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直流電機(jī)換向火花的畢業(yè)設(shè)計(jì)-資料下載頁

2025-06-29 03:52本頁面
  

【正文】 A MOV R3,A MOV A,14H RRC A MOV R4,A CLR C MOV A,51H, ADDC A,R4 MOV 51H,A MOV A,50H ADDC A,R3 MOV 50H,A DJNZ 37H,ADCO_ISR_END CALL AVERAGE MOV 43H,50H MOV 44H51H CALL KEY CALL V_TRANS MOV A,43H SUBB A,10H JNC GE10 MOV A,43H JMP J1 GE10: MOV A,43H SUBB A,6 J1: SUBB A,36H JC NORMAL SUBB A,3H JC DANGER ;進(jìn)位位為1則轉(zhuǎn)移 SETB SETB SETB CALL DLYIS CALL DLYIS CLR CLR CLR JMP DISP NORMAL : ;綠燈閃爍(正常) SETB CALL DLYIS CALL DLYIS CLR JMP DISPDANGER: ;黃燈閃爍(允許) SETB CALL DLYIS CALL DLYIS CLR DISP: CALL Disp4bitININT: MOV 37H,80H MOV A,00H MOV 50H,A MOV 51H,A MOV 43H,A MOV 44H,A MOV 10H,P0 ADCO_ISR_END: POP ACC POP PSW SETB EA RETIRETWRDD:SETB ;/CS=1 CALLDLY5 NOP CLR ;/CS=0 CALLDLY5 CLR ;/WR=0 CALL DLY5 SETB ;D=1(101) CALL DLY5 SETB ;/WR=1 CALL DLY5 CLR ;/WR=0 CALL DLY5 CLR ;D=0 CALL DLY5 SETB ;/WR=1 CALL DLY5 CLR ;/WR=0 CALL DLY5 SETB ;D=0 CALL DLY5 SETB ;/WR=1 CALL DLY5 MOV R4,6 ;R4循環(huán)次數(shù),先寫地址 MOV 22H,21H ;數(shù)據(jù)在21H中 ADDWR2:NOPCALL DLY5CLR ;/WR=0CALL DLY5 MOV A,21HRLC A ;左移一位MOV 21H,AJC WR11 ;CF=1CLR ;DATA=0,否則寫0CALL DLY5 JMP WRR1WR11: NOP CALL DLY5 SETB ;DATA=1 CALL DLY5WRR1: NOP CALL DLY5 SETB ;/WR=1 CALL DLY5 DJNZ R4,ADDWR2 RET WRDA2: MOV R5,8 ;LOOP=DATA 8 BIT,寫8位數(shù)據(jù) ADDWR23:NOP CALL DLY5 CLR ;/WR=0 CALL DLY5 MOV A,25H ;取數(shù)據(jù) RRC A ;右移取低位 MOV 25H,A JC WR212CLR ;DATA=0CALL DLY5 JMP WR22WR212:NOP CALL DLY5 SETB ;DATA=1 CALL DLY5 WR22: CALL DLY5 SETB ;/WR=1 CALL DLY5 DJNZ R5,ADDWR23 RET DLY5: NOP NOP RET Disp4bit: MOV A,44H MOV DPTP,LCDTABLE ANL A,0FH MOVC A,@A+DPTR MOV 25H,A MOV 5BH,25H MOV 21H,01110100B CALL DISP1b MOV A,44H RR A RR A RR A RR A ANL A,0FH MOVC A,@A+DPTR MOV 25H,A MOV 5AH,25H MOV 21H,0101100B CALL DISP1b MOV A,43H NAL A,0FH MOVC A,@A+DPTR MOV 25H,A MOV 59H,25H MOV 21H,01100000B CALL DISP1b MOV A,43H RR A RR A RR A RR A ANL A,0FH MOVC A,@A+DPTR ORL A,80H ;decimal point MOV 25H,A MOV 58H,25H MOV 21H,01011000B ;左邊第一位 CALL DISP1b RET DISP1b:NOP CALL WRDD CALL WRDA2 SETB CALL DLY5 NOP CALL DLY5 RET LCDTABLE:DB 07DH,60H,03EH,7AH,63H,5BH,5FH,70H,7FH,73H;09帶小數(shù)點(diǎn)的要將此查表值與08H相或得到 LCDADDR:DB 01011000B,01100000B,01101100B,01110100B RET HB2: CLRA ;B C D碼初始化 MOV R3,A MOV R4,A MOV R5,A MOV R2,10H ;轉(zhuǎn)換雙字節(jié)十六進(jìn)制整數(shù) HB3: MOV A,R7 ;從高端移出待轉(zhuǎn)換數(shù)的一位到CY RLC A MOV R7,A MOV A,R6 PLC A MOV R6,A MOV A,R5 ;B C D碼帶進(jìn)位自身相加,乘2 ADDC A,R5 DA A ;十進(jìn)制調(diào)整 MOV R5,A MOV A,R4 ADDC A,R4 DA A MOV R4,A MOV A,R3 ADDC A,R3 MOV R3,A ;雙字節(jié)十六進(jìn)制數(shù)的萬位數(shù)不超過6,不用調(diào)整 DJNZ R2,HB3 ;處理完16字節(jié) RETMULD:MOV A,R3 ;計(jì)算R3乘R7 MOV B,R7 MUL AB MOV R4,B ;暫存部分積 MOV R5,A MOV A,R3 ;計(jì)算R3乘R6 MOV B,R6 MUL AB ADD A,R4 ;累加部分積 MOV R4,A CLR A ADDC A,B MOV R3,A MOV A,R2 ;計(jì)算R2乘R7 MOV B,R7 MUL AB ADD A,R4 ;累加部分積 MOV R4,A MOV A,R3 ADDC A,B MOV R3,A RLC A XCH A,R2 ;計(jì)算R2乘R6 MOV B,R6 MUL AB ADD A,R3 ;累加部分積 MOV R3,A MOV A,R2 ADDC A,B MOV R2,A RET V_TRANS:
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