added declarations for scroll(), savevecs() and restvecs()

git-svn-id: svn://svn.cc65.org/cc65/trunk@115 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/include/atari.h b/include/atari.h
index 051d2695084001f5d5eabcc5b27b7bf2a85ae110..365b69ff371a5e6337d315d1f2a247dda1feff0a 100644 (file)
--- a/include/atari.h
+++ b/include/atari.h
@@ -98,6 +98,16 @@ extern void __fastcall__ setcolor     (unsigned char color_reg, unsigned char hu
 extern void __fastcall__ setcolor_low (unsigned char color_reg, unsigned char color_value);
 extern unsigned char  __fastcall__ getcolor (unsigned char color_reg);
 
+/* other screen functions */
+extern void __fastcall__ scroll (signed char numlines);
+                                          /* numlines > 0  scrolls up */
+                                          /* numlines < 0  scrolls down */
+
+/* misc. functions */
+extern void save_vecs(void);   /* save system vectors */
+extern void rest_vecs(void);   /* restore system vectors */
+
+
 /* Define hardware */
 #include <_gtia.h>
 #define GTIA (*(struct __gtia_write*)0xD000)