Z计算机111班《汇编语言设计》 课程设计 指导书.doc

Z计算机111班《汇编语言设计》_课程设计_指导书Z计算机111)班《汇编语言程序设计》
课程设计指导书
一、课程设计的目的
本课程设计是在学完教学大纲规定的全部内容、完成所有实践环节的基础上,旨在深化学生学****的汇编语言课程基本知识,进一步掌握汇编语言程序设计方法,提高分析问题、解决问题的综合应用能力。
二、课程设计内容
(1)课题①:磁盘文件管理系统
要求:功能菜单的编制;向磁盘文件中写入信息;从磁盘文件中读出信息并显示。
参考程序:
data segment
menu db 0dh,0ah, '********************************************',0dh,0ah
db '* menu *',0dh,0ah
db '*------------------------------------------*',0dh,0ah
db '* file *',0dh,0ah
db '* to file *',0dh,0ah
db '* file *',0dh,0ah
db '* *',0dh,0ah
db '*------------------------------------------*',0dh,0ah
db '* Choice(1--4) *',0dh,0ah
db '********************************************',0dh,0ah,'$'
pathname db 'D:\IBM ',00
handle dw ?
buffer1 db 60,0,60 dup(?)
buffer2 db 60,0,60 dup(?)
huanhang db '',0dh,0ah,'$'
chose db 0dh,0ah,'Please enter the digital from 1-4!',0dh,0ah,'$'
entery db 0dh,0ah,'Enter what you want to write to the file!(The length of the strings is under 60)',0dh,0ah,'$'
str_ok1 db 0dh,0ah,'Create file essfully!',0dh,0ah,'$'
str_ok2 db 0dh,0ah,'Wtite to file essfully!',0dh,0ah,'$'
str_ok3 db 0dh,0ah,'Read from file essfully!',0dh,0ah,'$'
str_error1 db 'Create file error!$'
str_error2 db 'Open file error!$'
str_error3 db 'Write to file error!$'
str_error4 db 'Read file error!$'
str_error5 db 'Exit from file error!$'
data ends

code segment
assume cs:code,ds:data
main proc far
start:
mov ax,data
mov ds,ax
mov ax,0600h
call me
call choice
ret
main endp
me proc near
mov ah,9
lea dx,menu
int 21h
me endp
choice proc near
mov ah,1
int 21h
cmp al,31h
je next1
cmp al,32h
je next2
cmp al,33h
je next3
cmp al,34h
je next4
jmp back
next1:
call creath
next2:
call entry
next3:
mov ah,9
lea dx,huanhang
int 21h
call read
next4:
mov ax,4c00h
int 21h
back:
mov ah,9
lea dx,chose
int 21h
call me
ret
choice endp
creath proc near
mov ah,3ch
lea dx,pathname
mov cx,0
int 21h
jc error1
mov ha