From a59493f33305b8d7d01202d173f716d7fd92755b Mon Sep 17 00:00:00 2001
From: stefanrueger <stefan.rueger@urclocks.com>
Date: Tue, 23 Jan 2024 22:12:48 +1300
Subject: [PATCH] Fix upload of one-byte files to flash

---
 src/avr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/avr.c b/src/avr.c
index 14310d90..5617f893 100644
--- a/src/avr.c
+++ b/src/avr.c
@@ -308,7 +308,7 @@ int avr_mem_hiaddr(const AVRMEM * mem)
 
   /* return the highest non-0xff address regardless of how much
      memory was read */
-  for (i=mem->size-1; i>0; i--) {
+  for (i = mem->size-1; i >= 0; i--) {
     if (mem->buf[i] != 0xff) {
       n = i+1;
       if (n & 0x01)