X-Git-Url: http://git.subgeniuskitty.com/pforth/.git/blobdiff_plain/3678daaf90c4314d1475d057909ae3f44abc8934..0b1e24898c41afa1f07854c295881b23aa2faea6:/fth/system.fth

diff --git a/fth/system.fth b/fth/system.fth
index c33f40b..48572cf 100644
--- a/fth/system.fth
+++ b/fth/system.fth
@@ -26,7 +26,7 @@
 \ Based on HMSL Forth
 \
 \ Author: Phil Burk
-\ Copyright 1994 3DO, Phil Burk, Larry Polansky, Devid Rosenboom
+\ Copyright 1994 3DO, Phil Burk, Larry Polansky, David Rosenboom
 \
 \ The pForth software code is dedicated to the public domain,
 \ and any third party may reproduce, distribute and modify
@@ -360,6 +360,18 @@
         2* swap
 ;
 
+: D= ( xd1 xd2 -- flag )
+	rot = -rot = and
+;
+
+: D< ( d1 d2 -- flag )
+    d- nip 0<
+;
+
+: D> ( d1 d2 -- flag )
+    2swap d<
+;
+
 \ define some useful constants ------------------------------
 1 0= constant FALSE
 0 0= constant TRUE