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core, fix floating bus read for 68k (regression)

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kub 2024-05-18 21:58:25 +02:00
parent 864ac1d6a6
commit 4167049666
1 changed files with 1 additions and 1 deletions
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pico/memory.c
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@ -204,7 +204,7 @@ u32 PicoRead16_floating(u32 a)
// faking open bus // faking open bus
u32 d = (Pico.m.rotate += 0x41); u32 d = (Pico.m.rotate += 0x41);
d ^= (d << 5) ^ (d << 8); d ^= (d << 5) ^ (d << 8);
if ((a & 0xff0000) == 0xa10000) d = 0; // MegaCD pulldowns don't work here curiously if ((a & 0xff0000) == 0xa10000) return d; // MegaCD pulldowns don't work here curiously
return (PicoIn.AHW & PAHW_MCD) ? 0x00 : d; // pulldown if MegaCD2 attached return (PicoIn.AHW & PAHW_MCD) ? 0x00 : d; // pulldown if MegaCD2 attached
} }