a16-1.asm

汇编语言的设计

STACK SEGMENT STACK
	DW 64 DUP(?)
STACK ENDS

CODE SEGMENT
	ASSUME CS:CODE

START:	MOV AL,00H
A1:	OUT 00H,AL
	CALL DALLY
	INC AL
	CMP AL,7FH
	JNC START	
	JMP A1
DALLY:	PUSH CX
	PUSH AX
	MOV CX,0001H
A3:	MOV AX,0400H
A4:	DEC AX
	JNZ A4
	LOOP A3
	POP AX
	POP CX
	RET
CODE ENDS
     END START