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mcd, fix irq2 handling (not cleared on disable)

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kub 2024-04-27 10:12:25 +02:00
parent ce5c904a39
commit e61dbac103
1 changed files with 6 additions and 4 deletions
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10
pico/cd/memory.c
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@ -166,14 +166,15 @@ void m68k_reg_write8(u32 a, u32 d)
switch (a) { switch (a) {
case 0: case 0:
d &= 1; d &= 1;
Pico_mcd->m.state_flags &= ~PCD_ST_S68K_IFL2; pcd_sync_s68k(SekCyclesDone(), 0);
if (d) Pico_mcd->m.state_flags |= PCD_ST_S68K_IFL2;
if (d && (Pico_mcd->s68k_regs[0x33] & PCDS_IEN2)) { if (d && (Pico_mcd->s68k_regs[0x33] & PCDS_IEN2)) {
elprintf(EL_INTS, "m68k: s68k irq 2"); elprintf(EL_INTS, "m68k: s68k irq 2");
pcd_sync_s68k(SekCyclesDone(), 0); Pico_mcd->m.state_flags |= PCD_ST_S68K_IFL2;
pcd_irq_s68k(2, 1); pcd_irq_s68k(2, 1);
} else } else {
Pico_mcd->m.state_flags &= ~PCD_ST_S68K_IFL2;
pcd_irq_s68k(2, 0); pcd_irq_s68k(2, 0);
}
return; return;
case 1: case 1:
d &= 3; d &= 3;
@ -193,6 +194,7 @@ void m68k_reg_write8(u32 a, u32 d)
Pico_mcd->m.state_flags &= ~(PCD_ST_S68K_RST|PCD_ST_S68K_POLL|PCD_ST_S68K_SLEEP); Pico_mcd->m.state_flags &= ~(PCD_ST_S68K_RST|PCD_ST_S68K_POLL|PCD_ST_S68K_SLEEP);
elprintf(EL_CDREGS, "m68k: resetting s68k"); elprintf(EL_CDREGS, "m68k: resetting s68k");
SekResetS68k(); SekResetS68k();
SekCycleCntS68k += 40;
} }
if (((dold & 3) == 1) != ((d & 3) == 1)) { if (((dold & 3) == 1) != ((d & 3) == 1)) {
elprintf(EL_INTSW, "m68k: s68k brq %i", d >> 1); elprintf(EL_INTSW, "m68k: s68k brq %i", d >> 1);