88 lines
1.0 KiB
NASM
88 lines
1.0 KiB
NASM
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net segment
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org 0100h
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assume cs:net,ds:net
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start:
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jmp deb
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taille dw 0
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signe2 db 64 dup (0)
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p1 db '@'
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p2 db '@'
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deb:
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mov BL,DS:[0080h]
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xor BH,BH
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or BX,BX
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mov byte ptr [0081h+BX],00h
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mov AX,3D02h
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mov DX,0082H
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int 21h
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mov bx,ax
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mov ah,3fh
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mov cx,0ffffh
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mov dx,offset data
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int 21h
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mov taille,ax
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mov ah,3eh
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int 21h
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mov si,82h
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mov di,offset signe2
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mov cx,64
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rep movsb
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mov di,offset signe2
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mov cx,64
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mov al,2eh
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repne scasb
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mov si,offset data
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mov cx,3
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rep movsb
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mov cx,taille
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mov di,offset data
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add di,taille
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mov dx,1
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boucle:
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lodsb
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cmp al,p1
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je pas
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suite:
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stosb
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loop boucle
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jmp fin
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pas:
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mov al,p2
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cmp [si+2],al
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jne suite
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lodsb
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mov bx,cx
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mov cl,al
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xor ch,ch
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lodsb
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rep stosb
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mov cx,bx
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sub cx,3
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inc si
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loop boucle
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fin:
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mov ah,3ch
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mov cx,0
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mov dx,offset signe2
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int 21h
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mov bx,ax
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mov ah,40h
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mov cx,di
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sub cx,offset data
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sub cx,taille
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mov dx,offset data
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add dx,taille
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int 21h
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mov ah,3eh
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int 21h
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mov ah,41h
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mov dx,82h
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int 21h
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ret
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data db 0
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net ends
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end start
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net
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