using IFAGAIN instead

[rrq/rrqforth.git] / adoc / p_dup.adoc

diff --git a/adoc/p_dup.adoc b/adoc/p_dup.adoc
index 8f2a8c4d29597daaffe7dbaf6b172b8e074fcf40..f8ac7f181cad76d8c4417bddc8e292c838940b80 100644 (file)
--- 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.