From: Toni Wilen <twilen@winuae.net>
Date: Wed, 13 Mar 2024 18:28:50 +0000 (+0200)
Subject: NCR SVGA interrupt fix
X-Git-Tag: 5300~91
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=e5768f53c3f2db11122b083c3493bce2937eaaa7;p=francis%2Fwinuae.git

NCR SVGA interrupt fix
---

diff --git a/pcem/vid_ncr.cpp b/pcem/vid_ncr.cpp
index 557abc9f..854ef5e9 100644
--- a/pcem/vid_ncr.cpp
+++ b/pcem/vid_ncr.cpp
@@ -78,7 +78,7 @@ void ncr_updatebanking(ncr_t*);
 
 static int ncr_vga_vsync_enabled(ncr_t *ncr)
 {
-    if (!(ncr->svga.crtc[0x11] & 0x20) && ncr->vblank_irq > 0)
+    if (!(ncr->svga.crtc[0x11] & 0x20) && (ncr->svga.crtc[0x17] & 0x80) && ncr->vblank_irq > 0)
         return 1;
     return 0;
 }