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mcd, some improvements (dma timing, interrupt handling)

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kub 2024-04-19 21:08:09 +02:00
parent 4447902711
commit 691abdfa0f
3 changed files with 22 additions and 19 deletions
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5
pico/cd/mcd.c
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@ -149,7 +149,7 @@ static void pcd_cdc_event(unsigned int now)
/* reset CDD command wait flag */
Pico_mcd->s68k_regs[0x4b] = 0xf0;
if (Pico_mcd->s68k_regs[0x33] & PCDS_IEN4) {
if ((Pico_mcd->s68k_regs[0x33] & PCDS_IEN4) && (Pico_mcd->s68k_regs[0x37] & 4)) {
elprintf(EL_INTS|EL_CD, "s68k: cdd irq 4");
pcd_irq_s68k(4, 1);
}
@ -209,8 +209,7 @@ void pcd_event_schedule(unsigned int now, enum pcd_event event, int after)
void pcd_event_schedule_s68k(enum pcd_event event, int after)
{
if (SekCyclesLeftS68k > after)
SekEndRunS68k(after);
SekEndRunS68k(after);
pcd_event_schedule(SekCyclesDoneS68k(), event, after);
}