From f087d6d8656d03850d304f4ec1406a94c857dc10 Mon Sep 17 00:00:00 2001
From: James R <justsomejames2@gmail.com>
Date: Tue, 4 Apr 2023 22:08:43 -0700
Subject: [PATCH] ST_drawDebugInfo: fix displayplayers access out of bounds on
 startup

On startup, the cvar is not registered yet so the value
went negative subtracting from zero.
---
 src/st_stuff.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/st_stuff.c b/src/st_stuff.c
index a48d844d5..6c66d069d 100644
--- a/src/st_stuff.c
+++ b/src/st_stuff.c
@@ -438,8 +438,10 @@ void ST_drawDebugInfo(void)
 {
 	INT32 height = 192;
 
+	const UINT8 screen = cv_devmode_screen.value - 1;
+
 	// devmode_screen = 1..4
-	stplyr = &players[displayplayers[min(r_splitscreen, cv_devmode_screen.value - 1)]];
+	stplyr = &players[displayplayers[min(r_splitscreen, screen)]];
 
 	if (!stplyr->mo)
 		return;