51单片机做的交通灯 仿真文件如下:
仿真工程文件下载:http://www.51hei.com/bbs/dpj-50777-1.html
交通灯汇编程序:
- ORG 00H
-
- START:
-
- CALL SETB_LED
- CLR P2.0
- CALL DISPLAY_NUMBER
-
- CALL SETB_LED
- CLR P2.2
- CALL DISPLAY_NUMBER
-
- CALL SETB_LED
- MOV P0, #0FFH
- CLR P2.1
- CALL DELAY
- SETB P2.1
- CALL DELAY
- CLR P2.1
- CALL DELAY
- SETB P2.1
- CALL DELAY
- CLR P2.1
- CALL DELAY
- SETB P2.1
- CALL DELAY
-
-
- JMP START
- DELAY: MOV R3, #123
- DV0: MOV R1, #200
- DV1: MOV R2, #20
- DV2: DJNZ R2, DV2
- DJNZ R1, DV1
- DJNZ R3, DV0
- RET
- CLEAR_DISLED:
- SETB P0.0
- SETB P0.1
- SETB P0.2
- SETB P0.3
- SETB P0.4
- SETB P0.5
- SETB P0.6
- RET
- DISPLAY_NUMBER:
- MOV P0, #10H ;数码管显示9
- CALL DELAY
-
- MOV P0, #0H ;数码管显示8
- CALL DELAY
-
- mov P0, #78H ;数码管显示7
- CALL DELAY
- MOV P0, #2H ;数码管显示6
- CALL DELAY
-
- MOV P0, #12H ;数码管显示5
- CALL DELAY
-
- MOV P0, #19H ;数码管显示4
- CALL DELAY
-
- MOV P0, #30H ;数码管显示3
- CALL DELAY
-
- MOV P0, #24H ;数码管显示2
- CALL DELAY
-
- MOV P0, #79H ;数码管显示1
- CALL DELAY
-
- MOV P0, #40H
- CALL DELAY
- RET
-
- SETB_LED:
- SETB P2.0
- SETB P2.1
- SETB P2.2
- RET
- END
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