The port 0x501 is (at least) used by SCO Xenix 2.3.4 installer. Signed-off-by: Hervé Poussineau <hpous...@reactos.org> --- hw/pc.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/hw/pc.c b/hw/pc.c index 12c02f2..113a38a 100644 --- a/hw/pc.c +++ b/hw/pc.c @@ -565,7 +565,10 @@ static void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val) /* LGPL'ed VGA BIOS messages */ case 0x501: case 0x502: +#ifdef DEBUG_BIOS exit((val << 1) | 1); +#endif + break; case 0x500: case 0x503: #ifdef DEBUG_BIOS -- 1.7.9