From 06b379bfb61b9ba9c31c5b9774605bdbee054b29 Mon Sep 17 00:00:00 2001
From: ga <ga@oldell.fish>
Date: Tue, 3 May 2022 08:55:48 +0100
Subject: [PATCH] Fix upstream #421 - "attiny13 doesn't work after
 f421abbabc712ad058f917c8e78d89122e8cd181".

---
 simavr/cores/sim_tiny13.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/simavr/cores/sim_tiny13.c b/simavr/cores/sim_tiny13.c
index 06017ed..1f8e12b 100644
--- a/simavr/cores/sim_tiny13.c
+++ b/simavr/cores/sim_tiny13.c
@@ -55,6 +55,7 @@ static const struct mcu_t {
 		/*
 		 * tiny13 has no extended fuse byte, so can not use DEFAULT_CORE macro
 		 */
+		.ioend  = RAMSTART - 1,
 		.ramend = RAMEND,
 		.flashend = FLASHEND,
 		.e2end = E2END,
-- 
2.39.5