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C64: use full cutoff/duty range

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this means .dmf becomes a second-class citizen since it only supports a
range of 0-100 (yeah) for arbitrary reasons...

the last bit to do is add effect that allows you to use the full range
This commit is contained in:
tildearrow 2022-01-09 17:00:52 -05:00
parent 4bbfc22c2a
commit 9b6db75d4f
4 changed files with 19 additions and 15 deletions
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8
src/engine/platform/c64.cpp
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@ -100,7 +100,7 @@ int DivPlatformC64::dispatch(DivCommand c) {
chan[c.chan].active=true;
chan[c.chan].keyOn=true;
if (chan[c.chan].insChanged || chan[c.chan].resetDuty || ins->std.waveMacroLen>0) {
chan[c.chan].duty=(ins->c64.duty*4095)/100;
chan[c.chan].duty=ins->c64.duty;
rWrite(c.chan*7+2,chan[c.chan].duty&0xff);
rWrite(c.chan*7+3,chan[c.chan].duty>>8);
}
@ -116,7 +116,7 @@ int DivPlatformC64::dispatch(DivCommand c) {
if (chan[c.chan].insChanged || chan[c.chan].resetFilter) {
chan[c.chan].filter=ins->c64.toFilter;
if (ins->c64.initFilter) {
filtCut=ins->c64.cut*2047/100;
filtCut=ins->c64.cut;
filtRes=ins->c64.res;
filtControl=ins->c64.lp|(ins->c64.bp<<1)|(ins->c64.hp<<2)|(ins->c64.ch3off<<3);
updateFilter();
@ -229,7 +229,7 @@ int DivPlatformC64::dispatch(DivCommand c) {
case DIV_CMD_C64_FILTER_RESET:
if (c.value&15) {
DivInstrument* ins=parent->getIns(chan[c.chan].ins);
filtCut=ins->c64.cut*2047/100;
filtCut=ins->c64.cut;
updateFilter();
}
chan[c.chan].resetFilter=c.value>>4;
@ -237,7 +237,7 @@ int DivPlatformC64::dispatch(DivCommand c) {
case DIV_CMD_C64_DUTY_RESET:
if (c.value&15) {
DivInstrument* ins=parent->getIns(chan[c.chan].ins);
chan[c.chan].duty=(ins->c64.duty*4095)/100;
chan[c.chan].duty=ins->c64.duty;
rWrite(c.chan*7+2,chan[c.chan].duty&0xff);
rWrite(c.chan*7+3,chan[c.chan].duty>>8);
}