【正文】 MOV 30H, 0 MOV 31H, 6 MOV 7EH, 30H MOV 7FH, 31H LCALL DELAY1S MOV 30H, 9 MOV 31H, 5 MOV 7EH, 30H MOV 7FH, 31H LCALL DELAY1SYANG: DEC 30H MOV 7CH, 16 MOV 7DH, 16 MOV 7EH, 30H MOV 7FH, 31H MOV R0, 100 LOOP2: LCALL DIR LCALL KEY MOV R1, 20H CJNE R1, 01H, YXW LJMP JIACHEDAO YXW: CJNE R1, 02H, YXW1 LJMP YICHEDAOYXW1: CJNE R1, 04H, YXW2 LJMP JINCHEDAOYXW2: CJNE R1, 08H, YXW3 LJMP LOOPYXW3: LCALL DELAY1MS DJNZ R0, LOOP2 CJNE R1, 02H, YXW4 LJMP YICHEDAO YXW4: MOV A, 30H CJNE A, 00H, YANG DEC 30H MOV 7CH, 16 MOV 7DH, 16 MOV 30H, 9 MOV 7EH, 30H MOV 7FH, 31H LCALL DELAY1S MOV A, 31H CJNE A, 00H, YANG YANG1: MOV 7CH, 16 MOV 7DH, 16 MOV 7FH, 31H MOV 30H, 9 MOV 7EH, 30H LCALL DELAY1SDDC: DEC 30H MOV 7CH, 16 MOV 7DH, 16 MOV 7FH, 31H MOV 7EH, 30H MOV R0, 100LOOP3: LCALL DIR LCALL KEY MOV R1, 20H CJNE R1, 01H, YXW5 LJMP JIACHEDAOYXW5: CJNE R1, 02H, YXW6 LJMP YICHEDAOYXW6: CJNE R1, 04H, YXW31 LJMP JINCHEDAOYXW31: CJNE R1, 08H, YXW7 LJMP LOOP YXW7: LCALL DELAY1MS DJNZ R0, LOOP3 MOV R1, 30H CJNE R1, 00H, DDC MOV P3, 0FFH/***************甲車道黃燈亮5s，乙車道紅燈亮5s**********************/HD1: CLR CLR MOV 7CH, 16 MOV 7DH, 16 MOV 7FH, 16 MOV 30H, 5 MOV 7EH, 30H LCALL DELAY1S SETB DEC 30H MOV 7CH, 16 MOV 7DH, 16 MOV 7FH, 16 MOV 7EH, 30H MOV R0, 100LOOP4: LCALL DIR LCALL KEY MOV R1, 20H CJNE R1, 01H, YXW8 LJMP JIACHEDAOYXW8: CJNE R1, 02H, YXW9 LJMP YICHEDAOYXW9: CJNE R1, 04H, YXW10 LJMP JINCHEDAOYXW10: LCALL DELAY1MS DJNZ R0, LOOP4 YANG2: CLR CLR MOV 7CH, 16 MOV 7DH, 16 MOV 7FH, 16 MOV 30H, 3 MOV 7EH, 30H LCALL DELAY1S SETB DEC 30H MOV 7CH, 16 MOV 7DH, 16 MOV 7FH, 16 MOV 7EH, 30H MOV R0, 100 LOOP5: LCALL DIR LCALL KEY MOV R1, 20H CJNE R1, 01H, YXW11 LJMP JIACHEDAO YXW11: CJNE R1, 02H, YXW12 LJMP YICHEDAO YXW12: CJNE R1, 04H, YXW13 LJMP JINCHEDAO YXW13: LCALL DELAY1MS DJNZ R0, LOOP5 YANG3: CLR CLR MOV