Курсовая работа: Програми – аналоги DOS-програм ren, xcopy

mov bx,ax

mov ax,5700h

int 21h

mov word ptr orig_time,cx

mov word ptr orig_date,dx

;open file for write

mov ah,3ch

xor cx,cx

mov dx,di

int 21h

jc file_error

mov word ptr handle_2,ax

push ds

push es

pop ds

xor dx,dx

;read block

next_block:

mov ah,3fh

mov bx,word ptr cs:handle_1

mov cx,32768

int 21h

cmp ax,0 ;eof

je stop_copy

;write to file

mov cx,ax

mov ah,40h

mov bx,word ptr cs:handle_2

int 21h