[LinuxBIOS] MB1030 / 3036 I like 13 :D
Stefan Reinauer
stepan at coresystems.de
Thu Apr 27 11:09:09 CEST 2006
* Christian Sühs <chris at suehsi.de> [060427 11:12]:
> Here is the output
Try disabling quite some of the debug stuff (i would start with
trace_on.. This will rule out timing issues.
> AX=2001 BX=0405 CX=0000 DX=03c4 SP=ffe8 BP=fff6 SI=0000 DI=0c97
> DS=0000 ES=c000 SS=c000 CS=c000 IP=6bc4 NV UP DI PL NZ NA PO NC
> c000:6bc2 8a05 MOV AL,[DI]
> AX=2067 BX=0405 CX=0000 DX=03c4 SP=ffe8 BP=fff6 SI=0000 DI=0c97
> DS=0000 ES=c000 SS=c000 CS=c000 IP=6bc5 NV UP DI PL NZ NA PO NC
> c000:6bc4 47 INC DI
> AX=2067 BX=0405 CX=0000 DX=03c4 SP=ffe8 BP=fff6 SI=0000 DI=0c98
> DS=0000 ES=c000 SS=c000 CS=c000 IP=6bc7 NV UP DI PL NZ NA PO NC
> c000:6bc5 b2c2 MOV DL,c2
> AX=2067 BX=0405 CX=0000 DX=03c2 SP=ffe8 BP=fff6 SI=0000 DI=0c98
> DS=0000 ES=c000 SS=c000 CS=c000 IP=6bc8 NV UP DI PL NZ NA PO NC
> c000:6bc7 ee OUT DX,AL
> A
So 3c2 (DX) is the Misc Output Register of VGA. But it might one of the
previous outbs that make it hang. Better keep that log for later
debugging.
Stefan
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