otomatalabs/furnace
7
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

C219: fix noise being restricted by sample length

Browse source
This commit is contained in:
tildearrow 2023-09-11 02:54:48 -05:00
parent 9864a8471c
commit f0255f30e8
1 changed files with 8 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
src/engine/platform/c140.cpp
View file

@ -209,7 +209,7 @@ void DivPlatformC140::tick(bool sysTick) {
if (chan[i].freq<0) chan[i].freq=0;
if (chan[i].freq>65535) chan[i].freq=65535;
if (is219) {
ctrl|=(chan[i].active?0x80:0)|((s->isLoopable())?0x10:0)|((s->depth==DIV_SAMPLE_DEPTH_C219)?1:0)|(chan[i].invert?0x40:0)|(chan[i].surround?8:0)|(chan[i].noise?4:0);
ctrl|=(chan[i].active?0x80:0)|((s->isLoopable() || chan[i].noise)?0x10:0)|((s->depth==DIV_SAMPLE_DEPTH_C219)?1:0)|(chan[i].invert?0x40:0)|(chan[i].surround?8:0)|(chan[i].noise?4:0);
} else {
ctrl|=(chan[i].active?0x80:0)|((s->isLoopable())?0x10:0)|((s->depth==DIV_SAMPLE_DEPTH_MULAW)?0x08:0);
}
@ -228,11 +228,15 @@ void DivPlatformC140::tick(bool sysTick) {
start=sampleOff[chan[i].sample]&0xffff;
end=MIN(start+s->length8-1,65535);
}
} else if (chan[i].noise && is219) {
bank=groupBank[i>>2];
start=0;
end=1;
}
if (chan[i].audPos>0) {
start=MIN(start+(MIN(chan[i].audPos,s->length8)>>1),65535);
}
if (s->isLoopable()) {
if (chan[i].sample>=0 && chan[i].sample<parent->song.sampleLen && s->isLoopable()) {
if (is219) {
loop=MIN(start+(s->loopStart>>1),65535);
end=MIN(start+(s->loopEnd>>1)-1,65535);
@ -240,6 +244,8 @@ void DivPlatformC140::tick(bool sysTick) {
loop=MIN(start+s->loopStart,65535);
end=MIN(start+s->loopEnd-1,65535);
}
} else if (chan[i].noise && is219) {
loop=0;
}
rWrite(0x05+(i<<4),0); // force keyoff first
if (is219) {