From 8f37dff7297d6a5df9a2619819010c7d4c8f4db9 Mon Sep 17 00:00:00 2001
From: robjustice <j.robert.justice@gmail.com>
Date: Fri, 9 Jul 2021 08:16:58 +1000
Subject: [PATCH] report error if high/low byte address offsets used

---
 a3driverutil.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/a3driverutil.py b/a3driverutil.py
index 5d499ac..11d18b5 100644
--- a/a3driverutil.py
+++ b/a3driverutil.py
@@ -228,6 +228,10 @@ def convert_o65(file):
                     offset_address = offset_address + offset
                     reloctable.append(offset_address)
                     offset = readUnpack(o65file,1,type = '1')
+                else:
+                    print 'Error, only 16 bit word offsets allowed, ie no lda #<address or lda #>address'
+                    o65file.close()
+                    exit()
         
         #add the length of the relocation table
         driver += pack('<H',len(reloctable)*2)    #this is the length of the relocate part in bytes