From 14af55e03c5e4f5238d8eec6f83f8360405a7193 Mon Sep 17 00:00:00 2001
From: Peter Van Hoyweghen <N.A>
Date: Sun, 29 Nov 2015 20:46:41 +0100
Subject: [PATCH] Ensure that even 0x00000 causes a write of the extended
 address byte, for flash >128KB.

---
 firmware/isp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/firmware/isp.c b/firmware/isp.c
index 5e51bf0..7ab8e95 100755
--- a/firmware/isp.c
+++ b/firmware/isp.c
@@ -126,7 +126,7 @@ void ispConnect() {
 	}
 	
 	/* Initial extended address value */
-	isp_hiaddr = 0;
+	isp_hiaddr = 0xff;  /* ensure that even 0x00000 causes a write of the extended address byte */
 }
 
 void ispDisconnect() {