www.sfmcu www.sf-edu.cn 盛方单片机整理 作者：不详 附录A 程序清单
limiw equ 30h ;厘米位 miao equ 31h ;秒位 fenmi equ 32h ;分米位 fmiao equ 33h ;分秒位 meter equ 34h ;米位 fenzh equ 35h ; point equ 36h ; shimi equ 37h ; shifn equ 38h ;
sudu equ 39h ; jishk equ 3ah ;
zhond equ 3bh zhodu equ 3ch zhon equ 3eh maicho equ 3fh jinweb equ 40h bhcs equ 41h
dpan equ 42h fenchu equ 43h fencun equ 44h pand equ 45h
fenmc equ 51h org 0000h ajmp main org 000bh ajmp st0 org 001bh ajmp st1
分位 小数点位 十米位 十分位 速度控制 记时开始 33
www.sfmcu www.sf-edu.cn 盛方单片机整理 作者：不详 org 0100h main:
mov limiw,#00h mov miao,#00h mov fenmi,#00h mov fmiao,#00h mov meter,#00h mov fenzh,#00h mov point,#0bh mov shimi,#00h mov shifn,#00h mov jishk,#00h mov zhond,#00h mov zhodu,#00h mov zhon,#00h mov maicho,#00h mov jinweb,#03h mov bhcs,#00h mov sp,#6fh mov tmod,#21h mov th0,#3ch mov tl0,#0b0h mov th1,#9ch mov tl1,#9ch setb ea setb et0 setb et1 mov p1,#0aah acall xianshi qidong:
jb p0.0,qidong acall delay jb p0.0,qidong mov sudu,#03h clr p2.6
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www.sfmcu www.sf-edu.cn 盛方单片机整理 作者：不详 clr p2.7 setb tr1 start:
jnb p2.3,start acall delay jnb p2.3,start mov sudu,#07h setb tr0 mov jishk,#01h call delaa call delaa call delaa call delaa call delaa jiance:
mov c,p2.0 mov 22h,c mov c,p2.1 mov 23h,c mov c,p2.2 mov 24h,c mov c,p2.3 mov 25h,c mov c,p2.4 mov 26h,c zhangai:
jb 25h,stop jnb 22h,youzhuan jnb 23h,youzhuan jnb 24h,zuozhuan jnb 26h,zuozhuan ajmp jiance zuozhuan:
clr p0.5 clr p0.4
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www.sfmcu www.sf-edu.cn 盛方单片机整理 作者：不详 mov sudu,#05h acall delaa setb p0.4 setb p0.5 mov sudu,#07h ajmp jiance youzhuan:
clr p0.6 clr p0.7 mov sudu,#05h acall delaa setb p0.7 setb p0.6 mov sudu,#07h ajmp jiance stop:
acall delay jnb 25h,zhangai clr tr0 mov a,fenmi mov fenmc,a mov a,#02h add a,fenmc mov fenmc,a here: cjne a,fenmi,here clr tr1 setb p2.6 acall delaa setb p2.7 ajmp $ st0:
push acc push psw mov th0,#3ch mov tl0,#0b0h
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www.sfmcu www.sf-edu.cn 盛方单片机整理 作者：不详 inc zhond mov a,#0ah cjne a,zhond,out mov zhond,#00h inc zhodu mov a,#02h cjne a,zhodu,miepo mov point,#0bh mov zhodu,#00h inc miao mov a,#0ah cjne a,miao,out mov miao,#00h inc fmiao mov a,#06h cjne a,fmiao,out mov fmiao,#00h inc fenzh mov a,#0ah cjne a,fenzh,out mov fenzh,#00h inc shifn out:
call xianshi outb: pop psw pop acc reti miepo:
mov point,#0ah ajmp out st1:
push acc push psw inc zhon
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