From 682729bae72db56c74d01682f0d12efdf6a1d5ea Mon Sep 17 00:00:00 2001
From: Brett Gordon <beretta42@gmail.com>
Date: Wed, 14 Oct 2015 16:40:17 -0400
Subject: [PATCH] coco3: reset vert scroll reg on boot.

---
 Kernel/platform-coco3/coco3.s | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Kernel/platform-coco3/coco3.s b/Kernel/platform-coco3/coco3.s
index cde88c35..1a52ba38 100644
--- a/Kernel/platform-coco3/coco3.s
+++ b/Kernel/platform-coco3/coco3.s
@@ -142,6 +142,7 @@ b@	sta	,x+
 	decb
 	bne	b@
         ;; set temporary screen up
+	clr	$ff9c		; reset scroll register
 	ldb	#%01000100	; coco3 mode
 	stb	$ff90
 	;; detect PAL or NTSC ROM
-- 
2.34.1