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snes9x
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Merge remote-tracking branch 'refs/remotes/snes9xgit/master' into update-gitignore

This commit is contained in:
Nelson Garcia 2017-09-05 12:28:35 -07:00
parent 3725beff23 158b509bbb
commit e30fe0c8d2
5 changed files with 148 additions and 46 deletions
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57
apu/apu.cpp
View File

@ -245,6 +245,8 @@ namespace msu
static int buffer_size;
static uint8 *landing_buffer = NULL;
static Resampler *resampler = NULL;
static int resample_buffer_size = -1;
static uint8 *resample_buffer = NULL;
}
static void EightBitize (uint8 *, int);
@ -314,6 +316,13 @@ bool8 S9xMixSamples (uint8 *buffer, int sample_count)
else
dest = buffer;
if (Settings.MSU1 && msu::resample_buffer_size < (sample_count << 1))
{
delete[] msu::resample_buffer;
msu::resample_buffer = new uint8[sample_count << 1];
msu::resample_buffer_size = sample_count << 1;
}
if (Settings.Mute)
{
memset(dest, 0, sample_count << 1);
@ -336,11 +345,12 @@ bool8 S9xMixSamples (uint8 *buffer, int sample_count)
{
if (msu::resampler->avail() >= sample_count)
{
uint8 *msu_sample = new uint8[sample_count * 2];
msu::resampler->read((short *)msu_sample, sample_count);
msu::resampler->read((short *)msu::resample_buffer, sample_count);
for (uint32 i = 0; i < sample_count; ++i)
*((int16*)(dest+(i * 2))) += *((int16*)(msu_sample+(i * 2)));
*((int16*)(dest+(i * 2))) += *((int16*)(msu::resample_buffer +(i * 2)));
}
else // should never occur
assert(0);
}
}
else
@ -381,20 +391,11 @@ int S9xGetSampleCount (void)
/* TODO: Attach */
void S9xFinalizeSamples (void)
{
bool drop_current_msu1_samples = true;
if (!Settings.Mute)
{
if (Settings.MSU1)
{
S9xMSU1SetOutput((int16 *)msu::landing_buffer, msu::buffer_size);
S9xMSU1Generate(SNES::dsp.spc_dsp.sample_count());
if (!msu::resampler->push((short *)msu::landing_buffer, S9xMSU1Samples()))
{
//spc::sound_in_sync = FALSE;
//if (Settings.SoundSync && !Settings.TurboMode)
//return;
}
}
drop_current_msu1_samples = false;
if (!spc::resampler->push((short *)spc::landing_buffer, SNES::dsp.spc_dsp.sample_count()))
{
@ -403,6 +404,24 @@ void S9xFinalizeSamples (void)
if (Settings.SoundSync && !Settings.TurboMode)
return;
// since we drop the current dsp samples we also want to drop generated msu1 samples
drop_current_msu1_samples = true;
}
}
// only generate msu1 if we really consumed the dsp samples (sample_count() resets at end of function),
// otherwise we will generate multiple times for the same samples - so this needs to be after all early
// function returns
if (Settings.MSU1)
{
// generate the same number of msu1 samples as dsp samples were generated
S9xMSU1SetOutput((int16 *)msu::landing_buffer, msu::buffer_size);
S9xMSU1Generate(SNES::dsp.spc_dsp.sample_count());
if (!drop_current_msu1_samples && !msu::resampler->push((short *)msu::landing_buffer, S9xMSU1Samples()))
{
// should not occur, msu buffer is larger and we drop msu samples if spc buffer overruns
assert(0);
}
}
@ -486,7 +505,7 @@ bool8 S9xInitSound (int buffer_ms, int lag_ms)
spc::buffer_size <<= 1;
if (Settings.SixteenBitSound)
spc::buffer_size <<= 1;
msu::buffer_size = sample_count << 2; // Always 16-bit, Stereo
msu::buffer_size = (int)((sample_count << 2) * 1.5); // Always 16-bit, Stereo; 1.5 to never overflow before dsp buffer
printf("Sound buffer size: %d (%d samples)\n", spc::buffer_size, sample_count);
@ -603,6 +622,12 @@ void S9xDeinitAPU (void)
delete[] msu::landing_buffer;
msu::landing_buffer = NULL;
}
if (msu::resample_buffer)
{
delete[] msu::resample_buffer;
msu::resample_buffer = NULL;
}
}
static inline int S9xAPUGetClock (int32 cpucycles)

13
loadzip.cpp
View File

@ -209,7 +209,7 @@ bool8 LoadZip (const char *zipname, uint32 *TotalFileSize, uint8 *buffer)
if (file == NULL)
return (FALSE);
// find largest file in zip file (under MAX_ROM_SIZE) or a file with extension .1
// find largest file in zip file (under MAX_ROM_SIZE) or a file with extension .1, or a file named program.rom
char filename[132];
uint32 filesize = 0;
int port = unzGoToFirstFile(file);
@ -241,10 +241,19 @@ bool8 LoadZip (const char *zipname, uint32 *TotalFileSize, uint8 *buffer)
break;
}
if (strncasecmp(name, "program.rom", 11) == 0)
{
strcpy(filename, name);
filesize = info.uncompressed_size;
break;
}
port = unzGoToNextFile(file);
}
if (!(port == UNZ_END_OF_LIST_OF_FILE || port == UNZ_OK) || filesize == 0)
int len = strlen(zipname);
if (!(port == UNZ_END_OF_LIST_OF_FILE || port == UNZ_OK) || filesize == 0 ||
(len > 5 && strcasecmp(zipname + len - 5, ".msu1") == 0 && strcasecmp(filename, "program.rom") != 0))
{
assert(unzClose(file) == UNZ_OK);
return (FALSE);

44
memmap.cpp
View File

@ -967,7 +967,7 @@ static bool8 ReadUPSPatch (Stream *, long, int32 &);
static long ReadInt (Stream *, unsigned);
static bool8 ReadIPSPatch (Stream *, long, int32 &);
#ifdef UNZIP_SUPPORT
static int unzFindExtension (unzFile &, const char *, bool restart = TRUE, bool print = TRUE);
static int unzFindExtension (unzFile &, const char *, bool restart = TRUE, bool print = TRUE, bool allowExact = FALSE);
#endif
// deinterleave
@ -1439,7 +1439,7 @@ uint32 CMemory::FileLoader (uint8 *buffer, const char *filename, uint32 maxsize)
_makepath(fname, drive, dir, name, exts);
int nFormat = FILE_DEFAULT;
if (strcasecmp(ext, "zip") == 0)
if (strcasecmp(ext, "zip") == 0 || strcasecmp(ext, "msu1") == 0)
nFormat = FILE_ZIP;
else
if (strcasecmp(ext, "jma") == 0)
@ -4188,10 +4188,10 @@ static bool8 ReadIPSPatch (Stream *r, long offset, int32 &rom_size)
}
#ifdef UNZIP_SUPPORT
static int unzFindExtension (unzFile &file, const char *ext, bool restart, bool print)
static int unzFindExtension (unzFile &file, const char *ext, bool restart, bool print, bool allowExact)
{
unz_file_info info;
int port, l = strlen(ext);
int port, l = strlen(ext), e = allowExact ? 0 : 1;
if (restart)
port = unzGoToFirstFile(file);
@ -4206,7 +4206,7 @@ static int unzFindExtension (unzFile &file, const char *ext, bool restart, bool
unzGetCurrentFileInfo(file, &info, name, 128, NULL, 0, NULL, 0);
len = strlen(name);
if (len >= l + 1 && name[len - l - 1] == '.' && strcasecmp(name + len - l, ext) == 0 && unzOpenCurrentFile(file) == UNZ_OK)
if (len >= l + e && name[len - l - 1] == '.' && strcasecmp(name + len - l, ext) == 0 && unzOpenCurrentFile(file) == UNZ_OK)
{
if (print)
printf("Using patch %s", name);
@ -4751,4 +4751,38 @@ void CMemory::CheckForAnyPatch (const char *rom_filename, bool8 header, int32 &r
if (flag)
return;
}
#ifdef UNZIP_SUPPORT
// Mercurial Magic (MSU-1 distribution pack)
if (strcasecmp(ext, "msu1") && strcasecmp(ext, ".msu1"))
{
_makepath(fname, drive, dir, name, "msu1");
unzFile msu1file = unzOpen(fname);
if (!msu1file)
{
_snprintf(fname, sizeof(fname), "%s" SLASH_STR "%s%s",
S9xGetDirectory(IPS_DIR), name, ".msu1");
msu1file = unzOpen(fname);
}
if (msu1file)
{
int port = unzFindExtension(msu1file, "bps");
if (port == UNZ_OK)
{
printf(" in %s", fname);
Stream *s = new unzStream(msu1file);
ret = ReadBPSPatch(s, offset, rom_size);
s->closeStream();
if (ret)
printf("!\n");
else
printf(" failed!\n");
}
}
}
#endif
}

69
msu1.cpp
View File

@ -191,6 +191,7 @@
***********************************************************************************/
#include "snes9x.h"
#include "memmap.h"
#include "display.h"
#include "msu1.h"
#include "apu/bapu/dsp/blargg_endian.h"
@ -206,10 +207,10 @@ size_t partial_samples;
int16 *bufPos, *bufBegin, *bufEnd;
#ifdef UNZIP_SUPPORT
static int unzFindExtension(unzFile &file, const char *ext, bool restart = TRUE, bool print = TRUE)
static int unzFindExtension(unzFile &file, const char *ext, bool restart = TRUE, bool print = TRUE, bool allowExact = FALSE)
{
unz_file_info info;
int port, l = strlen(ext);
int port, l = strlen(ext), e = allowExact ? 0 : 1;
if (restart)
port = unzGoToFirstFile(file);
@ -224,7 +225,7 @@ static int unzFindExtension(unzFile &file, const char *ext, bool restart = TRUE,
unzGetCurrentFileInfo(file, &info, name, 128, NULL, 0, NULL, 0);
len = strlen(name);
if (len >= l + 1 && strcasecmp(name + len - l, ext) == 0 && unzOpenCurrentFile(file) == UNZ_OK)
if (len >= l + e && strcasecmp(name + len - l, ext) == 0 && unzOpenCurrentFile(file) == UNZ_OK)
{
if (print)
printf("Using msu file %s", name);
@ -247,24 +248,28 @@ STREAM S9xMSU1OpenFile(char *msu_ext)
printf("Using msu file %s.\n", filename);
#ifdef UNZIP_SUPPORT
// look for msu file in .msu.zip if not found in rom dir
// look for msu1 pack file in the rom or patch dir if msu data file not found in rom dir
if (!file)
{
const char *zip_filename = S9xGetFilename(".msu.zip", ROMFILENAME_DIR);
if (zip_filename)
const char *zip_filename = S9xGetFilename(".msu1", ROMFILENAME_DIR);
unzFile unzFile = unzOpen(zip_filename);
if (!unzFile)
{
zip_filename = S9xGetFilename(".msu1", IPS_DIR);
unzFile = unzOpen(zip_filename);
}
if (unzFile)
{
unzFile unzFile = unzOpen(zip_filename);
if (unzFile)
int port = unzFindExtension(unzFile, msu_ext, true, true, true);
if (port == UNZ_OK)
{
int port = unzFindExtension(unzFile, msu_ext);
if (port == UNZ_OK)
{
printf(" in %s.\n", zip_filename);
file = new unzStream(unzFile);
}
else
unzCloseCurrentFile(unzFile);
printf(" in %s.\n", zip_filename);
file = new unzStream(unzFile);
}
else
unzCloseCurrentFile(unzFile);
}
}
#endif
@ -321,6 +326,10 @@ bool DataOpen()
}
dataStream = S9xMSU1OpenFile(".msu");
if(!dataStream)
dataStream = S9xMSU1OpenFile("msu1.rom");
return dataStream != NULL;
}
@ -366,12 +375,30 @@ void S9xMSU1Init(void)
bool S9xMSU1ROMExists(void)
{
struct stat buf;
STREAM s = S9xMSU1OpenFile(".msu");
bool8 exists = (s != NULL);
if(s)
CLOSE_STREAM(s);
return exists;
if (s)
{
CLOSE_STREAM(s);
return true;
}
#ifdef UNZIP_SUPPORT
char ext[_MAX_EXT + 1];
_splitpath(Memory.ROMFilename, nullptr, nullptr, nullptr, ext);
if (!strcasecmp(ext, ".msu1"))
return true;
unzFile unzFile = unzOpen(S9xGetFilename(".msu1", ROMFILENAME_DIR));
if(!unzFile)
unzFile = unzOpen(S9xGetFilename(".msu1", IPS_DIR));
if (unzFile)
{
unzCloseCurrentFile(unzFile);
return true;
}
#endif
return false;
}
void S9xMSU1Generate(size_t sample_count)

11
win32/wsnes9x.cpp
View File

@ -7063,10 +7063,17 @@ void MakeExtFile(void)
ofstream out;
out.open("Valid.Ext");
out<<"smcN"<<endl<<"zipY"<<endl<<"gzY" <<endl<<"swcN"<<endl<<"figN"<<endl;
out<<"smcN"<<endl;
#ifdef UNZIP_SUPPORT
out<<"zipY"<<endl;
out<<"msu1Y"<<endl;
#endif
out<<"gzY"<<endl;
out<<"swcN"<<endl;
out<<"figN"<<endl;
out<<"sfcN"<<endl;
out<<"bsN"<<endl;
out<<"jmaY";
out<<"jmaY"<<endl;
out.close();
SetFileAttributes(TEXT("Valid.Ext"), FILE_ATTRIBUTE_ARCHIVE|FILE_ATTRIBUTE_READONLY);
};