s10-1.asm

51单片机程序教程

	ORG 0000H
	LJMP MAIN
	ORG 030H
MAIN:	MOV C,P1.0
	MOV P2.0,C
	ACALL DEL
	AJMP MAIN
DEL: 	MOV R7,#0FFH
DEL1:	MOV R6,#0FFH
DEL2:	DJNZ R6,DEL2
	DJNZ R7,DEL1
	RET
	END