課程設(shè)計報告word版-資料下載頁
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【正文】 符串mess2中的字符 call delay1 ；調(diào)用delay1子程序 mov ah,1 int 16h ；從鍵盤輸入單個字符 cmp al,39。c39。 je Cor cmp al,39。C39。 ；若是C或c則轉(zhuǎn)移到Cor je Cor CMP AL,39。q39。 JZ Quit cmp al,39。Q39。 jz Quit ； 若是Q或q則轉(zhuǎn)移到Quit jmp display Quit: mov ah,4ch int 21h ；跳出DOS界面 ret Cor: call correctASCII PROC NEAR ；二進制轉(zhuǎn)化為ASCII的子程序 PUSH CX MOV AH,0 MOV CX,10D DIV CL ADD AX,3030H MOV [BX],AL INC BX MOV [BX],AH POP CX RETASCII ENDPclear proc near ；清屏子程序 push ax push bx push cx push dx mov ax,0600h mov bx,003eh sub cx,cx mov dx,0000h int 10h pop dx pop cx pop bx pop ax retclear endpdelay1 PROC ；延遲子程序 MOV DX,04ffh LP: XOR CX,CX a: NOP LOOP a DEC DX JNZ LP RETdelay1 ENDPcorrect proc ；重新設(shè)定DOS時間子程序 call input mov ch,hor mov cl,min mov dh,sec and dl,0h mov ah,2dhMOV AL,00H int 21h jmp start retcorrect endpinput proc ；鍵盤輸入設(shè)定DOS時間子程序push ax push bxpush cxpush dxpushfmov dx,offset tips ；輸出提示字符串mov ah,09hint 21hmov dx,offset BUFF ；通過鍵盤往 BUFF 緩沖區(qū)填入字符mov ah,0ahint 21hand dx,0hlea bx,BUFFinc bxinc bxmov dh,[bx]sub dh,30h 。將小時的十位數(shù)字的ASCII值轉(zhuǎn)化成數(shù)字后存入dhinc bxmov dl,[bx]sub dl,30hmov cl,10mov al,dhmul cladd al,dlmov ch,almov hor,al ；將輸入的小時存入horinc bxinc bxmov dh,[bx]sub dh,30h ；將分鐘的十位數(shù)字的ASCII值轉(zhuǎn)化成數(shù)字后存入dhinc bxmov dl,[bx]sub dl,30hmov cl,10mov al,dhmul cladd al,dlmov cl,almov min,al 。將輸入的分鐘存入mininc bxinc bxmov dh,[bx]sub dh,30h ；將秒的十位數(shù)字的ASCII值轉(zhuǎn)化成數(shù)字后存入dhinc bxmov dl,[bx]sub dl,30hmov cl,10mov al,dhmul cladd al,dlmov dh,almov sec,al 。將輸入的秒鐘存入secpopf pop dx pop cxpop bxpop ax retinput endpBELL PROC ；響鈴子程序PUSH AXPUSH DXMOV AL,07HMOV DL,ALMOV AH,02HINT 21HPOP DX POP AXRETBELL ENDPcode ends ；代碼段結(jié)束 end start ；源程序結(jié)束 18
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