From daf51b54744830b5bf78bcec8fd7e7b5880923ac Mon Sep 17 00:00:00 2001
From: Vince Weaver <vince@deater.net>
Date: Wed, 21 Feb 2018 22:50:55 -0500
Subject: [PATCH] chiptune_player: fix box drawing

buffer overlow in filename spacing code turned the first char
of the hlin_double routine to be a ldy instruction, calling the
left bounds to go to zero.  A pain to track down.
---
 asm_routines/dos33_routines.s | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/asm_routines/dos33_routines.s b/asm_routines/dos33_routines.s
index db05df04..d96201c0 100644
--- a/asm_routines/dos33_routines.s
+++ b/asm_routines/dos33_routines.s
@@ -73,7 +73,7 @@ filename_pad_spaces:
 	lda	#$A0			; filename needs ' ' padded
 	sta	(OUTL),y
 	iny
-	cpy	#31			; fill 30 bytes
+	cpy	#30			; fill 30 bytes
 	bne	filename_pad_spaces