From d3fddb430a18553d65015f40348666e5160ef107 Mon Sep 17 00:00:00 2001
From: Joshua Davidson <joshuadavidson2000@gmail.com>
Date: Tue, 20 Jun 2017 23:25:51 -0400
Subject: [PATCH] A3XX: Update FMA for TRACK

---
 Nasal/PFD_FMA.nas | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/Nasal/PFD_FMA.nas b/Nasal/PFD_FMA.nas
index 17be541c..f2c95831 100644
--- a/Nasal/PFD_FMA.nas
+++ b/Nasal/PFD_FMA.nas
@@ -52,14 +52,32 @@ setlistener("/it-autoflight/output/thr-mode", func {
 	speedmach();
 });
 
+var hdgmde = func {
+	var lat = getprop("/it-autoflight/mode/lat");
+	var newlat = getprop("/modes/pfd/fma/roll-mode");
+	var trk = getprop("/it-autoflight/custom/trk-fpa");
+	if (lat == "HDG" and trk == 0) {
+		if (newlat != "HDG") {
+			setprop("/modes/pfd/fma/roll-mode", "HDG");
+		}
+	} else if (lat == "HDG" and trk == 1) {
+		if (newlat != "TRACK") {
+			setprop("/modes/pfd/fma/roll-mode", "TRACK");
+		}
+	}
+}
+
+# HDG/TRK
+setlistener("/it-autoflight/custom/trk-fpa", func {
+	hdgmde();
+});
+
 # Master Lateral
 setlistener("/it-autoflight/mode/lat", func {
 	var lat = getprop("/it-autoflight/mode/lat");
 	var newlat = getprop("/modes/pfd/fma/roll-mode");
 	if (lat == "HDG") {
-		if (newlat != "HDG") {
-			setprop("/modes/pfd/fma/roll-mode", "HDG");
-		}
+		hdgmde();
 	} else if (lat == "LNAV") {
 		if (newlat != "NAV") {
 			setprop("/modes/pfd/fma/roll-mode", "NAV");