Direct3D in full-screen mode now transfers control of input to the full screen window, fixes #429;

Unified screenshot code and moved it to video.c, it is now independent of both renderer and platform;
The EGA/(S)VGA overscan now also works for CGA, PCjr, Tandy, and CGA-using Amstrads;
Fixed EGA/(S)VGA overscan operation so it works correctly with scrolling and panning;
Fixed 320x200x32K and 320x200x64K modes on the ET4000/W32p;
Fixed the Video 7 1024i chip ID and video memory options, fixes #431;
Fixed a banking bug in the S3 cards, fixes Windows 9x and NeoPaint.

src/video/vid_table.c

@@ -210,7 +210,7 @@ void
 video_reset_close(void)
 {
     video_inform(VIDEO_FLAG_TYPE_NONE, &timing_default);
-    was_reset = 1;
+    was_reset = 0;
 }