On 25 May 2000, H. Peter Anvin wrote:
[SNIPPED]
>
> Can you do this under plain DOS (no CONFIG.SYS, no AUTOEXEC.BAT):
>
> debug
> a
> mov ax,e801
> int 15
> int 3
>
> g=100
> q
>
> ... and let us know what the output is?
>
> As for how the interrupt works, Ralf Brown's Interrupt List is the bible...
>
> -hpa
> --
-a 100
1512:0100 mov ax,e801
1512:0103 int 15
1512:0105 int 3
1512:0106
-g=100
AX=0280 BX=03EF CX=0000 DX=0000 SP=FFEE BP=0000 SI=0000 DI=0000
DS=1512 ES=1512 SS=1512 CS=1512 IP=0105 NV UP EI PL ZR NA PE NC
1512:0105 CC INT 3
-r
AX=0280 BX=03EF CX=0000 DX=0000 SP=FFEE BP=0000 SI=0000 DI=0000
DS=1512 ES=1512 SS=1512 CS=1512 IP=0105 NV UP EI PL ZR NA PE NC
1512:0105 CC INT 3
-q
This doesn't seem to meet the just-quoted spec:
AX=0280 BX=03EF CX=0000 DX=0000 SP=FFEE BP=0000 SI=0000 DI=0000
| |_______ High RAM in 64k blocks
|________________ Low RAM in 1k blocks.
CX and DX are zero. Maybe this means there is no 16M boundary, no
hole?
Cheers,
Dick Johnson
Penguin : Linux version 2.3.41 on an i686 machine (800.63 BogoMips).
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