Assembly Languag Programming of Intel Processor 8086

Transforming the Computer form text Mode to Graphics.
Mov ah,0; //set Video Mode
Move al,6;  //640X200 color graphics Mode
int 10H;   // Call Interrupt 10H in Rom
Mov ah,1;// get a key Stoke
int 21H
Mov ah,0 ; again set vidio mode
Mov al,3; set to Color Text Mode
int 10H;