From: Toni Wilen <twilen@winuae.net>
Date: Sun, 10 Dec 2023 16:45:52 +0000 (+0200)
Subject: Adjust hsync end in programmed modes.
X-Git-Tag: 5.1.0~18
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=5294fb6662ef0fbbfbe0e722d9ac4c9636388531;p=francis%2Fwinuae.git

Adjust hsync end in programmed modes.
---

diff --git a/custom.cpp b/custom.cpp
index 7aa57984..9cc74297 100644
--- a/custom.cpp
+++ b/custom.cpp
@@ -7162,7 +7162,7 @@ static void init_beamcon0(bool fakehz)
 			int hp2 = maxhpos * 2;
 			if (exthblank) {
 
-				int hb = 0;
+				int hb = 1;
 				int hbstrtx = (hbstrt & 0xff) * 2;
 				int hbstopx = (hbstop & 0xff) * 2;
 				if (aga_mode) {
@@ -7183,8 +7183,8 @@ static void init_beamcon0(bool fakehz)
 				if (hbstopx > hp2 / 2) {
 					hbstopx = 0;
 				}
-				if (hb < 0) {
-					hb = 0;
+				if (hb < 1) {
+					hb = 1;
 				}
 
 #if 0
@@ -7198,8 +7198,8 @@ static void init_beamcon0(bool fakehz)
 					hsz = hsstop - hsstrt;
 				}
 #endif
-				maxhpos_display = maxhpos - (hb / 2);
-				hsstop_detect = hbstopx;
+				maxhpos_display = maxhpos - ((hb + 1) / 2);
+				hsstop_detect = hbstopx - 1;
 
 			} else {