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mcd, fix timing for irq while polling detected

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This commit is contained in:
kub 2021-05-06 21:19:25 +02:00
parent 7e77080f45
commit eb36d9c7e6
5 changed files with 24 additions and 13 deletions
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14
pico/cd/mcd.c
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@ -177,7 +177,7 @@ static void pcd_cdc_event(unsigned int now)
if (Pico_mcd->s68k_regs[0x33] & PCDS_IEN4) {
elprintf(EL_INTS|EL_CD, "s68k: cdd irq 4");
SekInterruptS68k(4);
pcd_irq_s68k(4, 1);
}
}
@ -188,7 +188,7 @@ static void pcd_int3_timer_event(unsigned int now)
{
if (Pico_mcd->s68k_regs[0x33] & PCDS_IEN3) {
elprintf(EL_INTS|EL_CD, "s68k: timer irq 3");
SekInterruptS68k(3);
pcd_irq_s68k(3, 1);
}
if (Pico_mcd->s68k_regs[0x31] != 0)
@ -280,6 +280,16 @@ static void pcd_run_events(unsigned int until)
oldest, event_time_next);
}
void pcd_irq_s68k(int irq, int state)
{
if (state) {
SekInterruptS68k(irq);
SekSetStopS68k(0);
Pico_mcd->m.s68k_poll_a = 0;
} else
SekInterruptClearS68k(irq);
}
int pcd_sync_s68k(unsigned int m68k_target, int m68k_poll_sync)
{
#define now SekCycleCntS68k