a2-3.asm

汇编语言的设计

STACK SEGMENT STACK
	DW 64 DUP(?)
STACK ENDS

CODE SEGMENT
	ASSUME CS:CODE

START:	MOV SI,3500H
	MOV DX,[SI]
	MOV SI,3515H
A1:	DEC SI
	MOV AX,DX
	MOV DX,0000H
	MOV CX,000AH
	DIV CX
	XCHG AX,DX
	ADD AL,30H
	MOV [SI],AL
	CMP DX,0000H
	JNE A1
A2:	CMP SI,3510H
	JZ A3
	DEC SI
	MOV AL,30H
	MOV [SI],AL
        JMP A2
A3:     JMP A3
CODE ENDS
     END START