From 6ceae74e4a8f1ef4fbf24ec7d87ea81292147d23 Mon Sep 17 00:00:00 2001
From: BigEd <ed.spittles@gmail.com>
Date: Sat, 2 Apr 2011 07:57:15 +0000
Subject: [PATCH] 6800 fixup single stepping

---
 chip-6800/support.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/chip-6800/support.js b/chip-6800/support.js
index 2df2d36..88a9447 100644
--- a/chip-6800/support.js
+++ b/chip-6800/support.js
@@ -50,6 +50,19 @@ function halfStep(){
 	else {setHigh('phi1'); setLow('phi1'); setHigh('phi2'); setHigh('dbe'); handleBusWrite();}
 }
 
+function goUntilSyncOrWrite(){
+	halfStep();
+	cycle++;
+	while(
+		!isNodeHigh(nodenames['phi2']) ||
+		( !isNodeHigh(nodenames['sync']) && isNodeHigh(nodenames['rw']) )
+	) {
+		halfStep();
+		cycle++;
+	}
+	chipStatus();
+}
+
 function initChip(){
         var start = now();
 	for(var nn in nodes) {