s8-3.asm

来自「手把手叫你学单片机」· 汇编 代码 · 共 20 行

	ORG 0000H
	LJMP MAIN
	ORG 030H
MAIN:	MOV R0,#08H
	MOV A,#0FEH
PLAY:   RR A
	MOV P0,A
	ACALL DEL
	DJNZ R0, PLAY
	AJMP MAIN
DEL: 	MOV R7,#0FFH
DEL1:	MOV R6,#0FFH
DEL2:   MOV R5,#01FH
DEL3:	DJNZ R5,DEL3
	DJNZ R6,DEL2
	DJNZ R7,DEL1
	RET
	END