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Mapper 280: UNROM-after-reset needs vertical mirroring.

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NewRisingSun
2025-09-12 13:55:05 +02:00
parent 3b05920d4b
commit 2731fdc56b
1 changed files with 2 additions and 1 deletions
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3
src/boards/280.c
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@@ -41,6 +41,7 @@ static void Sync(void) {
setprg16(0x8000, 0x20 | latchData &0x07); setprg16(0x8000, 0x20 | latchData &0x07);
setprg16(0xC000, 0x27); setprg16(0xC000, 0x27);
} }
setmirror(MI_V);
} else { } else {
if (latchAddr &0x01) if (latchAddr &0x01)
setprg32(0x8000, latchAddr >>3 &0x0F); setprg32(0x8000, latchAddr >>3 &0x0F);
@@ -49,10 +50,10 @@ static void Sync(void) {
setprg16(0xC000, latchAddr >>2 &0x1F); setprg16(0xC000, latchAddr >>2 &0x1F);
} }
if (~latchAddr &0x80) setprg16(0xC000, 0); if (~latchAddr &0x80) setprg16(0xC000, 0);
setmirror(latchAddr &0x02? MI_H: MI_V);
} }
SetupCartCHRMapping(0, CHRptr[0], 0x2000, ~mode &0x01 && latchAddr &0x80? 0: 1); SetupCartCHRMapping(0, CHRptr[0], 0x2000, ~mode &0x01 && latchAddr &0x80? 0: 1);
setchr8(0); setchr8(0);
setmirror(latchAddr &0x02? MI_H: MI_V);
} }
static DECLFW(M280Write) { static DECLFW(M280Write) {