Added emulation of ATI Video Expression (Mach64 VT2).

src/ibm.h

@@ -442,6 +442,7 @@ enum
 	GFX_COLORPLUS,	/* Plantronics ColorPlus */
 	GFX_WY700,	/* Wyse 700 */
 	GFX_GENIUS,	/* MDSI Genius */
+        GFX_MACH64VT2,  /*ATI Mach64 VT2*/
         GFX_MAX
 };
 

src/vid_ati_mach64.h

@@ -1 +1,2 @@
 extern device_t mach64gx_device;
+extern device_t mach64vt2_device;

src/vid_svga.c

@@ -584,6 +584,8 @@ void svga_poll(void *p)
                 }
                 if (svga->vc == svga->dispend)
                 {
+                        if (svga->vblank_start)
+                                svga->vblank_start(svga);
 //                        pclog("VC dispend\n");
                         svga->dispon=0;
                         if (svga->crtc[10] & 0x20) svga->cursoron = 0;

src/vid_svga.h

@@ -86,8 +86,9 @@ typedef struct svga_t
                 int ena;
                 int x, y;
                 int xoff, yoff;
-                int ysize;
+                int xsize, ysize;
                 uint32_t addr;
+                uint32_t pitch;
                 int v_acc, h_acc;
         } hwcursor, hwcursor_latch, overlay, overlay_latch;
         
@@ -107,6 +108,8 @@ typedef struct svga_t
 
         void (*overlay_draw)(struct svga_t *svga, int displine);
         
+        void (*vblank_start)(struct svga_t *svga);
+        
         /*If set then another device is driving the monitor output and the SVGA
           card should not attempt to display anything */
         int override;

src/video.c

@@ -53,6 +53,7 @@ typedef struct
 static VIDEO_CARD video_cards[] =
 {
         {"ATI Graphics Pro Turbo (Mach64 GX)",     "mach64gx",       &mach64gx_device,            GFX_MACH64GX},
+        {"ATI Video Xpression (Mach64 VT2)",       "mach64vt2",      &mach64vt2_device,           GFX_MACH64VT2},
         {"ATI VGA Charger (ATI-28800)",            "ati28800",       &ati28800_device,            GFX_VGACHARGER},
         {"ATI VGA Edge-16 (ATI-18800)",            "ati18800",       &ati18800_device,            GFX_VGAEDGE16},
         {"CGA",                                    "cga",            &cga_device,                 GFX_CGA},