\author Charles R. Childers
\title ANS Compatibility Layer for RetroForth
\copyright (pd)2006
\format-html rdml.css

\t Overview
\p This document attempts to cover the ANS CORE compatibility
   layer for RetroForth.

\t Significant Differences
\p 1. No support for CAPITALIZED names of words
\br 2. \i find \i >in and \i >number all differ from the ANS spec

\t The list

\pre
\n Word         Implemented in
\n ===========  ==============
\n !            Rx
\n #            ---
\n #>           ---
\n #s           ---
\n '            Rx
\n (            Rx
\n *            Rx
\n */           Library
\n */mod        Library
\n +            Rx
\n +!           Rx 
\n +loop        ---
\n ,            Rx
\n -            Rx
\n .            Rx
\n ."           Rx
\n /            Rx
\n /mod         Rx
\n 0<           Library
\n 0=           Library
\n 1+           Rx
\n 1-           Rx
\n 2!           Library
\n 2*           Library
\n 2/           Library
\n 2@           Library
\n 2dup         Rx
\n 2drop        Rx
\n 2over        Library
\n 2swap        Library
\n :            Rx
\n ;            Rx
\n <            Rx
\n <#           ---
\n =            Rx
\n >            Rx
\n >body        Library
\n >in          xxx
\n >number      xxx
\n >r           Rx
\n ?dup         Library
\n @            Rx
\n abort        Library
\n abort"       ---
\n abs          Library
\n accept       Retro
\n aligned      Library
\n align        Library
\n allot        Rx
\n and          Rx 
\n base         Rx
\n begin        Library
\n bl           Library
\n c!           Rx
\n c,           Library
\n c@           Rx
\n cell+        Rx
\n cells        Rx
\n char         Library (see [char])
\n char+        Library
\n chars        Library
\n constant     Rx 
\n count        Rx 
\n cr           Retro
\n create       Rx 
\n decimal      Rx
\n depth        Library
\n do           Library
\n does>        Retro
\n drop         Rx
\n dup          Rx
\n else         Library
\n emit         Retro
\n environment? Library
\n evaluate     ---
\n execute      Rx 
\n exit         Library
\n fill         Rx 
\n find         ---
\n fm/mod       Library
\n here         Rx
\n hold         ---
\n i            Library
\n if           Rx
\n immediate    Library
\n invert       Library
\n j            Library
\n key          Retro
\n leave        Library
\n literal      Rx
\n loop         Library
\n lshift       Library
\n m*           Library
\n max          Library
\n min          Library
\n mod          Rx
\n move         Rx 
\n negate       Rx
\n or           Rx 
\n over         Rx
\n postpone     Library 
\n quit         Library
\n r>           Rx
\n r@           Library
\n recurse      Library
\n repeat       Library
\n rot          Rx
\n rshift       Library
\n s"           Rx
\n s>d          Library
\n sign         ---
\n sm/rem       Library
\n source       ---
\n space        Retro
\n spaces       Retro
\n state        Rx
\n swap         Rx
\n then         Rx
\n type         Retro
\n u.           Retro
\n u<           ---
\n um*          Library
\n um/mod       Library
\n unloop       ---
\n until        Library
\n variable     Rx 
\n while        Library
\n word         Library
\n xor          Rx 
\n [            Rx
\n [']          Rx
\n [char]       Library
\n ]            Rx
\-pre

\end