Re: Does anyone has text console or framebuffer working on SC1200 without VGA-BIOS ?

[ron minnich]

On Tue, 23 Sep 2003, Bernd Mödeker wrote:
> the internal vga pci device at 0:12.4 should be found when you write
> 0x80009400 to pci index reg
> 0xcf8. After that the value 0x0504100b should be returned at 0xcfc as vendor
> id (0x100b) and device id (0x0504).
> After single stepping this return value AX is set to 0x4000 and not 0x100b.
> Unfortunaly EAX is not printed:
>
> c000:0124 ed                  IN        EAX,DX
> c000:124 -
>         AX=4000  BX=0000  CX=0000  DX=0cfc  SP=ffea  BP=0000  SI=0000
> DI=0000
>         DS=0000  ES=c000  SS=0030  CS=c000  IP=0126   NV UP DI PL ZR NA PE
> NC

you're not going to get eax in an 8086. This is an issue.

I wonder if there is an enable for the vga device that we are not setting.

ron