Add ATI EGA Wonder 800+ emulation.

2019-12-19 11:24:08 +00:00 · 2019-12-19 11:24:08 +00:00 · 2489fd9c6e
commit 2489fd9c6e
parent 2c6b130ec8
7 changed files with 140 additions and 3 deletions
--- a/src/vid_svga.c
+++ b/src/vid_svga.c
@ -582,6 +582,11 @@ void svga_poll(void *p)
                                svga->ma = svga->maback;
                        }
                }
+                svga->hsync_divisor = !svga->hsync_divisor;
+                
+                if (svga->hsync_divisor && (svga->crtc[0x17] & 4))
+                        return;
+
                svga->vc++;
                svga->vc &= 2047;

@ -1296,7 +1301,10 @@ void svga_doblit(int y1, int y2, int wx, int wy, svga_t *svga)
                if (xsize<64) xsize=656;
                if (ysize<32) ysize=200;

-                updatewindowsize(xsize,ysize);
+                if (svga->vertical_linedbl)
+                        updatewindowsize(xsize,ysize*2);
+                else
+                        updatewindowsize(xsize,ysize);
        }
        if (vid_resize)
        {