New function toggle_videomode

git-svn-id: svn://svn.cc65.org/cc65/trunk@1980 b7a2c559-68d2-44c3-8de9-860c34a00d81

include/c128.h

@@ -95,6 +95,11 @@
 
 
 
+void toggle_videomode (void);
+/* Toggle the video mode between 40 and 80 chars (calls SWAPPER) */
+
+
+
 /* End of c128.h */
 #endif
 

libsrc/c128/Makefile

@@ -26,23 +26,24 @@
 #--------------------------------------------------------------------------
 # Object files
 
-OBJS =	_scrsize.o	\
-	break.o	       	\
-     	cgetc.o	       	\
-       	clrscr.o       	\
-      	conio.o	       	\
-     	crt0.o	       	\
-       	color.o	       	\
-     	cputc.o	       	\
-        get_tv.o        \
-	joy_stddrv.o	\
-     	kbhit.o	       	\
-        kernal.o        \
-	mouse.o		\
-        randomize.o     \
-        revers.o        \
-	rs232.o		\
-	tgi_mode_table.o
+OBJS =	_scrsize.o		\
+	break.o	       		\
+     	cgetc.o	       		\
+       	clrscr.o       		\
+      	conio.o	       		\
+     	crt0.o	       		\
+       	color.o	       		\
+     	cputc.o	       		\
+        get_tv.o        	\
+	joy_stddrv.o		\
+     	kbhit.o	       		\
+        kernal.o        	\
+	mouse.o			\
+        randomize.o     	\
+        revers.o        	\
+	rs232.o			\
+	tgi_mode_table.o	\
+	toggle_videomode.o
 
 #--------------------------------------------------------------------------
 # Drivers

libsrc/c128/c128.inc

@@ -48,6 +48,7 @@ NEWLINE		= $C363
 PRINT		= $C322
 
 ; Extended jump table
+SWAPPER		= $FF5F
 SETBNK          = $FF68
 
 ; ---------------------------------------------------------------------------

libsrc/c128/toggle_videomode.s

@@ -0,0 +1,13 @@
+;
+; Ullrich von Bassewitz, 2003-02-13
+;
+; void toggle_videomode (void);
+; /* Toggle the video mode between 40 and 80 chars (calls SWAPPER) */
+;
+
+	.export		_toggle_videomode
+
+	.include	"c128.inc"
+
+	_toggle_videomode = SWAPPER
+