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add ability to select custom clock rates

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This commit is contained in:
tildearrow 2022-12-04 02:04:42 -05:00
parent d6d6743740
commit c6604ff581
43 changed files with 113 additions and 50 deletions
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9
src/engine/platform/n163.cpp
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@ -624,18 +624,19 @@ void DivPlatformN163::poke(std::vector<DivRegWrite>& wlist) {
void DivPlatformN163::setFlags(const DivConfig& flags) {
switch (flags.getInt("clockSel",0)) {
case 1: // PAL
rate=COLOR_PAL*3.0/8.0;
chipClock=COLOR_PAL*3.0/8.0;
break;
case 2: // Dendy
rate=COLOR_PAL*2.0/5.0;
chipClock=COLOR_PAL*2.0/5.0;
break;
default: // NTSC
rate=COLOR_NTSC/2.0;
chipClock=COLOR_NTSC/2.0;
break;
}
CHECK_CUSTOM_CLOCK;
initChanMax=chanMax=flags.getInt("channels",0)&7;
multiplex=!flags.getBool("multiplex",false); // not accurate in real hardware
chipClock=rate;
rate=chipClock;
rate/=15;
n163.set_multiplex(multiplex);
rWrite(0x7f,initChanMax<<4);