Added emulation and more clipping for the BAR function.

Copy colors and page count into local storage from the driver.
Added more functions.


git-svn-id: svn://svn.cc65.org/cc65/trunk@1322 b7a2c559-68d2-44c3-8de9-860c34a00d81

libsrc/tgi/tgi_getmaxcolor.s

@@ -0,0 +1,21 @@
+;
+; Ullrich von Bassewitz, 22.06.2002
+;
+; unsigned char __fastcall__ tgi_getmaxcolor (void);
+; /* Return the maximum supported color number (the number of colors would
+;  * then be getmaxcolor()+1).
+;  */
+
+        .include        "tgi-kernel.inc"
+        .export         _tgi_getmaxcolor
+
+
+_tgi_getmaxcolor:
+        ldx     _tgi_colors
+        dex
+        txa
+        ldx     #0
+        rts
+
+
+