From 94e0cce89be8bf6913c9a1bafd312b14d51aaa2b Mon Sep 17 00:00:00 2001
From: Markus Hitter <mah@jump-ing.de>
Date: Thu, 30 Sep 2010 21:19:09 +0200
Subject: [PATCH] Don't set the timer on nullmoves, as dda->c isn't
 initialized, then.

---
 dda.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/dda.c b/dda.c
index 5b7ef8c..857076e 100644
--- a/dda.c
+++ b/dda.c
@@ -307,6 +307,7 @@ void dda_start(DDA *dda) {
 	if (dda->nullmove) {
 		// just change speed?
 		current_position.F = dda->endpoint.F;
+		// keep dda->live = 0
 	}
 	else {
 		if (dda->waitfor_temp) {
@@ -326,10 +327,10 @@ void dda_start(DDA *dda) {
 
 		// ensure this dda starts
 		dda->live = 1;
-	}
 
-	// set timeout for first step
-	setTimer(dda->c >> 8);
+		// set timeout for first step
+		setTimer(dda->c >> 8);
+	}
 }
 
 /*