【正文】 33h 分秒位 meter equ 34h 米位 fenzh equ 35h 分位 point equ 36h 小數(shù)點(diǎn)位 shimi equ 37h 十米位 shifn equ 38h 十分位 sudu equ 39h 速度控制 jishk equ 3ah 記時(shí)開(kāi)始 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 0000h ajmp main 000bh ajmp st0 001bh ajmp st1 0100h main mov limiw00h mov miao00h mov fenmi00h mov fmiao00h mov meter00h mov fenzh00h mov point0bh mov shimi00h mov shifn00h mov jishk00h mov zhond00h mov zhodu00h mov zhon00h mov maicho00h mov jinweb03h mov bhcs00h mov sp6fh mov tmod21h mov th03ch mov tl00b0h mov th19ch mov tl19ch setb ea setb et0 setb et1 mov p10aah acall xianshi qidong jb p00qidong acall delay jb p00qidong mov sudu03h clr p26 clr p27 setb tr1 start jnb p23start acall delay jnb p23start mov sudu07h setb tr0 mov jishk01h call delaa call delaa call delaa call delaa call delaa jiance mov cp20 mov 22hc mov cp21 mov 23hc mov cp22 mov 24hc mov cp23 mov 25hc mov cp24 mov 26hc zhangai jb 25hstop jnb 22hyouzhuan jnb 23hyouzhuan jnb 24hzuozhuan jnb 26hzuozhuan ajmp jiance zuozhuan clr p05 clr p04 mov sudu05h acall delaa setb p04 setb p05 mov sudu07h ajmp jiance youzhuan clr p06 clr p07 mov sudu05h acall delaa setb p07 setb p06 mov sudu07h ajmp jiance stop acall delay jnb 25hzhangai clr tr0 mov afenmi mov fenmca mov a02h add afenmc mov fenmca here cjne afenmihere clr tr1 setb p26 acall delaa setb p27 ajmp st0 push acc push psw mov th03ch mov tl00b0h inc zhond mov a0ah cjne azhondout mov zhond00h inc zhodu mov a02h cjne azhodumiepo mov point0bh mov zhodu00h inc miao mov a0ah cjne amiaoout mov miao00h inc fmiao mov a06h cjne afmiaoout mov fmiao00h inc fenzh mov a0ah cjne afenzhout mov fenzh00h inc shifn out call xianshi outb pop psw pop acc reti miepo mov point0ah ajmp out st1 push acc push psw inc zhon mov asudu cjne azhonhig setb p27 ajmp outi hig mov a0ah cjne azhonouti mov zhon00h clr p27 outi mov a01h cjne ajishkoutb jb p25gao mov cp25 mov 21hc orl c20h clr 20h jc youbh ajmp outb gao setb 20h ajmp outb youbh inc maicho mov ajinweb cjne amaichooutb mov maicho00h inc bhcs mov a02h cjne abhcsjici mov jinweb03h gooninc limiw mov a0ah cjne alimiwout mov limiw00h inc fenmi cjne afenmiout mov fenmi00h inc meter cjne ameterout mov meter00h inc shimi ajmp out jici mov jinweb02h ajmp goon xianshi mov p10aah mov p10cch mov alimiw swap a add amiao mov p1a nop nop mov p10ddh mov afenmi swap a add afmiao mov p1a nop nop mov p10eeh mov a0b0h add apoint mov p1a nop nop mov p10eeh mov ameter swap a add afenzh mov p1a nop nop mov p10ffh mov ashimi swap a add ashifn mov p1a ret delay mov 46h0ffh mov 47h0ffh idjnz 47hi1 i1djnz 46hi ret delaa mov 48h0ah iimov 49h0afh ii2mov 50h0ffh ii3djnz 50hii3 djnz 49hii2 djnz 48hii ret 附錄 B 硬件原理圖 II