From e33f1a82c439eb9eaa645da82d50bb48e50b7a48 Mon Sep 17 00:00:00 2001
From: Vince Weaver <vincent.weaver@maine.edu>
Date: Mon, 4 Apr 2022 13:50:15 -0400
Subject: [PATCH] lemm: fix bug where not erase on bottom half of screen

---
 games/lemm/hgr_partial_restore.s | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/games/lemm/hgr_partial_restore.s b/games/lemm/hgr_partial_restore.s
index a950513b..0d5cda71 100644
--- a/games/lemm/hgr_partial_restore.s
+++ b/games/lemm/hgr_partial_restore.s
@@ -11,8 +11,9 @@ hgr_partial_restore:
 	sta	partial_restore_x1_smc+1
 	stx	partial_restore_x2_smc+1
 
-	ldx	SAVED_Y2
-	bpl	partial_restore_yloop
+	ldx	SAVED_Y2			; handle wrap around
+	cpx	#192
+	bcc	partial_restore_yloop		; assume > 192 off screen negative
 	ldx	#0
 
 partial_restore_yloop: