From 2457ff050fe0b188a309e471097aec49e875e074 Mon Sep 17 00:00:00 2001
From: SarahW <SarahW@localhost>
Date: Mon, 1 Aug 2016 16:29:51 +0100
Subject: [PATCH] Fixed vblank start on ET4000 - now displays 1280x1024
 correctly.

---
 src/vid_et4000.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/vid_et4000.c b/src/vid_et4000.c
index db8438e..dfdde8d 100644
--- a/src/vid_et4000.c
+++ b/src/vid_et4000.c
@@ -115,6 +115,7 @@ void et4000_recalctimings(svga_t *svga)
         et4000_t *et4000 = (et4000_t *)svga->p;
 
         svga->ma_latch |= (svga->crtc[0x33]&3)<<16;
+        if (svga->crtc[0x35] & 1)    svga->vblankstart += 0x400;
         if (svga->crtc[0x35] & 2)    svga->vtotal += 0x400;
         if (svga->crtc[0x35] & 4)    svga->dispend += 0x400;
         if (svga->crtc[0x35] & 8)    svga->vsyncstart += 0x400;