單片機(jī)課程設(shè)計(jì)---出租車計(jì)費(fèi)系統(tǒng)-在線瀏覽
2025-03-05 11:07本頁面
【正文】 L4 RET SEG: 。0,1,2,3,4 。5,6,7,8,9 DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H DB 80H,90H D6MS: MOV R7,3 DL: MOV R6,10 DJNZ R6,$ DJNZ R7,DL RET END ORG 0000HAJMP STARTORG 001BHSJMP T1INTORG 0030HSHIQIAN EQU 20HQIANMI EQU 21HBAIMI EQU 22HSHIYUAN EQU 24HYUAN EQU 25HJIAO EQU 26HSTART: CLR MOV R3,02H MOV SHIQIAN,00H MOV QIANMI ,00H MOV BAIMI,00H MOV SHIYUAN,00H MOV YUAN,03H MOV JIAO,00H MOV TMOD, 60H MOV TH1,9CH MOV TL1,9CH SETB TR1 SETB ET1 SETB EAMAIN: LCALL DISPM LCALL DISPL SJMP MAINT1INT: LCALL LONG MOV A,QIANMI CLR C SUBB A,02H JNC T1 RETIT1: DJNZ R3,T2 MOV R3,01H MOV A,BAIMI CJNE A,05H,NEXT LCALL MONEY RETINEXT: CJNE A,00H,T2 LCALL MONEYT2: RETIDISPL: MOV R0, 20H MOV A,R0 MOV DPTR,SEGTAB MOVC A,A+DPTR MOV P2,09H MOV P0, A LCALL DELAY INC R0 MOV A,R0 MOVC A,A+DPTR ADD A,80H MOV P2,0AH MOV P0,A LCALL DELAY INC R0 MOV A,R0 MOVC A,A+DPTR M
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