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emulator timing fixes, VDP DMA fixes, improved DAC audio

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This commit is contained in:
kub 2020-01-14 23:00:44 +01:00
parent b9bc876c9c
commit 43e1401008
10 changed files with 118 additions and 98 deletions
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22
pico/debug.c
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@ -369,42 +369,32 @@ void PDebugDumpMem(void)
void PDebugZ80Frame(void)
{
int lines, line_sample;
int lines;
if (PicoIn.AHW & PAHW_SMS)
return;
if (Pico.m.pal) {
if (Pico.m.pal)
lines = 313;
line_sample = 68;
} else {
else
lines = 262;
line_sample = 93;
}
z80_resetCycles();
PsndStartFrame();
if (/*Pico.m.z80Run &&*/ !Pico.m.z80_reset && (PicoIn.opt&POPT_EN_Z80))
PicoSyncZ80(Pico.t.m68c_cnt + line_sample * 488);
if (PicoIn.sndOut)
PsndGetSamples(line_sample);
if (/*Pico.m.z80Run &&*/ !Pico.m.z80_reset && (PicoIn.opt&POPT_EN_Z80)) {
PicoSyncZ80(Pico.t.m68c_cnt + 224 * 488);
z80_int();
}
if (PicoIn.sndOut)
PsndGetSamples(224);
// sync z80
if (/*Pico.m.z80Run &&*/ !Pico.m.z80_reset && (PicoIn.opt&POPT_EN_Z80)) {
Pico.t.m68c_cnt += Pico.m.pal ? 151809 : 127671; // cycles adjusted for converter
PicoSyncZ80(Pico.t.m68c_cnt);
}
if (PicoIn.sndOut && ym2612.dacen && Pico.snd.dac_line < lines)
PsndDoDAC(lines - 1);
PsndDoPSG(lines - 1);
if (PicoIn.sndOut)
PsndGetSamples(lines);
timers_cycle();
Pico.t.m68c_aim = Pico.t.m68c_cnt;