read: push bp
mov bp,sp
mov bx,offset _msg_s
call _print
mov bx,offset _buff_s
mov di,0
_r_lp_1: mov ah,1
int 21h
cmp al,0dh
je _r_brk_1
mov ds:[bx+di],al
inc di
jmp short _r_lp_1
_r_brk_1: mov ah,2
mov dl,0ah
int 21h
mov ax,0
mov si,0
mov cx,10
_r_lp_2: mov dl,ds:[bx+si]
cmp dl,30h
jb _r_brk_2
cmp dl,39h
ja _r_brk_2
sub dl,30h
mov ds:[bx+si],dl
mul cx
mov dl,ds:[bx+si]
mov dh,0
add ax,dx
inc si
jmp short _r_lp_2
_r_brk_2: mov cx,di
mov si,0
_r_lp_3: mov byte ptr ds:[bx+si],0
loop _r_lp_3
mov sp,bp
pop bp
ret
write: push bp
mov bp,sp
mov bx,offset _msg_p
call _print
mov ax,ss:[bp+4]
mov bx,10
mov cx,0
_w_lp_1: mov dx,0
div bx
push dx
inc cx
cmp ax,0
jne _w_lp_1
mov di ,offset _buff_p
_w_lp_2: pop ax
add ax,30h
mov ds:[di],al
inc di
loop _w_lp_2
mov dx,offset _buff_p
mov ah,09h
int 21h
mov cx,di
sub cx,offset _buff_p
mov di,offset _buff_p
_w_lp_3: mov al,24h
mov ds:[di],al
inc di
loop _w_lp_3
mov ax,di
sub ax,offset _buff_p
mov sp,bp
pop bp
ret 2
_print: mov si,0
mov di,offset _buff_p
_p_lp_1: mov al,ds:[bx+si]
cmp al,0
je _p_brk_1
mov ds:[di],al
inc si
inc di
jmp short _p_lp_1
_p_brk_1: mov dx,offset _buff_p
mov ah,09h
int 21h
mov cx,si
mov di,offset _buff_p
_p_lp_2: mov al,24h
mov ds:[di],al
inc di
loop _p_lp_2
ret
code ends
end start
编译原理课程设计重庆理工大学
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2020-07-05
10:53:01
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compiler.zip （24个子文件） 
images 
check.png 4KB dakai.png 8KB zhuanhuan.png 4KB main.png 4KB fenxi_s.png 15KB jianqie.png 17KB bianyi.png 13KB fuzhi.png 8KB guanyu.png 16KB bianyix.png 11KB niantie.png 11KB baocun.png 5KB fenxi_w.png 10KB target 
code_segment1.txt 148B code_segment2.txt 1KB data_segment.txt 268B
lexical_analysis.py 10KB __pycache__ syntax_analysis.cpython-36.pyc 34KB target_code_construction.cpython-36.pyc 6KB lexical_analysis.cpython-36.pyc 7KB help.chm 654KB syntax_analysis.py 61KB target_code_construction.py 10KB Compiler_ui_build.py 32KB资源评论
