From 236f6832a3046d6d64e1e29e38a1998b83e3a62a Mon Sep 17 00:00:00 2001
From: Martin Preuss <martin@aquamaniac.de>
Date: Sat, 22 Mar 2025 12:59:35 +0100
Subject: [PATCH] avr: fixed a critical bug (don't decrement used bytes on
 peek!)

---
 avr/common/m_ringbuffer_y.asm | 2 --
 1 file changed, 2 deletions(-)

diff --git a/avr/common/m_ringbuffer_y.asm b/avr/common/m_ringbuffer_y.asm
index 31ca3c3..8c32e50 100644
--- a/avr/common/m_ringbuffer_y.asm
+++ b/avr/common/m_ringbuffer_y.asm
@@ -111,8 +111,6 @@ l_end:
   tst r17
   clc
   breq l_end
-  dec r17
-  std Y+@1, r17 ; usedBytes
   ldd r17, Y+@2 ; readPos
   mov xl, yl
   mov xh, yh