mirror of
https://github.com/forth-ev/VolksForth.git
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715 lines
46 KiB
Plaintext
715 lines
46 KiB
Plaintext
Screen 0 not modified
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0 volksFORTH Full-Screen-Editor HELP Screen cas 11nov05
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1
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2 Quit Editor : flushed: ESC updated: ^E
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3 discard changes : ^U (UNDO)
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4 move cursor : Cursorkeys (delete with DEL or <- )
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5 insert : INS (toggle), ^ENTER (insert Screen)
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6 Tabs : TAB (to right), SHIFT TAB (to left)
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7 paging : Pg Dn (next screen), Pg Up (previous scr)
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8 : F9 (alternate), SHIFT F9 (shadow scr)
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9 mark alternate Scr. : F10
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10 delete/insert line : ^Y (delete), ^N (insert)
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11 split line : ^PgDn (split), ^PgUp (join)
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12 search and replace : F2 (stop with ESC, replace with 'R' )
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13 linebuffer : F3 (push&delete), F5 (push), F7 (pop)
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14 charbuffer : F4 (push&delete), F6 (push), F8 (pop)
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15 misc : ^F (Fix), ^L (Showload), ^S (Screen #)
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Screen 1 not modified
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0 --> \ Full-Screen Editor cas 10nov05
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1 This is the Full-Screen Editor for MS-DOS volksFORTH
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2
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3 Features: Line- and Char-Buffer, Find- and Replace, Support for
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4 "Shadow-Screens", View Function and loading of screens with
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5 visual feedback (showload)
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6
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7 The Keybinding can be easily changed by using the integrated
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8 Keytable.
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9
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10
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11 Ported to the MS-DOS volksFORTH by K.Schleisiek on 22 dez 87
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12 Original design by Ullrich Hoffmann
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13
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14
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15
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Screen 2 not modified
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0 \ Load Screen for the Editor cas 10nov05
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1
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2 Onlyforth \needs Assembler 2 loadfrom asm.scr
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3
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4 3 load \ PC adaption
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5 4 9 thru \ Editor
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6
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7 \ &10 load \ ANSI display interface
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8 \ &11 load \ BIOS display interface
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9 &12 load \ MULTItasking display interface
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10
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11 &13 &39 thru \ Editor
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12
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13 Onlyforth .( Screen Editor loaded ) cr
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14
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15
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Screen 3 not modified
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0 \ BIM adaption UH 11dez88
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1
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2 | : ?range ( n -- n ) isfile@ 0=exit dup 0< 9 and ?diskerror
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3 dup capacity - 1+ 0 max ?dup 0=exit more ;
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4 | : block ( n -- adr ) ?range block ;
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5
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6 $1B Constant #esc
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7
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8 : curon &11 &12 curshape ;
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9
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10 : curoff &14 dup curshape ;
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11
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12 Variable caps caps off
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13
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14 Label ?capital 1 # caps #) byte test
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15 0= ?[ (capital # jmp ]? ret end-code
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Screen 4 not modified
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0 \ search delete insert replace ks 20 dez 87
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1
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2 | : delete ( buffer size count -- )
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3 over min >r r@ - ( left over ) dup 0>
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4 IF 2dup swap dup r@ + -rot swap cmove THEN
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5 + r> bl fill ;
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6
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7 | : insert ( string length buffer size -- )
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8 rot over min >r r@ - ( left over )
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9 over dup r@ + rot cmove> r> cmove ;
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10
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11 | : replace ( string length buffer size -- )
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12 rot min cmove ;
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13
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14
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15
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Screen 5 not modified
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0 \ usefull definitions and Editor vocabulary UH 11mai88
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1
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2 Vocabulary Editor
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3
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4 ' Forth | Alias [F] immediate
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5 ' Editor | Alias [E] immediate
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6
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7 Editor also definitions
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8
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9 | : c ( n --) \ moves cyclic thru the screen
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10 r# @ + b/blk mod r# ! ;
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11
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12 | Variable r#' r#' off
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13 | Variable scr' scr' off
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14 ' fromfile | Alias isfile'
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15 | Variable lastfile | Variable lastscr | Variable lastr#
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Screen 6 not modified
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0 \\ move cursor with position-checking ks 18 dez 87
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1 \ different versions of cursor positioning error reporting
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2
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3 | : c ( n --) \ checks the cursor position
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4 r# @ + dup 0 b/blk uwithin not
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5 Abort" There is a border!" r# ! ;
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6
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7 | : c ( n --) \ goes thru the screens
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8 r# @ + dup b/blk 1- > IF 1 scr +! THEN
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9 dup 0< IF -1 scr +! THEN b/blk mod r# ! ;
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10
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11 | : c ( n --) \ moves cyclic thru the screen
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12 r# @ + b/blk mod r# ! ;
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13
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14
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15
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Screen 7 not modified
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0 \ calculate addresses ks 20 dez 87
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1 | : *line ( l -- adr ) c/l * ;
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2 | : /line ( n -- c l ) c/l /mod ;
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3 | : top ( -- ) r# off ;
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4 | : cursor ( -- n ) r# @ ;
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5 | : 'start ( -- adr ) scr @ block ;
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6 | : 'end ( -- adr ) 'start b/blk + ;
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7 | : 'cursor ( -- adr ) 'start cursor + ;
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8 | : position ( -- c l ) cursor /line ;
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9 | : line# ( -- l ) position nip ;
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10 | : col# ( -- c ) position drop ;
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11 | : 'line ( -- adr ) 'start line# *line + ;
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12 | : 'line-end ( -- adr ) 'line c/l + 1- ;
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13 | : #after ( -- n ) c/l col# - ;
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14 | : #remaining ( -- n ) b/blk cursor - ;
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15 | : #end ( -- n ) b/blk line# *line - ;
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Screen 8 not modified
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0 \ move cursor directed UH 11dez88
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1 | Create >at 0 , 0 ,
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2 | : curup c/l negate c ;
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3 | : curdown c/l c ;
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4 | : curleft -1 c ;
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5 | : curright 1 c ;
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6
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7 | : +tab ( 1/4 -> ) cursor $10 / 1+ $10 * cursor - c ;
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8 | : -tab ( 1/8 <- ) cursor 8 mod negate dup 0= 8 * + c ;
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9
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10 | : >last ( adr len -- ) -trailing nip b/blk min r# ! ;
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11 | : <cr> #after c ;
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12 | : <line ( -- ) col# negate c 'line c/l -trailing nip 0=exit
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13 BEGIN 'cursor c@ bl = WHILE curright REPEAT ;
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14 | : line> ( -- ) 'start line# 1+ *line 1- >last ;
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15 | : >""end ( -- ) 'start b/blk >last ;
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Screen 9 not modified
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0 \ show border UH 29Sep87
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1
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2 &14 | Constant dx 1 | Constant dy
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3
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4 | : horizontal ( row eck1 eck2 -- row' )
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5 rot dup >r dx 1- at swap emit
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6 c/l 0 DO Ascii - emit LOOP emit r> 1+ ;
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7
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8 | : vertical ( row -- row' )
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9 l/s 0 DO dup dx 1- at Ascii | emit
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10 row dx c/l + at Ascii | emit 1+ LOOP ;
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11
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12 | : border dy 1- Ascii / Ascii \ horizontal
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13 vertical Ascii \ Ascii / horizontal drop ;
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14
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15 | : edit-at ( -- ) position swap dy dx d+ at ;
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Screen 10 not modified
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0 \ ANSI display interface ks 03 feb 88
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1
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2
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3
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4
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5
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6
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7
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8 | : redisplay ( line# -- )
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9 dup dy + dx at *line 'start + c/l type ;
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10
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11 | : (done ( -- ) ; immediate
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12
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13
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14 | : install-screen ( -- ) l/s 6 + 0 >at 2! page ;
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15
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Screen 11 not modified
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0 \ BIOS-display interface ks 03 feb 88
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1 | Code (.line ( line addr videoseg -- )
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2 A pop W pop I push E: push D E: mov
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3 $0E # W add W W add A I xchg c/l # C mov
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4 attribut #) A+ mov [[ byte lods stos C0= ?]
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5 E: pop I pop D pop Next end-code
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6
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7
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8 | : redisplay ( line# -- )
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9 dup 1+ c/row * swap c/l * 'start + video@ (.line ;
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10
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11 | : (done ( -- ) ; immediate
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12
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13
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14 | : install-screen ( -- ) l/s 6 + 0 >at 2! page ;
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15
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Screen 12 not modified
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0 \ MULTI-display interface ks UH 10Sep87
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1 | Code (.line ( line addr videoseg -- )
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2 C pop W pop I push E: push D E: mov
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3 $0E # W add W W add u' area U D) I mov
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4 u' catt I D) A+ mov C I mov
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5 c/l # C mov [[ byte lods stos C0= ?]
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6 E: pop I pop D pop Next end-code
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7
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8 | : redisplay ( line# -- )
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9 dup 1+ c/row * swap c/l * 'start + video@ (.line ;
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10
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11 | : (done ( -- ) line# 2+ c/col 2- window ;
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12
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13 | : cleartop ( -- ) 0 l/s 5 + window (page ;
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14 | : install-screen ( -- ) row l/s 6 + u<
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15 IF l/s 6 + 0 full page ELSE at? cleartop THEN >at 2! ;
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Screen 13 not modified
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0 \ display screen UH 11mai88
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1 Forth definitions
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2 : updated? ( -- f) 'start 2- @ 0< ;
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3 Editor definitions
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4 | : .updated ( -- ) 9 0 at
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5 updated? IF 4 spaces ELSE ." not " THEN ." updated" ;
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6
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7 | : .screen l/s 0 DO I redisplay LOOP ;
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8 \ | : .file ( fcb -- )
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9 \ ?dup IF body> >name .name exit THEN ." direct" ;
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10 | : .title [ DOS ] 1 0 at isfile@ .file dx 1- tab
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11 2 0 at drv (.drv scr @ 6 .r
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12 4 0 at fromfile @ .file dx 1- tab
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13 5 0 at fswap drv (.drv scr' @ 6 .r fswap .updated ;
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14
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15 | : .all .title .screen ;
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Screen 14 not modified
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0 \ check errors UH 02Nov86
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1
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2 | : ?bottom ( -- ) 'end c/l - c/l -trailing nip
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3 Abort" You would lose a line" ;
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4
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5 | : ?fit ( n -- ) 'line c/l -trailing nip + c/l >
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6 IF line# redisplay
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7 true Abort" You would lose a char" THEN ;
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8
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9 | : ?end 1 ?fit ;
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10
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11
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12
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13
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14
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15
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Screen 15 not modified
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0 \ programmer's id ks 18 dez 87
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1
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2 $12 | Constant id-len
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3 Create id id-len allot id id-len erase
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4
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5 | : stamp ( -- ) id 1+ count 'start c/l + over - swap cmove ;
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6
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7 | : ?stamp ( -- ) updated? IF stamp THEN ;
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8
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9 | : ## ( n -- ) base push decimal 0 <# # # #> id 1+ attach ;
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10
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11 | : get-id ( -- ) id c@ ?exit ID on
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12 cr ." Enter your ID : " at? 3 0 DO Ascii . emit LOOP at
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13 id 2+ 3 expect normal span @ dup id 1+ c! 0=exit
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14 bl id 1+ append date@ rot ## swap >months id 1+ attach ## ;
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15
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Screen 16 not modified
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0 \ update screen-display UH 28Aug87
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1
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2 | : emptybuf prev @ 2+ dup on 4+ off ;
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3
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4 | : undo emptybuf .all ;
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5
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6 | : modified updated? ?exit update .updated ;
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7
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8 | : linemodified modified line# redisplay ;
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9
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10 | : screenmodified modified
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11 l/s line# ?DO I redisplay LOOP ;
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12
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13 | : .modified ( -- ) >at 2@ at space scr @ .
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14 updated? not IF ." un" THEN ." modified" ?stamp ;
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15
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Screen 17 not modified
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0 \ leave editor UH 10Sep87
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1 | Variable (pad (pad off
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2 | : memtop ( -- adr) sp@ $100 - ;
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3
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4 | Create char 1 allot
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5 | Variable imode imode off
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6 | : .imode at? 7 0 at
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7 imode @ IF ." insert " ELSE ." overwrite" THEN at ;
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8 | : setimode imode on .imode ;
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9 | : clrimode imode off .imode ;
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10
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11 | : done ( -- ) (done
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12 ['] (quit is 'quit ['] (error errorhandler ! quit ;
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13
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14 | : update-exit ( -- ) .modified done ;
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15 | : flushed-exit ( -- ) .modified save-buffers done ;
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Screen 18 not modified
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0 \ handle screens UH 21jan89
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1
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2 | : insert-screen ( scr -- ) \ before scr
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3 1 more fromfile push isfile@ fromfile !
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4 capacity 2- over 1+ convey ;
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5
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6 | : wipe-screen ( -- ) 'start b/blk blank ;
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7
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8 | : new-screen ( -- )
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9 scr @ insert-screen wipe-screen top screenmodified ;
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10
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11
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12
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13
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14
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15
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Screen 19 not modified
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0 \ handle lines UH 01Nov86
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1
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2 | : (clear-line 'line c/l blank ;
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3 | : clear-line (clear-line linemodified ;
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4
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5 | : clear> 'cursor #after blank linemodified ;
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6
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7 | : delete-line 'line #end c/l delete screenmodified ;
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8
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9 | : backline curup delete-line ;
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10
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11 | : (insert-line
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12 ?bottom 'line c/l over #end insert (clear-line ;
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13
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14 | : insert-line (insert-line screenmodified ;
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15
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Screen 20 not modified
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0 \ join and split lines UH 11dez88
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1
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2 | : insert-spaces ( n -- ) 'cursor swap
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3 2dup over #remaining insert blank ;
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4
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5 | : split ( -- ) ?bottom cursor col# <cr> insert-spaces r# !
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6 #after insert-spaces screenmodified ;
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7
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8 | : delete-characters ( n -- ) 'cursor #remaining rot delete ;
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9
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10 | : join ( -- ) cursor <cr> line> col# <line col# under -
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11 rot r# ! #after > Abort" next line will not fit!"
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12 #after + dup delete-characters
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13 cursor <cr> c/l rot - dup 0<
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14 IF negate insert-spaces ELSE delete-characters THEN r# !
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15 screenmodified ;
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Screen 21 not modified
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0 \ handle characters UH 01Nov86
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1
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2 | : delete-char 'cursor #after 1 delete linemodified ;
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3
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4 | : backspace curleft delete-char ;
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5
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6 | : (insert-char ?end 'cursor 1 over #after insert ;
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7
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8
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9 | : insert-char (insert-char bl 'cursor c! linemodified ;
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10
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11 | : putchar ( --) char c@
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12 imode @ IF (insert-char THEN
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13 'cursor c! linemodified curright ;
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14
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15
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Screen 22 not modified
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0 \ stack lines UH 31Oct86
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1
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2 | Create lines 4 allot \ { 2+pointer | 2base }
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3 | : 'lines ( -- adr) lines 2@ + ;
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4
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5 | : @line 'lines memtop u> Abort" line buffer full"
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6 'line 'lines c/l cmove c/l lines +! ;
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7
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8 | : copyline @line curdown ;
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9 | : line>buf @line delete-line ;
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10
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11 | : !line c/l negate lines +! 'lines 'line c/l cmove ;
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12
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13 | : buf>line lines @ 0= Abort" line buffer empty"
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14 ?bottom (insert-line !line screenmodified ;
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15
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Screen 23 not modified
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0 \ stack characters UH 01Nov86
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1
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2 | Create chars 4 allot \ { 2+pointer | 2base }
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3 | : 'chars ( -- adr) chars 2@ + ;
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4
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5 | : @char 'chars 1- lines 2+ @ u> Abort" char buffer full"
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6 'cursor c@ 'chars c! 1 chars +! ;
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7
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8 | : copychar @char curright ;
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9 | : char>buf @char delete-char ;
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10
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11 | : !char -1 chars +! 'chars c@ 'cursor c! ;
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12
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13 | : buf>char chars @ 0= Abort" char buffer empty"
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14 ?end (insert-char !char linemodified ;
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15
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Screen 24 not modified
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0 \ switch screens UH 11mai88
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1
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2 | : imprint ( -- ) \ remember valid file
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3 isfile@ lastfile ! scr @ lastscr ! r# @ lastr# ! ;
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4
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5 | : remember ( -- )
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6 lastfile @ isfile ! lastscr @ scr ! lastr# @ r# ! ;
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7
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8 | : associate \ switch to alternate screen
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9 isfile' @ isfile@ isfile' ! isfile !
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10 scr' @ scr @ scr' ! scr ! r#' @ r# @ r#' ! r# ! ;
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11
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12 | : mark isfile@ isfile' ! scr @ scr' ! r# @ r#' ! .all ;
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13 | : n ?stamp 1 scr +! .all ;
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14 | : b ?stamp -1 scr +! .all ;
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15 | : a ?stamp associate .all ;
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Screen 25 not modified
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0 \ shadow screens UH 03Nov86
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1
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2 Variable shadow shadow off
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3
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4 | : (shadow isfile@ IF capacity 2/ exit THEN shadow @ ;
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5
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6 | : >shadow ?stamp \ switch to shadow screen
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7 (shadow dup scr @ u> not IF negate THEN scr +! .all ;
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8
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9
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10
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11
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12
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13
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14
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15
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Screen 26 not modified
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0 \ load and show screens ks 02 mar 88
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1
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2 | : showoff ['] exit 'name ! normal ;
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3
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4 | : show ( -- ) blk @ 0= IF showoff exit THEN
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5 >in @ 1- r# ! edit-at imprint blk @ scr @ - 0=exit
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6 blk @ scr ! normal curoff .all invers curon ;
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7
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8 | : showload ( -- ) ?stamp save-buffers
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9 ['] show 'name ! curon invers
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10 adr .status push ['] noop is .status
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11 scr @ scr push scr off r# push r# @ (load showoff ;
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12
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13
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14
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15
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Screen 27 not modified
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0 \ find strings ks 20 dez 87
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1 | Variable insert-buffer
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2 | Variable find-buffer
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3
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4 | : 'insert ( -- addr ) insert-buffer @ ;
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5 | : 'find ( -- addr ) find-buffer @ ;
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6
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7 | : .buf ( addr -- ) count type ." |" &80 col - spaces ;
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8
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9 | : get ( addr -- ) >r at? r@ .buf
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10 2dup at r@ 1+ c/l expect span @ ?dup IF r@ c! THEN
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11 at r> .buf ;
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12
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13 | : get-buffers dy l/s + 2+ dx 1- 2dup at
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14 ." find: |" 'find get swap 1+ swap 2- at
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15 ." ? replace: |" 'insert get ;
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Screen 28 not modified
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0 \ ks 20 dez 87
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1 Code match ( addr1 len1 string -- addr2 len2 )
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2 D W mov W ) D- mov $FF # D and 0= ?[ D pop Next ]?
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3 W inc D dec C pop I A mov I pop A push
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4 W ) A- mov W inc ?capital # call A- A+ mov D C sub
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5 >= ?[ I inc Label done I dec
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6 A pop I push A I mov C D add Next ]?
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7 [[ byte lods ?capital # call A+ A- cmp 0=
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8 ?[ D D or done 0= not ?]
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9 I push W push C push A push D C mov
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10 [[ byte lods ?capital # call A+ A- xchg
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11 W ) A- mov W inc ?capital # call A+ A- cmp
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12 0= ?[[ C0= ?] A pop C pop
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13 W pop I pop done ]]
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14 ]? A pop C pop W pop I pop
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15 ]? C0= ?] I inc done ]] end-code
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Screen 29 not modified
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0 \ search for string UH 11mai88
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1
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2 | : skip ( addr -- addr' ) 'find c@ + ;
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3
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4 | : search ( buf len string -- offset flag )
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5 >r stash r@ match r> c@ <
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6 IF drop 0= false exit THEN swap - true ;
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7
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8 | : find? ( -- r# f ) 'cursor #remaining 'find search ;
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9
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10 | : searchthru ( -- r# scr )
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11 find? IF skip cursor + scr @ exit THEN drop
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12 capacity scr @ 1+
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13 ?DO I 2 3 at 6 .r I block b/blk 'find search
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14 IF skip I endloop exit THEN stop? Abort" Break!"
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15 LOOP true Abort" not found!" ;
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Screen 30 not modified
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0 \ replace strings UH 14mai88
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1 | : replace? ( -- f ) dy l/s + 3+ dx 3 - at
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2 key dup #cr = IF line# redisplay true Abort" Break!" THEN
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3 capital Ascii R = ;
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4
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5 | : "mark ( -- ) r# push
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6 'find count dup negate c edit-at invers type normal ;
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7
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8 | : (replace 'insert c@ 'find c@ - ?fit
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9 r# push 'find c@ negate c
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10 'cursor #after 'find c@ delete
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11 'insert count 'cursor #after insert modified ;
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12
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13 | : "replace get-buffers BEGIN searchthru
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14 scr @ - ?dup IF ?stamp scr +! .all THEN r# ! imprint
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15 "mark replace? IF (replace THEN line# redisplay REPEAT ;
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Screen 31 not modified
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0 \ Display Help-Screen, misc commands cas 11nov05
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1
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2 | : helpfile ( -- ) fromfile push editor.fb ;
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3 | : .help ( --)
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4 isfile push scr push helpfile scr off .screen ;
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5 | : help ( -- ) .help key drop .screen ;
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6
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7 | : screen# ( -- scr ) scr @ ;
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8
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9 | Defer (fix-word
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10
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11 | : fix-word ( -- ) isfile@ loadfile !
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12 scr @ blk ! cursor >in ! (fix-word ;
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13
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14
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15
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Screen 32 not modified
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0 \ Control-Characters IBM-PC Functionkeys UH 10Sep87
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1
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2 Forth definitions
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3
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4 : Ctrl ( -- c )
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5 name 1+ c@ $1F and state @ IF [compile] Literal THEN ;
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6 immediate
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7
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8 \needs #del $7F Constant #del
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9
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10 Editor definitions
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11
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12 | : flipimode imode @ 0= imode ! .imode ;
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13
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14 | : F ( # -- 16b ) $FFC6 swap - ;
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15 | : shift ( n -- n' ) dup 0< + &24 - ;
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Screen 33 not modified
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0 \ Control-Characters IBM-PC Functionkeys UH 11dez88
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1
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2 Create keytable
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3 -&72 , -&75 , -&80 , -&77 ,
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4 3 F , 4 F , 7 F , 8 F ,
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5 Ctrl F , Ctrl S , 5 F , 6 F ,
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6 1 F , Ctrl H , #del , -&83 ,
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7 Ctrl Y , Ctrl N ,
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8 -&82 ,
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9 #cr , #tab , #tab shift ,
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10 -&119 , -&117 , 2 F , Ctrl U ,
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11 Ctrl E , #esc , Ctrl L , 9 F shift ,
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12 -&81 , -&73 , 9 F , &10 F ,
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13 -&71 , -&79 , -&118 , -&132 ,
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14 #lf ,
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15 here keytable - 2/ Constant #keys
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Screen 34 not modified
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0 \ Try a screen Editor UH 11dez88
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1
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2 Create: actiontable
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3 curup curleft curdown curright
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4 line>buf char>buf buf>line buf>char
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5 fix-word screen# copyline copychar
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6 help backspace backspace delete-char
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7 ( insert-char ) delete-line insert-line
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8 flipimode ( clear-line clear> )
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9 <cr> +tab -tab
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10 top >""end "replace undo
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11 update-exit flushed-exit showload >shadow
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12 n b a mark
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13 <line line> split join
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14 new-screen ;
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15 here actiontable - 2/ 1- #keys - abort( # of actions)
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Screen 35 not modified
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0 \ find keys ks 20 dez 87
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1
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2 | : findkey ( key -- adr/default )
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3 #keys 0 DO dup keytable [F] I 2* + @ =
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4 IF drop [E] actiontable [F] I 2* + @ endloop exit THEN
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5 LOOP drop ['] putchar ;
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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Screen 36 not modified
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0 \ allocate buffers UH 01Nov86
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1
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2 c/l 2* | Constant cstack-size
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3
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4 | : nextbuf ( adr -- adr' ) cstack-size + ;
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5
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6 | : ?clearbuffer pad (pad @ = ?exit
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7 pad dup (pad !
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8 nextbuf dup find-buffer ! 'find off
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9 nextbuf dup insert-buffer ! 'insert off
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10 nextbuf dup 0 chars 2!
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11 nextbuf 0 lines 2! ;
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12
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13
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14
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15
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Screen 37 not modified
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0 \ enter and exit the editor, editor's loop UH 11mai88
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1
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2 | Variable jingle jingle on | : bell 07 charout jingle off ;
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3
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4 | : clear-error ( -- )
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5 jingle @ ?exit dy l/s + 1+ dx at c/l spaces jingle on ;
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6
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7 | : fullquit ( -- ) BEGIN ?clearbuffer edit-at key dup char c!
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8 findkey imprint execute ( .status ) clear-error REPEAT ;
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9
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10 | : fullerror ( string -- ) jingle @ IF bell THEN count
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11 dy l/s + 1+ over 2/ dx $20 + swap - at invers type normal
|
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12 &80 col - spaces remember .all quit ;
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13
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14 | : install ( -- )
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15 ['] fullquit Is 'quit ['] fullerror errorhandler ! ;
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Screen 38 not modified
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0 \ enter and exit the Editor UH 11mai88
|
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1
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2 Forth definitions
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3
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4 : v ( -- )
|
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5 [E] 'start drop get-id install-screen
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6 install ?clearbuffer
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7 border .all .imode .status quit ;
|
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8
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9 ' v Alias ed
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10
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11 : l ( scr -- ) 1 arguments scr ! [E] top [F] v ;
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12
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13 ' l Alias edit
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14
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15
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Screen 39 not modified
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0 \ savesystem enhanced view UH 24jun88
|
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1
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2 : savesystem [E] id off (pad off savesystem ;
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3
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4 Editor definitions
|
|
5 | : >find ?clearbuffer >in push
|
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6 name dup c@ 2+ >r bl over c! r> 'find place ;
|
|
7
|
|
8 Forth definitions
|
|
9 : fix [ Dos ] >find ' @view >file
|
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10 isfile ! scr ! [E] top curdown
|
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11 find? IF skip 1- THEN c v ;
|
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12
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13 ' fix Is (fix-word
|
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14
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15
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Screen 40 not modified
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0
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6
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9
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10
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11
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12
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13
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14
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15
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Screen 41 not modified
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0
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