diff --git a/source/.gdbinit b/source/.gdbinit
index dc48ee5..ce85e44 100644
--- a/source/.gdbinit
+++ b/source/.gdbinit
@@ -1 +1 @@
-set args -nodga -nosound +set _windowed_mouse 0
+set args -nosound +set _windowed_mouse 0
diff --git a/source/cvar.c b/source/cvar.c
index db0e6f5..76e5630 100644
--- a/source/cvar.c
+++ b/source/cvar.c
@@ -237,7 +237,7 @@ void Cvar_SetValue (cvar_t *var, float value)
 	char	val[32];
 	int		i;
 
-	sprintf (val, "%g", value);
+	sprintf (val, "%f", value);
 	for (i=strlen(val)-1 ; i>0 && val[i]=='0' && val[i-1]!='.' ; i--)
 	{
 		val[i] = 0;
diff --git a/source/menu.c b/source/menu.c
index 79506fb..20c48e8 100644
--- a/source/menu.c
+++ b/source/menu.c
@@ -507,7 +507,7 @@ void M_Options_Draw (void)
 	M_Print (16, 48, "     Reset to defaults");
 
 	M_Print (16, 56, "           Screen size");
-	r = (scr_viewsize->int_val - 30) / (120 - 30);
+	r = (scr_viewsize->int_val - 30) / (120.0 - 30.0);
 	M_DrawSlider (220, 56, r);
 
 	M_Print (16, 64, "            Brightness");
diff --git a/source/screen.c b/source/screen.c
index 041d49c..fd7bbe9 100644
--- a/source/screen.c
+++ b/source/screen.c
@@ -979,7 +979,7 @@ needs almost the entire 256k of stack space!
 */
 void SCR_UpdateScreen (void)
 {
-	static float	oldscr_viewsize;
+	static int	oldscr_viewsize;
 	vrect_t		vrect;
 
 	if (scr_skipupdate || block_drawing)
diff --git a/source/vid_glx.c b/source/vid_glx.c
index e380969..7d0d67d 100644
--- a/source/vid_glx.c
+++ b/source/vid_glx.c
@@ -90,8 +90,6 @@ unsigned short	d_8to16table[256];
 unsigned int	d_8to24table[256];
 unsigned char	d_15to8table[65536];
 
-cvar_t	*vid_mode;
-
 #ifdef HAVE_DGA
 static int	hasdgavideo = 0;
 static int	hasdga = 0;
@@ -448,7 +446,6 @@ void VID_Init(unsigned char *palette)
 	char	gldir[MAX_OSPATH];
 
 	VID_GetWindowSize (640, 480);
-	vid_mode = Cvar_Get ("vid_mode","0",0,"None");
 	vid.maxwarpwidth = WARP_WIDTH;
 	vid.maxwarpheight = WARP_HEIGHT;
 	vid.colormap = host_colormap;