a5-2.asm

汇编语言的设计

STACK SEGMENT STACK
	DW 64 DUP(?)
STACK ENDS

CODE SEGMENT
	ASSUME CS:CODE

START:	MOV DI,3000H
	MOV CL,[DI]
	XOR CH,CH
	MOV BL,CH
	INC DI
A1:	MOV AL,[DI]
	TEST AL,80H
	JE A2
	INC BL
A2:	INC DI
	LOOP A1
	MOV [DI],BL
	MOV AH,4CH
                INT 21H
CODE ENDS
     END START