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PC speaker: add PC-98 clock rate options

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This commit is contained in:
tildearrow 2022-11-10 04:48:15 -05:00
parent 3f2f8a7197
commit 69bb628a8b
2 changed files with 27 additions and 1 deletions
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12
src/engine/platform/pcspkr.cpp
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@ -587,7 +587,17 @@ bool DivPlatformPCSpeaker::keyOffAffectsArp(int ch) {
}
void DivPlatformPCSpeaker::setFlags(const DivConfig& flags) {
chipClock=COLOR_NTSC/3.0;
switch (flags.getInt("clockSel",0)) {
case 1: // PC-98
chipClock=38400*52;
break;
case 2: // PC-98
chipClock=38400*64;
break;
default: // IBM PC
chipClock=COLOR_NTSC/3.0;
break;
}
rate=chipClock/PCSPKR_DIVIDER;
speakerType=flags.getInt("speakerType",0)&3;
oscBuf->rate=rate;