ch6ex3.asm

汇编语言-王爽 源代码 加 卜艳萍版源代码

			dat	SEGMENT
				    source_buffer	DB 48H
			dat	ENDS
			extra	SEGMENT
				    dest_buffer	DB 40 DUP(?)
			extra	ENDS
			code	SEGMENT
				    ASSUME	CS:code, DS:dat, ES:extra
		start:
					MOV		AX, dat
					MOV		DS, AX
					MOV		AX, extra			;CS不用赋值
					MOV		ES, AX

					MOV		BX, 0FFFFH   ;3E8H
				LP2:	MOV		CX, 2710H    ;176H
				LP1:	PUSHF
					POPF
					LOOP		LP1
					DEC		BX
					JNZ		LP2

				EE:	MOV		AX, 4C00H
					INT		21H

				code	ENDS
					END start