電子時鐘課程設(shè)計-其他專業(yè)-文庫吧資料
2025-01-27 03:13本頁面
【正文】 AL MOV DX,D82531 MOV AX,100 OUT DX,AL MOV AL,AH OUT DX,AL MOV DX,C8279 MOV AL,00H OUT DX,AL MOV AL,34H OUT DX,AL MOV AL,0D2H OUT DX,AL MOV STAT,0 MOV DX,C82591 MOV AL,0FEH OUT DX,AL WAIT1: MOV DX,C8279 IN AL,DX MOV AH,AL AND AL,80H JNE WAIT1 MOV AL,AH AND AL,0FH CMP AL,00H JE WAIT1 MOV AL,40H OUT DX,AL CHK: MOV DX,D8279 IN AL,DX CMP AL,33H JNE BBB MOV DX,C82591 MOV AL,0FFH OUT DX,AL MOV AL,STAT INC AL MOV STAT,AL CMP AL,1 JNZ AA1 MOV SI,OFFSET DISPBUF MOV CX,4 MOV AL,00 BB0: MOV [SI],AL INC SI LOOP BB0 CALL DISP JMP CHK AA1: CMP AL,2 JNZ AA2 MOV SI,OFFSET DISPBUF MOV AL,00 MOV [SI],AL INC SI MOV [SI],AL ADD SI,2 MOV [SI],AL INC SI MOV [SI],AL CALL DISP JMP CHK AA2: CMP AL,3 JNZ AA3 MOV SI,OFFSET DISPBUF+2 MOV CX,4 MOV AL,00 BB1: MOV [SI],AL INC SI LOOP BB1 CALL DISP JMP CHK AA3: MOV STAT,00 MOV AL,0FEH MOV DX,C82591 OUT DX,AL CALL FULLSFM CALL DISP JMP CHK BBB: CMP AL,3BH JE BBB0
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鄂ICP備17016276號-1