ibm-pc匯編語言程序設(shè)計(jì)第二版部分習(xí)題答案(第5章)-wenkub
2023-04-22 05:54:26 本頁面
【正文】 個數(shù)組中的數(shù)據(jù)個數(shù)顯示出來。 jmp inputexit : loop lop int 21H mov ah,2H mov dl,07H and cx,0FFHlop: mov cx,ax sub al,30H jge input cmp al,3AH jle input cmp al,30H exitmodel small.codemain proc farstart:.stack 100H.codemain proc farStart:YX.model small.dataSTRING1 DB 39。mov dl,clmov cl,[X+4]add si,2and al,0FHmovand ax,00Hjmp inputexit :輸出換行回車mov dl,almov ah,02Hint 21H inputprint: input exitint 21Hcmpe:sub ax,axint 21Hsub al,20Hpush ax 試編寫一個匯編語言程序，要求對鍵盤輸入的小寫字母用大寫字母顯示出來.model small.stack 100H.codemain proc farStart:cmp al,61Hcmp al,7BHmov dl,alpush axsub al,01Hint 21Hmov ah,02Hmov dl,0AHretMAIN ENDPEND start 將AX寄存器中的16位數(shù)分成4組，每組4位，然后把這四組數(shù)分別放在AL、BL、CL、DL中。push axmov cx,04H cl,04Hmov BYTE PTR x[si],alLoop lopmov dl,[X+6]print:mov dl,almov dl,blmov ah,02HI must study hard39。push dxmov ax,datalea si,STRING1mov cx,(string2string1)/ type STRING2push ds.model small.386.dataM DB 1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10P DB 20 dup(?)N DB 20 dup(?).codeMAIN PROC FARstart:AND ax,dataMOV di,0CMP ifLowhight :inc monContrlifLow :INC bxmov ax,di注意，ShowNumber
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