mirror of
https://github.com/forth-ev/VolksForth.git
synced 2024-07-10 05:29:03 +00:00
71 lines
1.7 KiB
Forth
71 lines
1.7 KiB
Forth
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\ *** Block No. 0, Hexblock 0
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\ Retro Forth Editor
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a simple forth-style editor
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use filename.fb :: open forth block file
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block# list :: list block
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v :: view current block
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x :: clear/zero block
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line# i text :: insert text at line
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line# d :: delete line
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n :: load next block
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p :: load previous block
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block# s :: load block
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e :: evaluate/load block
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\ *** Block No. 1, Hexblock 1
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\ RetroForth Editor for VolksForth 1/2 19july2020
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16 constant l/b
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: (block) scr @ block ; : (line) c/l * (block) + ;
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: row dup c/l -trailing type c/l + cr ;
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: .rows l/s 0 do i 2 u.r space row loop ;
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: .block ." BLOCK: " scr @ . space ;
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: +--- ." +---" ; : :--- ." :---" ;
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: x--- +--- :--- +--- :--- ;
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: --- space space space x--- x--- x--- x--- cr ;
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: vb --- scr @ block .rows drop --- ;
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: .stack ." Stack: " .s ;
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: status .block .stack ;
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: v cr vb status ;
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-->
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\ *** Block No. 2, Hexblock 2
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\ RetroForth Editor for VolksForth 2/2
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: v* update v ;
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: s dup scr ! block drop v ;
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: ia (line) + >r 10 parse r> swap move v* ;
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: i 0 swap ia ;
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: d (line) c/l bl fill v* ;
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: x (block) l/b c/l * bl fill v* ;
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: p -1 scr +! v ;
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: n 1 scr +! v ;
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: e scr @ load ;
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.( Retro Forth Editor loaded )
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\ *** Block No. 3, Hexblock 3
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: x (block) l/b c/l * bl fill v* ;
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: p -1 scr +! v ;
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: n 1 scr +! v ;
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: e scr @ load ;
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.( RetroForth Editor loaded )
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