mirror of
https://github.com/uffejakobsen/acme.git
synced 2024-11-20 05:36:14 +00:00
0ec58e8b15
git-svn-id: https://svn.code.sf.net/p/acme-crossass/code-0/trunk@12 4df02467-bbd4-4a76-a152-e7ce94205b78
801 lines
16 KiB
Plaintext
801 lines
16 KiB
Plaintext
;ACME 0.94.4
|
|
|
|
!zone
|
|
; Programm:
|
|
mainloop
|
|
; Cursor setzen:
|
|
lda posy ; screeny = posy-spry
|
|
sec
|
|
sbc scry
|
|
tay ; y in Y
|
|
; ab hier X
|
|
lda posx ; screenx = posx-scrx
|
|
sec
|
|
sbc scrx
|
|
jsr crsrset ; set crsr
|
|
; hier eigentliche Hauptroutine
|
|
lda nwfrm ; new frame ?
|
|
beq +
|
|
jsr newframe ; yes = >
|
|
+ lda updatewbi ; update flags?
|
|
beq +
|
|
jsr showwbi ; yes = >
|
|
+ jsr getchar ; get CHARACTER
|
|
tax ; & buffer
|
|
and #%.##..... ; command ?
|
|
beq + ; yes = >
|
|
eor #%.##..... ; command ?
|
|
beq + ; yes = >
|
|
jsr chrout ; char out
|
|
jmp mainloop
|
|
+ jsr execom ; execute command
|
|
jmp mainloop
|
|
|
|
!zone
|
|
; Pseudo-Sub: (ESC uses jmp)
|
|
F_esc clc ; 'ESC' on!
|
|
lda clraktv
|
|
ldx #hFlag_Escape
|
|
jsr setflagdata
|
|
- jsr getkey ; get KEY
|
|
beq -
|
|
sta byte ; & buffer
|
|
clc ; 'ESC' off!
|
|
lda clrinak
|
|
ldx #hFlag_Escape
|
|
jsr setflagdata
|
|
ldx byte ; get byte
|
|
txa ; & buffer
|
|
eor #%.#...... ; a-z ?
|
|
and #%.##.....
|
|
bne + ; no = >
|
|
txa ; get byte
|
|
and #%...##### ; & short
|
|
asl ; *2 &
|
|
tax ; as index
|
|
lda etab + 1, x ; get Hi
|
|
beq .no ; 0 = >
|
|
sta .m + 1 ; set
|
|
lda etab, x ; get Lo
|
|
sta .m ; set
|
|
.m = * + 1: jmp MODIFIED16 ; execute sequence
|
|
|
|
.no rts ; nothing...
|
|
|
|
+ txa ; get byte ( = FKey?)
|
|
bpl .no ; out = >
|
|
eor #%..#..... ; convert
|
|
and #%.##..... ; test
|
|
beq .no ; out = >
|
|
txa ; get byte
|
|
and #%...##### ; convert
|
|
cmp #$05 ; test bottom border
|
|
bcc .no ; too low = >
|
|
cmp #$0d ; test upper border
|
|
bcs .no ; too high = >
|
|
; here: define f-keys !
|
|
rts
|
|
|
|
!zone
|
|
; NMI
|
|
nmirtn lda #0 ; clear keybuffers
|
|
sta ndx
|
|
sta kyndx
|
|
jmp nmiend
|
|
|
|
!zone
|
|
; Subs:
|
|
execom txa ; get & convert Byte
|
|
bpl + ; (therefore strange
|
|
eor #%#.#..... ; vectorlist)
|
|
+ asl
|
|
tax
|
|
lda ctab + 1, x ; get Hi
|
|
beq noroutine ; 0 = >
|
|
sta .m + 1 ; and set
|
|
lda ctab, x ; get Lo
|
|
sta .m ; and set
|
|
.m = * + 1: jmp MODIFIED16 ; use command
|
|
|
|
noroutine rts ; not defined (fixme - could save a byte here)
|
|
|
|
!zone
|
|
F_new jsr willblost
|
|
beq noroutine
|
|
jsr newtext
|
|
jsr needline
|
|
ldx #$0f ; use counter as "TRUE"
|
|
stx nwfrm
|
|
stx updatewbi
|
|
stx unnamed
|
|
- lda newname, x
|
|
sta txtname, x
|
|
dex
|
|
bpl -
|
|
inx
|
|
stx changes
|
|
rts
|
|
|
|
!zone
|
|
newtext ldx #1 ; '1'
|
|
stx scrx ; as X of screen,
|
|
stx anfx ; blockstart, -end &
|
|
stx endx ; crsr.
|
|
stx posx
|
|
stx scry ; ...as Y-Lo
|
|
stx anfy
|
|
stx endy
|
|
stx posy
|
|
dex ; '0'
|
|
stx scry + 1 ; ...as Y-Hi
|
|
stx anfy + 1
|
|
stx endy + 1
|
|
stx posy + 1
|
|
stx zzbe ; no lines
|
|
stx zzbe + 1 ; used
|
|
rts
|
|
|
|
!zone
|
|
; 'key' ist der Kern, holt einen Code
|
|
; ausm Puffer. 'char' wuerde, wenns ein
|
|
; F-Key oder Accent ist, den Puffer
|
|
; aendern und dann das erste Byte
|
|
; abliefern. Hier nur das Standardprog:
|
|
getchar jmp getkey
|
|
.defrag ;{check fragjob}
|
|
|
|
getkey ;{check mousejob}
|
|
;{check clockjob}
|
|
ldx kyndx ; F-keys as standard
|
|
beq .std
|
|
ldy keyidx
|
|
lda pkydef,y
|
|
dec kyndx
|
|
inc keyidx
|
|
rts
|
|
.std ldx ndx ; chars in buffer ?
|
|
beq .defrag ; 0 = >
|
|
sei ; else
|
|
ldy keybuffer ; get first byte
|
|
ldx #255 - 8 ; loop to shift other 9 chars down
|
|
- lda keybuffer - 255 + 9, x
|
|
sta keybuffer - 255 + 8, x
|
|
inx ; (f7 to ff)
|
|
bne -
|
|
dec ndx ; dec number
|
|
tya ; byte = >A
|
|
stx keybuffer + 9 ; clear lastbyte
|
|
cli
|
|
rts
|
|
|
|
!zone
|
|
getvvek lda scry, x ; get y-Lo
|
|
asl ; *2
|
|
tay ; buffer
|
|
lda scry + 1, x ; get y-Hi
|
|
rol ; *2 ( = clc)
|
|
sta vvek + 1 ; in Hi
|
|
tya ; get Lo
|
|
adc memin ; + BaseLo
|
|
sta vvek ; = VectorLo
|
|
lda vvek + 1 ; get Hi
|
|
adc memin + 1 ; + BaseHi
|
|
sta vvek + 1 ; = VectorHi
|
|
rts ; (VekVek)
|
|
|
|
; stellt Vektor auf Cursor-Y
|
|
poslvek ldx #POS
|
|
|
|
; stellt Vektor auf Zeile
|
|
!zone
|
|
getlvek jsr getvvek ; get VekVek
|
|
ldy #0 ; Y-Init
|
|
lda (vvek), y ; get Lo-Byte
|
|
sta lvek ; store
|
|
iny ; inc vector
|
|
lda (vvek), y ; get Hi-Byte
|
|
sta lvek + 1 ; store
|
|
rts
|
|
|
|
!zone
|
|
windowproof lda posx ;crsr-X
|
|
cmp scrx ; screen(home)-X
|
|
bcs + ; bigger = >
|
|
sta scrx ; else set screen-X
|
|
sta nwfrm ; and NewFrame
|
|
bcc .UpDown
|
|
+ sbc scrx ; difference
|
|
cmp #scrcols ; cmp screenwidth
|
|
bcc .UpDown ; ok = >
|
|
lda posx ; else NewFrame,
|
|
sta nwfrm
|
|
sbc #scrcols - 1 ; set screen-X
|
|
sta scrx ; & store
|
|
.UpDown lda scry + 1 ; HiByte screen-
|
|
cmp posy + 1 ; Y and crsr-Y
|
|
bcc crsrweiter ; shorter = >
|
|
bne .set ; equal = >
|
|
lda posy ; else cmp Lo-bytes
|
|
cmp scry
|
|
bcs crsrweiter ; shorter = >
|
|
.set ldx posy ; get crsrpos as
|
|
lda posy + 1 ; new screenstart
|
|
stx scry
|
|
sta scry + 1
|
|
lda #TRUE ; NewFrame
|
|
sta nwfrm
|
|
rts
|
|
|
|
!zone
|
|
crsrweiter sec ; for sbc
|
|
lda posy ; calculate
|
|
sbc scry ; Lo-difference
|
|
tax ; in X
|
|
lda posy + 1 ; calculate
|
|
sbc scry + 1 ; Hi-difference
|
|
bne + ; if Hi = 0
|
|
cpx #scrlins ; & Lo ok,
|
|
bcc ++ ; ready = >
|
|
+ lda posy + 1 ; else: copy Hibyte
|
|
sta scry + 1
|
|
sec ; for sbc
|
|
lda posy ; calculate & save
|
|
sbc #scrlins - 1 ; new Hibyte
|
|
sta scry
|
|
bcs + ; ggfs. = >
|
|
dec scry + 1 ; correct Hibyte
|
|
+ lda #TRUE ; NewFrame
|
|
sta nwfrm
|
|
++ rts
|
|
; Scrollroutines missing !
|
|
|
|
!zone
|
|
; fuellt Speicher mit Zeilen
|
|
fillmem lda #0 ; Keine Zeilen da
|
|
sta zzan
|
|
sta zzan + 1
|
|
ldx llen ; Zeilenlaenge
|
|
inx ; + Info-Byte
|
|
stx .m1 ; in SBC #$dummy
|
|
lda maxmem0 ; holt MAX-MEM-0
|
|
sta txts ; und nimmt es als
|
|
lda maxmem0 + 1 ; Obergrenze !
|
|
sta txts + 1
|
|
lda mod_id ; Holt ID-Adresse (Lo)
|
|
tax ; sichern
|
|
lsr ; Bit 0 ins Carry
|
|
txa ; zurueck
|
|
adc #6 ; +ID-2+C
|
|
sta memin ; wird Vektorstart (Lo)
|
|
lda mod_id + 1 ; Hi-Byte
|
|
adc #0 ; entsprechend
|
|
sta memin + 1 ; anpassen (Auto-CLC)
|
|
; Carry wird addiert, damit Vektoren bei
|
|
; einer GERADEN Adresse starten!
|
|
lda memin ; Die VekVeks
|
|
adc #2 ; werden ab dem
|
|
sta vvek ; Vektorstart+2
|
|
lda memin + 1 ; abgelegt, da es
|
|
adc #0 ; keine nullte Zeile
|
|
sta vvek + 1 ; gibt
|
|
.Check lda txts ; TextstartLo
|
|
sec
|
|
.m1 = * + 1: sbc #MODIFIED8 ; -Zeilenlänge
|
|
sta tmp1 ; wird gepuffert
|
|
ldx txts + 1
|
|
bcs +
|
|
dex
|
|
+ stx tmp1 + 1
|
|
cpx vvek + 1 ; Vektorkollision ?
|
|
bcc .NoLine ; Ja = > keine Zeile !
|
|
bne .MakeLn ; Nein = > neue Zeile !
|
|
ldx vvek ; Gleich: Lo-Bytes
|
|
inx ; vergleichen
|
|
cpx tmp1 ; Wieder: Kollision ?
|
|
bcs .NoLine ; Ja = > keine Zeile !
|
|
.MakeLn lda tmp1 ; Nein: dann temp als
|
|
sta txts ; Textstart und in den
|
|
ldy #0 ; Linevektor
|
|
sta (vvek), y
|
|
lda tmp1 + 1 ; dito, Highbyte
|
|
sta txts + 1
|
|
iny
|
|
sta (vvek), y
|
|
inc vvek ; VekVek 2 Byte weiter
|
|
+inc16 vvek
|
|
inc zzan ; angelegte Zeilen
|
|
bne .Check ; eins hoeher
|
|
inc zzan + 1
|
|
jmp .Check
|
|
.NoLine rts
|
|
|
|
!zone
|
|
clearline lda #" " ; Space
|
|
ldy llen ; Y auf Zeilenende
|
|
- sta (lvek), y ; Space setzen
|
|
dey ; zurueck
|
|
bne - ; Infobyte ?
|
|
tya ; Dann auf
|
|
sta (lvek), y ; Null setzen
|
|
dey ; Y auf $ff fuer
|
|
sty nwfrm ; NewFrame
|
|
sty changes ; Veraendert !
|
|
; WordWrap sinnlos !
|
|
rts
|
|
|
|
!zone
|
|
; stellt Zeilen zur Verfuegung oder gibt Fehlermeldung
|
|
needline +cmp16bit ZZA, ZZB ; vergleichen
|
|
beq + ; Wenn gleich, wirds gesetzte Carry 'failure'
|
|
+inc16 zzbe ; sonst: Zahl der genutzten Zeilen hoeher
|
|
ldx #ZZB
|
|
stx changes ; Veraendert !
|
|
jsr getlvek ; Holt Vektor
|
|
jsr clearline ; und leert Zeile
|
|
clc ; 'success'
|
|
; EIGENTLICH ist das Carrybit hier schon
|
|
; durch die beiden Subs gelöscht...
|
|
+ rts
|
|
|
|
cmp16bit lda scry + 1, x ; Hi-Bytes vergleichen
|
|
cmp scry + 1, y
|
|
bne + ; wenn gleich,
|
|
lda scry, x ; Lo-Bytes vergleichen
|
|
cmp scry, y
|
|
+ rts
|
|
|
|
F_gcr inc posx
|
|
jmp proofpos
|
|
|
|
F_gcl dec posx
|
|
jmp proofpos
|
|
|
|
F_gcu ldx posy
|
|
bne +
|
|
dec posy + 1
|
|
+ dec posy
|
|
jmp proofpos
|
|
|
|
F_gcd +inc16 posy
|
|
|
|
!zone
|
|
proofpos ldx posx ; CRSR-X
|
|
beq .jBack ; Null = >
|
|
dex ; verringern und mit
|
|
cpx llen ; Laenge vergl.
|
|
bcs jump ; zu weit rechts = >
|
|
lda posy + 1 ; CRSR-Y (Hi)
|
|
bmi firstline ; >32K = > 1. Zeile = >
|
|
ora posy ; ODERt Low-Byte
|
|
beq firstline ; = 0 = > 1. Zeile = >
|
|
+cmp16bit ZZB, POS ; vergleichen
|
|
bcc F_geot ; CRSR zu weit = >
|
|
jmp windowproof ; okay
|
|
|
|
.jBack ldx llen ; Zeilenlaenge wird
|
|
stx posx ; neue Position & hoch
|
|
jsr F_gcu
|
|
jsr poslvek ; LineVek holen
|
|
jsr findend ; Ende suchen
|
|
iny ; dahintersetzen
|
|
sty posx
|
|
jmp proofpos
|
|
|
|
jump jsr newline ; naechste Zeile
|
|
bcs + ; CRSR zu weit,
|
|
jsr needline ; Zeile anfordern
|
|
bcc + ; Bei Fehlschlag
|
|
jsr memfull ; Warnung zeigen
|
|
+ jmp proofpos
|
|
|
|
!zone
|
|
firstline ldx #1 ; CRSR in erste Zeile
|
|
stx posy
|
|
dex
|
|
stx posy + 1
|
|
jmp windowproof
|
|
|
|
F_geot +cp16 zzbe, posy; CRSR in letzte Zeile
|
|
jmp windowproof
|
|
|
|
!zone
|
|
newline lda #1 ; X-Pos : = 1 & Y += 1
|
|
sta posx
|
|
+inc16 posy
|
|
+cmp16bit ZZB, POS ; vergleichen
|
|
rts
|
|
|
|
!zone
|
|
F_cs lda #1 ; CRSR 2 next linestart
|
|
sta posx
|
|
+inc16 posy
|
|
jmp proofpos
|
|
|
|
!zone
|
|
chrout stx byte ; sichert Zeichen
|
|
jsr poslvek ; LineVek
|
|
ldy esca ; Autoinsert ?
|
|
beq + ; ggfs. kein
|
|
jsr insert1 ; insert
|
|
+ ldy posx ; Versatz
|
|
lda byte ; Akku holen
|
|
sta (lvek), y ; und setzen
|
|
jsr poswrap ; Wrap ?
|
|
lda #TRUE ; NewFrame fordern
|
|
sta nwfrm
|
|
sta changes ; Veraendert !
|
|
jmp F_gcr
|
|
|
|
!zone
|
|
F_insert jsr poslvek ; LineVek
|
|
jsr insert1 ; insert
|
|
jsr poswrap ; Wrap ?
|
|
rts ; fixme - could save a byte here
|
|
|
|
!zone
|
|
insert1 ldy scrx, x ; X-Wert holen & in
|
|
sty .mod ; Immediate
|
|
ldy lvek + 1 ; Quell-Vektor =
|
|
ldx lvek ; aktueller Vektor-1
|
|
bne +
|
|
dey
|
|
+ dex
|
|
stx tmp1
|
|
sty tmp1 + 1
|
|
ldy llen ; Shiftstart LineEnd
|
|
-
|
|
.mod = * + 1: cpy #MODIFIED8 ; X
|
|
beq + ; Ende = >
|
|
lda (tmp1), y ; Zeichen holen
|
|
sta (lvek), y ; und shiften
|
|
dey ; neue Pos
|
|
jmp -
|
|
+ lda #" " ; 'Space' an
|
|
sta (lvek), y ; Pos setzen
|
|
sta nwfrm ; NewFrame fordern
|
|
sta changes ; Veraendert !
|
|
rts
|
|
|
|
!zone
|
|
F_dcl jsr F_gcl
|
|
F_dcr jsr poslvek ; LineVek
|
|
jsr delchr1 ; Delete
|
|
jsr poswrap ; Wrap ?
|
|
jmp proofpos
|
|
|
|
!zone
|
|
delchr1 ldy scrx, x ; X-Wert in Immediate
|
|
sty .m
|
|
ldx lvek ; Zielvektor = aktueller
|
|
ldy lvek + 1 ; Vektor+1
|
|
inx
|
|
bne +
|
|
iny
|
|
+ stx tmp1
|
|
sty tmp1 + 1
|
|
.m = * + 1: ldy #MODIFIED8 ; X
|
|
- cpy llen ; Zeilenende ?
|
|
beq + ; Dann = >
|
|
lda (tmp1), y ; Zeichen holen
|
|
sta (lvek), y ; und shiften
|
|
iny ; neue Pos
|
|
jmp -
|
|
+ lda #" " ; Space an letzte
|
|
sta (lvek), y ; Pos setzen
|
|
lda #TRUE ; NewFrame fordern
|
|
sta nwfrm
|
|
sta changes ; Veraendert !
|
|
rts
|
|
|
|
!zone
|
|
; Einsprung: X = StartIndex, Y = EndIndex
|
|
; Bewegt Zeilenbloecke: X bis Y-1 werden nach X+1 bis Y geschoben. Danach
|
|
; liegt die Endzeile in der Startzeile
|
|
rollfwd jsr howmany ; Zeilenanzahl ?
|
|
beq ++ ; ggfs Abbruch !
|
|
tya ; Y in X
|
|
tax
|
|
jsr getlvek ; lvek in lvek puffern
|
|
sec ; Quellvektor = Vektor-2
|
|
lda vvek
|
|
sbc #2
|
|
sta tmp1
|
|
lda vvek + 1
|
|
sbc #0
|
|
sta tmp1 + 1
|
|
ldy #2 ; Versatz 2
|
|
- tya ; Y pruefen
|
|
bne + ; ggfs
|
|
dec tmp1 + 1 ; Page sichern
|
|
dec vvek + 1
|
|
+ dey ; Versatz runter
|
|
lda (tmp1), y ; High-Byte oben setzen
|
|
sta (vvek), y
|
|
dey ; Versatz runter
|
|
lda (tmp1), y ; Low-Byte oben setzen
|
|
sta (vvek), y
|
|
inc tmpy ; Anzahl der Shifts
|
|
bne - ; pruefen, ggfs loop
|
|
inc tmpy + 1
|
|
bne -
|
|
lda lvek ; alten Vektor holen
|
|
sta (tmp1), y ; und in letzte
|
|
iny ; Position setzen
|
|
lda lvek + 1
|
|
sta (tmp1), y
|
|
++ lda #TRUE ; NewFrame fordern
|
|
sta nwfrm
|
|
sta changes ; Veraendert !
|
|
rts
|
|
|
|
!zone
|
|
; Einsprung: X = StartIndex, Y = Endzeile
|
|
; Bewegt Zeilenbloecke: X+1 bis Y werden nach X bis Y-1 geschoben. Danach
|
|
; liegt die Startzeile in der Endzeile !
|
|
rollrwd jsr howmany ; Zeilenanzahl ?
|
|
beq ++ ; ggfs Abbruch !
|
|
jsr getlvek ; lvek in lvek puffern
|
|
clc ; Quellvektor = Vektor+2
|
|
lda vvek
|
|
adc #2
|
|
sta tmp1
|
|
lda vvek + 1
|
|
adc #0
|
|
sta tmp1 + 1
|
|
ldy #0 ; Versatz 0
|
|
- lda (tmp1), y ; Hi-Byte unten setzen
|
|
sta (vvek), y
|
|
iny ; weiter
|
|
lda (tmp1), y ; Lo-Byte unten setzen
|
|
sta (vvek), y
|
|
iny ; weiter
|
|
bne + ; Page sichern
|
|
inc tmp1 + 1
|
|
inc vvek + 1
|
|
+ inc tmpy ; Anzahl Shifts
|
|
bne - ; pruefen, ggfs loop
|
|
inc tmpy + 1
|
|
bne -
|
|
lda lvek ; alten Vektor an die
|
|
sta (vvek), y ; letzte Pos setzen
|
|
iny
|
|
lda lvek + 1
|
|
sta (vvek), y
|
|
++ lda #TRUE ; NewFrame fordern
|
|
sta nwfrm
|
|
sta changes ; Veraendert !
|
|
rts
|
|
|
|
!zone
|
|
howmany jsr cmp16bit ; Sicherheit
|
|
bcs + ; ggfs Abbruch = >
|
|
sec ; Negativ, um INC statt DEC nutzen zu können
|
|
lda scry, x
|
|
sbc scry, y
|
|
sta tmpy
|
|
lda scry + 1, x
|
|
sbc scry + 1, y
|
|
sta tmpy + 1
|
|
rts
|
|
+ lda #0 ; Zeilen
|
|
rts
|
|
|
|
!zone
|
|
movx2y lda scrx, x ; Copy X-indexed Werte in Y-indexed Variablen
|
|
sta scrx, y
|
|
lda scry, x
|
|
sta scry, y
|
|
lda scry + 1, x
|
|
sta scry + 1, y
|
|
rts
|
|
|
|
ESC_at rts ; fixme - could save one byte here
|
|
|
|
ESC_a lda #TRUE ; Set AutoInsert
|
|
sta esca
|
|
sta updatewbi ; Update fordern
|
|
rts
|
|
|
|
ESC_b ldx #POS ; BlockEnd: = Cursorposition
|
|
ldy #END
|
|
jsr movx2y
|
|
|
|
!zone
|
|
; Block legal ? Vertauscht ggfs Zeiger
|
|
nblck +cmp16bit ANF, END ; Blockstart und -Ende vergleichen
|
|
bcc ++ ; anf<end: ok
|
|
bne + ; anf>end: not ok
|
|
lda scrx, y ; Bei Gleichheit noch
|
|
cmp scrx, x ; X pruefen
|
|
bcs ++ ; end> = anf: ok
|
|
+ ldy #TMP ; (Anf) in Temp
|
|
jsr movx2y
|
|
ldx #END ; Ende in Anf
|
|
ldy #ANF
|
|
jsr movx2y
|
|
ldx #TMP ; Temp in Ende
|
|
ldy #END
|
|
jsr movx2y
|
|
++ lda #TRUE ; NewFrame fordern
|
|
sta nwfrm ; (Blockanzeige)
|
|
sta blockflag ; Block ein
|
|
rts
|
|
|
|
!zone
|
|
ESC_c ldx #FALSE ; Clear AutoInsert
|
|
stx esca
|
|
dex ; Update fordern
|
|
stx updatewbi
|
|
rts
|
|
|
|
ESC_d ldx #POS ; Start: Cursorposition
|
|
jsr delline ; Zeile weg
|
|
jmp poswrap ; und wrap
|
|
|
|
!zone
|
|
delline ldy #ZZB ; Ende: LastLine
|
|
jsr rollrwd ; runterrollen
|
|
lda zzbe ; Anzahl der benutzten Zeilen runter
|
|
bne +
|
|
dec zzbe + 1
|
|
+ dec zzbe
|
|
bne + ; Low = 0 ?
|
|
lda zzbe + 1 ; Dann High pruefen und ggfs Zeile fordern
|
|
bne +
|
|
jsr needline
|
|
+ jmp proofpos
|
|
|
|
!zone
|
|
ESC_g ldx #FALSE ; Beep On
|
|
stx beep
|
|
dex ; Update fordern
|
|
stx updatewbi
|
|
rts
|
|
|
|
ESC_h lda #TRUE ; Beep Off
|
|
sta beep
|
|
sta updatewbi ; Update fordern
|
|
rts
|
|
|
|
!zone
|
|
ESC_i jsr needline ; Zeile fordern
|
|
+bcs memfull ; bei Fehlschlag Warnung = >
|
|
ldx #POS ; Start: Cursorposition
|
|
ldy #ZZB ; Ende: LastLine
|
|
jsr rollfwd ; raufrollen
|
|
rts ; fixme - could save a byte here
|
|
|
|
!zone
|
|
F_gsol
|
|
ESC_j lda #1 ; Cursor-X: = 1
|
|
sta posx
|
|
jmp windowproof
|
|
|
|
F_geol
|
|
ESC_k jsr poslvek ; LineVek
|
|
jsr findend ; sucht letztes Byte, dahinter steht dann Cursor
|
|
iny
|
|
sty posx
|
|
jmp proofpos
|
|
|
|
ESC_o lda blockflag ; toggle Flag
|
|
eor #$ff
|
|
sta blockflag
|
|
rts
|
|
|
|
ESC_p
|
|
ESC_q rts ; fixme - could save a byte here
|
|
|
|
ESC_t ldx #POS ; Blockstart = Cursorposition
|
|
ldy #ANF
|
|
jsr movx2y
|
|
jmp nblck ; legal ?
|
|
|
|
F_home ldx scrx ; Normal HOME only,
|
|
ldy scry ; if CRSR not there
|
|
lda scry + 1
|
|
cpx posx ; Otherwise ScreenUp
|
|
bne scrnhome
|
|
cpy posy
|
|
bne scrnhome
|
|
cmp posy + 1
|
|
bne scrnhome
|
|
|
|
!zone
|
|
F_scrnu lda posy ; Displaystart =
|
|
sec ; Displaystart
|
|
sbc #scrlins ; - Zeilenzahl
|
|
sta posy
|
|
bcs +
|
|
dec posy + 1
|
|
+ lda #TRUE ; NewFrame fordern
|
|
sta nwfrm
|
|
jmp proofpos
|
|
|
|
!zone
|
|
scrnhome stx posx ; Cursor: = Display
|
|
sty posy
|
|
sta posy + 1
|
|
jmp proofpos
|
|
|
|
F_ahome clc ; errechnet Werte
|
|
lda scry ; fuer antih1
|
|
adc #scrlins - 1 ; in A, X, Y
|
|
tax
|
|
lda scry + 1
|
|
adc #0
|
|
tay
|
|
lda scrx ; CRSR dort ?
|
|
cmp posx
|
|
bne antih1
|
|
cpx posy ; Nein = > dorthin
|
|
bne antih1
|
|
cpy posy + 1 ; Ja = > ScreenDown !
|
|
bne antih1
|
|
|
|
!zone
|
|
F_scrnd lda posy ; One screen down
|
|
clc
|
|
adc #scrlins
|
|
sta posy
|
|
bcc +
|
|
inc posy + 1
|
|
+ lda #TRUE ; NewFrame fordern
|
|
sta nwfrm
|
|
jmp proofpos
|
|
|
|
!zone
|
|
antih1 sta posx ; Cursor: = DisplayEnd
|
|
stx posy
|
|
sty posy + 1
|
|
jmp proofpos
|
|
|
|
F_gsot ldx #1 ; X = Y = 1
|
|
stx posx
|
|
stx posy
|
|
stx nwfrm ; NewFrame fordern
|
|
dex ; Y-Hi: = 0
|
|
stx posy + 1
|
|
jmp proofpos
|
|
|
|
!zone
|
|
handleid ldx #7 ; 8 Byte Kennung
|
|
-
|
|
mod_id = * + 1: lda MODIFIED16, x; Schleife, um evtl. vorhandenen Text zu
|
|
cmp idtext, x
|
|
bne makeid ; erkennen & zu reaktivieren
|
|
dex
|
|
bpl -
|
|
clc ; 'OldText'
|
|
rts
|
|
|
|
makeid lda texttop ; Neue ID wird ans Basic-Ende gesetzt
|
|
sta mod_id
|
|
sta .m1
|
|
lda texttop + 1
|
|
sta mod_id + 1
|
|
sta .m1 + 1
|
|
ldx #7
|
|
- lda idtext, x
|
|
.m1 = * + 1: sta MODIFIED16, x
|
|
dex
|
|
bpl -
|
|
sec ; 'NewText'
|
|
rts
|
|
|
|
F_cr jsr F_lfeed
|
|
jmp jump
|
|
|
|
F_c :F_f :F_ffeed :F_dir
|
|
F_fbox :F_hlp :F_bell :F_tab
|
|
F_text :F_middle :F_graphic
|
|
F_fn :F_ff :F_un :F_uf :F_rn :F_rf
|
|
F_sf :F_sk :F_su :F_st :F_sl
|
|
F_gld :F_glu :F_gad :F_gau :F_gpd :F_gpu
|
|
F_gtr :F_gtl :F_gwr :F_gwl
|
|
F_bttnn :F_bttnf :F_find :F_print :F_mode :F_dword
|
|
F_cut :F_copy :F_paste :F_move
|
|
F_fmtl :F_fmtr :F_fmtm :F_fmtb
|
|
|
|
rts ; (yet) missing
|