word版可編輯-基于唐都實(shí)驗(yàn)箱的交通燈設(shè)計(jì)匯編精心整理(參考版)
2025-04-15 00:34本頁面
【正文】 重置數(shù)中斷。========================================MIR7: STIMOV BX,4000HMOV SI,[BX] MOV AL,[SI1]CMP AL,00HJZ N0DEC ALMOV [SI1],ALJMP N2N0: MOV AL,[SI]接口技術(shù)——交通燈~ 15 ~TEST AL,0FHJZ N1DEC BYTE PTR [SI]MOV BYTE PTR [SI1],09HJMP N2N1: MOV BX,4001HMOV AL,01HMOV [BX],ALN2: MOV AL,[DI1]CMP AL,00HJZ N3DEC ALMOV [DI1],ALJMP N5N3: MOV AL,[DI]CMP AL,00HJZ N4DEC BYTE PTR [DI]MOV BYTE PTR [DI1],09HJMP N5N4: MOV BX,4001HMOV AL,01HMOV [BX],ALN5: MOV AL,20HOUT 20H,ALIRET。========================================。out dx,almov dx,A8254 mov al,00hout dx,almov al,10hout dx,almov al,77Hmov dx,CON8254out dx,almov dx,B8254mov al,00hout dx,almov al,10hout dx,al。主 8259 OCW1STI。ICW4 MOV AL, 0FDH OUT 0A1H,AL 。ICW2 MOV AL, 02H OUT 0A1H, AL 。初始化從片 8259 MOV AL, 11H OUT 0A0H, AL 。ICW3MOV AL, 01HOUT 21H, AL 。ICW1MOV AL, 08HOUT 21H, AL 。填 IRQ7 的段地址矢量MOV AX, OFFSET SIR1MOV SI, 00C4HMOV [SI], AXMOV AX, CSMOV SI, 00C6HMOV [SI], AXCLIPOP DS接口技術(shù)——交通燈~ 10 ~。填 IRQ7 的偏移矢量MOV AX, CS 。取中斷入口地址MOV SI, 003CH 。保存支路值。========================================STOR1: MOV CX,06H 接口技術(shù)——交通燈~ 9 ~MOV SI,3000HW5: MOV AL,[SI]MOV [SI+16],ALMOV [SI+22],ALINC SILOOP W5RET。========================================。========================================PUTBUF: CMP AL,0DHJNZ W0CALL STOR1JMP W4W0: CMP AL,0EHJNZ W1CALL STOR2JMP W4W1: CMP AL,0FHJNZ W2JMP RUN 。========================================。========================================DIS: PUSH AXMOV SI,3000HMOV DL,0DFHMOV AL,DLAGAIN: PUSH DX MOV DX,MY8255_A OUT DX,AL MOV AL,[SI] MOV BX,OFFSET DTABLEAND AX,00FFHADD BX,AXMOV AL,[BX] MOV DX,MY8255_B OUT DX,ALC
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