VolksForth/6502/UltraForth/CLV/EDIT.txt
2020-07-15 09:27:49 +02:00

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clv06jan88
\ Directory of uf-Ed-clv06jan clv02feb88
3 files
4 .page in Forth
5 >scr CBM-Screencode-Conversion
6 scrAdr curAdr cols rows
7- 9 screen Output-Vektor
10-13 .page in Assembler
16-19 .page 2.versuch
20 Edi-Test
40 "
60 "
85ff shadows
\ test clv12jan88
$100 $100 Task testtask
multitask
: tt testtask activate
BEGIN $80 $c00 ctoggle pause REPEAT ;
\ revers on/off at top left corner
\ files clv20jan88
| : skp bus@ drop bus@ drop ;
| : wrd bus@ bus@ $100 * + . ;
| : str
BEGIN bus@ ?dup WHILE emit REPEAT ;
: files \ Filename kann folgen
(drv @ 8 +
dup 0 busopen
" $0:" count bustype
bl parse bustype
" *" count bustype
busoff derror? ?exit
dup 0 busin
skp skp \ Sector,Zeilenlink
BEGIN cr wrd str skp $90 c@ UNTIL
0 busclose derror? ?exit ;
\ .line .page in Forth clv11jan88
: >count ( ad l ad+ l- --ad+ l- ad cnt)
2swap 2 pick - ;
: .line ( adr len col--adr+ len- col)
>r 2dup #cr scan >count
r@ - swap r@ + swap
0 max cols umin type
dup IF 1- swap 1+ swap THEN r> ;
: xpage 0 0 at $0c00 $400 $2e fill ;
: .page1 ( adr len col-- adr+ len- col)
xpage rows 1
DO .line cr LOOP .line ;
\ >scr clv19jan88
: Char: Create ;code ( char--char')
sp x) lda tax .a lsr .a lsr .a lsr
.a lsr .a lsr .a asl tay iny iny
txa iny W )y and dey W )y ora
0 # ldx sp x) sta
1 # ldy next jmp end-code
Char: >scr ( +--or---+ +---and--+ )
( $0-1f) Ascii . c, 0 c,
( 20-3f) %00000000 c, %11111111 c,
( 40-5f) %00000000 c, %00011111 c,
( 60-7f) %00000000 c, %01011111 c,
( 80-9f) Ascii . c, 0 c,
( a0-bf) Ascii . c, 0 c,
( c0-df) %00000000 c, %01011111 c,
( e0-ff) Ascii . c, 0 c,
\needs scrAdr -->
\\ : C> Create does> ( char--char')
>r dup 2/ 2/ 2/ 2/ 2/ 2* r> +
dup c@ -rot 1+ c@ and or ;
\ scrAdr curAdr cols rows clv11jan88
$0c00 Constant scrAdr
Variable curAdr scrAdr curAdr !
&40 Constant cols
&25 Constant rows
\ screen Output-Vektor clv11jan88
\needs >scr 5 load \ CBM-Screencodes
\ & scrAdr ..
1 2 +thru
\\ curon/off muss gepatched werden, da
dummerweise nicht vektorisiert
' c64key >body Constant >curon
' c64key >body $a + Constant >curoff
: scrOn screen keyboard
['] scrcur dup >curon ! >curoff !
save ;
: scrOff display [ editor ] ediboard
['] curon >curon !
['] curoff >curoff ! save ;
\ ..screen.. clv11jan88
: scrpage scrAdr [ cols rows * ] Literal
bl fill scrAdr curAdr ! ;
: scroll
scrAdr dup cols + swap
[ cols rows 1- * ] Literal cmove
[ scrAdr cols rows 1- * + ] Literal
cols bl fill cols negate curAdr +! ;
: ?scroll
[ scrAdr cols rows * + ] Literal
curAdr @ - ?exit scroll ;
: scrcur
?scroll $80 curAdr @ ctoggle ;
\ ..screen clv11jan88
: scrat? ( --row col)
curAdr @ scrAdr - cols u/mod swap ;
: scrat ( row col--)
swap cols * + scrAdr + curAdr !
?scroll ;
: scrcr scrat? drop 1+ 0 scrat ;
: scremit ( char--) >scr \ cbmScreenCode
?scroll curAdr @ c! 1 curAdr +! ;
: scrtype ( adr +n--)
bounds ?DO I c@ scremit LOOP ;
: scrdel
-1 curAdr +! bl scremit -1 curAdr +! ;
Output: screen
scremit scrcr scrtype scrdel scrpage
scrat scrat? ;
\ .page clv14jan88
Onlyforth
\needs >scr 5 load \ CBM-Screencodes
' >scr >body >Label scrtab
Label (>scr ( AR=char;char') \ XR<>
\ converts char to CBM-Screencode
pha .a lsr .a lsr .a lsr .a lsr .a lsr
.a asl
tax pla inx scrtab ,x and
dex scrtab ,x ora
rts end-code
\ N:curCol +2:len +4:adr +6:actLn
\ +8:tmpCol +a:exitSp YR=col
-->
\ (emit 3.vers clv14jan88
Label neg ( XR=adr;) \ 2erKompl von adr
sec 0 # lda 0 ,x sbc 0 ,x sta
0 # lda 1 ,x sbc 1 ,x sta rts
Label pClr ( N+6:curLn,YR=col)
\ clears end of Line, exit on screenEnd
bl # lda
[[ cols # cpy 0<>
?[[ N 6 + )y sta iny ]]?
clc cols # lda N 6 + adc N 6 + sta
CS ?[ N 7 + inc ]? 0 # ldy
scrAdr cols rows * + $100 u/mod N 6 +
dup 1+ lda swap # cmp CC ?[ rts ]?
lda # cmp CC ?[ rts ]?
N $a + ldx txs \ Screen:End reached
N 2+ # ldx neg jsr 0 # ldx
3 # lda \ setback to stack
.A asl tay [[ SP dec dey 0= ?] tay dey
[[ N ,y lda SP )y sta dey 0= ?] iny
next jmp end-code
-->
\ pPut pGet pCol clv11jan88
Label pPut ( AR=char;)
\ puts char on screen. Noop if beyond
cols # cpy CC
?[ (>scr jsr 0 # ldx N 6 + )y sta iny
]? rts end-code
Label pGet ( ;AR:char,Z:char==#cr)
\ char from RAM. Ends Page if exhausted
N 4 + winc N 2+ winc
0<> ?[ N 4 + x) lda #cr # cmp rts ]?
[[ pClr jsr ]] end-code \ stream:end
Label pCol \ skips cols left of screen
N 8 + N 2dup lda sta 1+ lda 1+ sta
N 8 + dup winc # ldx neg jsr 0 # ldx
[[ N 8 + winc 0= ?[ rts ]?
pGet jsr 0=
?[ pClr jsr pCol jmp ]? ]] end-code
-->
\ .page clv14jan88
Code .page ( adr len col--ad+ len- col)
\ displays text at adr/len
\ interprets #cr,skips col (left of scr)
\ setup of N... y
3 # lda setup jsr N 2+ # ldx neg jsr
\ setup of actLn
N 6 + ' scrAdr >body 2dup
lda sta
1+ lda 1+ sta
tsx N $a + stx \ Exit SP
0 # ldx 0 # ldy
N 4 + wdec N 2+ wdec
\ MainLoop
[[ pCol jsr
[[ pGet jsr 0<> ?[[ pPut jsr ]]?
pClr jsr ]] end-code
\ .page 2.Versuch mit fOut/In clv25jan88
Onlyforth
\needs >scr 5 load \ CBM-Screencodes
' >scr >body >Label scrtab
Label (>scr ( AR=char;char') \ XR<>
\ converts char to CBM-Screencode
pha .a lsr .a lsr .a lsr .a lsr .a lsr
.a asl
tax pla inx scrtab ,x and
dex scrtab ,x ora
rts end-code
\ N:scrCol +2:adr +4:none +6:actLn
\ +8:tmpCol +a:exitSp YR=col
-->
\ (emit 3.vers clv25jan88
Label neg ( XR=adr;) \ 2erKompl von adr
sec 0 # lda 0 ,x sbc 0 ,x sta
0 # lda 1 ,x sbc 1 ,x sta rts
Label pClr ( N+6:curLn,YR=col)
\ clears end of Line, exit on screenEnd
bl # lda
[[ cols # cpy 0<>
?[[ N 6 + )y sta iny ]]?
clc cols # lda N 6 + adc N 6 + sta
CS ?[ N 7 + inc ]? 0 # ldy
scrAdr cols rows * + $100 u/mod N 6 +
dup 1+ lda swap # cmp CC ?[ rts ]?
lda # cmp CC ?[ rts ]?
N $a + ldx txs \ Screen:End reached
SP 2dec 0 # ldx 1 # ldy
N 2+ lda SP x) sta
N 3+ lda SP )y sta
next jmp end-code
-->
\ pPut pGet pCol clv25jan88
Label pPut ( AR=char;)
\ puts char on screen. Noop if beyond
cols # cpy CC
?[ (>scr jsr 0 # ldx N 6 + )y sta iny
]? rts end-code
Label pGet ( ;AR:char,Z:char==#cr)
\ char from RAM. Ends Page if exhausted
N 2+ winc
N 2+ lda fOut cmp 0= \ fOut reached?
?[ N 3 + lda fOut 1+ cmp 0=
?[ N 2+ fIn 2dup \ ..use fIn
lda sta 1+ lda 1+ sta ]? ]?
N 2+ lda fEnd cmp 0= \ fEnd reached?
?[ N 3 + lda fEnd 1+ cmp 0=
?[ [[ pClr jsr ]] ]? ]? \ ..clrPg
N 2 + x) lda #cr # cmp
rts end-code
-->
\ .page clv29jan88
Label pCol \ skips cols left of screen
N 8 + N 2dup lda sta 1+ lda 1+ sta
N 8 + dup winc # ldx neg jsr 0 # ldx
[[ N 8 + winc 0= ?[ rts ]?
pGet jsr 0=
?[ pClr jsr pCol jmp ]? ]] end-code
Code .page2 ( adr col--ad+)
\ uses fOut,fIn,fEnd
\ displays text at adr/len
\ interprets #cr,skips col (left of scr)
\ setup of N...
2 # lda setup jsr
\ setup of actLn
N 6 + ' scrAdr >body 2dup
lda sta 1+ lda 1+ sta
tsx N $a + stx \ Exit SP
0 # ldx 0 # ldy
N 2 + wdec
\ MainLoop
[[ pCol jsr
[[ pGet jsr 0<> ?[[ pPut jsr ]]?
pClr jsr ]] end-code
clv11jan88
clv11jan88
\ Edi-Test-3 clv22feb88
\ mit Transfers-Luecke, .page in Forth,
\ ziemlich langsam
: tt limit $e800 -
IF $e800 ['] limit >body ! &20 buffers
THEN ;
tt forget tt
Onlyforth
: rl [ blk @ ] Literal l ;
\needs memtop $fd00 Constant memtop
1 +load \ Variables
\needs >scr 5 load
2 &19 +thru
\ forget initFile 2 &19 +thru
: .x over u. ." :" type ;
: .. fBeg @ fOut @ over - .x
fIn @ fEnd @ over - .x cr ;
\ Variables clv25jan88
Variable lastKey
Variable curPos
Variable scrBeg Variable scrCol
Variable exitRP
Variable tab \ key-Tab
Create fName $20 allot
Variable fBeg Variable fEnd
Variable fOut \ Beginn von room
Variable fIn \ Ende von room
\ edi-test info clv25jan88
: wait BEGIN key? UNTIL ;
: sat cols 1- min swap rows 1- min swap
at ;
: .at 0 10 at 2dup swap . . ." AT" sat ;
Defer 'at ' .at Is 'at
: wderror? derror? dup IF wait THEN ;
Defer 'derror? ' wderror? Is 'derror?
: .v ( adr--) base push hex cr dup
@ 5 u.r ." " 2- >name .name ." !" ;
: .i cr .s curPos .v scrCol .v fbeg .v
scrbeg .v fOut .v fIn .v fend .v
cr fbeg @ 1- c@ . fend @ @ . cr ;
\ fileOut/In clv25jan88
: fType ( from u --)
fOut @ 2dup + ( fr u fOut@ fOut@+u )
dup fIn @ u> abort" no room" fOut !
( fr u fOut@) swap cmove ;
: fEmit ( char--) sp@ 1 fType drop ;
: fCr #cr fEmit ;
: fDel fOut @ 1- fBeg @ umax fOut ! ;
: fPage
fBeg @ fOut @ over - ( from count)
over fIn @ fOut @ - + swap cmove>
fBeg @ dup fOut !
fIn @ fOut @ - + fIn ! ;
: fAt 2drop ; : fAt? 0.0 ;
Output: fileOut
fEmit fCr fType fDel fPage fAt fAt? ;
: fKey? ( --flag) fIn @ fEnd @ u< ;
: fKey ( -- 8b)
fKey? IF fIn @ c@ 1 fIn +! exit THEN
$1a ;
Input: fileIn
fKey fKey? c64decode c64expect ;
\ tva cr? fe? clv30jan88
\needs Code .( ??! Code ??!) quit
Assembler
\needs wcmp .( ??! wcmp[debug] ??!) quit
Code cr? ( adr--adr flag)
SP x) lda N sta SP )y lda N 1+ sta
N x) lda #cr # cmp 0<> ?[
Label (fe?
N fEnd wcmp CC ?[
N fBeg wcmp CS ?[
0 # lda pushA jmp ]? ]? ]?
$ff # lda pushA jmp end-code
Code fe?
SP x) lda N sta SP )y lda N 1+ sta
(fe? jmp
Code c? ( adr--adr flag)
SP x) lda N sta SP )y lda N 1+ sta
N fIn wcmp CC ?[
N fOut wcmp CS ?[
0 # lda pushA jmp ]? ]?
$ff # lda pushA jmp end-code
\ c? bl? ..< ..> clv30jan88
\ fuer Laufzeitmessung:
: cr? cr? ; : fe? fe? ; : c? c? ;
( adr--adr flag)
: bl? cr? over c@ bl = or ; \ space
( adr--adr)
: c< 1- c? ?exit drop fOut @ 1- ;
: c> 1+ c? ?exit drop fIn @ ;
: bl> BEGIN c> bl? not UNTIL ;
: cr> c> ;
: w< BEGIN c< bl? UNTIL ; \ word
: w> BEGIN c> bl? UNTIL ;
: l< BEGIN c< cr? UNTIL ; \ line
: l> BEGIN c> cr? UNTIL ;
: p> rows 0 DO l> LOOP ;
: p< rows 0 DO l< LOOP ;
: l<? ( cur--cur col) dup dup l< 1+ - ;
\\
: fe? dup fBeg @ fEnd @ uwithin not ;
: cr? dup c@ #cr = swap fe? or ;
: c? dup fOut @ fIn @ uwithin not ;
\ initFile clv30jan88
: initFile $100 \ cursorRoom
fBeg @ 2dup + over fEnd @ swap -
cmove>
fBeg @ dup fOut ! over + fIn !
fEnd +! $0d0d fEnd @ !
fOut @ curPos ! ;
: moveroom ( curAdr --)
dup curPos ! c? not IF drop exit THEN
fOut @ u<
IF curPos @ fIn @ fOut @ - curPos @ +
fOut @ curPos @ -
dup negate dup fOut +! fIn +!
cmove>
ELSE fIn @ fOut @ curPos @ fIn @ -
dup dup fOut +! fIn +!
fOut @ curPos ! cmove THEN ;
\ baseMovements clv25jan88
: << ( --curAdr) curPos @ ;
: >> ( curAdr--)
fBeg @ umax fEnd @ umin moveroom ;
\ : c+ ( col+ cur-)
\ 1- l> >> << l< 1+ + ;
: <<c ( --col lin)
<< dup l< under - swap ;
: c>> ( col lin--) l> >> << l< + >> ;
: c+ ( col lin col+--col lin)
rot + swap ;
: c= ( col lin col=--col lin)
swap rot drop ;
\ executables clv28jan88
( --)
: begLn << l< cr> >> ;
: endLn << l> >> ;
: up <<c l< c>> ;
: down <<c l> c>> ;
: lastPg <<c p< c>> ;
: nextPg <<c p> c>> ;
: begPg <<c drop scrBeg @ c>> ;
: endPg <<c drop scrBeg @ p> l< c>> ;
: beg <<c drop fBeg @ c< c>> ;
: end <<c drop fEnd @ l< c>> ;
: right <<c 1 c+ c>> ;
: left <<c -1 c+ c>> ;
: begScr <<c scrCol @ c= c>> ;
: endScr <<c scrCol @ cols + 1- c= c>> ;
\ ..exe clv28jan88
: doChar << dup fOut @ - 0 max 0
?DO bl fEmit LOOP
lastKey @ fEmit c> >> ;
: backDel curPos @ fOut @ =
IF fdel THEN left ;
: delChar right backDel ;
: exitEd exitRp @ rp! ;
: info at? 5 0 at
2dup swap cr . . ." at" .i
wait at ;
: help tab @ BEGIN count WHILE
dup @ >name .name 2+ REPEAT
drop wait ;
\ leer clv28jan88
\ writeFile readFile clv25jan88
Onlyforth
: writeFile 0 (drv !
8 2 busopen fName count bustype
" ,p,w" count bustype busoff
'derror? ?exit
8 2 busout 0 0 bus! bus!
fEnd @ fBeg @
BEGIN 2dup - WHILE
dup c@ bus! c> REPEAT busoff
8 2 busclose 'derror? ?exit ;
: readFile 0 (drv !
8 2 busopen fName count bustype
" ,p,r" count bustype busoff
'derror? ?exit fBeg @
8 2 busin bus@ drop bus@ drop
BEGIN bus@ over c! 1+ $90 c@ UNTIL
fEnd ! busoff
8 2 busclose 'derror? ?exit initFile ;
\ files clv25jan88
| : skp bus@ drop bus@ drop ;
| : wrd bus@ bus@ $100 * + . ;
| : str
BEGIN bus@ ?dup WHILE emit REPEAT ;
: files \ Filename kann folgen
(drv @ 8 +
dup 0 busopen
" $0:" count bustype
bl parse bustype
" *" count bustype
busoff derror? ?exit
dup 0 busin
skp skp \ Sector,Zeilenlink
BEGIN cr wrd str skp $90 c@ UNTIL
0 busclose 'derror? ?exit wait ;
\ loadFile clv28jan88
\\ noch alt
: fLine #tib @ >tib @ + 1+
dup fEnd @ u> IF drop rdrop exit THEN
dup 1- l> over - #tib ! >tib !
>in off ;
: .fLine
cr >tib @ dup 5 u.r space
#tib @ type space ;
: xx
>tib push #tib push >in push r0 push
['] 'quit >body push
['] unnest Is 'quit
['] .status >body push
rp@ r0 ! page
['] .fLine Is .status
curPos @ >tib ! -1 #tib !
BEGIN fLine .status interpret REPEAT ;
: loadFile
curPos ! >r xx r> curPos @ wait ;
\ fconvey clv28jan88
\ noch ungetestet
: fConvey ( [from to]--)
1+ swap \ curPos @ -rot
?DO rows 0
DO #cr fEmit
J block I c/l * + c/l fType
LOOP 1 fDel LOOP ( drop ) ;
\ .page 4.Ver Forth clv30jan88
: pPut ( char--)
>scr curAdr @ c! 1 curAdr +! ;
: pSpc ( u--) \ puts u spaces
curAdr @ over bl fill curAdr +! ;
: leap rdrop rdrop rdrop rdrop ;
: .line ( col adr--col ad+)
over 0 ?DO c> cr?
IF cols pSpc leap THEN LOOP
cols 0 DO c> cr?
IF cols I - pSpc leap THEN
dup c@ pPut LOOP l> ;
: .page ( adr col--ad+)
\ interprets cr,skips cols left of scr
scrAdr curAdr !
swap rows 0 DO .line LOOP nip ;
\ -&21 #entries +! forget pPut 0 4 +thru
\ redraw show clv29jan88
: redraw curPos @
BEGIN scrBeg @ scrCol @ .page
over u< WHILE
dup p< scrBeg ! REPEAT drop ;
: cursor curPos @
scrBeg @ -1 -rot
BEGIN rot 1+ -rot
l> 2dup u< UNTIL
drop l<? scrCol @ -
rot swap ( col+ @ + ) 'at drop ;
: ?sR? curPos @
l<? ( col+ @ + ) dup cols - 1+
scrCol @ max min scrCol ! drop ;
: ?sB? curPos @ scrBeg @ u> ?exit
curPos @ l< scrBeg ! ;
: show ?sB? ?sr? key? ?exit
redraw key? ?exit cursor ;
\ 0 3 +thru
\ maintab clv25jan88
: A+ [compile] Ascii + ;
: Ctr -$40 A+ ; : Cbm $60 A+ ;
: Ct+ $40 A+ ;
: => c, ' , ;
Create maintab \ <key> c, ' word ,
Ctr ] => right Ct+ ] => left
Ctr q => down Ct+ q => up
Ctr u => begLn Ctr i => endLn
Ctr h => begPg Ctr j => endPg
Ctr g => lastPg Ctr k => nextPg
Ctr b => beg Ctr n => end
Ctr f => files \ Ctr l => loadFile
Ctr c => exitEd
Ctr t => backDel Ctr d => delChar
Ctr w => writeFile Ctr r => readFile
Ctr o => info
Ctr p => help
Ctr [ => redraw \ ESC
0 => doChar
\ 0 2 +thru
\ editop clv30jan88
: dokey
lastKey @ tab @ 3 -
BEGIN 3+ dup c@ WHILE 2dup c@ = UNTIL
nip 1+ @ execute ;
: editop
rp@ exitRP ! \ fuer exitEd
maintab tab !
BEGIN
key? 0= IF show THEN
key lastKey ! dokey REPEAT ;
\ edi3 test clv22feb88
: init
limit 1+
dup fBeg ! dup fEnd !
dup curPos !
drop
$0d fBeg @ 1- c!
0 scrCol ! fBeg @ 1- scrBeg !
initFile ;
: red editop
page ." end of edit" ;
: edit bl parse $20 umin fName place
init ( readFile ) red ;
\needs new \\
\ Edi-Test-1 clv22feb88
\ ohne read/write
: tt limit $e000 -
IF $e000 ['] limit >body ! 20 buffers
THEN ;
tt forget tt
Onlyforth
\needs memtop $fd00 Constant memtop
\needs .page &10 load
1 +load \ Variables ..
&12 +load \ Test
2 &10 +thru
&11 +load \ Test
\ Variables clv14jan88
Variable curPos Variable scrCol
Variable scrBeg Variable scrEnd
Variable fBeg Variable fEnd
Variable xroom Variable xroomlen
Variable tab
Variable col+
\ room clv11jan88
: ?enough ( n--n)
dup xroomlen @ > abort" no room" ;
: ?range ( adr n -- adr n)
over xroom @ u> abort" beyond room" ;
\ kriegt spaeter die verschieberei
: decroom ( n--n)
dup fEnd +!
dup xroom +! dup negate xroomlen +! ;
: room ( adr n -- adr n)
?enough ?range 2dup over +
( ad n ad=fr ad'=to )
xroom @ 2 pick - move ( adr n)
decroom ; \\
: room ( adr n -- adr)
?enough ?range
2dup + -rot >r ( ad'=to ad)
xroom @ over - ( ad' ad=fr cnt)
2 pick swap move ( ad' )
r> decroom ;
\ insert back clv14jan88
: fType ( adr from u -- adr')
swap >r room
2dup r> -rot cmove + ;
: fEmit ( adr char--adr')
>r rp@ 1 fType rdrop ;
: fDel ( adr u -- adr')
2dup - fBeg @ u< ( a u a'<beg? )
IF drop dup fBeg @ - 0 min THEN
negate room + ;
\ cursor-movement clv14jan88
( adr--adr')
\ setzt #cr vor und nach File voraus
: ?b fBeg @ umax ; : ?e fEnd @ umin ;
Code (cr>
sp x) lda N sta sp )y lda N 1+ sta
#cr # lda [[ N winc N x) cmp 0= ?]
N lda sp x) sta N 1+ lda sp )y sta
next jmp end-code
Code (cr<
sp x) lda N sta sp )y lda N 1+ sta
[[ N wdec #cr # lda N x) cmp 0= ?]
N lda sp x) sta N 1+ lda sp )y sta
next jmp end-code
: cr< ?b (cr< ; : cr> ?e (cr> ;
: pg< rows 0 DO cr< LOOP ;
: pg> 1- rows 1- 0 DO cr> LOOP ;
\\
: cr< ?b BEGIN 1- cr? UNTIL ;
: cr> ?e BEGIN 1+ cr? UNTIL ;
\ move-Base clv14jan88
: leftchars ( adr--adr u)
dup dup cr< 1+ - ;
: rightchars ( adr--adr u)
dup 1- cr> over - ;
: savCol dup dup cr< - col+ +! ;
: useCol dup cr> over - col+ @ over -
dup 0< IF + 0 THEN col+ ! + ;
: noCol col+ off ;
: cr? ( adr--adr flag) dup c@ #cr = ;
: ?eL ?e dup 1- cr> fEnd @ - ?exit cr< ;
\\
\ 0 6 +thru
\ executables clv14jan88
( rp char adr--rp char adr')
: begLn noCol cr< 1+ ;
: endLn noCol 1- cr> ;
: up savCol cr< cr< useCol ;
: down savCol 1- cr> ?eL useCol ;
: lastPg savCol pg< useCol ;
: nextPg savCol pg> ?eL useCol ;
: begPg savCol drop scrBeg @ 1- useCol ;
: endPg begPg nextPg ;
: beg savCol drop fBeg @ 1- useCol ;
: end savCol drop fEnd @ cr< useCol ;
: right cr? IF 1 col+ +! ELSE 1+ THEN ;
: left col+ @
IF -1 col+ +! ELSE 1- ?b THEN ;
\ ..exe clv14jan88
: doChar col+ @ 0 ?DO bl fEmit LOOP
noCol over fEmit ;
: backDel col+ @
IF left ELSE 1 fDel THEN ;
: delChar right backDel ;
: wait key drop ;
: exitEd nip swap rp! ;
: info at? 5 0 at
2dup swap cr . . ." at" .i
wait at ;
: help tab @ BEGIN count WHILE
dup @ >name .name 2+ REPEAT
drop wait ;
\ redraw show clv14jan88
: redraw BEGIN scrBeg @ fEnd @ over -
scrCol @ .page drop drop
over u< WHILE
dup pg< 1+ scrBeg ! REPEAT ;
( adr--adr')
: cursor \ dup curPos ! \ test
scrBeg @ 1- -1 -rot
BEGIN rot 1+ -rot
cr> 2dup u> not UNTIL
drop leftchars scrCol @ -
rot swap col+ @ + 'at ;
: ?sR? leftchars col+ @ + dup cols - 1+
scrCol @ max min scrCol ! ;
: ?sB? dup scrBeg @ u< not ?exit
dup begLn scrBeg ! ;
: show ?sB? ?sr? redraw cursor ;
\\
: ?sE? scrBeg @ pg> over u> ?exit
dup pg< 1+ scrBeg ! ;
: show ?sB? ?sr? ?se? redraw cursor ;
\ 0 3 +thru
\ maintab clv14jan88
: A+ [compile] Ascii + ;
: Ctr -$40 A+ ; : Cbm $60 A+ ;
: Ct+ $40 A+ ;
: => c, ' , ;
Create maintab \ <key> c, ' word ,
Ctr ] => right Ct+ ] => left
Ctr q => down Ct+ q => up
Ctr u => begLn Ctr i => endLn
\ Ctr y => lastLn Ctr o => nextLn
Ctr h => begPg Ctr j => endPg
Ctr g => lastPg Ctr k => nextPg
Ctr b => beg Ctr n => end
Ctr c => exitEd
Ctr t => backDel \ del-Taste
Ctr d => delChar
Ctr e => info
Ctr w => help
Ctr r => redraw
0 => doChar
\ 0 2 +thru
\ editop clv14jan88
: dokey ( adr char --adr)
tab @ 3 -
BEGIN 3+ dup c@ WHILE 2dup c@ = UNTIL
1+ @ ( adr char cfa )
>r swap r> execute nip ;
: editop ( adr--adr)
rp@ swap \ fuer exitEd
BEGIN
key? 0= IF show THEN
key maintab tab ! dokey REPEAT ;
\ edi1 test clv14jan88
: init limit $e000 u> abort" limit!!"
0 dup scrCol ! col+ !
limit 1+
dup scrBeg ! dup scrEnd !
dup fBeg ! dup fEnd !
dup curPos !
$0d fBeg @ 1- c! $0d0d fEnd @ !
dup $2 + xroom !
memtop xroom @ - xroomlen !
drop
;
: red curPos @ editop curPos !
page ." end of edit" ;
: edit init red ;
\ edi1test info clv14jan88
Defer 'at
: sat cols 1- min swap rows 1- min swap
at ;
: .at 0 10 at 2dup swap . . ." AT" sat ;
' sat Is 'at
: nc curoff begin stop? until ;
: .v ( adr--) base push hex cr
dup @ 5 u.r ." " 2- >name .name ." !"
;
: .i cr .s
scrCol .v
fbeg .v scrbeg .v
scrend .v fend .v
xroom .v xroomlen .v col+ .v
cr fbeg @ 1- c@ . fend @ @ .
cr ;
clv20jan88
clv20jan88
clv20jan88
clv20jan88
clv20jan88
clv20jan88
\ edi1test info clv20jan88
Defer 'at
: sat cols 1- min swap rows 1- min swap
at ;
: .at 0 10 at 2dup swap . . ." AT" sat ;
' sat Is 'at
: nc curoff begin stop? until ;
: .v ( adr--) base push hex cr
dup @ 5 u.r ." " 2- >name .name ." !"
;
: .i cr .s
curPos .v
scrCol .v
fbeg .v scrbeg .v
fend .v
xroom .v xroomlen .v col+ .v
cr fbeg @ 1- c@ . fend @ @ .
cr ;
\ Edi-Test-3 clv22feb88
\ schnell, obwohl room am Ende
: tt limit $e000 -
IF $e000 ['] limit >body ! 20 buffers
THEN ;
tt forget tt
Onlyforth
\needs memtop $fd00 Constant memtop
\needs .page &10 load
1 &19 +thru
\ Variables clv20jan88
Variable curPos Variable scrCol
Variable scrBeg \ Variable scrEnd
Variable col+
Create fName $20 allot
Variable fBeg Variable fEnd
Variable fPos
Variable exitRP
Variable xroom Variable xroomlen
Variable tab
\ room clv11jan88
: ?enough ( n--n)
dup xroomlen @ > abort" no room" ;
: ?range ( adr n -- adr n)
over xroom @ u> abort" beyond room" ;
\ kriegt spaeter die verschieberei
: decroom ( n--n)
dup fEnd +!
dup xroom +! dup negate xroomlen +! ;
: room ( adr n -- adr n)
?enough ?range 2dup over +
( ad n ad=fr ad'=to )
xroom @ 2 pick - move ( adr n)
decroom ; \\
: room ( adr n -- adr)
?enough ?range
2dup + -rot >r ( ad'=to ad)
xroom @ over - ( ad' ad=fr cnt)
2 pick swap move ( ad' )
r> decroom ;
\ fType/Emit/Del clv20jan88
: initRoom fEnd @
$0d0d over ! $2 + xroom !
memtop xroom @ - xroomlen ! ;
: fType ( adr from u -- adr')
swap >r room
2dup r> -rot cmove + ;
: fEmit ( adr char--adr')
>r rp@ 1 fType rdrop ;
: fDel ( adr u -- adr')
2dup - fBeg @ u< ( a u a'<beg? )
IF drop dup fBeg @ - 0 min THEN
negate room + ;
\ fKey/fExpect/fDecod clv20jan88
\\ noch unfertig:
: fPtr? ( --adr) fPos @ ;
: fKey? ( --flag) fPtr? fEnd @ u< ;
: fKey ( -- 8b)
fKey? IF fPtr? c@ ELSE oldIn THEN ;
: c64decode
( addr cnt1 key -- addr cnt2)
#bs case? IF dup IF del 1- THEN
exit THEN
#cr case? IF dup span ! exit THEN
>r 2dup + r@ swap c! r> emit 1+ ;
: c64expect ( addr len1 -- )
span ! 0
BEGIN dup span @ u<
WHILE key decode
REPEAT 2drop space ;
Input: fIn
c64key true c64decode c64expect ;
\ edi1test info clv20jan88
Defer 'at
: sat cols 1- min swap rows 1- min swap
at ;
: .at 0 10 at 2dup swap . . ." AT" sat ;
' sat Is 'at
: nc curoff begin stop? until ;
: .v ( adr--) base push hex cr
dup @ 5 u.r ." " 2- >name .name ." !"
;
: .i cr .s
curPos .v
scrCol .v
fbeg .v scrbeg .v
fend .v
xroom .v xroomlen .v col+ .v
cr fbeg @ 1- c@ . fend @ @ .
cr ;
\ cursor-movement clv14jan88
( adr--adr')
\ setzt #cr vor und nach File voraus
: ?b fBeg @ umax ; : ?e fEnd @ umin ;
Code (cr>
sp x) lda N sta sp )y lda N 1+ sta
#cr # lda [[ N winc N x) cmp 0= ?]
N lda sp x) sta N 1+ lda sp )y sta
next jmp end-code
Code (cr<
sp x) lda N sta sp )y lda N 1+ sta
[[ N wdec #cr # lda N x) cmp 0= ?]
N lda sp x) sta N 1+ lda sp )y sta
next jmp end-code
: cr< ?b (cr< ; : cr> ?e (cr> ;
: pg< rows 0 DO cr< LOOP ;
: pg> 1- rows 1- 0 DO cr> LOOP ;
\\
: cr< ?b BEGIN 1- cr? UNTIL ;
: cr> ?e BEGIN 1+ cr? UNTIL ;
\ move-Base clv20jan88
: leftchars ( adr--adr u)
dup dup cr< 1+ - ;
: rightchars ( adr--adr u)
dup 1- cr> over - ;
: savCol dup dup cr< - col+ +! ;
: useCol dup cr> over - col+ @ over -
dup 0< IF + 0 THEN col+ ! + ;
: noCol col+ off ;
: cr? ( adr--adr flag) dup c@ #cr = ;
: ?eL ?e dup 1- cr> fEnd @ - ?exit cr< ;
\ executables clv20jan88
( char adr-- char adr')
: begLn noCol cr< 1+ ;
: endLn noCol 1- cr> ;
: up savCol cr< cr< useCol ;
: down savCol 1- cr> ?eL useCol ;
: lastPg savCol pg< useCol ;
: nextPg savCol pg> ?eL useCol ;
: begPg savCol drop scrBeg @ 1- useCol ;
: endPg begPg nextPg ;
: beg savCol drop fBeg @ 1- useCol ;
: end savCol drop fEnd @ cr< useCol ;
: right cr? IF 1 col+ +! ELSE 1+ THEN ;
: left col+ @
IF -1 col+ +! ELSE 1- ?b THEN ;
\ ..exe clv21jan88
: doChar col+ @ 0 ?DO bl fEmit LOOP
noCol over fEmit ;
: backDel col+ @
IF left ELSE 1 fDel THEN ;
: delChar right backDel ;
: wait BEGIN key? UNTIL ;
: exitEd curPos ! drop exitRp @ rp! ;
: info at? 5 0 at
2dup swap cr . . ." at" .i
wait at ;
: help tab @ BEGIN count WHILE
dup @ >name .name 2+ REPEAT
drop wait ;
\ leer clv20jan88
\ writeFile clv20jan88
Onlyforth
: writeFile
8 2 busopen fName count bustype
" ,p,w" count bustype busoff
derror? ?exit
8 2 busout 0 0 bus! bus!
fBeg @ fEnd @ over - bustype busoff
8 2 busclose
0 (drv ! derror? ?exit ;
: readFile
0 (drv !
8 2 busopen fName count bustype
" ,p,r" count bustype busoff
derror? ?exit fBeg @
8 2 busin bus@ drop bus@ drop
BEGIN bus@ over c! 1+ $90 c@ UNTIL
fEnd ! busoff
8 2 busclose derror? ?exit initroom ;
\ leer clv20jan88
| : skp bus@ drop bus@ drop ;
| : wrd bus@ bus@ $100 * + . ;
| : str
BEGIN bus@ ?dup WHILE emit REPEAT ;
: files \ Filename kann folgen
(drv @ 8 +
dup 0 busopen
" $0:" count bustype
bl parse bustype
" *" count bustype
busoff derror? ?exit
dup 0 busin
skp skp \ Sector,Zeilenlink
BEGIN cr wrd str skp $90 c@ UNTIL
0 busclose derror? ?exit ;
\ leer clv20jan88
: fLine #tib @ >tib @ + 1+
dup fEnd @ u> IF drop rdrop exit THEN
dup 1- cr> over - #tib ! >tib !
>in off ;
: .fLine
cr >tib @ dup 5 u.r space
#tib @ type space ;
: xx
>tib push #tib push >in push r0 push
['] 'quit >body push
['] unnest Is 'quit
['] .status >body push
rp@ r0 ! page
['] .fLine Is .status
curPos @ >tib ! -1 #tib !
BEGIN fLine .status interpret REPEAT ;
: loadFile
curPos ! >r xx r> curPos @ wait ;
\ leer clv20jan88
: fConvey ( [from to]--)
1+ swap curPos @ -rot
?DO rows 0
DO #cr fEmit
J block I c/l * + c/l fType
LOOP 1 fDel LOOP drop ;
\ redraw show clv20jan88
: redraw BEGIN scrBeg @ fEnd @ over -
scrCol @ .page drop drop
over u< WHILE
dup pg< 1+ scrBeg ! REPEAT ;
( adr--adr')
: cursor \ dup curPos ! \ test
scrBeg @ 1- -1 -rot
BEGIN rot 1+ -rot
cr> 2dup u> not UNTIL
drop leftchars scrCol @ -
rot swap col+ @ + 'at ;
: ?sR? leftchars col+ @ + dup cols - 1+
scrCol @ max min scrCol ! ;
: ?sB? dup scrBeg @ u< not ?exit
dup begLn scrBeg ! ;
: show ?sB? ?sr? redraw cursor ;
\\ leer \\\\\\\\\\\\\\\\\\\\\ clv21jan88
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\ \
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
\ maintab clv21jan88
: A+ [compile] Ascii + ;
: Ctr -$40 A+ ; : Cbm $60 A+ ;
: Ct+ $40 A+ ;
: => c, ' , ;
Create maintab \ <key> c, ' word ,
Ctr ] => right Ct+ ] => left
Ctr q => down Ct+ q => up
Ctr u => begLn Ctr i => endLn
Ctr h => begPg Ctr j => endPg
Ctr g => lastPg Ctr k => nextPg
Ctr b => beg Ctr n => end
Ctr f => files Ctr l => loadFile
Ctr c => exitEd
Ctr t => backDel Ctr d => delChar
Ctr w => writeFile Ctr r => readFile
Ctr o => info
Ctr p => help
\ Ctr ? => redraw
0 => doChar
\ 0 2 +thru
\ editop clv20jan88
: dokey ( adr char --adr)
tab @ 3 -
BEGIN 3+ dup c@ WHILE 2dup c@ = UNTIL
1+ @ ( adr char cfa )
>r swap r> execute nip ;
: editop
rp@ exitRP ! \ fuer exitEd
curPos @
BEGIN
key? 0= IF show THEN
key maintab tab ! dokey REPEAT ;
\ edi3 test clv21jan88
: init limit $e000 u> abort" limit!!"
0 dup scrCol ! col+ !
limit 1+
dup scrBeg !
dup fBeg ! dup fEnd !
dup curPos !
drop
$0d fBeg @ 1- c!
initroom ;
: red editop
page ." end of edit" ;
: edit bl parse $20 umin fName place
init readFile red ;
clv20jan88
\ editop clv13jan88
: dokey ( char--)
tab @ 3 -
BEGIN 3+ dup c@ WHILE 2dup c@ = UNTIL
1+ @ ( char cfa ) execute drop ;
: (editop
rp@ exitRp ! \ fuer exitEd
BEGIN key dokey REPEAT ;
: editop
tab push maintab tab !
show \ Task initialisieren
(editop
noshow ;
\ leer clv06jan88
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SKP ignoriert 2 bytes
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py<EFBFBD>;<3B>:<3A>ramdisk><3E>(<28>--)<29>[<5B><>amdisk<73>]<5D>rd<72><64><EFBFBD><EFBFBD><EFBFBD>
΀dup<EFBFBD>@<40>+<2B>dup<75>@<40><><EFBFBD><EFBFBD><EFBFBD>Ő(<28>adr<64>)<29>dup<75>2+<2B>@<40>rc
opy<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԋdrop<EFBFBD>;J:<3A>tape>disk<73><6B><EFBFBD><EFBFBD><EFBFBD>΀loadr
amdisk<EFBFBD>ramdisk><3E><><EFBFBD><EFBFBD><EFBFBD>lv05dec87<38><37><EFBFBD>tility<74>
zur<EFBFBD><EFBFBD>isksteuerung<EFBFBD><EFBFBD><EFBFBD><EFBFBD>creen-<2D>isks<6B>auf<75><66>ile
-<2D>isk<73><6B>ile-<2D>isk<73>auf<75><66>ape<70><65>amdisks<6B>von<6F><6E>ap
e<EFBFBD>auf<EFBFBD><EFBFBD>creen-<2D>isks<6B><73>rstellen<65>des<65><73>ape<70><01>
\<5C><>irectory<72>maketape<70>clv05dec87<38><37>iese<73><65>am
disk<EFBFBD>dient<EFBFBD>kopieren<EFBFBD>auf<EFBFBD><EFBFBD>assette.Ddisk"<22>2
<EFBFBD>relocate<EFBFBD>3<EFBFBD>now<EFBFBD>cont<EFBFBD>4<EFBFBD>lastdis?<3F>pla<6C>pla
<EFBFBD><EFBFBD>abel<EFBFBD>exits<EFBFBD>x<EFBFBD>ass<EFBFBD>otor<EFBFBD>ff<EFBFBD>jsr<EFBFBD>x<EFBFBD>ass<EFBFBD>rt<EFBFBD>f
f<EFBFBD>jsr<EFBFBD>cli<EFBFBD>ram<EFBFBD>xy<EFBFBD>ext<EFBFBD>jmp H\<5C>justage<67>clv
03dec87<EFBFBD><EFBFBD>abel<EFBFBD>bit<EFBFBD>esen<EFBFBD>\<5C>akt.<2E>yte<74>in<69><6E>Ҁz
urueck<EFBFBD>$10<31>#<23>lda<64>[[<5B>ptimer<65>ctrl<72>bit<69>0<><3E>?
]<5D>p<EFBFBD>ass<73>lda<64>$10<31>#<23>and<6E>z<EFBFBD>it<69>cmp<6D>0<><3E>?[<5B>clc
<EFBFBD>]?<3F>z<EFBFBD>it<69>sta<74>$10<31>#<23>lda<64>sndÀsta<74>\<5C><>ound<6E>
\\ altlasten cclv1jan88
Code >scr ( char--char')
sp x) lda tay .a lsr .a lsr .a lsr
.a lsr .a lsr .a asl
tax tya inx scrtab ,x and
dex scrtab ,x ora 0 # ldx sp x) sta
1 # ldy next jmp end-code
: t $18 0 at $100 0
DO cr I dup . dup emit
>scr dup . $fc8 c! LOOP ;
\\
: t0 $80 0 DO $100 0 DO I
( 9 sec) noop drop LOOP LOOP ;
: t1 $80 0 DO $100 0 DO I
( 60 sec) >scr drop LOOP LOOP ;
: t2 $80 0 DO $100 0 DO I
( 10 sec) cbm>scr drop LOOP LOOP ;
: t3 $80 0 DO $100 0 DO I
( 10 sec) >scr3 drop LOOP LOOP ;
<05>drop<6F>empty<74>-1<>+load<61>runme&tonkopf<70>empt
y<EFBFBD>1<EFBFBD>+load<61>testsignal<61>empty<74>\needs<64>relocat
e<EFBFBD>3<EFBFBD>load<EFBFBD>decimal<EFBFBD>'<27>tapeinit<69><74>s<EFBFBD>'restart<72>s
upertape<EFBFBD>savesystem<EFBFBD>ultraforth83"<22>empty<74>&
16<EFBFBD>load<EFBFBD>copy>tape4<01>\\<5C>zu<7A>maketape<70>clv03
dec87<EFBFBD><EFBFBD>ier<EFBFBD>ist<EFBFBD>der<EFBFBD>(fast)<29>komplette<74><65>opie
r-<2D>vorgangsonstige<67><65>ystemadressen<65>$07c8
<EFBFBD>><3E>abel<65>s<EFBFBD>ime<6D>\<5C><>onstanten<65>$b5<62>><3E>abel<65>cls
l<EFBFBD>$ff<66>><3E>abel<65>clssh<73>$78<37>><3E>abel<65>clssl<73>$16<31>>
<EFBFBD>abel<EFBFBD>c<EFBFBD>ync<EFBFBD>yteHG\<5C>wait<69>delay<61>inits/ex<65>
clv03dec87<EFBFBD><EFBFBD>abel<EFBFBD>wait<EFBFBD>$10<31>#<23>lda<64>[[<5B>p<EFBFBD>imer
<EFBFBD><EFBFBD>trl<EFBFBD>bit<EFBFBD>0<><3E>?]<5D><>abel<65>timer<65><72>tart<72>s<EFBFBD>ime<6D>
lda<EFBFBD>p<EFBFBD>imer…sta<EFBFBD>0<EFBFBD>#<23>oom<6F>@<40>u><3E>abort"<22>no<6E>
room"<22>[']<5D>floppy<70><79>s<EFBFBD>from<6F>[']<5D>supertape<70><65>s
<EFBFBD>to<EFBFBD>-->E<01>\<5C>lastdisk<73>wait<69>disk#<23>1of4<66>...
clv05dec87<EFBFBD><EFBFBD>ariable<EFBFBD>lastdisk<EFBFBD>:<3A>wait<69>key<65>d
rop<EFBFBD>;<3B>\<5C>wartet<65>auf<75>taste<74>:<3A>bitte<74>cr<63>."<22>bi
tte<EFBFBD>"<22>;<3B>:<3A>rein<69>."<22>einlegen!"<22>key<65>drop<6F>;<3B>:
<EFBFBD>disk:<3A><>reate<74>last<73>@<40>,<2C><>oes><3E>@code<64>C\
<EFBFBD>maketape<EFBFBD>clv05dec87<EFBFBD>:<3A>test<73>$8800<30>limit<69>=
<EFBFBD>not<EFBFBD>$8206<30>s0<73>@<40>=<3D>not<6F>or<6F>abort"<22>no<6E>room"<22>
;<3B>test<73>forget<65>test<73>\<5C><>amdisk<73>\<5C>rd<72>$8800<30>o
ver<EFBFBD>behind<EFBFBD>swap<EFBFBD>-<2D>move<76>\<5C>$8800<30>rduse<73>\<5C>$8
800<EFBFBD>'<27>limit<69>>body<64>!<21>\<5C>\needs<64>relocate<74>$1b
<EFBFBD>load<EFBFBD>\<5C>1<EFBFBD>buffersF.(<28><>nsert<72><74>ew<65>ape)<29>key
\\ Altlasten clv10jan88
\ geht:
Code x>scr ( char--char')
sp x) lda (>scr jsr 0 # ldx sp x) sta
1 # ldy next jmp end-code
\\ altes clv10jan88
\ geht:
Code xemit ( char--char flag)
N 6 + curAdr 2dup
lda sta 1+ lda 1+ sta
sp x) lda (emit jsr 0 # lda
CS ?[ $ff # lda ]?
pushA jmp end-code
Label endPg [[ (clrLn jsr CS ?]
Label endPg1
3 # lda .A asl tay
[[ SP dec dey 0= ?] tay dey
[[ N ,y lda SP )y sta dey 0= ?]
iny next jmp end-code
Code .page2 ( adr len col--ad+ len- col)
3 # lda setup jsr dey
curAdr ' scrAdr >body 2dup
lda sta N 6 + sta
1+ lda 1+ sta N 7 + sta
N 4 + wdec N 2+ winc
[[ N 4 + winc N 2+ wdec endPg beq
0 # ldx N 4 + x) lda
(emit jsr endPg1 bcs ]]
end-code
\\ altes clv10jan88
\\
Code t 1 # lda setup jsr
N wdec N lda pha N 1+ lda
push jmp end-code
Assembler also definitions
: wdec2 ( adr--) funktioniert nicht
dup dec 0= ?[ swap 1+ dec ]? ;
Onlyforth
Code t2 1 # lda setup jsr
N wdec2 N lda pha N 1+ lda
push jmp end-code
: tt 0 BEGIN 0 0 at dup 4 u.r
t stop? UNTIL drop ;
: tt2 0 BEGIN 0 0 at dup 4 u.r
t2 stop? UNTIL drop ;
\\ altes clv10jan88
: >count ( ad l ad+ l- --ad+ l- ad cnt)
2swap 2 pick - ;
\ : clrLn cols col DO bl emit LOOP ;
: .line ( adr len col--adr+ len- col)
>r 2dup #cr scan >count
r@ - swap r@ + swap
0 max cols umin type
dup IF 1- swap 1+ swap THEN r> ;
: xpage 0 0 at $0c00 $400 $2e fill ;
: .page ( adr len col-- adr+ len- col)
xpage rows 1
DO .line cr LOOP .line ;
CLEAR<41>+X <20>}=L;\<13><00>=(FORGET<45>+<2B><08>
(<28>3 is symbol<6F>;=\<13><00>=FORGET<45>+;/<2F>/$"
<19>3 protected<65>*<2A><08>(<28><00>*<2A><00><17>E=\<13>
<EFBFBD>=EMPTY<54>+/$"}=/2"0;\<13>>SAVE
<EFBFBD>+X }=%"<08><08><17>"<08><08>;"<08><08><18><1B><>}<12>/
D\<13>>>BYE<59>+<2B>9<EFBFBD>c\<13>+<2B>?P<17><19><00>9\
<EFBFBD><00>>STOP?<07>anschliessend<6E>25<32><35><EFBFBD><EFBFBD>Āein<69>ta
pe>disk-<2D>kopiert<72>alle<6C><65>amdisks<6B>vom<6F><6D>ape<70>i
n<EFBFBD><EFBFBD>creen-<2D>isks<6B><73>enn<6E>bei<65>einem<65>dieser<65><72>ort
e<EFBFBD>etwas<EFBFBD>schief<EFBFBD>geht,<2C>besteht<68>die<69><65>oeglich
keit<EFBFBD>an<EFBFBD>der<EFBFBD><EFBFBD>telle,<2C>wo<77>der<65><72>ehler<65>auftrat
<EFBFBD>fortzufahren.<2E><>azu<7A>dient<6E>das<61><73>ort:<3A><><EFBFBD><EFBFBD>Ԟ
aber<EFBFBD><EFBFBD>orsicht:<3A><>enn<6E><00>cC64TYPE<50>c<EFBFBD> S<16>
D$<24><16>& <20>b<EFBFBD><02>.<2E>><3E> l<><6C>?<3F>Hl<48>cl<63>b<EFBFBD><00>cDISPLA
Y<EFBFBD>><3E>bc<>cc5chc<68>c\<13>c<EFBFBD>><3E>lr<6C><72>JcB/BLK<4C>+
<EFBFBD><00>cBLK/DRV<52>+<2B><00><00>c(DRV.*<00>+d"
<14>\
<13>dDRIVE<56>+d$Z;\<13>(d>DRIVE<56>+d$<1E>
Z"<08>\<13>>dDRV?<3F>+Z"<08>dh\<13>ydDRVI
NIT<EFBFBD>+<2B>\<13><00>dI/O.*׈<00>dBUSO <09>'l<><<3C>(E,
<EFBFBD>)<29>-<2D> <0B>,<2C>$<24>,<2C>$lG<<3C>,<2C>$<24>-<2D>%l<><l<><12>+%"<08><08>
<00>PZ<17><16><<3C><12><1B><>\<13>+}#<17>"}<12><16>(<00>"
<08>X <20><18><00>"#"<08>;<08><17>"<08>N<><4E>\<13>+
%<12><R,<2C><> <00>%"z<15><18>
/<18>-%;/<18><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<15>,"z<15><18>
/<18>-<2D>,;\<13><00>;
CUSTOM-REMOVE
I0<EFBFBD><11>+<2B><08><'=M<{=<3D>(<28><08>i(L;<08>~';\<13><00>=
\ room clv06jan88
: ?enough ( n--n)
dup lastroom @ @ > abort" no room" ;
: ?range ( adr n -- adr n)
over lastroom @ u> abort" beyond room"
; \ kriegt spaeter die verschieberei
: room ( adr n -- adr')
?enough ?range
\ 2dup + -rot dup fEnd +!
>r dup dup r@ + ( adr adr adr to)
lastroom @ dup @ ( " oldroom oldlen)
r@ - over r> + ( oldrm nlen nrm)
dup lastroom ! ! ( adr adr to oldrom)
rot - move ;
\\ unfertig clv25jan88
User inFcb User outFcb
User >fcb
: Fcb Create $40 allot ;
: Fcb: Create dup c, does> c@ >fcb + ;
: fName ( adr cnt fcb--)
0 Fcb: fName $20 +
Fcb: fBeg 2+ Fcb: fEnd 2+
Fcb: fOut \ Beginn von Room
Fcb: fIn \ nach Room
drop
j<>bjy
<1B>b
k<>b
<1D>bjy<6A><08>\-zy EDIDE
CODE<EFBFBD>+
<18>@<1C>
m<>?d<13>a@<1C><m<><17>y<EFBFBD>Q!
"[<19><00>Q!"<08><><EFBFBD><EFBFBD><00><15>%JFl<46><08>#J<><4A><EFBFBD><EFBFBD>
Q!;d<13>m<>
.v<><13>v<EFBFBD>\-<00>y EDIEXPECT<43>
+<2B>wQ!;<08><17>Q!"<19>
<00>?I?<3F><1B><><EFBFBD><15>4\-zE
DIBOARD<EFBFBD>?La[a<>y z\<13>!y
SAVESYSTEM<EFBFBD>+<2B>32<>
<17>3;<08>32<>#$<1E><15>3;\<13>+<2B>3"<08><08>l#x<1F>l<EFBFBD>
<19><16>c<EFBFBD>K<19>l#6<1F>d?\<13>+<2B>l
<01>r\<13>+<2B>r<EFBFBD>3"<08>
9Sm<EFBFBD>;q<><08>3"<08>9<EFBFBD>mJ9
\<13>+<2B>r
\<13>+
<EFBFBD>r
\<13>+<2B>3"<08>9wmm<><17>l<EFBFBD>r<EFBFBD>\<13>+<2B>r<EFBFBD><08><17>3
[<08>r\<13>+<2B>r<EFBFBD><08><17>3[<08>r\<13>+<2B>r<EFBFBD><08>l"<08><08>q<EFBFBD>[<19>
<16><00><16>3[<08>r\<13>+<2B>r<EFBFBD>m"<08>3"m;<08>3;<08>r\
"q DIGDECODE<44>+<2B>a@(<28>()P<><50><18><04><07><02><14>
<03>'<27><07>&<26><><07>l<EFBFBD><18>$%P<10><18><06><07><02><14>l<><18>&A*<2A>
<EFBFBD><EFBFBD><07><07>$<00><10><>$PF%F$<24>&P<02>'l?k)k2!<21>k<EFBFBD> S
<EFBFBD><03><07>$<24><10><>l<><00>k2@l<><07>$<24><07>%<25>8<><02><07>F
<14><03>$<24><07><10>lha<00>k 2VARIABLE<4C>+A)Z<17> \$l
2CONSTANT<4E>+A) ! !<21>(l<>(l\<lUNLINK<4E>+<2B>
<17>/<18><07>k\<13><00>l <00>*)?*$* <09>F1<16><18>
<00>$not <20>$changed<65>Z1<16><00>9<EFBFBD>
1

<EFBFBD><19> <00>$, saved
1<16><1B><00>$ , loading?<3F>3
"<08>3"<08>w\,<xL<>+<2B>3<EFBFBD>cx\,TxR<>+<2B>3"cx\
,<00>x+L<>+<2B>3"<08>Xx\,<00>xV<>+;/<2F>*<2A><08>Z<17>
"\,yVIEW<45>+ y<><08>Xx<58><00>$
from key
board\<13>+,m"0mJ<13>\,<00>vCURLIN<49>+
<1B>b
\ @tva clv29jan88
Assembler also definitions
: tva ( source dest--)
swap 2dup lda sta 1+ lda 1+ sta ;
: @tva ( source^ dest--)
swap 2dup x) lda sta )y lda 1+ sta ;
Onlyforth
\\ alt
Label (cr?
N x) lda #cr # cmp 0<> ?[
Label (fe?
fBeg N 2+ tva
N N 2 + wcmp CS ?[
fEnd N 2+ tva
N N 2 + wcmp CC ?[
0 # lda pha push jmp ]? ]? ]?
$ff # lda pha push jmp end-code
<07><13> <04><13><>?<3F>x`<60>+iC64INIT<49>i `ilha
<01><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><00>iC64FKEYSMi<4D>J0 <09><>i<EFBFBD>]lOi
lha{<00>ic(64<36>+$<24> <20><18>3
C) missing"/C)<29><19>
<1B><>\{<00>ibC)<29>+\{ jc(16<31>+\{jFORTH-83
<EFBFBD>+\<13>"j ASSEMBLERv-<2D><><EFBFBD><EFBFBD><EFBFBD>-<2D>PUSHA<48>+<1C>
ijPUSH0A<30>+<1C>wjPUSH<53>+<1C><00>jRP<52>+<00><00>
jUP<55>+<00>v<>qv<71>qv<71>qv\<13>+<2B><08><17><19><00>v
<EFBFBD>\(wq(PAD.*<00>+<2B> <20><08>v;<08>l3<1E><15> ma;
<EFBFBD>l<EFBFBD><15>&ma;<08>l<EFBFBD><15>m;<08>l3<1E><15>m;ma<17><17>ma
<17>/<18>p<EFBFBD> P ma"D<1F> m;/q<>
1P&
ma"D<1F>&m;\<13>+<2B> <20>v"<08><19><13>v\<13>+#$<24>+/
d*w;<08>p<EFBFBD>a\<13>+D!"<08><08><18>.wd<13>!"<08><17>3;<08>
p<EFBFBD>aIp<EFBFBD>3"<08><08><16><00>3; <18><03><15>P<12><08>D<1F><12>l
?4<> <20>\<13>+:n<><16><08>n<><08>l<EFBFBD> n<>l<EFBFBD><15><08><16>po\
<13>+|n<><08>
<08>b\<13>+ml<>#<17>m"nK[<19><08>+
nJml<><15><13>ma[\<13>+Ko<4B><08>|n\<13>+Ko<4B><08>
<EFBFBD>o\<13>+ma"<08><18><08><13>n<EFBFBD><08><13>ma[ml<>J+
n<EFBFBD>\<13>+<2B>ml<>n[<19><08>n<>ml<><15>lD<1F>l<EFBFBD>ma[
\<13>+;p<><08><13>n\<13>+;p<><08><13>o\<13>+<2B>l
INDEX<EFBFBD>+#
<EFBFBD><08><>!?%F<17>5%<1B>9#
%#?<3F>><3E><00>J<><4A><EFBFBD>\<13>
<EFBFBD>hFINDEX<45>+Cg<43><00>d#<17><08><>1?%F<17>5<EFBFBD> <20>
%33<1E>f&gP#
%#?<3F><12>><16><00>J<><4A><EFBFBD><EFBFBD>g\<13>
<EFBFBD>hINK-POT.*<2A><><00><><00><><00>i INIT-SYSTEM;
i<EFBFBD><EFBFBD><EFBFBD>lha<EFBFBD>><3E><>vi<76>xi<78>ih<69>\h<><68>h<><03>l<><6C><EFBFBD>?<3F>@؍>
<EFBFBD><EFBFBD>i<EFBFBD><EFBFBD><EFBFBD><EFBFBD>a<EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD>i<><19><>i<><15><>i<>@<05><><EFBFBD>@
 P<17><19><08><13>S<><53>q<EFBFBD>m"<08><16>><3E>1<16><08><00><18>
s<><08>s<><08><1B><><EFBFBD>\<13>+?$
@<40>\.*<1F>
<EFBFBD> <0C><><EFBFBD><EFBFBD><EFBFBD><1E><><EFBFBD><EFBFBD><11><><13><> <0F>.*ss'sis
iu<EFBFBD>p>o>o<>r<EFBFBD>r<EFBFBD>r<EFBFBD>r<EFBFBD>o<EFBFBD>o<EFBFBD>p<EFBFBD>p;qr<>oppo&o|n<>
n<EFBFBD>n<EFBFBD>n<EFBFBD>n<EFBFBD>n<EFBFBD>n<EFBFBD>n<EFBFBD>opo^o<>p<EFBFBD>p<EFBFBD>n0v<30> S<16>$<24>H<EFBFBD><48>uI<75>
<EFBFBD>E&P<><50>
<EFBFBD><EFBFBD><EFBFBD>uh<EFBFBD><EFBFBD>ul<1C>+4m<34><13>6
<18><><17><>J<><4A><EFBFBD>\
<13>+4m2<>q n<>l<EFBFBD><15>J?4<><19>1:n<>1<16><08>
<18><>b\<13>+tn<74><08>m"<08><00>n<EFBFBD><08><13>n\<13>+ m"<08>
z?<3F>l<EFBFBD>[1<16><08>
<11>b\<13>+tn<74><08>
<1D>b\<13>+ n<>
lq4<EFBFBD><15>l<EFBFBD>K<19>l6<1F>d?<3F>\<13>+<2B>

<EFBFBD><17><><00>|n<>
<08><00>J<><4A><EFBFBD>\<13>+
<05><17><>
<18><>bJ<62><4A><EFBFBD><EFBFBD>\<13>+z?
<EFBFBD>d?<3F>lm<><17>n\<13>+n<>l?4<> <20>\<13>++n<>l<EFBFBD>?<3F>?4<>
<20>\<13>+n<><08>l<EFBFBD><15> n/<17>3;'q<>2<><17>v<EFBFBD>2
<EFBFBD>e>
F<17>e<EFBFBD><17>#<23>e<EFBFBD>$,p,w<> <20>e<EFBFBD>d
Fze<7A>

<17><16>/<01><1F><08>e<EFBFBD>eX <20><08><16>e<EFBFBD>d
F<17>e<EFBFBD>d;y
f<EFBFBD>3
save-error\<00>jEND-CODE<44>+D,<2C>"D,;
\<00>zINDEX.* <11> <09>
<19><><EFBFBD><EFBFBD><08><><EFBFBD><EFBFBD><EFBFBD>
<1C><>,.*<00>zMODE:<3A>+A)!<21>(l<>(J%[;\+
[.A;[h[#;[;[r[,X;[d?m"P<17>
5<EFBFBD>d?X #PFsW?Q!"<08><08>X <20><15>_'<27>m;d?
m"P<17>5{b<>d? ma"<08>l<EFBFBD><17>?<3F>W?Q!"<08><08>
m;d? mlt<>d?&ma"<08>l<EFBFBD><17>?<3F>W?Q!"<08><08>
&m;d?&mlt<>pIqd?\<13>+<2B>r<EFBFBD> ml<>3"<08>3"<08>9<EFBFBD>
<15>c<EFBFBD>3"<08>3k<33><18><00><17>
<00>3"<08>9<EFBFBD><16>3;<08>r\<13>+
<EFBFBD>r<EFBFBD>#t
u<EFBFBD>3"<08>'<00>?<3F>
r<><19>Rs<52><08><00>d
\ cursor-movement clv22jan88
\\ alt
( adr--adr')
\ setzt #cr vor und nach File voraus
: ?b fBeg @ umax ; : ?e fEnd @ umin ;
Code (cr>
sp x) lda N sta sp )y lda N 1+ sta
#cr # lda [[ N winc N x) cmp 0= ?]
N lda sp x) sta N 1+ lda sp )y sta
next jmp end-code
Code (cr<
sp x) lda N sta sp )y lda N 1+ sta
[[ N wdec #cr # lda N x) cmp 0= ?]
N lda sp x) sta N 1+ lda sp )y sta
next jmp end-code
: cr< ?b (cr< ; : cr> ?e (cr> ;
: pg< rows 0 DO cr< LOOP ;
: pg> 1- rows 1- 0 DO cr> LOOP ;
\\
: cr< ?b BEGIN 1- cr? UNTIL ;
: cr> ?e BEGIN 1+ cr? UNTIL ;
\ move-Base clv25jan88
\\ alt
: leftchars ( adr--adr u)
dup dup cr< 1+ - ;
: rightchars ( adr--adr u)
dup 1- cr> over - ;
: savCol dup dup cr< - col+ +! ;
: useCol dup cr> over - col+ @ over -
dup 0< IF + 0 THEN col+ ! + ;
: noCol col+ off ;
: cr? ( adr--adr flag) dup c@ #cr = ;
: ?eL ?e dup 1- cr> fEnd @ - ?exit cr< ;
 F<14><02><07><02><07><18><02><02><02>l <00>R@<13>8<>
<EFBFBD><07>F<14><02><07>l<13>RDROP1EXITf<13><02>
<0E><02>l=UNNEST^<13><02><0E><02>ls?EXI
T<EFBFBD><13><14><18><02><07><02>(P<>l <00>EXECUTE<54><13>
<EFBFBD><1C><07><1D><18><02><07><02>l<00>PERFORM<52>+"<08>\
<00>C@L<13><07>$<24><07>%<25><00><07>$lEC!<21><13><07>$<24><07>
%H<><07>$<24><>e 2 -- Quelltext des Systems
<08><01>640a<08><01>" Seite 3 -- Forth-Quelle
xtey<08><01>" - 6502-Assembler<00><08><01>" - Full
-Screen-Editor<00><08><01>" - Debugging Tools<00>
<08><01>" - Multitasker<00><08><01>" - Drucker-Trei
berF<08><01>:<3A>:<3A><00>B<01>" Seite 4 -- Grafik/T
apeL<01>" - Grafik 
<EFBFBD><04><07><02>l <00>CTO
GGLE<EFBFBD>+<2B>Jn<16><08>\<13>@$<08><07>$<24><07>%<25>$<24><07>$l
<00>!=<08><07>$<24><07>%H<><07>$H<><07><01>$l<><13>7+!]
<08><07>$<24><07>%H<><18>$<24>$H<><07><01>$lovDROP<4F><00>
SWAP<41><08><07><><03><07>$<24><><07>$<24><01>H<><00><07>$<24><07><07><>$l
<00>DUP<55><08>8<><02><07>F<14><03><07><01>H<><07>l<00>
?DUP<55><08>Pl l<>VOVER<45> <08>8<><02><07>
F<14><04><07>H<><07><01>l <00>ROT<15><03><07>%<25><01><07>
<EFBFBD><07><05><07>$<24>%<25><07><01>$<24>H<><07>%<25><07><07><04><07><07>%<25><07>l
-ROT<4F>+\sNIP<49>+<2B><08>\<00>UN
DER<EFBFBD>+<2B><08>\<00>PICK<43>+#3;<12>"\<00>RO
LL<EFBFBD>+<2B>P<12>;<12>a<17>#3<1E><1F>\<00>2SWAP<41>+
P<15>\<00>2DROP<4F>V2DUP<55>+<2B><08>\
File c16ultraforth83 - Systemkernf"<01>
" - File c64ultraforth83 - Systemkern<00>,
<01>" - File c16demo - Arbeitssystem mit Ta
pe<00>6<01>" - File c64demo - ''
GrafikJ@<01>" - Hilfstexte & Kontaktadr
essen<00>j<01>" - Diskettenutilities<00>t<01>
^<01>" Seit
<EFBFBD>+<2B>H<><07><07><07><><07><03><07>l<> <00>
ORH<><07><07><><07><07>l<> AND3H<>1<07>
<07><><07>1<07>l<> +XORpH<>q<07><07><><07>q<07>l<>
!h-<2D>H<>8<><07>H<><07><01><07><03>l<>!<00>NOT<4F>
<18><><07><07><><07>l !<00>NEGATE<54>8<><38>"<00>DNEGAT
E<EFBFBD>H8<48><38><07>H<><48><07><07><><07><07><01><><07>l
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><07>$<00>
<10><><18><07><07><02><14><00>`"<00>D+<2B><16> SH<><18>&<26>
H<EFBFBD><07>'<27><07><07>$<24><07><01><07>%<25>l #<00>1+%<17><18><07>l
<00><07><07><00>l #2+c<17>P<>#<3+p<17>PSv
<EFBFBD>PM\<17>PG#i1-<2D>8<><07><01>l<00><07><07><00>l #
<00>2-<2D><18><>$<00>TRUE<55>+<2B><>$<00>FALSE<53>+$<00>
"-1<>$<00>!0<>$<00>1<>+$<00>2<>+$B3<>
+$L4<>+$VON<4F>+<2B><17>;\ t sein ei
genes3H<00>" Diskettenverwaltungssystem,
daher[R<00>" bitte immer die ganzen Diske
tten<00>|<00>" kopieren und nicht nur die Fi
les!!!<00><12><00><00><12><00> 640:<3A> seitenvorschubG
<12><00>" Die Disketten enthalten:M<01><00>
<EFBFBD>" Seite 1 -- System-Diskette<01>" -
\ writeFile clv22jan88
\\ noch alt
Onlyforth
: writeFile
8 2 busopen fName count bustype
" ,p,w" count bustype busoff
derror? ?exit
8 2 busout 0 0 bus! bus!
fBeg @ fEnd @ over - bustype busoff
8 2 busclose
0 (drv ! derror? ?exit ;
: readFile
0 (drv !
8 2 busopen fName count bustype
" ,p,r" count bustype busoff
derror? ?exit fBeg @
8 2 busin bus@ drop bus@ drop
BEGIN bus@ over c! 1+ $90 c@ UNTIL
fEnd ! busoff
8 2 busclose derror? ?exit initFile ;
<11>#<23>\dL$b.(<28>+
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1eE+LOOP<4F>+P<17>6!<21><>6!<21><><EFBFBD>\1`<1D>LEAVE<56>+<2B>
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8<EFBFBD><02>&<26><07><>!H<>'<27><07><>!<18><04><07><07><02><14> <0C><04><07>$H<><04>
<01><07>%<25><>*<2A>$<24>(HF*<10><> <20>$<24>l b<00>"SOURCE<43>+D!
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<EFBFBD> S<16>$AP <09>%QPl<><18>l08BIF<49>+6!<21><1B><1B>
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<1B><1B><08><1B>\0<00>EBEGIN<49>+UF\0<00>EWHILE<4C>+
F<17>F6!<21><1B>/<18><>H\<13>+<2B><1B>/<18><><EFBFBD><19>
<00><08>
\ altes .line clv30jan88
BEGIN over WHILE swap 1- swap c>
dup cr? IF nip pClr exit THEN
REPEAT nip cols swap
BEGIN over WHILE swap 1- swap c>
dup cr? IF nip pClr exit THEN
dup c@ >scr curAdr @ c! 1 curAdr +!
REPEAT nip l> ;
\ .page 3.Ver Forth clv29jan88
\needs >scr 5 load \ CBM-Screencodes
: pPut ( char--)
>scr curAdr @ c! 1 curAdr +! ;
: xmod mod ;
: pClr curAdr @ dup scrAdr - cols xmod
cols swap - 2dup + curAdr ! bl fill ;
: pGet ( adr--adr+ char) c> dup c@ ;
: pCol ( col adr--col ad+)
over 0
?DO c> dup cr? IF c< leave THEN LOOP ;
: .page ( adr col--ad+)
\ interprets #cr,skips col (left of scr)
scrAdr curAdr ! swap rows 0
DO pCol cols 0
DO pGet over cr?
IF drop pClr c< leave THEN
pPut LOOP l>
LOOP nip ;
\ forget pPut 0 4 +thru
F<14><02><1C>H<><1C><01>l o<00>+VARIABLE<4C>+A)F<17>
\p|+UALLOT<4F>+<2B>0"<08>
<18>[<19>3
Userarea
full0"<08>0[\p<00>+USER<45>+A)F<17>+!<21>(<28>8<>
<02><07>F<14><02><18><04><07>H<EFBFBD><05><01>l p),ALIAS<41>+A)
~'"<08>J
 1<16> /<18><><EFBFBD> <20>
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,CONTEXT<58>VERT<52>+#<17> <20>%<25><00>%<25><1B><><EFBFBD>\<13>+<2B>
&"<08>\<13>+<2B> <20><17>&[\<13>+<2B><17> \fM%DPL.*<2A><><EFBFBD>+
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6<00>UD/MOD<4F>+P<12><13><1E><12>P<12><1E>\7<00>CM
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<EFBFBD><00>3;<08>!"<08>3;33\_<00>3<EFBFBD>(ABORT"<22>+<2B>$<24><08>
P,(<28><12>d<13>\<13>+<2B>$<24><08><12>d<13>\_V3
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4BL<42>+ `:4 -TRAILINGs4<73> S<16><07>&<18><07>%<25>'<27>$
<18><13><>&I <20> HP<02>%<25>h<EFBFBD>%l<1C>P<EFBFBD>F'F%<10><>l<1C>e4S
PACE<EFBFBD>+?4
?\<13><00>4SPACES<45>+<2B><17><><00>4J<34><4A><EFBFBD>\<13>
\ altes clv13jan88
: redraw
scrBeg @ 1+ fEnd @ over -
scrRow @ .page drop drop
scrEnd ! ;
( adr--adr)
: cursor
scrBeg @ 1- -1 -rot
BEGIN rot 1+ -rot
cr> 2dup u> not UNTIL
drop leftchars scrRow @ -
rot swap 'at ;
: ?sE? scrBeg @ pg> over u> ?exit
dup pg< 1+ scrBeg ! ;
: ?sR? leftchars dup cols - 1+
scrRow @ max min scrrow ! ;
: ?sB? dup scrBeg @ u< not ?exit
dup begLn scrBeg ! ;
\ altes clv13jan88
$100 $100 Task showTask
multitask
: (show
?sB? key? ?exit
?sR? key? ?exit
?sE? key? ?exit
redraw key? ?exit cursor curon ;
: show showTask activate
BEGIN curPos @ (show drop
pause REPEAT ;
: noshow showTask activate
clearstack r0 @ rp! stop ;
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\ cursor-movement clv14jan88
\ setzt #cr vor und nach File voraus
( adr--adr')
: ?b fBeg @ umax ; : ?e fEnd @ umin ;
: pg< rows 0 DO cr< LOOP ;
: pg> rows 0 DO cr> LOOP ;
\\
: cr? ( adr--adr flag) dup c@ #cr = ;
: cr< ?b BEGIN 1- cr? UNTIL ;
: cr> ?e BEGIN 1+ cr? UNTIL ;
\ executables clv14jan88
( rp char adr--rp char adr')
: lastLn cr< ?b ; : nextLn cr> ?e ;
: begLn cr< 1+ ; : endLn 1- cr> ;
: lastPg pg< ?b ; : nextPg pg> ?e ;
: begPg drop scrBeg @ ;
: endPg begPg nextPg ;
: beg drop fBeg @ ; : end drop fEnd @ ;
: right 1+ ?e ; : left 1- ?b ;
: wait key drop ;
: exitEd nip swap rp! ;
: dochar col+ off
over >r rp@ 1 insert rdrop ;
: backDel 1 back ;
\\
: delChar ;
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\ altes clv13jan88
: redraw
scrBeg @ fEnd @ over -
scrRow @ .page drop drop
scrEnd ! ;
( adr--adr')
: cursor \ dup curPos ! \ test
scrBeg @ 1- -1 -rot
BEGIN rot 1+ -rot
cr> 2dup u> not UNTIL
drop leftchars scrRow @ -
rot swap at ;
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dup pg< 1+ scrBeg ! ;
: ?sR? leftchars dup cols - 1+
scrRow @ max min scrRow ! ;
: ?sB? dup scrBeg @ u< not ?exit
dup begLn scrBeg ! ;
: show ?sB? ?sr? ?se? redraw cursor ;
\ 0 4 +thru
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Code xpClr ( curLn--)
1 # lda setup jsr
N 6 + N 2dup lda sta 1+ lda 1+ sta


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\ .page altes clv11jan88
Code .page3 ( adr len col--ad+ len- col)
\ setup of N... y
3 # lda setup jsr N 2+ # ldy neg jsr
\ setup of actLn
N 6+ ' scrAdr >body 2dup
lda sta
1+ lda 1+ sta
tsx N 9 + stx \ Exit SP
0 # ldx 0 # ldy
N 4 + wdec N 2+ wdec pCol jsr
[[ pGet jsr 0=
?[ pClr jsr pCol jsr
][ pPut jsr ]? ]] end-code
: .page5 page .page3 ;
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