匯編語言課設文本編輯器

題目：文本編輯器 ... 1.2 .2.1開發(fā)背景...........................................3.3數(shù)據(jù)定義............................................4模塊設計.......................................... 4.1運行結(jié)果...........................................4.2結(jié)果分析.............................................1程序測試..............................................................................摘要文本編輯器在我們的日常生活中使用非常頻繁，是我們工作當1.2設計的內(nèi)容的界面；2.在文本編輯區(qū)可以隨意輸入字符；4.實現(xiàn)了光標上移、下移、左移、右移；5.實現(xiàn)了下拉菜單以及彈出式菜單；6.可以實現(xiàn)屏幕的上卷和下卷；.1開發(fā)背景本次開發(fā)主要是在《微機原理與接口技術(shù)》這門課學習完成之2.2程序設計的意義本程序主要利用BIOS功能調(diào)用設計編輯器的菜單和編輯窗口，3.1總體設計方案程序利用模塊化設計方法，對每個要實現(xiàn)的功能都設計成子程序，方便使用。程序中具體模塊如圖3-1。主程序繪制界面按鍵判斷子菜單繪功能的實displaydis_edit3.2實現(xiàn)過程display(顯示菜單欄);dis_edit(顯示編輯窗口);dis_file(顯示文件菜單);dis_text(顯示文本菜單);key_down(光標向下);key_left(光標向左);key_up(光標向上);key_right(光標向右);key_pgup(菜單的循環(huán)選擇);ok_exit(退出);open(子菜單顯示及控制);.3數(shù)據(jù)定義好了，由于功能調(diào)用的需要所以把數(shù)據(jù)定義在了數(shù)據(jù)段和附加段中。以下是程序中用到數(shù)據(jù)的定義：datasegmentsdb'FileViewTextAbout$'f1db'Open',10,13,'Exit',10,13,'$'f2db'Clear$'idb0bdb0buffdb1200dup(?),'$'printfdb"Can'topentheFile$"mssdb'Massage$'ab1db'AboutEdit$'ab2db'GaoHaiFeng$'ab3db'C1141$'ab4db'2013-6-22$'dataendseatasegments1db'File$'s2db'View$'s3db'Text$'s4db'About$'s5db'Open$'s6db'Exit$'s7db'Clear$'eorrdb'eorr:$'okdb5bh,'OK',5dh,'$'designdb'Design:$'classdb'Class:$'datedb'Date:$'qqdb'QQ:$'eataends事先定義好數(shù)據(jù)的結(jié)構(gòu)可以減少程序設計中很多的麻煩。塊設計開開始繪制編輯繪制菜單返回3.4.2檢測按鍵開始AH=0?是否返回3.4.3子菜單繪制該模塊同樣采用了BIOS功能調(diào)用設置子菜單，具體操作見圖制返回4.1運行結(jié)果4.2結(jié)果分析選擇、光標的移動、5.1程序測試通過本次課程設計可以說收獲頗多，雖然在程序設計的過程中七、參考文獻月datasegmentsdb'FileViewTextAbout$'f1db'Open',10,13,'Exit',10,13,'$'f2db'Clear$'idb0bdb0buffdb1200dup(?),'$'printfdb"Can'topentheFile$"mssdb'Massage$'ab1db'AboutEdit$'ab2db'GaoHaiFeng$'ab3db'C1141$'ab4db'2013-6-22$'dataendseatasegments1db'File$'s2db'View$'s3db'Text$'s4db'About$'s5db'Open$'s6db'Exit$'s7db'Clear$'eorrdb'eorr:$'okdb5bh,'OK',5dh,'$'designdb'Design:$'classdb'Class:$'datedb'Date:$'qqdb'QQ:$'eataendsstacksegmentdw1000dup(?)stackendscodesegmentassumeds:data,cs:code,ss:stack,es:eatamovds,axmovax,eatamoves,axmovah,0moval,3int10hcalldisplay;顯示菜單欄calldis_edit;顯示編輯區(qū)movah,4chthdisplayprocnear;顯示菜單欄movah,6moval,0movch,0movcl,0movdh,0movdl,79movbh,70hmovmovmovmovmovmovmovmovmovmovmovmovretdisplayah,6al,1hlhdl,79bh,70hah,2bh,0hlah,09hsdis_editprocnear;顯示編輯區(qū)movmovmovmovmovmovmovmovintmovmovmovmovmovmovmovpgup_r:di,0;作為緩存指針ah,6al,0hldh,24dl,79bh,1ehah,6al,1hldh,24dl,79bh,1ehmovah,2movbh,0movdh,1movdl,0int10hnext:movah,00h;從鍵盤讀取字符int16hcmpal,1bh;判斷輸入的字符是否是ESCjzexitcmpal,0dhjzentercmpah,48h盤掃描碼jzdi_upcmpah,4bhjzdi_leftcmpah,4dhjzdi_rightcmpah,50h;判斷輸入的字符是否是回車;判斷按鍵是否是上,ah中存放的是特殊鍵jzdi_downjzdi_pgupcmpah,0ehjzdi_backmovbuff[di],al;每次接收一個字符時都存放到BUFF中imovbuff[di],'$'movah,2thloopnextjmpnext1;這里相當于無限循環(huán),CX的值不起作用ffdiimovbuff[di],13imovah,3;獲取光標位置movbh,0int10hcmpdh,24;判斷回車之后是否是行尾jzgo_againmovmovincmovintah,2bh,0lnext1jmpnext1di_left:callkey_left;調(diào)用左移子程序jmpnext1di_right:callkey_right;調(diào)用右移子程序jmpnext1di_down:callkey_down;調(diào)用下移子程序jmpnext1jmppgup_rdi_back:callkey_backjmpnext1go_again:calldis_loop;上卷一行定位到行尾jmpnext1exit:movah,6moval,0movch,0movcl,0movdh,24movdl,79int10hretdis_editendpdis_loopprocnear;編輯區(qū)上卷一行光標定位到行尾movah,6moval,1movch,1movcl,0movdh,24movdl,79movbh,1ehint10hmovah,2movbh,0movdh,24movdl,0int10hretdis_loopendpkey_upprocnearmovah,3;讀取光標位置movbh,0int10hcmpdh,1jzrodownmovah,2;定位光標位置decdhint10hreturn:retrodown:callroll_downjmpreturnkey_upendproll_downprocnear;屏幕下卷movah,7moval,1movch,1movcl,0movdh,24movdl,79movbh,1ehint10hmovah,3;讀取光標位置movbh,0int10hmovah,2;定位光標位置int10hretroll_downendpkey_leftprocnearmovah,3;讀取光標位置movbh,0int10hcmpdl,0;判斷是否到了第一列jzgo_left;是的話移到上一行行尾movah,2movbh,0decdlint10hjmpret1go_left:cmpdh,1jnzroll_upmovah,6moval,1movch,1movcl,0movdh,24movdl,79movbh,1ehmovmovmovmovintah,2bh,0dl,79hret1roll_up:movah,2;移到上一行行尾movbh,0decdhmovdl,79int10hret1:retkey_leftendpkey_rightprocnearmovah,3;讀取光標位置movbh,0dl,79go_rightdh,24on_okmovah,6moval,1movhmovlmovdh,24movdl,79movbh,1ehmovah,2movbh,0movdh,24movljmpret2movbh,0movret2go_right:movah,2movbh,0lint10hret2:retkey_rightendpkey_downprocnearmovah,3movbh,0dh,24m_downmovah,6moval,1movhmovlmovdh,24movdl,79movbh,1ehmovah,3movbh,0movah,2movbh,0movdh,24ret3m_down:movah,2movbh,0hint10hret3:retkey_downendpkey_pgupprocnear;按下pgup鍵的處理過程st_pgdn:calldisplaycmpi,0jnznt;判斷當前的菜單項是第幾個movah,6;菜單項處清屏moval,0movbh,1fhmovch,0movcl,0movdh,0movdl,3int10hmovah,13hmoval,0movcx,4movdh,0movmovmovleaintjmpnt:cmpjnzmovmovmovmovmovmovmovintmovmovmovlbl,0a5hbh,0bp,s1ret0nt1bh,1fhah,6al,0hlhdl,12ah,al,0xmovmovmovmovleaintjmpnt1:jnzmovmovmovmovmovmovmovintmovmovhlbl,0a5hbh,0bp,s2ret0cmpi,2nt2bh,1fhah,6;小菜單清屏al,0hcl,18hdl,21ah,13hal,0movmovmovmovmovleaintjmpnt2:jnzmovmovmovmovmovmovmovintmovxhdl,18bl,0a5hbh,0bp,s3ret0cmpi,3nt1bh,1fhah,6al,0hcl,27hdl,30ahhbios輸出字符串movmovmovmovmovmovleaintret0:cmpjnzmovrtt:al,0xhdl,27bl,0a5hbh,0bp,s4incirttmovah,0hah,49hst_pgdnal,0dh;判斷是否是回車rt0jnzlolcalldis_aboutjmprt0lol:cmpi,1jnzqqqcalldis_filejmprt0qqq:cmpi,3jnzrtt;不確定calldis_textrt0:cmpi,1jnzntfmovah,6;菜單項處清屏moval,0movbh,70hmovch,0movcl,0movdh,0movdl,3movmovmovmovmovmovmovleaintjmpntf:jnzmovmovmovmovmovmovah,13hal,0xhlbl,70hbh,0bp,s1rrrcmpi,2ntf1bh,70hah,6al,0hlhmovintmovmovmovmovmovmovmovleaintjmpntf1:jnzmovmovmovmovmovdl,12ah,al,0xhlbl,70hbh,0bp,s2rrrcmpi,3ntf2bh,70hah,6;小菜單清屏al,0hcl,18movmovintmovmovmovmovmovmovmovleaintjmpntf2:jnzmovmovmovmovhdl,21ah,al,0xhdl,18bl,70hbh,0bp,s3rrrcmpi,0rrrbh,70hah,6al,0hmovcl,27movdh,0movdl,30int10hmovah,13hmoval,0movcx,5movdh,0movdl,27movbl,70hmovbh,0leabp,s4int10hrrr:movi,0retkey_pgupendpdis_fileprocnear;顯示File菜單movah,6moval,0movbh,70hmovhmovlmovhmovlmovah,6moval,1movbh,70hmovhmovlmovhmovlmovah,2movbh,0movhmovlmovleaintmovintcmpjnzan_don:jnzmovleamovmovmovmovmovmovintmovah,09hdx,f1ah,00hah,50h;如果按方向鍵下cmpb,0hahaah,13hbp,s6al,0xhlbh,0bl,70hah,13hmovmovmovmovmovmovhaha:movmovmovmovmovmovmovbp,s5al,0xhlbh,0bl,05ahcmpb,1ah,13hbp,s5al,0xhlbh,0bl,70hint10hmovah,13hleabp,s6moval,0movcx,4movdh,2movdl,0movbh,0movbl,05ahint10hcmpb,2jnzeeemovb,0eee:movah,00int16hcmpah,50h;判斷是否是方向鍵下jzan_doncmpah,01h;判斷是否是ESCjzrrr1cmpal,0dh;判斷是否是回車jnzeeecmpb,1jnzcexitcallopenjmprrr1rrr1:movah,6moval,0movch,1movcl,0movdh,24movdl,79movbh,1ehint10hmovah,6moval,1movch,1movcl,0movdh,24movdl,79movbh,1ehint10hcalldis_buffretdis_fileendpdis_buffprocnearmovah,2movbh,0movhmovlmovah,9dx,buffretdis_buffendpopenprocnearcalldisplaymovah,6moval,0movch,1movcl,0movdh,24movdl,79movbh,1ehint10hcalldis_buff;顯示緩存數(shù)據(jù)movah,6moval,0movbh,70hmovch,6movcl,19movdh,6movdl,59int10hmoval,1movbh,70hmovch,6movcl,19movdh,6movdl,59int10hmovah,2movbh,0movdh,6movdl,34int10hmovah,9leadx,mssthmovah,6moval,0movbh,5ehmovhmovcl,19movdh,14movdl,59movah,6moval,1movbh,5ehmovhmovcl,19movdh,14movdl,59movbp,eorrmoval,0movxmovbh,0movbl,52hmovdh,10movdl,24int10hmovah,2movbh,0movdh,10movdl,32int10hmovah,9leadx,printfthmovah,13hleabp,okmoval,0movcx,4movbh,0movbl,70hmovdh,12movdl,37int10hsure:movah,00hal,0dhmovah,6moval,0movhmovlmovdh,24movdl,79movbh,1ehlretdis_buffopenendpok_exitprocprocmovah,6movbh,0moval,0movch,0movcl,0movdh,24movdl,79int10hmovah,4chthretok_exitendpdis_textprocnearmovah,6moval,0movbh,70hmovch,1movcl,18movdh,1movdl,24int10hmovah,6moval,1movbh,70hmovhmovcl,18movhmovdl,24movah,2movbh,0movhmovdl,18movah,09hdx,f2movah,13hbp,s7moval,0movcx,5movdh,1movdl,18movbh,0movbl,05ahint10hint16hcmpah,01hjzr121cmpal,0dhjnzr121movbuff,'$'r121:movah,6moval,0movch,1movcl,0movdh,24movdl,79movbh,1ehint10hcalldis_buffretdis_textendpdis_aboutprocnearmovah,6moval,0movbh,70hmovch,6movcl,19movdh,6movdl,59int10hmovah,6moval,1movbh,70hmovch,6movcl,19movmovintmovmovmovmovhdl,59ah,2bh,0hdl,34int10hdx,ab1movah,6moval,0movbh,3ehmovhmovcl,19movdh,14movdl,59movmovmovmovmovmovmovintmovah,6al,1bh,3ehhcl,19dh,14dl,59ah,13hleabp,designmovcx,7movdh,8movdl,30movbh,0movbl,30hint10hmoval,0movbh,30hmovch,9movcl,30movdh,9movdl,38int10hmovah,13hmovcx,5movdh,9movdl,30movbh,0movbl,31hint10hmoval,0movbh,3ehmovch,10movcl,30movdh,10movdl,38int10hmovah,13hleabp,date;顯示日期movcx,5movdh,10movdl,30movbh,0movbl,30hint10hmoval,0movbh,3ehmovch,11movcl,30movdh,11movdl,38int10hmovah,13hmovcx,3movdh,11movdl,30movbh,0movbl,