簡(jiǎn)易電動(dòng)車(chē)程序(存儲(chǔ)版)
【正文】 LL WRCOM MOV 20H,00000001B 。/CS=1 NOP CALL DLY5 CLR 。/WR=0 CALL DLY5 NOP CLR 。WRITE DATA SUB.*********************************************WRDD: SETB 。/WR=1 CALL DLY5 CLR 。DATA=1 CALL DLY5WRR2: NOP CALL DLY5 SETB CALL DLY5 DJNZ R5,ADDWR3 RETDLY5: NOP NOP NOP NOP RETDLY25M: MOV R1,250 。/WR=1 CALL DLY5 CLR 。D=0 CALL DLY5 SETB 。（５） 標(biāo)號(hào)： ＭＵＬＤ 功能：雙字節(jié)二進(jìn)制無(wú)符號(hào)數(shù)乘法。計(jì)算R3乘R6MOV B,R6MUL ABADD A,R4 。入口條件：被除數(shù)在RRRR5中，除數(shù)在RR7中。部分商和余數(shù)同時(shí)左移一位MOV A,R5RLC AMOV R5,AMOV A,R4RLC AMOV R4,AMOV A,R3RLC AMOV R3,AXCH A,R2RLC AXCH A,R2MOV F0,C 。設(shè)立成功標(biāo)志RET。ＢＣＤ碼初始化MOV R3,AMOV R4,AMOV R5,AMOV R2,10H 。24c02存儲(chǔ)器的使用。**********寫(xiě)入多個(gè)字節(jié)WRNBYT: PUSH PSW MOV PSW,18H LCALL STA MOV A,0A0H 。********** 。MRDRDN1: LCALL RDBYT MOV R1,A DJNZ 2FH,ACK LCALL MNACK LCALL STOP MOV 2FH,08H POP PSW RETACK: LCALL MACK INC R1 SJMP RDN1。**********寫(xiě)入一個(gè)字節(jié)WRBYT: MOV R0,08HWLP: RLC A JC WR1A AJMP WR0WLP1: DJNZ R0,WLP RETWR1A: SETB SETB NOP NOP CLR CLR AJMP WLP1WR0: CLR SETB NOP NOP CLR AJMP WLP1。處理完１６ｂｉｔRET。計(jì)算完十六位商（R4R5）MOV A,R4 。溢出RETDVD1: MOV B,10H 。=====================================。計(jì)算R3乘R7MOV B,R7MUL ABMOV R4,B 。6. 7. 8. 9. ...。/WR=1 CALL DLY5 MOV R2,6LOOP: CLR 。/WR=0 CALL DLY5 SETB 。LOOP=DATA 4 BITADDWR3: NOP CALL DLY5 CLR CALL DLY5 MOV A,25H RRC A MOV 25H,A JC WR12 CLR 。/WR=0 CALL DLY5 CLR 。************************************************************。D=0 CALL DLY5 NOP SETB 。**** LCD DRIVER MODE SUB. **************。=====================================START: ORL P1,1CH SETB CALL DLY500 MOV 0H,00100100B 。程序:IBTD2: NOP MOV 37H,TH1 MOV 38H,TL1 CLR A MOV 3DH,A MOV 3EH,A MOV 3FH,A 。================ MOV R0,31H INC R0 MOV A,10 XRL A,R0 JNZ OUT MOV R0,A SETB MOV R2,01LFT: INC R0 INC R0 MOV A,10。啟動(dòng) JNB ,$ ACALL DELAY setb tr0 。右轉(zhuǎn) SETB SETB MOV 5AH,30H DJNZ 5AH,$ CLR NOP NOP NOP NOP NOP NOP SETB CLR RETQIAN: CLR 。停 MOV 5BH,0FFHCHU2: JB ,OUTI CLR ACALL CHUAN2 DJNZ 5BH,CHU2 NOPouti: RET。======================MAN: CLR 。定時(shí)器5秒程序ffdd: jnb , $ clr CPL djnz 3fh,FFDD clr SETB clr setb setb EX1 。=============================WAN: SETB 。ACALL DELAY1 。ACALL DELAY 。***********LCM103 LCM101 TEST *************。/CS= /WR= DATA= *************。MOV 31H,41H 。============ CLR SETB ACALL CHUAN1ZHI: MOV A,TL1 。SETB CLR SETB MOV 5DH,02H DJNZ 5DH,$ CLR SETB ACALL MAN 。外部中斷1。停 MOV 5BH,9FHCHU12: JB ,OUTI CPL ACALL CHUAN2 DJNZ 5BH,CHU12
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