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core, fix Pico horizontal irq (on irq level 5)

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kub 2024-01-20 17:15:51 +01:00
parent 214a6c624c
commit ba2b97dc24
5 changed files with 10 additions and 7 deletions
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7
pico/videoport.c
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@ -979,7 +979,7 @@ PICO_INTERNAL_ASM void PicoVideoWrite(u32 a,unsigned short d)
}
SATaddr = ((pvid->reg[5]&0x7f) << 9) | ((pvid->reg[6]&0x20) << 11);
SATmask = ~0x1ff;
if (Pico.video.reg[12]&1)
if (pvid->reg[12]&1)
SATaddr &= ~0x200, SATmask &= ~0x200; // H40, zero lowest SAT bit
//elprintf(EL_STATUS, "spritep moved to %04x", SATaddr);
return;
@ -993,8 +993,9 @@ update_irq:
lines = (pvid->reg[1] & 0x20) | (pvid->reg[0] & 0x10);
pints = pvid->pending_ints & lines;
if (pints & 0x20) irq = 6;
else if (pints & 0x10) irq = 4;
SekInterrupt(irq); // update line
else if (pints & 0x10) irq = pvid->hint_irq;
if (SekIrqLevel < irq)
SekInterrupt(irq); // update line
// this is broken because cost of current insn isn't known here
if (irq) SekEndRun(21); // make it delayed