4a3 jmp start string: db 'COLOR' len equ $-string col_nmb db 0 green db 0 red db 0 blue db 0 start: mov ah,00H mov al,05fH ;640x480, 256 colors int 10H mov ah,05H mov al,00H int 010H push bp mov ah,06H mov al,00H mov bh,00H mov ch,0 mov cl,0 mov dh,29 mov dl,79 int 10H pop bp mov bl,00H mov dl,0 mov dh,0 mov cx,15 loop1: push cx push dx mov dh,0 mov cx,30 loop2: push cx push dx mov ah,13H mov al,01H mov bh,0 mov bp,string mov cx,len int 10H pop dx inc dh inc bl pop cx loop loop2 pop dx add dl,5 pop cx loop loop1 mov ah,00H int 16H mov ah,00H mov al,03H int 10H mov ax,04c00 int 21H . 0