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Treat port 0x84, even if something is listening to it, as a delay port, fixes the Dell 466/NP on faster CPU's.

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Miran Grča
2025-05-18 09:11:13 +02:00
committed by GitHub
parent 5dc99cc137
commit 3b7515a4ff
1 changed files with 2 additions and 2 deletions
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src/io.c
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@@ -445,10 +445,10 @@ outb(uint16_t port, uint8_t val)
} }
} }
if (!found) { if (!found || (port == 0x84)) {
cycles -= io_delay; cycles -= io_delay;
#ifdef USE_DYNAREC #ifdef USE_DYNAREC
if (cpu_use_dynarec && ((port == 0xeb) || (port == 0xed))) if (cpu_use_dynarec && ((port == 0x84) || (port == 0xeb) || (port == 0xed)))
update_tsc(); update_tsc();
#endif #endif
} }