retroforth/doc/RETRO_Cross_Reference.md

RETRO Cross Reference

Definitions

RETRO :name ; ANS : name ;

Numbers

RETRO #100 #-12 ANS 100 -12

Characters

RETRO $A $D ANS CHAR A CHAR D

RETRO :foo $A ; ANS : foo [CHAR] A ;

Comments

RETRO (This_is_a_comment) ANS ( This is a comment )

Pointers

RETRO &Compiler ANS ' Compiler RETRO :foo &Heap ; ANS : foo ['] Heap ;

Conditionals

RETRO (flag) [ 'TRUE ] if ANS ( flag ) IF s" TRUE" THEN

RETRO (flag) [ 'FALSE ] -if ANS ( flag ) NOT IF s" FALSE" THEN

RETRO (flag) [ 'TRUE ] [ 'FALSE ] choose ANS ( flag ) IF s" TRUE" ELSE s" FALSE" THEN

RETRO conditionals can be used outside of definitions, ANS ones can not.