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52 lines
3.3 KiB
Plaintext
52 lines
3.3 KiB
Plaintext
Screen 0 not modified
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0 \\ Retro Forth Editor cas20130106
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1
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2 This is a port of the Retro Forth Editor from
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3 http://retroforth.org
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4
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5 Functions:
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6 <b> s Select a new block <b>
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7 p Previous block
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8 n Next block
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9 <l> i ... Insert ... into line <l>
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10 <c> <l> ia ... Insert ... into line <l> at column <c>
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11 x Clear (erase) the current block
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12 <l> Clear line <l>
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13 v Display current block
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14 e Evaluate (load) current block
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15
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Screen 1 not modified
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0 .( Retro Forth block editor volksForth Atari ST) \ cas20130106
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1 $10 constant l/b cr
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2 : (block) scr @ block ; : (line) c/l * (block) + ;
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3 : row dup c/l type c/l + cr ; : .rows l/b 0 do i . row loop ;
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4 : .block ." Block: " scr @ dup . updated? abs $2A + emit space ;
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5 : +--- ." +---" ; : :--- ." :---" ;
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6 : x--- +--- :--- +--- :--- ;
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7 : --- space space x--- x--- x--- x--- cr ;
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8 : vb --- scr @ block .rows drop --- ;
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9 : .stack ." Stack: " .s ; : status .block .stack ;
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10 : v cr vb status ; : v* update v ; : s dup scr ! block drop v ;
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11 : ia (line) + >r &10 parse r> swap move v* ;
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12 : i 0 swap ia ; : d (line) c/l bl fill v* ;
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13 : x (block) l/b c/l * bl fill v* ; : p -1 scr +! v ;
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14 : n 1 scr +! v ; : e scr @ load ;
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15 cr .( editor loaded ) cr
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