danliushuideng.asm

这是我最近一段时间编的一些弹片机的小程序,上面有大量的注释,一般都会看懂

;12M晶振，p1口接d0到d7，低电瓶有效。
org  0000h
ljmp	start
org	000bh
ljmp	toint1
org  0100h
start: ;第一个
numberzhuo1: mov	r3,#3
numberzhuo11: mov	r4,#8
numberzhuo111: mov	a,#0feh	
mov	p1,a	
lcall	delay1s	
rl	a	
djnz	r4,numberzhuo111	
djnz	r3,numberzhuo11	
numberyou1: mov	     r3,#3
numberyou11: mov	r4,#8
numberyou111: mov	a,#07fh	
mov	p1,a	
lcall	delay1s	
rr	a	
djnz	r4,numberyou111	
djnz	r3,numberyou11;第二个
numberzhuo2: mov	r3,#3
numberzhuo21: mov	r4,#8
numberzhuo211: mov	a,#0feh	
mov	p1,a	
lcall	delay1s	
clr    c	
rlc	a	
djnz	r4,numberzhuo211	
djnz	r3,numberzhuo21
numberyou2: mov	     r3,#3
numberyou21: mov	r4,#8
numberyou211: mov	a,#07fh	
              mov	p1,a	
              lcall	delay1s	
              clr    c	
              rrc	a	
              djnz	r4,numberyou211	
              djnz	r3,numberyou21;第三个 
numberzhuo3: mov	r3,#4
numberzhuo31: mov	r4,#8
numberzhuo311: mov	a,#0feh	
               mov	p1,a	
               lcall	delay1s	
               clr     c	
               rlc	a	
               djnz	r4,numberzhuo311	
               djnz	r3,numberzhuo31
numberzhu3: mov	r3,#4
numberzhu31: mov	r4,#8
numberzhu311: mov	a,#00h	
              mov	p1,a	
              lcall	delay1s	
              setb    c	
              rlc	a	
              djnz	r4,numberzhu311	
              djnz	r3,numberzhu31
numberyou3: mov	     r3,#4
numberyou31: mov	r4,#8
numberyou311: mov	a,#07fh	
              mov	p1,a	
              lcall	delay1s	
              clr    c	
              rrc	a	
             djnz	r4,numberyou311	
             djnz	r3,numberyou31
numberyo3: mov	     r3,#4
numberyo31: mov	r4,#8
numberyo311: mov	a,#00h	
             mov	p1,a	
             lcall	delay1s	
             setb    c	
             rrc	a	
             djnz	r4,numberyo311	
             djnz	r3,numberyo31
delay1s: clr	tr0	
         mov	tmod,#01h	
         mov	r5,#25
toint: mov	th0,#56	
       mov	tl0,#56	
       mov	ie,#0bfh	
       setb	tr0	
       sjmp	$
toint1:	djnz	r5,toint	
        reti
end