; This program makes screen 320*200 CGA

ROM SEGMENT AT 40H
        ORG 10H
        E_FLAG DW ?
ROM ENDS

CODE_HERE SEGMENT
        ASSUME CS:CODE_HERE, DS:ROM
        ORG 100H
START:  MOV AX,ROM
        MOV DS,AX
        MOV AX,E_FLAG
        AND AX,11001111B
        OR  AX,00100000B
        MOV E_FLAG,AX
        MOV AL,4
        MOV AH,0
        INT 10H
EXIT:   MOV AX,4C00H
        INT 21H
CODE_HERE ENDS
        END