sz.s

一个本人编写的时钟程序

	    led1   bit  p1.3
	    led2   bit  p1.4
		led3   bit  p1.6
		led4   bit  p1.7

		 LS164_ab   bit  p3.0
		 LS164_clk   bit  p3.1

		key1   bit  p3.5
		key2   bit  p3.7
		beep	bit	p1.0
		
		org  	    0000h
		jmp		main

		org		 	0100h

main:
		clr		beep
loop:
    	jmp    loop 
;clear:	
		end