微機原理與通信接口課程設計說明書(編輯修改稿)
2025-02-12 08:13 本頁面
【文章內容簡介】 INT 21HDATE PROC NEAR 。顯示日期子程序DISPLAY: MOV AH,2AH 。取日期 INT 21H MOV SI,0 MOV AX,CX MOV BX,100 DIV BL MOV BL,AH CALL BCDASC1 。日期數值轉換成相應的ASCII碼字符 MOV AL,BL CALL BCDASC1 INC SI MOV AL,DH CALL BCDASC1 INC SI MOV AL,DL CALL BCDASC1 MOV BP,OFFSET DATE_STYLE MOV DX,0C0DH MOV CX,18 MOV BX,0007H MOV AX,1301H INT 10H MOV AH,02H 。設置光標位置 MOV DX,0300H MOV BH,0 INT 10H MOV BX,0018H REP: DEC BX JNZ REP MOV AH,01H 。讀鍵盤緩沖區(qū)字符到AL寄存器 INT 16H JE DISPLAY JMP START MOV AX,4C00H INT 21H RETDATE ENDPTIME PROC NEAR 。顯示時間子程序DISPLAY1: MOV SI,0 MOV BX,100 DIV BL MOV AH,2CH 。取時間 INT 21H MOV AL,CH CALL BCDASC 。將時間數值轉換成ASCII碼字符 INC SI MOV AL,CL CALL BCDASC INC SI MOV AL,DH CALL BCDASC MOV B
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鄂ICP備17016276號-1