From 85f51dc89a518257a87f7139ab9098254e97c211 Mon Sep 17 00:00:00 2001
From: cuz <cuz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Thu, 13 Feb 2003 21:12:11 +0000
Subject: [PATCH] New function toggle_videomode

git-svn-id: svn://svn.cc65.org/cc65/trunk@1980 b7a2c559-68d2-44c3-8de9-860c34a00d81
---
 include/c128.h                 |  5 +++++
 libsrc/c128/Makefile           | 35 +++++++++++++++++-----------------
 libsrc/c128/c128.inc           |  1 +
 libsrc/c128/toggle_videomode.s | 13 +++++++++++++
 4 files changed, 37 insertions(+), 17 deletions(-)
 create mode 100644 libsrc/c128/toggle_videomode.s

diff --git a/include/c128.h b/include/c128.h
index 85782aef3..205febd26 100644
--- a/include/c128.h
+++ b/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
 
diff --git a/libsrc/c128/Makefile b/libsrc/c128/Makefile
index 938b04222..cad101c59 100644
--- a/libsrc/c128/Makefile
+++ b/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
diff --git a/libsrc/c128/c128.inc b/libsrc/c128/c128.inc
index 725314331..e30c3b9b7 100644
--- a/libsrc/c128/c128.inc
+++ b/libsrc/c128/c128.inc
@@ -48,6 +48,7 @@ NEWLINE		= $C363
 PRINT		= $C322
 
 ; Extended jump table
+SWAPPER		= $FF5F
 SETBNK          = $FF68
 
 ; ---------------------------------------------------------------------------
diff --git a/libsrc/c128/toggle_videomode.s b/libsrc/c128/toggle_videomode.s
new file mode 100644
index 000000000..098989d7c
--- /dev/null
+++ b/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
+
-- 
2.39.5