交通信號(hào)燈控制課程設(shè)計(jì)(存儲(chǔ)版)
【正文】 OV AX,2500 MOV DX,COUNT0 OUT DX,AL MOV AL,AH OUT COUNT0 ,AL MOV AX,DATA MOV DS,AX 中斷服務(wù)程序： A1: STI HLT JMP A1 IRQ0: JMP COMPARE COMPARE:CMP DL,0 JZ STATE0 CMP DL,1 JZ STATE1 CMP DL,2 JZ STATE2 CMP DL,3 JZ STATE3 STATE0: ；狀態(tài) 0：東西紅南北綠 mov al,00000101b out D2,al DEC SI JNZ CHANGE1 DEC DH MOV SI,100 CHANGE1:DEC CX CMP CX,0 JNZ M0 MOV CX,500 STATE1: DEC DI ；狀態(tài) 1：東西方向黃燈閃爍，南北綠燈 CMP DI,0 JNZ SHINE1 MOV AL, 00000101b ；東西滅，南北綠 OUT D2,AL MOV DI,50 JMP CHANGE SHINE1: MOV AL,00000010B ；東西黃，南北綠 OUT D2,AL CHANGE: DEC SI JNZ CHANGE2 DEC DI MOV SI,100 CHANGE2:DEC CX CMP CX,0 JNZ M1 MOV CX,2021 MOV DH,25 STATE2: MOV AL,00000101b ；狀態(tài) 2：東西綠燈，南北紅燈 OUT D2,AL DEC SI JNZ CHANGE3 DEC DH MOV SI,100 CHANGE3:DEC CX CMP CX,0 JNZ M2 MOV CX,500 STATE3: DEC DI ；狀態(tài) 3：東西綠燈，南北黃燈閃爍 CMP DI,0 JNZ SHINE2 MOV AL,000000101B ；東西綠燈，南北滅 OUT D2,AL MOV DI,50 JMP SOURCE SHINE2: MOV AL, 00000010B ；東西綠，南北黃 OUT D2,AL SOURCE: DEC SI JNZ CHANGE4 DEC DH MOV SI,100 CHANGE4:DEC CX CMP CX,0 JNZ M3 MOV CX,6000 MOV DH,65 M0: MOV DL,0 ；下次進(jìn)入狀態(tài) 0 JMP EXIT M1: MOV DL,1 ；下次進(jìn)入狀態(tài) 1
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鄂ICP備17016276號(hào)-1