Added correct clock support for S3 Trio64 (Number Nine 9FX).

Seperated TGUI9440 and TVGA8900D implementations.
Modes > 8 bpp now handled more logically in SVGA core.
Fixed broken status window for most SVGA cards.
Masking of address on 'legacy' VGA memory ranges now handled better.

src/vid_ati28800.c

@@ -181,6 +181,13 @@ void ati28800_force_redraw(void *p)
         ati28800->svga.fullchange = changeframecount;
 }
 
+int ati28800_add_status_info(char *s, int max_len, void *p)
+{
+        ati28800_t *ati28800 = (ati28800_t *)p;
+        
+        return svga_add_status_info(s, max_len, &ati28800->svga);
+}
+
 device_t ati28800_device =
 {
         "ATI-28800",
@@ -189,5 +196,5 @@ device_t ati28800_device =
         NULL,
         ati28800_speed_changed,
         ati28800_force_redraw,
-        svga_add_status_info
+        ati28800_add_status_info
 };