From: Brett Gordon <beretta42@gmail.com>
Date: Wed, 14 Oct 2015 20:40:17 +0000 (-0400)
Subject: coco3: reset vert scroll reg on boot.
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=682729bae72db56c74d01682f0d12efdf6a1d5ea;p=FUZIX.git

coco3: reset vert scroll reg on boot.
---

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