From d36311e4346ba56e97de4da0c4dfeabcbaa6d3b9 Mon Sep 17 00:00:00 2001
From: Vince Weaver <vincent.weaver@maine.edu>
Date: Fri, 24 Aug 2018 15:33:29 -0400
Subject: [PATCH] png2hgr: full row lookup table for HGR

---
 hgr-utils/png2hgr.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/hgr-utils/png2hgr.c b/hgr-utils/png2hgr.c
index 980a11f7..5cc581a6 100644
--- a/hgr-utils/png2hgr.c
+++ b/hgr-utils/png2hgr.c
@@ -247,10 +247,15 @@ static int hgr_offset_table[48]={
 
 static int hgr_offset(int y) {
 
-	int temp;
+	int temp,temp2,address;
 	temp=y/8;
+	temp2=y%8;
 
-	return hgr_offset_table[temp];
+	temp2=temp2*0x400;
+
+	address=hgr_offset_table[temp]+temp2;
+
+	return address;
 }
 
 static unsigned char apple2_image[8192];