONMENT_SET_VARIABLES 5 // const struct retro_variable * --
// Allows an implementation to signal the environment
// which variables it might want to check for later using GET_VARIABLE.
// 'data' points to an array of retro_variable structs terminated by a { NULL, NULL } element.
// retro_variable::value should contain a human readable description of the key.
//
#define RETRO_ENVIRONMENT_SET_MESSAGE 6 // const struct retro_message * --
// Sets a message to be displayed in implementation-specific manner for a certain amount of 'frames'.
struct retro_message
{
const char *msg;
unsigned frames;
};
struct retro_system_info
{
const char *library_name;
const char *library_version;
const char *valid_extensions;
bool need_fullpath;
bool block_extract;
};
struct retro_game_geometry
{
unsigned base_width; // Nominal video width of game.
unsigned base_height; // Nominal video height of game.
unsigned max_width; // Maximum possible width of game.
unsigned max_height; // Maximum possible height of game.
float aspect_ratio; // Nominal aspect ratio of game. If aspect_ratio is <= 0.0,
// an aspect ratio of base_width / base_height is assumed.
// A frontend could override this setting if desired.
};
struct retro_system_timing
{
double fps; // FPS of video content.
double sample_rate; // Sampling rate of audio.
};
struct retro_system_av_info
{
struct retro_game_geometry geometry;
struct retro_system_timing timing;
};
struct retro_variable
{
const char *key; // Variable to query in RETRO_ENVIRONMENT_GET_VARIABLE.
// If NULL, obtains the complete environment string if more complex parsing is necessary.
// The environment string is formatted as key-value pairs delimited by semicolons as so:
// "key1=value1;key2=value2;..."
const char *value; // Value to be obtained. If key does not exist, it is set to NULL.
};
struct retro_game_info
{
const char *path; // Path to game, UTF-8 encoded. Usually used as a reference.
// May be NULL if rom was loaded from stdin or similar.
// SET_NEED_FULLPATH path guaranteed that this path is valid.
const void *data; // Memory buffer of loaded game.
// If the game is too big to load in one go.
// SET_NEED_FULLPATH should be used.
// In this case, data and size will be 0,
// and game can be loaded from path.
size_t size; // Size of memory buffer.
const char *meta; // String of implementation specific meta-data.
};
typedef bool (*retro_environment_t)(unsigned cmd, void *data);
typedef void (*retro_video_refresh_t)(const void *data, unsigned width, unsigned height, size_t pitch);
typedef void (*retro_audio_sample_t)(int16_t left, int16_t right);
typedef size_t (*retro_audio_sample_batch_t)(const int16_t *data, size_t frames);
typedef void (*retro_input_poll_t)(void);
typedef int16_t (*retro_input_state_t)(unsigned port, unsigned device, unsigned index, unsigned id);
void retro_init(void);
void retro_deinit(void);
unsigned retro_api_version(void);
void retro_get_system_info(struct retro_system_info *info);
void retro_get_system_av_info(struct retro_system_av_info *info);
void retro_set_environment(retro_environment_t);
void retro_set_video_refresh(retro_video_refresh_t);
void retro_set_audio_sample(retro_audio_sample_t);
void retro_set_audio_sample_batch(retro_audio_sample_batch_t);
void retro_set_input_poll(retro_input_poll_t);
void retro_set_input_state(retro_input_state_t);
void retro_set_controller_port_device(unsigned port, unsigned device);
void retro_reset(void);
void retro_run(void);
size_t retro_serialize_size(void);
bool retro_serialize(void *data, size_t size);
bool retro_unserialize(const void *data, size_t size);
void retro_cheat_reset(void);
void retro_cheat_set(unsigned index, bool enabled, const char *code);
bool retro_load_game(const struct retro_game_info *game);
bool retro_load_game_special(
unsigned game_type,
const struct retro_game_info *info, size_t num_info
);
void retro_unload_game(void);
unsigned retro_get_region(void);
void *retro_get_memory_data(unsigned id);
size_t retro_get_memory_size(unsigned id);
#ifdef __cplusplus
}
#endif
#endif

4
libretro/link.T Normal file
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@ -0,0 +1,4 @@
{
global: retro_*;
local: *;
};

47
libsnes/libsnes.def
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@ -1,47 +0,0 @@
LIBRARY snes
EXPORTS
snes_library_id
snes_library_revision_major
snes_library_revision_minor
snes_set_video_refresh
snes_set_audio_sample
snes_set_input_poll
snes_set_input_state
snes_set_environment
snes_set_controller_port_device
snes_set_cartridge_basename
snes_init
snes_term
snes_power
snes_reset
snes_run
snes_serialize_size
snes_serialize
snes_unserialize
snes_cheat_reset
snes_cheat_set
snes_load_cartridge_normal
snes_load_cartridge_bsx_slotted
snes_load_cartridge_bsx
snes_load_cartridge_sufami_turbo
snes_load_cartridge_super_game_boy
snes_unload_cartridge
snes_get_region
snes_get_memory_data
snes_get_memory_size

1264
libsnes/libsnes.hpp
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File diff suppressed because it is too large Load Diff

4
libsnes/link.T
View File

@ -1,4 +0,0 @@
{
global: snes_*;
local: *;
};