From 43ac20cbd2ce9ca293a44e1749d741b8ac70f30c Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Mon, 7 Oct 2024 21:50:56 -0400
Subject: [PATCH] Fix non-interlaced frame length.

---
 Components/6845/CRTC6845.hpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Components/6845/CRTC6845.hpp b/Components/6845/CRTC6845.hpp
index ccf8d0b05..dfe402eea 100644
--- a/Components/6845/CRTC6845.hpp
+++ b/Components/6845/CRTC6845.hpp
@@ -262,8 +262,9 @@ template <class BusHandlerT, Personality personality, CursorType cursor_type> cl
 					}
 
 					if(character_reset_history_ & 4 && eom_latched_) {
-						is_in_adjustment_period_ |= adjustment_counter_ != (layout_.vertical.adjust + (odd_field_ ? 1 : 0));
-						eof_latched_ |= adjustment_counter_ == layout_.vertical.adjust;
+						const auto adjust_length = layout_.vertical.adjust + (layout_.interlace_mode_ != InterlaceMode::Off && odd_field_ ? 1 : 0);
+						is_in_adjustment_period_ |= adjustment_counter_ != adjust_length;
+						eof_latched_ |= adjustment_counter_ == adjust_length;
 					}
 
 				//