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1 line
3.6 KiB
Plaintext
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\ Retro Forth Editor a simple forth-style editor use filename.fb :: open forth block file block# list :: list block v :: view current block x :: clear/zero block line# i text :: insert text at line line# d :: delete line n :: load next block p :: load previous block block# s :: load block e :: evaluate/load block \ RetroForth Editor for VolksForth 1/2 16 constant l/b : (block) scr @ block ; : (line) c/l * (block) + ; : row dup c/l -trailing type c/l + cr ; : .rows l/s 0 do i . row loop ; : .block ." BLOCK: " scr @ . space ; : +--- ." +---" ; : :--- ." :---" ; : x--- +--- :--- +--- :--- ; : --- space space x--- x--- x--- x--- cr ; : vb --- scr @ block .rows drop --- ; : .stack ." Stack: " .s ; : status .block .stack ; : v cr vb status ; --> \ RetroForth Editor for VolksForth 2/2 : v* update v ; : s dup scr ! block drop v ; : ia (line) + >r 10 parse r> swap move v* ; : i 0 swap ia v* ; : d (line) c/l bl fill v* ; : x (block) l/b c/l * bl fill v* ; : p -1 scr +! v ; : n 1 scr +! v ; : e scr @ load ; .( Retro Forth Editor loaded ) : x (block) l/b c/l * bl fill v* ; : p -1 scr +! v ; : n 1 scr +! v ; : e scr @ load ; .( RetroForth Editor loaded )
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