From 1db17acc03a8302521d78bbba5d525b1137df1e9 Mon Sep 17 00:00:00 2001
From: Phil Hord <hordp@cisco.com>
Date: Sun, 10 Nov 2013 19:47:08 -0500
Subject: [PATCH] Simulator: don't try to schedule zero time.

---
 simulator/timer_ext.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/simulator/timer_ext.c b/simulator/timer_ext.c
index 345eb6f..6911d22 100644
--- a/simulator/timer_ext.c
+++ b/simulator/timer_ext.c
@@ -155,6 +155,9 @@ void sim_setTimer() {
 
   //-- Convert ticks to microseconds
   long actual = ((unsigned long)next) * TIME_SLOW_FACTOR / (1 US);
+  if ( next && !actual)
+    actual++;
+
   if (next) {
     sim_debug("OCR1A:%04X   OCR1B:%04X    now=%04X", OCR1A, OCR1B, now );
     sim_debug("              next=%u   real=%u", next, actual);