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ES5506: new vol/pan range is 4095

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This commit is contained in:
tildearrow 2023-02-12 01:48:02 -05:00
parent ede47cbf97
commit c9eb4482b0
3 changed files with 22 additions and 22 deletions
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26
src/engine/platform/es5506.cpp
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@ -190,7 +190,7 @@ void DivPlatformES5506::tick(bool sysTick) {
signed int k1=chan[i].k1Prev,k2=chan[i].k2Prev;
// volume/panning macros
if (chan[i].std.vol.had) {
const unsigned int nextVol=VOL_SCALE_LOG((0xffff*chan[i].vol)/0xff,(0xffff*(unsigned int)chan[i].std.vol.val)/chan[i].volMacroMax,0xffff);
const unsigned int nextVol=VOL_SCALE_LOG((0xfff*chan[i].vol)/0xff,(0xfff*(unsigned int)chan[i].std.vol.val)/chan[i].volMacroMax,0xfff);
if (chan[i].outVol!=nextVol) {
chan[i].outVol=nextVol;
chan[i].volChanged.lVol=1;
@ -198,14 +198,14 @@ void DivPlatformES5506::tick(bool sysTick) {
}
}
if (chan[i].std.panL.had) {
const unsigned int nextLVol=VOL_SCALE_LOG((0xffff*chan[i].lVol)/0xff,(0xffff*(unsigned int)chan[i].std.panL.val)/chan[i].panMacroMax,0xffff);
const unsigned int nextLVol=VOL_SCALE_LOG((0xfff*chan[i].lVol)/0xff,(0xfff*(unsigned int)chan[i].std.panL.val)/chan[i].panMacroMax,0xfff);
if (chan[i].outLVol!=nextLVol) {
chan[i].outLVol=nextLVol;
chan[i].volChanged.lVol=1;
}
}
if (chan[i].std.panR.had) {
const unsigned int nextRVol=VOL_SCALE_LOG((0xffff*chan[i].rVol)/0xff,(0xffff*(unsigned int)chan[i].std.panR.val)/chan[i].panMacroMax,0xffff);
const unsigned int nextRVol=VOL_SCALE_LOG((0xfff*chan[i].rVol)/0xff,(0xfff*(unsigned int)chan[i].std.panR.val)/chan[i].panMacroMax,0xfff);
if (chan[i].outRVol!=nextRVol) {
chan[i].outRVol=nextRVol;
chan[i].volChanged.rVol=1;
@ -385,13 +385,13 @@ void DivPlatformES5506::tick(bool sysTick) {
if (chan[i].volChanged.changed) {
// calculate volume (16 bit)
if (chan[i].volChanged.lVol) {
chan[i].resLVol=VOL_SCALE_LOG(chan[i].outVol,chan[i].outLVol,0xffff);
chan[i].resLVol=VOL_SCALE_LOG(chan[i].outVol,chan[i].outLVol,0xfff)<<4;
if (!chan[i].keyOn && chan[i].active) {
pageWrite(0x00|i,0x02,chan[i].resLVol);
}
}
if (chan[i].volChanged.rVol) {
chan[i].resRVol=VOL_SCALE_LOG(chan[i].outVol,chan[i].outRVol,0xffff);
chan[i].resRVol=VOL_SCALE_LOG(chan[i].outVol,chan[i].outRVol,0xfff)<<4;
if (!chan[i].keyOn && chan[i].active) {
pageWrite(0x00|i,0x04,chan[i].resRVol);
}
@ -738,8 +738,8 @@ int DivPlatformES5506::dispatch(DivCommand c) {
}
if (sample>=0 && sample<parent->song.sampleLen) {
sampleVaild=true;
chan[c.chan].volMacroMax=ins->type==DIV_INS_AMIGA?64:0xffff;
chan[c.chan].panMacroMax=ins->type==DIV_INS_AMIGA?127:0xffff;
chan[c.chan].volMacroMax=ins->type==DIV_INS_AMIGA?64:0xfff;
chan[c.chan].panMacroMax=ins->type==DIV_INS_AMIGA?127:0xfff;
chan[c.chan].pcm.next=sample;
chan[c.chan].filter=ins->es5506.filter;
chan[c.chan].envelope=ins->es5506.envelope;
@ -760,13 +760,13 @@ int DivPlatformES5506::dispatch(DivCommand c) {
chan[c.chan].volChanged.changed=0xff;
}
if (!chan[c.chan].std.vol.will) {
chan[c.chan].outVol=(0xffff*chan[c.chan].vol)/0xff;
chan[c.chan].outVol=(0xfff*chan[c.chan].vol)/0xff;
}
if (!chan[c.chan].std.panL.will) {
chan[c.chan].outLVol=(0xffff*chan[c.chan].lVol)/0xff;
chan[c.chan].outLVol=(0xfff*chan[c.chan].lVol)/0xff;
}
if (!chan[c.chan].std.panR.will) {
chan[c.chan].outRVol=(0xffff*chan[c.chan].rVol)/0xff;
chan[c.chan].outRVol=(0xfff*chan[c.chan].rVol)/0xff;
}
chan[c.chan].active=true;
chan[c.chan].keyOn=true;
@ -793,7 +793,7 @@ int DivPlatformES5506::dispatch(DivCommand c) {
if (chan[c.chan].vol!=(unsigned int)(c.value)) {
chan[c.chan].vol=c.value;
if (!chan[c.chan].std.vol.has) {
chan[c.chan].outVol=(0xffff*c.value)/0xff;
chan[c.chan].outVol=(0xfff*c.value)/0xff;
chan[c.chan].volChanged.changed=0xff;
}
}
@ -810,7 +810,7 @@ int DivPlatformES5506::dispatch(DivCommand c) {
if (chan[c.chan].lVol!=(unsigned int)(c.value)) {
chan[c.chan].lVol=c.value;
if (!chan[c.chan].std.panL.has) {
chan[c.chan].outLVol=(0xffff*c.value)/0xff;
chan[c.chan].outLVol=(0xfff*c.value)/0xff;
chan[c.chan].volChanged.lVol=1;
}
}
@ -818,7 +818,7 @@ int DivPlatformES5506::dispatch(DivCommand c) {
if (chan[c.chan].rVol!=(unsigned int)(c.value2)) {
chan[c.chan].rVol=c.value2;
if (!chan[c.chan].std.panR.has) {
chan[c.chan].outRVol=(0xffff*c.value2)/0xff;
chan[c.chan].outRVol=(0xfff*c.value2)/0xff;
chan[c.chan].volChanged.rVol=1;
}
}