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1、王思遠(yuǎn)07001404十六進(jìn)制數(shù)轉(zhuǎn)換為二進(jìn)制數(shù)程序一．實驗?zāi)康恼莆真I盤接收數(shù)據(jù)的方法，并了解鍵盤數(shù)據(jù)顯示時需要轉(zhuǎn)換為ASCII碼及轉(zhuǎn)換原理。二．實驗內(nèi)容編寫程序，將鍵盤鍵入的四位十六進(jìn)制轉(zhuǎn)換為等值的二進(jìn)制數(shù)，并在屏幕上顯示。開始三．程序流程圖顯示“請輸入十六進(jìn)制數(shù)”四．實驗程序4→BLCRLFMACROPUSHAX接受字符PUSHDXMOVAH,02H是“回車”、“空格”？MOVDL,0DHYINT21HMOVAH,02H顯示出錯信息是十六進(jìn)制數(shù)？MOVDL,0AHNINT21HPOPDX顯示已轉(zhuǎn)換的二進(jìn)制數(shù)轉(zhuǎn)換成等值二進(jìn)制POPAXENDM結(jié)束DATASEGMENT轉(zhuǎn)換值送
2、DX低四位MESSDB'INPUTHEXNUMBER:','$'ERRORDB'INPUTERROR',0DH,0AH,'$'BX-1=0?DATAENDSNSTACKSEGMENTSTADW32DUP(?)TOPDW?Y顯示16位二進(jìn)制數(shù)STACKENDSCODESEGMENTASSUMECS:CODE,DS:DATA,ES:DATA,SS:STACKSTART:MOVAX,DATAMOVDS,AXMOVES,AXMOVSP,TOPLLL:MOVAH,09HMOVDX,OFFSETMESS王思遠(yuǎn)07001404INT21HMOVDX,OFFSETMESSINT21HCRLF
3、XORDX,DXMOVBL,04HGGG:MOVAH,01HINT21HCMPAL,0DHJZPPPCMPAL,20HJZPPPCMPAL,30HJBKKKSUBAL,30HCMPAL,0AHJBGETSCMPAL,11HJBKKKSUBAL,07HCMPAL,0FHJBEGETSCMPAL,2AHJBKKKCMPAL,2FHJAKKKSUBAL,20HGETS:MOVCL,04HSHLDX,CLXORAH,AHADDDX,AXDECBLJNZGGGCRLFCALLZHXSCRLFJMPLLLKKK:PUSHDXCRLFMOVAH,09HMOVDX,OFFSETERRORIN
4、T21HPOPDXPPP:CRLF王思遠(yuǎn)07001404CALLZHXSMOVAX,4C00HINT21HZHXSPROCMOVCX,0010HMOVBX,DXTTT:ROLBX,1MOVDL,BLANDDL,01HADDDL,30HMOVAH,02HINT21HLOOPTTTRETZHXSENDPCODEENDSENDSTART四．實驗結(jié)果：
