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- Restored the rhythm section to fmopl.cpp and made some slight updates from 

version 0.72 of MAME's fmopl.c. Also refactored CalcVoice so that the
  original MAME structure is more visible.


SVN r1368 (trunk)
This commit is contained in:
Randy Heit 2009-01-25 04:22:19 +00:00
parent 6ebbc920fb
commit 7f35a95942
6 changed files with 564 additions and 307 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
docs/rh-log.txt
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@ -1,4 +1,7 @@
January 24, 2009
- Restored the rhythm section to fmopl.cpp and made some slight updates from
version 0.72 of MAME's fmopl.c. Also refactored CalcVoice so that the
original MAME structure is more visible.
- Removed the SoundChans bitfield from AActor, since it seems there are race
conditions I don't fully understand where it simply doesn't work.
- Removed BaseTime initialization from sdl/i_system.cpp as per Chris's

800
src/oplsynth/fmopl.cpp
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File diff suppressed because it is too large Load Diff

22
src/oplsynth/fmopl.h
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@ -25,18 +25,18 @@ typedef void (*OPL_PORTHANDLER_W)(int param,unsigned char data);
typedef unsigned char (*OPL_PORTHANDLER_R)(int param);
int YM3812Init(int num, int clock, int rate);
void YM3812Shutdown(void);
void YM3812ResetChip(int which);
int YM3812Write(int which, int a, int v);
unsigned char YM3812Read(int which, int a);
int YM3812TimerOver(int which, int c);
void YM3812UpdateOne(int which, float *buffer, int length);
void *YM3812Init(int clock, int rate);
void YM3812Shutdown(void *chip);
void YM3812ResetChip(void *chip);
int YM3812Write(void *chip, int a, int v);
unsigned char YM3812Read(void *chip, int a);
int YM3812TimerOver(void *chip, int c);
void YM3812UpdateOne(void *chip, float *buffer, int length);
void YM3812SetTimerHandler(int which, OPL_TIMERHANDLER TimerHandler, int channelOffset);
void YM3812SetIRQHandler(int which, OPL_IRQHANDLER IRQHandler, int param);
void YM3812SetUpdateHandler(int which, OPL_UPDATEHANDLER UpdateHandler, int param);
void YM3812SetTimerHandler(void *chip, OPL_TIMERHANDLER TimerHandler, int channelOffset);
void YM3812SetIRQHandler(void *chip, OPL_IRQHANDLER IRQHandler, int param);
void YM3812SetUpdateHandler(void *chip, OPL_UPDATEHANDLER UpdateHandler, int param);
FString YM3812GetVoiceString();
FString YM3812GetVoiceString(void *chip);
#endif

29
src/oplsynth/mlopl_io.cpp
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@ -58,8 +58,8 @@ void OPLio::WriteDelay(int ticks)
void OPLio::OPLwriteReg(int which, uint reg, uchar data)
{
YM3812Write (which, 0, reg);
YM3812Write (which, 1, data);
YM3812Write (chips[which], 0, reg);
YM3812Write (chips[which], 1, data);
}
/*
@ -300,16 +300,28 @@ void OPLio::OPLshutup(void)
*/
int OPLio::OPLinit(uint numchips)
{
if (!YM3812Init (numchips, 3579545, int(OPL_SAMPLE_RATE)))
assert(numchips >= 1 && numchips <= 2);
chips[0] = YM3812Init (3579545, int(OPL_SAMPLE_RATE));
if (chips[0] != NULL)
{
OPLchannels = OPL2CHANNELS * numchips;
OPLwriteInitState();
return 0;
if (numchips > 1)
{
chips[1] = YM3812Init (3579545, int(OPL_SAMPLE_RATE));
if (chips[1] == NULL)
{
YM3812Shutdown(chips[0]);
chips[0] = NULL;
return -1;
}
}
}
else
{
return -1;
}
OPLchannels = OPL2CHANNELS * numchips;
OPLwriteInitState();
return 0;
}
void OPLio::OPLwriteInitState()
@ -328,5 +340,8 @@ void OPLio::OPLwriteInitState()
*/
void OPLio::OPLdeinit(void)
{
YM3812Shutdown ();
YM3812Shutdown (chips[0]);
chips[0] = NULL;
YM3812Shutdown (chips[1]);
chips[1] = NULL;
}

1
src/oplsynth/muslib.h
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@ -184,6 +184,7 @@ struct OPLio {
virtual void WriteDelay(int ticks);
uint OPLchannels;
void *chips[2];
};
struct DiskWriterIO : public OPLio

16
src/oplsynth/opl_mus_player.cpp
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@ -207,11 +207,8 @@ bool OPLmusicBlock::ServiceStream (void *buff, int numbytes)
if (samplesleft > 0)
{
YM3812UpdateOne (0, samples1, samplesleft);
if (TwoChips)
{
YM3812UpdateOne (1, samples1, samplesleft);
}
YM3812UpdateOne (io->chips[0], samples1, samplesleft);
YM3812UpdateOne (io->chips[1], samples1, samplesleft);
OffsetSamples(samples1, samplesleft);
assert(NextTickIn == ticky);
NextTickIn -= samplesleft;
@ -230,11 +227,8 @@ bool OPLmusicBlock::ServiceStream (void *buff, int numbytes)
{
if (numsamples > 0)
{
YM3812UpdateOne (0, samples1, numsamples);
if (TwoChips)
{
YM3812UpdateOne (1, samples1, numsamples);
}
YM3812UpdateOne (io->chips[0], samples1, numsamples);
YM3812UpdateOne (io->chips[1], samples1, numsamples);
OffsetSamples(samples1, numsamples);
}
res = false;
@ -448,10 +442,12 @@ int OPLmusicFile::PlayTick ()
return 0;
}
/*
ADD_STAT (opl)
{
return YM3812GetVoiceString ();
}
*/
OPLmusicFile::OPLmusicFile(const OPLmusicFile *source, const char *filename)
{