X-Git-Url: https://git.rrq.au/?a=blobdiff_plain;f=adoc%2Fp_dup.adoc;h=f8ac7f181cad76d8c4417bddc8e292c838940b80;hb=bfb48545dd4310c422007dfc1dc3b9eb2897d125;hp=8f2a8c4d29597daaffe7dbaf6b172b8e074fcf40;hpb=b7da3f7bbd1cb10241163abdb950472e539e796d;p=rrq%2Frrqforth.git

diff --git a/adoc/p_dup.adoc b/adoc/p_dup.adoc
index 8f2a8c4..f8ac7f1 100644
--- a/adoc/p_dup.adoc
+++ b/adoc/p_dup.adoc
@@ -1,9 +1,12 @@
+// stack.asm:	WORD p_dup, 'DUP',fasm
+
 anchor:p_dup[]
 
-Word: DUP
-----------
+=== Word: DUP
+
+....
+Data stack: ( v -- v v )
+....
 
-----
-stack.asm:	WORD p_dup, 'DUP',fasm
-----
+"DUP" is a function word that duplicates the top stack cell.