; a short program to check how 
; set and get pixel color works 

name "pixel"

org  100h

mov ah, 0   ; set display mode function. 
mov al, 13h ; mode 13h = 320x200 pixels, 256 colors. 
int 10h     ; set it! 

mov cx, 10  ; column 
mov dx, 20  ; row 
mov al, 15  ; white 
mov ah, 0ch ; put pixel 
int 10h

xor al, al  ; al = 0 

mov cx, 10  ; column 
mov dx, 20  ; row 
mov ah, 0dh ; get pixel 
int 10h

; pause the screen for dos compatibility: 

;wait for keypress 
  mov ah,00
  int 16h

; return to text mode: 
  mov ah,00 ; set display mode function. 
  mov al,03 ; normal text mode 3 
  int 10h   ; set it! 


ret