a12-2.asm

汇编语言的设计

STACK SEGMENT STACK
	DW 64 DUP(?)
STACK ENDS

CODE SEGMENT
	ASSUME CS:CODE

START:	MOV AL,90H
	OUT 63H,AL
	OUT 0DH,AL
	MOV AL,60H
	OUT 00H,AL
	MOV AL,00H
	OUT 00H,AL
	MOV AL,54H
	OUT 0BH,AL
	MOV AL,00H
	OUT 08H,AL
	OUT 0FH,AL
	MOV AL,04H
	OUT 09H,AL
A1:	JMP A1
ORG     1000H
	MOV AL,90H
	OUT 63H,AL
	OUT 0DH,AL
	MOV AL,61H
	OUT 02H,AL
	MOV AL,00H
	OUT 02H,AL
	MOV AL,59H
	OUT 0BH,AL
	MOV AL,00H
	OUT 08H,AL
	OUT 0FH,AL
	MOV AL,05H
	OUT 09H,AL
A2:	JMP A2
CODE ENDS
     END START