From d5945fa1045cdc6e77abfa89c40591321548ba3b Mon Sep 17 00:00:00 2001
From: Stephen Crane <jscrane@gmail.com>
Date: Wed, 8 Jul 2020 15:25:30 +0100
Subject: [PATCH] no storage => can't checkpoint

---
 hw/esp8266-pwm.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/esp8266-pwm.h b/hw/esp8266-pwm.h
index 40967c2..de0eb4c 100644
--- a/hw/esp8266-pwm.h
+++ b/hw/esp8266-pwm.h
@@ -27,3 +27,5 @@
 #define PWM_SOUND	D2
 #define PWM_DUTY	20	// 20/1024 -> volume
 #define PWM_TOP		1024
+
+#define NO_CHECKPOINT	1