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+\ VFX like modules based on Forth-94 wordlists uho 2016-04-16
+\ ----------------------------------------------------------------
+\ http://theforth.net/package/modules
+\ http://theforth.net/package/modules/current-view/glossary.md
+
+\ modified for amforth (@ -> @i for numbers kept in the dictionary )
+
+\ #require set-order.frt
+\ #require get-order.frt
+\ #require previous.frt
+
+: module ( <name> -- old-current )
+ get-current wordlist create dup >r ,
+ get-order r@ swap 1+ set-order
+ r> set-current ;
+
+: export ( <name> old-current -- old-currrent )
+ >r >in @ ' swap >in ! ( -- 'name )
+ get-current r@ set-current ( -- 'name current )
+ create swap , set-current r>
+ does> @i execute ;
+
+: expose-module ( <name> -- )
+ get-order ' >body @i swap 1+ set-order ;
+
+: end-module ( old-current -- )
+ set-current previous ;
+