From ec2295219d5aa69c6f21f4752d21508e3313e5a0 Mon Sep 17 00:00:00 2001
From: Harald Barth <haba@kth.se>
Date: Sat, 24 Jul 2021 23:44:24 +0200
Subject: [PATCH] 3rd arg of Z is bitfield

---
 DCCEXParser.cpp | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/DCCEXParser.cpp b/DCCEXParser.cpp
index 29e7074..a2086c9 100644
--- a/DCCEXParser.cpp
+++ b/DCCEXParser.cpp
@@ -578,12 +578,10 @@ bool DCCEXParser::parseZ(Print *stream, int16_t params, int16_t p[])
     }
         return true;
 
-    case 3: // <Z ID PIN INVERT>
-        if (p[0] < 0)
-	  return false;
-	if (p[1] > 255 || p[1] < 0)
-	  return false;
-	if (!(p[2] == 0 || p[2] == 1))
+    case 3: // <Z ID PIN IFLAG>
+        if (p[0] < 0 ||
+	    p[1] > 255 || p[1] < 0 ||
+	    p[2] <   0 || p[2] > 7 )
 	  return false;
         if (!Output::create(p[0], p[1], p[2], 1))
           return false;