簡(jiǎn)易電動(dòng)車程序(編輯修改稿)
2025-08-03 16:23 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 JNZ OUT MOV @R0,A MOV 33H,09 MOV IE,00H MOV P2,00H CLR TR0 UUUU: ACALL KEY1 AJMP UUUU OUT: POP ACC RETI。=================================LUCHENG:MOV R2,TH1 。路程轉(zhuǎn)化 MOV R3,TL1 MOV R6,00H MOV R7,30 ACALL MULD MOV R6,00 MOV R7,2 ACALL DIVD MOV A,R2 MOV R6,A MOV A,R3 MOV R7,A ACALL HB2 MOV 37H,R5 ANL 37H,0FH MOV A,R5 ANL A,0F0H SWAP A MOV 38H,A MOV A,R4 ANL A,0FH ADD A,11 MOV 39H,A MOV A,R4 ANL A,0F0H SWAP A MOV 3AH,A ACALL AAA ORL P1,1CH RET。=================================QL: MOV 20H,0 MOV R2,0fh MOV R1,30H CLR ALQ: MOV @R1,A INC R1 DJNZ R2,LQ RETQL2: MOV R2,0AH MOV R1,35H MOV A,0AHLQ1: MOV @R1,A INC R1 DJNZ R2,LQ1 RET。 (37H38H)中16位二進(jìn)制整數(shù)轉(zhuǎn)換為壓縮BCD碼十進(jìn)。 制整數(shù)送(3DH,3EH,3FH)。程序:IBTD2: NOP MOV 37H,TH1 MOV 38H,TL1 CLR A MOV 3DH,A MOV 3EH,A MOV 3FH,A 。MOV TH1,A 。MOV TL1,A MOV R7,16LOOP2: CLR C MOV A,38H RLC A MOV 38H,A MOV A,37H RLC A 。(C)為Bi MOV 37H,A。(34H35H36H)+(34H35H36H)+C。=(34H35H36H)*2+C (十進(jìn)制加) MOV A,3FH ADDC A,3FH DA A MOV 3FH,A MOV A,3EH ADDC A,3EH DA A MOV 3EH,A MOV A,3DH ADDC A,3DH DA A MOV 3DH,A DJNZ R7,LOOP2 NOP RET。=====================================。液晶顯示子程序。=====================================START: ORL P1,1CH SETB CALL DLY500 MOV 0H,00100100B 。INITIALIZE CALL WRCOM MOV 20H,00010100B 。32768HZ CALL WRCOM MOV 20H,00000001B 。SYS EN CALL WRCOM MOV 20H,00000011B 。LCD ON CALL WRCOMaaa: CALL WR123 ORL P1,1CH ret。==========================。===========================。=======================。**** LCD DRIVER MODE SUB. **************。WRITE COMMAND SUB. ***********WRCOM: SETB 。/CS=1 NOP CALL DLY5 CLR 。/CS=0 CALL DLY5 CLR 。/WR=0 CALL DLY5 NOP SETB 。D=1 (100) CALL DLY5 NOP SETB 。/WR=1 CALL DLY5 NOP CLR 。/WR=0 CALL DLY5 NOP CLR 。D=0 CALL DLY5 NOP SETB 。/WR=1 CALL DLY5 NOP CLR 。/WR=0 CALL DLY5 NOP CLR 。D=0 CALL DLY5 NOP SETB 。/WR=1 CALL DLY5 NOP MOV R7,9 。LOOP=DATA 8 BIT +1X CLR CLOOPWR: NOP CALL DLY5 CLR CALL DLY5 MOV A,20H RLC A MOV 20H,A JC WR1 CLR 。DATA=0 CALL DLY5 JMP WRRWR1: SETB 。DATA=1 CALL DLY5WRR: SETB CALL DLY5 DJNZ R7,LOOPWR RET。************************************************************。LOOP WRDA SUBWALP:ST1: MOV 21H,23H MOV A,21H ADD A,00000100B MOV 21H,A MOV 23H,A inc r6 CALL WRDD MOV 25H,27H CALL WRDA cjne R6,29,st1 RET。WRITE DATA SUB.*********************************************WRDD: SETB 。/CS=1 CALL DLY5 NOP CLR 。/CS=0 CALL DLY5 CLR 。/WR=0 CALL DLY5 SETB 。D=1 (101) CALL DLY5
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