【文章內(nèi)容簡介】 sg_modnum db 39。Please input the number field you want to modify:39。,13,10,39。$39。 msg_modsco db 39。Please input the score field you want to modify:39。,13,10,39。$39。 opnmsg db 39。***Error occured while opening file***39。,13,10,39。$39。 wrtmsg db 39。***Error occured while writing file***39。,13,10,39。$39。 readmsg db 39。***Error occured while reading file***39。,13,10,39。$39。 routemsg db 39。***Path name is invalid***39。,13,10,39。$39。 data ends code segment assume cs:code,ds:data,ss:stsg,es:data main proc far start: mov ax,data mov ds,ax mov es,ax mainmenu: mov AX,0600H mov CX,0000H mov DX,174FH mov BH,07 int 10H mov AH,02 。set cursor mov BH,0 mov DX,0100H int 10H 武漢理工大學(xué)《匯編語言程序設(shè)計課程設(shè)計報告》 第 13 頁 lea DX,titl 。display menu mov AH,9 int 21H showmsg _titleln lea DX,mmenutip mov AH,9 int 21H case: mov ah,0 int 16h cmp ah,17h。39。i39。 je addone cmp ah,26h。39。l39。 je browse cmp ah,19h。39。p39。 je display cmp ah,10h。39。q39。 je query cmp ah,20h。39。d39。 je del_interm cmp ah,2eh。39。c39。 je statis cmp ah,32h。39。m39。 je change cmp ah,12h。39。e39。 je exit display: call display_in anykeyback jmp mainmenu query: call query_in anykeyback jmp mainmenu browse: call browse_in anykeyback jmp mainmenu addone: call insert_in anykeyback jmp mainmenu exit: call quit statis: call stat_in anykeyback 武漢理工大學(xué)《匯編語言程序設(shè)計課程設(shè)計報告》 第 14 頁 jmp mainmenu del_interm: jmp delete change: call mod_in anykeyback jmp mainmenu delete: call del_in anykeyback jmp mainmenu beep: mov AH,14 mov AL,7 mov BH,0 int 10H jmp mainmenu main endp 。 browse_in proc near call near ptr clear call near ptr cursor call near ptr readall call name_sort call near ptr print ret browse_in endp 。 del_in proc near call clear call cursor call delete_in ret del_in endp 。 query_in proc near call clear call cursor call bg_search ret query_in endp 。 stat_in proc near call clear call cursor call near ptr stat ret stat_in endp 。 武漢理工大學(xué)《匯編語言程序設(shè)計課程設(shè)計報告》 第 15 頁 insert_in proc near call clear call cursor call near ptr input call name_sort ret insert_in endp 。 display_in proc near call clear call cursor call near ptr print ret display_in endp 。 mod_in proc near call clear call cursor call print call bg_modify call name_sort ret mod_in endp 。 delete_in proc near push ax push dx call print crlfm mov ah,9 lea dx,msg_delnamin int 21h call near ptr inputname call near ptr del cmp ax,1 je qdel showmsg deled qdel: pop dx pop ax ret delete_in endp 。 bg_search proc near showmsg menu3_1 mov ah,1 int 21h。getch() crlfm 武漢理工大學(xué)《匯編語言程序設(shè)計課程設(shè)計報告》 第 16 頁 cmp al,39。139。 je q1 cmp al,39。239。 je q2 showmsg scoinfid lea bx,studentx+14 mov dx,3 jmp bgsear q1: showmsg naminfid call near ptr inputname lea bx,studentx mov dx,1 jmp bgsear q2: showmsg numinfid call near ptr inputnum lea bx,studentx+6 mov dx,2 bgsear: push bx push dx call near ptr search。search(studentx,1) cmp ax,1 je qins showmsg printtitle showmsg sepln push si mov si,ax call near ptr printline pop si jmp qque qins: showmsg qforins mov ah,01 int 21h crlfm cmp al,39。y39。 jne qque call inputnum call inputsco call stor showmsg insed mov saveflag,0 qque: ret bg_search endp 。 bg_modify proc near push ax 武漢理工大學(xué)《匯編語言程序設(shè)計課程設(shè)計報告》 第 17 頁 push bx push dx showmsg menu5_1。display modify submenu mov ah,1 int 21h。getch() crlfm cmp al,39。139。 je t1 cmp al,39。239。 je t2 mov bx,3 call inputsco jmp cin t1: call inputname mov bx,1 jmp cin t2: mov bx,2 call inputnum cin: push bx call near ptr modify cmp ax,1 je qmodi crlfm showmsg moded qmodi: pop dx pop bx pop ax ret bg_modify endp 。 quit proc near cmp saveflag,0 je qforsav jmp qsys qforsav: call clear call cursor showmsg qsave mov ah,1 int 21h cmp al,39。y39。 je savit jmp qsys savit: 武漢理工大學(xué)《匯編語言程序設(shè)計課程設(shè)計報告》 第 18 頁 call save mov ah,3eh。close file mov bx,filehandle int 21h qsys: mov ax,4c00h int 21h ret quit endp 。