微機原理與通信接口課程設計說明書-文庫吧資料
2025-01-22 08:13本頁面
【正文】 MOV DX,0C0DH MOV CX,18 MOV BX,007H MOV AX,1301H INT 10H MOV AH,02H MOV DX,0300H MOV BH,0 INT 10H MOV BX,0018HRE: MOV CX,0FFFFHREA: LOOP REA DEC BX JNZ RE MOV AH,01H INT 16H JE DISPLAY1 JMP START MOV AX,4C00H INT 21H RETTIME ENDPBCDASC PROC NEAR 。顯示時間子程序DISPLAY1: MOV SI,0 MOV BX,100 DIV BL MOV AH,2CH 。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 。取日期 INT 21H MOV SI,0 MOV AX,CX MOV BX,100 DIV BL MOV BL,AH CALL BCDASC1 。返回dos狀態(tài) INT 21HDATE PROC NEAR 。Q39。顯示系統(tǒng)時間 B: CMP AL,51H 。T39。顯示系統(tǒng)日期A: CMP AL,54H 。D39。從鍵盤輸入單個字符 INT 21H CMP AL,44H 。設置顯示方式為40*25彩色文本方式 INT 10H MOV AX,DATA MOV DS,AX MOV ES,AX MOV CX,0 MOV AX
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