diff --git a/SCREENSHOTS.md b/SCREENSHOTS.md
deleted file mode 100644
index d4f0e9e..0000000
--- a/SCREENSHOTS.md
+++ /dev/null
@@ -1,13 +0,0 @@
-![logo](https://github.com/dahut87/cos2000v1/raw/master/Graphisme/logo.png)
-
-## Copies d'écran de COS2000
-![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/bootnew.jpg)
-![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/chargement.jpg)
-![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/dir.jpg)
-![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/editeur.jpg)
-![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/gestionnaire.jpg)
-![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/installation.jpg)
-![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/interpreteur.jpg)
-![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/logo.jpg)
-![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/pci.jpg)
-![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/video.jpg)
diff --git a/doc_origine.pdf b/doc_origine.pdf
deleted file mode 100644
index c610cb9..0000000
Binary files a/doc_origine.pdf and /dev/null differ
diff --git a/include/mem.h b/include/mem.h
index 5e9035e..20d06a5 100644
--- a/include/mem.h
+++ b/include/mem.h
@@ -15,6 +15,14 @@ sfs  dw 0
 sgs  dw 0
 sss  dw 0
 seflags dd 0
+;sst0 dt 0
+;sst1 dt 0
+;sst2 dt 0
+;sst3 dt 0
+;sst4 dt 0
+;sst5 dt 0
+;sst6 dt 0
+;sst7 dt 0
 ends regs
 
 struc tuple   ;vecteur d'interruption