Subj : Anybody home???
To   : Mike Powell
From : Jasen Betts
Date : Mon Jul 21 2003 08:47 pm

Hi Mike.

 MP> Hello???

Hello... do any asm lately?

my last assembler prog:


lores.asm
;   NASM source
;   activate 40x12 character text mode on VGA.
;  some sotfware supoports this video mode, try using list or ted

org 100h

 xor ax,ax        ; set 40 column mode
 mov ds,ax
 mov dl,[0x449]
 cmp dl,7
 jz mono
 cmp dl,0
 jz mono
 cmp dl,2
 jz mono
 inc ax
mono:
; or al,0x80
 int 10h
                  ; set doublescan
mov dx, [0x463]
mov al,9
out dx,al
inc dx
in al,dx
or al,0x80
out dx,al
mov al, [0x484]
dec al
dec al
shr al,1

mov [0x484],al

  mov al,[0X489]
  and  al,0x6f
  or   al, 0x80  ; scanlines = 200
  mov [0X489],al
done:
int 20h

 -=> Bye <=-

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 * Origin: Entropy isn't what it used to be. (3:640/1042)

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