From e3f677fa37b3446ebf23ea8e42ee952cff0b1ccb Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Mon, 31 Jul 2017 22:21:46 -0400
Subject: [PATCH] I was under-counting row lines. Adjusted comparison. The
 emulator now produces a solid white square of approximately correct
 proportions. I'm sure that filling in pixels will reveal the next set of
 bugs.

---
 Components/6845/CRTC6845.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Components/6845/CRTC6845.hpp b/Components/6845/CRTC6845.hpp
index f2ef5b93b..97130dd2a 100644
--- a/Components/6845/CRTC6845.hpp
+++ b/Components/6845/CRTC6845.hpp
@@ -79,7 +79,6 @@ template <class T> class CRTC6845 {
 						}
 					} else {
 						// advance vertical counter
-						bus_state_.row_address++;
 						if(bus_state_.row_address == registers_[9]) {
 							line_address_ = bus_state_.refresh_address;
 							bus_state_.row_address = 0;
@@ -109,6 +108,7 @@ template <class T> class CRTC6845 {
 								line_counter_ = 0;
 							}
 						} else {
+							bus_state_.row_address++;
 							bus_state_.refresh_address = line_address_;
 						}
 					}