内含protues仿真图及汇编程序（.txt文件），加载asm文件即可仿真
8086汇编源程序：
- CODE SEGMENT ;
- ASSUME CS:CODE
- IOCON EQU 8006H
- IOA EQU 8000H
- IOB EQU 8002H
- IOC EQU 8004H
- START: MOV AL,80H ;写方式控制字，A口工作在方式0，做输出，B口工作在方式0，做输出，C口作为输出
- MOV DX,IOCON
- OUT DX,AL
- MOV DX,IOB
- MOV AL,0F0H ;4个路口黄灯灯全灭
- OUT DX,AL
- MOV DX,IOC
- MOV AL,0F0H ;4个路口红灯全亮，绿灯全灭
- ;MOV AL,0FH ;4个路口红灯全亮
- OUT DX,AL
- CALL DELAY1
- IOLED0: MOV AL,10100101B;;南北红灯灭，绿灯亮
- ;MOV AL,01011010B;南北绿灯亮，东西红灯亮
- MOV DX,IOC
- OUT DX,AL
- CALL DELAY1
- CALL DELAY1
- OR AL,0F0H ;南北绿灯灭
- ;AND AL,10101111B;南北绿灯灭
- OUT DX,AL
- MOV CX,8
- IOLED1: MOV DX,IOB
- MOV AL,10101111B;南北路口黄灯亮
- ;MOV AL,01010000B;南北路口黄灯亮
- OUT DX,AL
- CALL DELAY2
- OR AL,01010000B;南北路口黄灯灭
- ;AND AL,10101111B;南北路口黄灯灭
- OUT DX,AL
- CALL DELAY2
- LOOP IOLED1
- MOV DX,IOC
- MOV AL,0F0H ;4个路口红灯全亮
- ;MOV AL,0FH ;4个路口红灯全亮
- OUT DX,AL
- CALL DELAY2
- MOV AL,01011010B;;南北红灯亮，东西绿灯亮
- ;MOV AL,10100101B;;南北红灯亮，东西绿灯亮
- OUT DX,AL
- CALL DELAY1
- CALL DELAY1
- OR AL,0F0H;东西绿灯灭
- ;AND AL,01011111B;东西绿灯灭
- OUT DX,AL
- MOV CX,8
- IOLED2: MOV DX,IOB
- AND AL,01011111B;东西黄灯亮
- ;MOV AL,10100000B;东西黄灯亮
- OUT DX,AL
- CALL DELAY2
- OR AL,10100000B;东西黄灯灭
- ;AND AL,01011111B;东西黄灯灭
- OUT DX,AL
- CALL DELAY2
- LOOP IOLED2
- MOV DX,IOC
- MOV AL,0F0H ;4个路口红灯全亮
- ;MOV AL,0FH
- OUT DX,AL
- CALL DELAY2
- JMP IOLED0
- DELAY1: PUSH AX
- PUSH CX
- MOV CX,0030H
- DELY2: CALL DELAY2
- LOOP DELY2
- POP CX
- POP AX
- RET
- DELAY2: PUSH CX
- MOV CX,8000H
- DELA1: LOOP DELA1
- POP CX
- RET
- CODE ENDS
- END START
下载完整资料：
8255-2.rar
(39.06 KB, 下载次数: 509)
|
[复制链接]
