a3-1.asm

汇编语言的设计

STACK SEGMENT STACK
	DW 64 DUP(?)
STACK ENDS

DATA SEGMENT
XL	DW ?
XH	DW ?
YL	DW ?
YH	DW ?
ZL	DW ?
ZH      DW ?
DATA	ENDS

CODE SEGMENT
	ASSUME CS:CODE,DS:DATA

START:  MOV AX,DATA
        MOV DS,AX
	MOV AX,XL
	ADD AX,YL
	MOV ZL,AX
	MOV AX,XH
	ADC AX,YH
	MOV ZH,AX
A1:	JMP A1
CODE ENDS
     END START