From 95140e4da4d0da2db2e12788ba4ac9800208cd93 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20Hord=C3=A9?= <nicolas@palon.fr>
Date: Wed, 28 Mar 2007 21:54:53 +0000
Subject: [PATCH] =?UTF-8?q?feat:=20logiciels=20permettant=20la=20compressi?=
 =?UTF-8?q?on=20et=20d=C3=A9compression=20au=20format=20RIP?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 outils/compression/rip.asm   | 108 +++++++++++++++++++++++++++++++++++
 outils/compression/unrip.asm |  88 ++++++++++++++++++++++++++++
 2 files changed, 196 insertions(+)
 create mode 100644 outils/compression/rip.asm
 create mode 100644 outils/compression/unrip.asm

diff --git a/outils/compression/rip.asm b/outils/compression/rip.asm
new file mode 100644
index 0000000..acefad7
--- /dev/null
+++ b/outils/compression/rip.asm
@@ -0,0 +1,108 @@
+net segment
+
+org 0100h
+assume cs:net,ds:net
+
+start:
+jmp deb
+taille dw 0
+signe db 'rip'
+signe2 db 64 dup (0)
+p1 db '@'
+p2 db '@'
+min db 4
+deb:
+mov	BL,DS:[0080h]			
+xor 	BH,BH				
+or 	BX,BX				
+mov 	byte ptr [0081h+BX],00h		
+mov 	AX,3D02h			
+mov 	DX,0082H			
+int 	21h		
+mov bx,ax
+mov ah,3fh
+mov cx,0ffffh
+mov dx,offset data
+int 21h
+mov taille,ax
+mov ah,3eh
+int 21h
+mov si,82h
+mov di,offset signe2
+mov cx,64
+rep movsb
+mov di,offset signe2
+mov cx,64
+mov al,2eh
+repne scasb
+push di
+mov si,di
+mov di,offset data
+add di,taille
+mov cx,3
+rep movsb
+mov ax,di
+pop di
+mov cx,3
+mov si,offset signe
+rep movsb
+mov di,ax
+mov cx,taille
+mov si,offset data
+mov dx,1
+boucle:
+lodsb
+cmp al,[si]
+jne pas
+inc dl
+loop boucle
+jmp fin
+pas:
+cmp dl,min
+jb suite
+cmp dl,1
+jne go
+suite:
+mov bx,cx
+mov cx,dx
+rep stosb
+mov cx,bx
+mov dl,1
+loop boucle
+jmp fin
+go:
+mov ah,al
+mov al,p1
+stosb
+mov al,dl
+stosb
+mov al,ah
+stosb
+mov al,p2
+stosb
+mov dl,1
+loop boucle
+fin:
+mov ah,3ch
+mov cx,0
+mov dx,offset signe2
+int 21h
+mov bx,ax
+mov ah,40h
+mov cx,di
+sub cx,offset data
+sub cx,taille
+mov dx,offset data
+add dx,taille
+int 21h
+mov ah,3eh
+int 21h
+mov ah,41h
+mov dx,82h
+int 21h
+ret
+data db 0
+net ends
+end start
+ 
+net
\ No newline at end of file
diff --git a/outils/compression/unrip.asm b/outils/compression/unrip.asm
new file mode 100644
index 0000000..02d1f64
--- /dev/null
+++ b/outils/compression/unrip.asm
@@ -0,0 +1,88 @@
+net segment
+
+org 0100h
+assume cs:net,ds:net
+
+start:
+jmp deb
+taille dw 0
+signe2 db 64 dup (0)
+p1 db '@'
+p2 db '@'
+deb:
+mov	BL,DS:[0080h]			
+xor 	BH,BH				
+or 	BX,BX				
+mov 	byte ptr [0081h+BX],00h		
+mov 	AX,3D02h			
+mov 	DX,0082H			
+int 	21h		
+mov bx,ax
+mov ah,3fh
+mov cx,0ffffh
+mov dx,offset data
+int 21h
+mov taille,ax
+mov ah,3eh
+int 21h
+mov si,82h
+mov di,offset signe2
+mov cx,64
+rep movsb
+mov di,offset signe2
+mov cx,64
+mov al,2eh
+repne scasb
+mov si,offset data
+mov cx,3
+rep movsb
+mov cx,taille
+mov di,offset data
+add di,taille
+mov dx,1
+boucle:
+lodsb
+cmp al,p1
+je pas
+suite:
+stosb
+loop boucle
+jmp fin
+pas:
+mov al,p2
+cmp [si+2],al
+jne suite
+lodsb
+mov bx,cx
+mov cl,al
+xor ch,ch
+lodsb
+rep stosb
+mov cx,bx
+sub cx,3
+inc si
+loop boucle
+fin:
+mov ah,3ch
+mov cx,0
+mov dx,offset signe2
+int 21h
+mov bx,ax
+mov ah,40h
+mov cx,di
+sub cx,offset data
+sub cx,taille
+mov dx,offset data
+add dx,taille
+int 21h
+mov ah,3eh
+int 21h
+mov ah,41h
+mov dx,82h
+int 21h
+ret
+data db 0
+net ends
+end start
+ 
+net
\ No newline at end of file