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PCM sample bank support

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This commit is contained in:
tildearrow 2021-12-09 03:13:37 -05:00
parent e3f14f3850
commit e2a41974ff
10 changed files with 41 additions and 6 deletions
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9
src/engine/platform/arcade.cpp
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@ -133,7 +133,7 @@ int DivPlatformArcade::dispatch(DivCommand c) {
switch (c.cmd) {
case DIV_CMD_NOTE_ON: {
if (c.chan>7) {
chan[c.chan].pcm.sample=c.value%12;
chan[c.chan].pcm.sample=12*sampleBank+c.value%12;
if (chan[c.chan].pcm.sample>=parent->song.sampleLen) {
chan[c.chan].pcm.sample=-1;
break;
@ -314,6 +314,12 @@ int DivPlatformArcade::dispatch(DivCommand c) {
rWrite(0x0f,0);
}
}
case DIV_CMD_SAMPLE_BANK:
sampleBank=c.value;
if (sampleBank>(parent->song.sample.size()/12)) {
sampleBank=parent->song.sample.size()/12;
}
break;
case DIV_ALWAYS_SET_VOLUME:
return 0;
break;
@ -356,6 +362,7 @@ int DivPlatformArcade::init(DivEngine* p, int channels, int sugRate, bool pal) {
pcmCycles=0;
pcmL=0;
pcmR=0;
sampleBank=0;
rWrite(0x19,0xff);