mirror of
https://github.com/forth-ev/VolksForth.git
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52 lines
3.1 KiB
Forth
52 lines
3.1 KiB
Forth
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\ *** Block No. 0 Hexblock 0
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\\ Retro Forth Editor cas20130106
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This is a port of the Retro Forth Editor from
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http://retroforth.org
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Functions:
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<b> s Select a new block <b>
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p Previous block
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n Next block
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<l> i ... Insert ... into line <l>
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<c> <l> ia ... Insert ... into line <l> at column <c>
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x Clear (erase) the current block
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<l> Clear line <l>
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v Display current block
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e Evaluate (load) current block
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\ *** Block No. 1 Hexblock 1
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.( Retro Forth block editor volksForth Atari ST) \ cas20130106
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$10 constant l/b cr
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: (block) scr @ block ; : (line) c/l * (block) + ;
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: row dup c/l type c/l + cr ; : .rows l/b 0 do i . row loop ;
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: .block ." Block: " scr @ dup . updated? abs $2A + emit space ;
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: +--- ." +---" ; : :--- ." :---" ;
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: x--- +--- :--- +--- :--- ;
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: --- space space x--- x--- x--- x--- cr ;
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: vb --- scr @ block .rows drop --- ;
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: .stack ." Stack: " .s ; : status .block .stack ;
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: v cr vb status ; : v* update v ; : 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 ; : d (line) c/l bl fill v* ;
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: x (block) l/b c/l * bl fill v* ; : p -1 scr +! v ;
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: n 1 scr +! v ; : e scr @ load ;
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cr .( editor loaded ) cr
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\ *** Block No. 2 Hexblock 2
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