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chip flags rewrite, part 4 - DO NOT USE

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the next part is to drop systemFlagsOld completely
and then to fix the GUI
This commit is contained in:
tildearrow 2022-09-29 20:13:40 -05:00
parent ee6e0aa0e0
commit 48db9a1d0c
109 changed files with 532 additions and 377 deletions
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33
src/engine/platform/ym2203.cpp
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@ -909,13 +909,9 @@ void DivPlatformYM2203::setSkipRegisterWrites(bool value) {
ay->setSkipRegisterWrites(value);
}
void DivPlatformYM2203::setFlags(unsigned int flags) {
void DivPlatformYM2203::setFlags(const DivConfig& flags) {
// Clock flags
switch (flags&0x1f) {
default:
case 0x00:
chipClock=COLOR_NTSC;
break;
switch (flags.getInt("clockSel",0)) {
case 0x01:
chipClock=COLOR_PAL*4.0/5.0;
break;
@ -931,16 +927,12 @@ void DivPlatformYM2203::setFlags(unsigned int flags) {
case 0x05:
chipClock=3000000.0/2.0;
break;
default:
chipClock=COLOR_NTSC;
break;
}
// Prescaler flags
switch ((flags>>5)&0x3) {
default:
case 0x00: // /6
prescale=0x2d;
fmFreqBase=4720270.0,
fmDivBase=36,
ayDiv=16;
break;
switch (flags.getInt("prescale",0)) {
case 0x01: // /3
prescale=0x2e;
fmFreqBase=4720270.0/2.0,
@ -953,6 +945,12 @@ void DivPlatformYM2203::setFlags(unsigned int flags) {
fmDivBase=12,
ayDiv=4;
break;
default: // /6
prescale=0x2d;
fmFreqBase=4720270.0,
fmDivBase=36,
ayDiv=16;
break;
}
rate=fm->sample_rate(chipClock);
for (int i=0; i<6; i++) {
@ -961,10 +959,11 @@ void DivPlatformYM2203::setFlags(unsigned int flags) {
immWrite(0x2d,0xff);
immWrite(prescale,0xff);
ay->setExtClockDiv(chipClock,ayDiv);
ay->setFlags(16);
ay->setFlags(ayFlags);
}
int DivPlatformYM2203::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
int DivPlatformYM2203::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
ayFlags.set("chipType",1);
parent=p;
dumpWrites=false;
skipRegisterWrites=false;
@ -976,7 +975,7 @@ int DivPlatformYM2203::init(DivEngine* p, int channels, int sugRate, unsigned in
fm->set_fidelity(ymfm::OPN_FIDELITY_MIN);
// YM2149, 2MHz
ay=new DivPlatformAY8910(true,chipClock,ayDiv);
ay->init(p,3,sugRate,16);
ay->init(p,3,sugRate,ayFlags);
ay->toggleRegisterDump(true);
setFlags(flags);