/
tsb_pt5.a
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tsb_pt5.a
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; -----------------------------------------
;
; Tuned Simons' Basic
;
; by Arndt Dettke, 1986
;
; part 5
;
; patched on 07.03.2020 (command INSERT)
; patched on 13.01.2021 (commands KEY & VOL)
; patched on 25.01.2021 (added parts of FASTCALL)
; patched on 19.03.2021 (bugfix in EXEC)
; patched on 03.04.2021 (commands CSET)
;
; -----------------------------------------
!ct pet
; ----------------------------------------- all MOVE befs
; ac5d recoded
movebef lda progz ; entry for: MOVE, UP,
sta $c1 ; LEFT, DOWN, RIGHT
lda progz+1 ; (INSERT)
sta $c2
lda #0
sta helpvec
sta helpvec+1
sta $a6
beq mve6 ; uncond. branch
mve0 ldy $a7
lda $c1
sta progz
lda $c2
sta progz+1
mve6 tya ; .y: code# (*2)
sta $a7
pha
jsr getrcwd ; get parameters
jsr toa8
pla
cmp #32 ; upb?
bcc mve5 ; no, move
; ac88
jsr mdistrb ; distribute
mve4 inc $a6
lda $a6
cmp #2
bcc mve0
jmp endsmb
; -----------------------------------------
; ac96
mve5 cmp #16 ; is move?
bcs mve1
and #7
lsr
beq mve2
lsr
beq mve3
jsr mve9
jsr to20
mve3 jsr mvea
beq mve4
mve2 jsr mve9
beq mve4
mvea inc $a6
jsr movez
mve9 inc $a6
jsr sgetbytc
txa
ldy spaltenanz
jsr fillmt
ldx zeilenanz
- jsr mkline
jsr l20pl40
fillbox dex
bne -
rts
; -----------------------------------------
; acd0
mve1 and #4
beq mve7
jsr mveb
beq mve4
; ----------------------------------------- bef INV
; acd9 enhanced
mve7 jsr befinv
beq mve4
; acde
befinv ldx #0 ; inv
-- ldy #0
- cpy spaltenanz
beq mve8
lda ($20),y
eor #$80
sta ($20),y
iny
bne -
mve8 inx
cpx zeilenanz
beq +
jsr l20pl40
bne --
+ rts
; -----------------------------------------
; acfc
mveb jsr sgetbytc
stx zeileanf
jsr sgetbytc
stx spalteanf
jsr movez
lda $a8
sta $23
lda $a9
sta $24
jmp moveit
; -----------------------------------------
; ad16
mdistrb and #$0f ; reduce token nums
lsr
tay ; upb?
beq befupb
cmp #1 ; upw?
beq befupw
cmp #2 ; leftw?
beq befleftw
cmp #3 ; leftb?
beq befleftb
cmp #4 ; downb?
beq befdownb
cmp #5 ; downw?
beq befdownw
cmp #6 ; rightw?
beq befleftb
; ----------------------------------------- bef LEFTW
; ad34 enhanced
befleftw lda #1
sta helpvec
bne mdb0
; ----------------------------------------- bef UPW
; ad3a enhanced
befupw lda #1
sta helpvec
bne befupb
; ----------------------------------------- bef LEFTB
; ad40 enhanced
befleftb lda #1
bne mdb0
; ----------------------------------------- bef DOWNB
; ad44 enhanced
befdownb lda #2
bne mdb1
; ----------------------------------------- bef DOWNW
; ad48 enhanced
befdownw lda #3
mdb1 sta helpvec
; ----------------------------------------- bef UPB
; ad4c enhanced
befupb lda #40
; -----------------------------------------
; ad4e
mdb0 sta helpvec+1
cpy #2 ; up?
bcs +
jmp mcontup
+ cpy #4 ; left?
bcc mcontleft
cpy #6 ; down?
bcc mcontdown
; -----------------------------------------
mcontright
dec spaltenanz
lda helpvec
and #1
beq +
ldy spaltenanz
jsr mfrow
bne ++
+ ldy zeilenanz
jsr mspc0
++ jsr mminus
ldx #0
-- ldy spaltenanz
- lda ($23),y
sta ($20),y
dey
bpl -
inx
cpx zeilenanz
beq +
jsr l20pl40
jsr l23pl40
bne --
+ ldy #0
jmp mfbox
; -----------------------------------------
; ad98
mcontdown dec zeilenanz
ldx zeilenanz
beq mcup0
jsr maddhg
jsr mminus
lda helpvec
and #1
beq +
jsr mfline
beq ++
+ ldy spaltenanz
jsr mspc0
++ jsr moveit
dex
jsr mvit0
jmp mkln0
; -----------------------------------------
; adc1
mcontleft jsr mplus
lda helpvec
and #1
beq +
ldy #0
jsr mfrow
bne ++
+ ldy zeilenanz
jsr mfspace
++ dec spaltenanz
jsr moveit
ldy spaltenanz
jmp mfbox
; -----------------------------------------
; ade3
mcup0 inc zeilenanz
; ----------------------------------------- up
; ade6
mcontup jsr mplus
lda helpvec
and #1
beq +
jsr mfline
beq ++
+ ldy spaltenanz
jsr mfspace
++ jsr moveit
jmp mkline
; -----------------------------------------
; ae00
moveit ldx #0
mvit0 ldy #0
- cpy spaltenanz
beq +
lda ($23),y
sta ($20),y
iny
bne -
+ inx
cpx zeilenanz
beq ++
lda helpvec
and #2
bne +
jsr l20pl40
jsr l23pl40
bne mvit0
+ jsr l20mn40
jsr l23mn40
bne mvit0
++ rts
; -----------------------------------------
; ae2d
mplus clc
lda $20
adc helpvec+1
sta $23
lda $21
adc #0
sta $24
rts
; ae3b
mminus sec
lda $20
sbc helpvec+1
sta $23
lda $21
sbc #0
sta $24
rts
; -----------------------------------------
; ae49
maddhg jsr l20pl40
dex
bne maddhg
rts
; -----------------------------------------
; ae50
l20mn40 sec
lda $20
sbc #40
sta $20
bcs +
dec $21
+ rts
; ae5c
l23mn40 sec
lda $23
sbc #40
sta $23
bcs +
dec $24
+ rts
; -----------------------------------------
; ae68
mfbox jsr to20
ldx #0
- lda movetab,x
sta ($20),y
jsr l20pl40
inx
cpx zeilenanz
bne -
rts
; -----------------------------------------
; ae7c
mkln0 jsr to20
mkline ldy #0
- lda movetab,y
sta ($20),y
iny
cpy spaltenanz
bne -
rts
; -----------------------------------------
; ae8d
mfrow ldx #0
- lda ($20),y
sta movetab,x
jsr l20pl40
inx
cpx zeilenanz
bne -
jmp to20
; aea0
mfline ldy #0
- lda ($20),y
sta movetab,y
iny
cpy spaltenanz
bne -
rts
; aeae
mfspace dey ; fill movetab w/
mspc0 lda #$20 ; space
fillmt sta movetab,y
dey
bpl fillmt
rts
; -----------------------------------------
; aeb8
getrcwd jsr sgetbytn ; get row
cpx #25 ; >24?
bcs err32 ; yes, bad mode
stx zeileanf
jsr sgetbytc ; get column
cpx #40 ; >39?
bcs err32 ; yes, bad mode
stx spalteanf
jsr sgetbytc ; get num of columns
txa
beq err32 ; 0 is error
stx spaltenanz
jsr sgetbytc ; get num of rows
txa
beq err32 ; 0 is error
stx zeilenanz
; -----------------------------------------
; aede
movez ldy #0
sty zaehler
sty $20
sty $a5
lda $a6
bne +
lda video ; video
!by $2c
+ lda #$d8 ; or colors
sta $21
lda zeileanf
sta $a4
jsr a4mal40
clc
lda $a4
adc $20
sta $a4
lda $a5
adc $21
sta $a5
clc
lda $a4
adc spalteanf
sta $20
lda $a5
adc #0
sta $21
clc
lda zeileanf
adc zeilenanz
cmp #26
bcs err32
clc
lda spaltenanz
adc spalteanf
cmp #41
bcs err32
rts
; -----------------------------------------
; af2d
err32 jmp swarm ; error "bad mode"
; -----------------------------------------
; af30
toa8 lda $20
sta $a8
lda $21
sta $a9
rts
; af39
to20 lda $a8
sta $20
lda $a9
sta $21
rts
; ----------------------------------------- bef INSERT
; af42 new
befinsert jsr sgetstrn ; get box definition
sty $21
stx $20
lda $69 ; len<>9?
cmp #9
bne err14 ; yes, error
pha ; save len
ldx #0
stx $a6
lda #$2c ; comma follows?
cmp (progz,x)
bne err32 ; no, bad mode
pla
tay
dey ; .y= len
sty helpvec
lda $c7 ; save RVS flag
sta helpvec+1
- lda ($20),y ; read box string
cmp #$e0 ; RVS intended?
bcc + ; no
inc $c7 ; yes, set flag for RVS
+ cmp #$60 ; convert chars to bcode
bcc +
and #$7f
ora #$40
bne ++
+ and #$3f
++ dec $c7 ; rvs?
bmi +
ora #$80 ; yes
+ sta $02c0,x ; store converted box chars
lda helpvec+1 ; restore RVS flag
sta $c7
inx
dey
bpl -
jsr getrcwd ; get position params
jsr mkbox
jmp mve3 ; out box
; -----------------------------------------
; af91
err14 ldx #$0e ; error "illegal quantity"
jmp ($0300)
; -----------------------------------------
; af96
mkbox jsr mkrow
jsr mkline ; top row
jsr l20pl40
jsr mkrow
ldx zeilenanz
dex
bne +
inc zeilenanz
bne ++
+ jsr fillbox ; middle rows
++ jsr mkrow
jmp mkline ; bottom row
; afb6
mkrow ldy helpvec ; one row
lda $02c0,y
tax
dey
lda $02c0,y
pha
dey
lda $02c0,y
dey
sty helpvec
ldy spaltenanz
dey
bne +
iny
inc spaltenanz
+ sta movetab,y
dey
pla
jsr fillmt
stx movetab
rts
; ----------------------------------------- part of CALL
; afde
fillfast ldx prstack ; stack voll?
inx
beq ++ ; ja, keine einträge mehr annehmen
+ dex ; sonst: eintragen in stack
lda $20
sta procstack,x
inx
lda $21
sta procstack,x
cpx #$ff ; letzter eintrag?
beq +
inx ; sonst: zeiger erhöhen
+ stx prstack
++ rts
; -----------------------------------------
cfreset lda #0
sta execflag
jmp fastcall
; -----------------------------------------
!by 0,0,0
; ----------------------------------------- bef FETCH
; b004 recoded
beffetch jsr sgetstrn
stx $20
sta $21
lda $69
sta fetchlen
jsr sgetbytc
stx fetchanz
jsr schkcom
jsr stestdirm
jsr crsrout
lda #$2c ; comma
sta $01ff
; b024
fetchit jsr fgetkey ; gather input chars
lda $13 ; io device?
beq + ; 0: keyboard
jsr $ffb7 ; sys read status
and #2 ; timeout?
beq + ; no, proceed
jsr sclrch ; yes, clear io
- jsr srem ; to next command
jmp endsmb ; end fetch
; -----------------------------------------
; b03b
+ lda basinbuf ; anything typed?
bne +
lda $13 ; no, io device is
bne fetchit ; not keyboard
beq - ; keyboard
+ jsr sinput1
jmp endsmb
; -----------------------------------------
; b04c
fgetkey ldx #0
floop txa
pha
jsr $ffe4 ; sys get key
sta joywert
pla
tax
lda joywert ; nothing?
beq floop
; -----------------------------------------
cmp #$0d ; cr?
bne +
jmp foutall ; yes, perform input
+ cmp #$14 ; del?
beq fdelete
lda $d4 ; no, crsr on?
bne fcheck
txa
pha
ldx #0 ; check 17 special chars
- lda fetchtab,x
cmp joywert
beq ftc0
inx
cpx #18
bne -
pla
tax
lda joywert ; any key in buffer?
bne fcheck ; yes, check
ftc0 pla ; found one, skip it
tax
jmp floop
; -----------------------------------------
; b089
fdelete cpx #0
beq floop
txa
pha
ldx #7
jsr crsrdel
pla
tax
dex
bpl floop
; -----------------------------------------
; b099
fcheck lda joywert
cmp #$8d ; shift cr?
beq floop ; yes, skip
ldy #0
chkloop cmp ($20),y ; char in ctrl string?
bne fspecials
; -----------------------------------------
; b0a6
fchrisin sta basinbuf,x ; yes, sys out
jsr bsout
inx
cpx fetchanz ; input len?
beq flastchar ; yes, wait for cr
txa
pha
jsr crsrout
bne ftc0
; -----------------------------------------
; b0b9
fspecials lda ($20),y
cmp #$13 ; home?
beq fchkaz
cmp #$11 ; crsr dwn?
beq fchkdig
cmp #$1d ; crsr rgt?
beq fchkazup
; -----------------------------------------
; b0c7
ftcont lda joywert ; no, reget char
iny ; check next in list
cpy fetchlen
bne chkloop
jmp floop
; -----------------------------------------
; b0d3
fend cmp #$14 ; del?
beq fdelete
flastchar txa
pha
jsr $ffe4 ; sys get key
sta joywert
pla
tax
lda joywert
cmp #$0d ; cr?
bne fend ; check for del
beq foutcr ; yes, cr, end now
; -----------------------------------------
; b0ea
foutall lda #$20 ; sys out space (crsr off)
jsr bsout
foutcr lda #$0d
jmp spuf0cr ; out all
; ----------------------------------------- Checks
; b0f4
fchkaz lda joywert
cmp #$41 ; below a?
bcc notinit
cmp #$5b ; beyond z?
bcs notinit
legal jmp fchrisin ; yes, legal
notinit jmp ftcont
; -----------------------------------------
fchkdig lda joywert
cmp #$1f ; below space?
bcc notinit
cmp #$41 ; beyond a?
bcs notinit
bcc legal
; b112
fchkazup lda $cb70
cmp #$41 ; below a?
bcc notinit
cmp #$5b ; beyond z?
bcs +
bcc legal
+ cmp #$c1 ; below A?
bcc notinit
cmp #$db ; beyond Z?
bcs notinit
bcc legal
; -----------------------------------------
; b129
crsrout ldx fcursor ; crsr out
crsrdel lda $d4
pha
lda #0 ; crsr off
sta $d4
- lda fcursor,x
jsr bsout
dex
bne -
pla
sta $d4
lda #1
back2call rts
; -----------------------------------------
; b142
fcursor !by $04,$9d,$92,$20,$12 ; rvs on, space, rvs off, crsr lft
!by $9d,$9d,$20 ; space, crsr lft, crsr lft
; -----------------------------------------
; b14a
fetchtab !by $05,$11,$12,$13,$1c,$1d,$1e,$1f ; all these get skipped
!by $90,$91,$92,$93,$94,$9c,$9d,$9e
!by $9f
; ----------------------------------------- part of CALL
; b15b
fastcall ldx prstack ; einträge im labelstack?
beq back2call ; nein
inx ; voll?
beq back2call ; ja
fast dex ; nein
jsr incbasbz ; pz auf 1. zeichen
m8 dex
lda procstack,x ; vektor auf label setzen
sta $21
dex
lda procstack,x
sta $20
ldy #$ff ; .y=$ff wg. labelvergleich
jsr space ; führendes blank überlesen
jsr compare ; vergleichen von aufruf und label
beq +
txa ; alle labels durch?
bne m8 ; nein, weiter
jmp dec7a ; sonst: pz eins zurück, normale suche:
+ pla
pla
jmp found
; ----------------------------------------- part of USE
; b188
use1a jsr use3 ; get USE parameters (b3e2)
jsr sclrch
jmp endsmb
; ----------------------------------------- bef SCRSV
; b191 recoded
befscrsv jsr intro
ldx $b8 ; file#
jsr $ffc9
tya
jsr bsout
lda $fc
jsr bsout
lda #$d2 ; set (ff)d2= bsout to distributor
; b1a4
ss1 sta $f8
ldx #32 ; 32 pages (bitmap)
bit $fa
bmi ss0
ldx #4 ; 4 pages (video/colors)
; b1ae
ss0 bit $fa ; check sa
bmi ss4
lda ($fd),y ; sa=2: get video bytes
jsr distr ; process
sta ($fd),y ; and restore
lda ($fb),y
sec
bcs ss2 ; and color bytes too
; b1be
ss4 sei ; sa=3:
lda #$34
sta pport ; pixel aus bitmap holen
lda ($fb),y
pha
lda #$36
sta pport
cli
pla
; b1cc
ss2 jsr distr
sta ($fb),y
iny
bne ss3
inc $fc
inc $fe
dex ; count pages
bne ss3
beq ss5
; ----------------------------------------- bef SCRLD
; b1dd recoded
befscrld jsr intro
ldx $b8 ; file#
jsr $ffc6 ; open
jsr $ffcf ; skip load address
jsr $ffcf
lda #$cf ; (ff)cf= basin
bne ss1
; -----------------------------------------
; b1ef
ss3 lda #$c3 ; (ff)c3= close (vorsichtshalber)
bit status
beq ss0
ss5 jsr $ffcc ; clrch
lda $b8 ; file#
jsr $ffc3 ; close
jmp endsmb
; -----------------------------------------
distr jmp ($00f8)
; -----------------------------------------
; b203
intro jsr incbasbz
jsr safeopen
ldy #$00
sty $fb ; fb: 0400/e000
sty $fd ; fd: d800
lda $b9 ; sa 2 or 3:
ror ; 1 - 1
ror ; 0 - 128
sta $fa ; set sa flag
bmi ss6
; b217 (change b218 for charsets and so)
lda #$d8 ; $d800
sta $fe
; b21b (change b21c after MEM!)
lda #$04 ; $0400
bne ss7
ss6 lda #$e0 ; $e000
ss7 sta $fc
lda #$ff
sta $f9 ; 00f8: ff(cf/d2)
rts
; -----------------------------------------
!by 0
; ----------------------------------------- bef TEXT
; b229 original
beftext jsr incbasbz
jsr sgetadr
sty $09
sta $0a
jsr sgetbytc
stx $a4
jsr schkcom
jsr sgetstr
sta $21
stx $20
lda $69
sta helpvec
jsr getpktf
jsr sgetbytc
stx chgr
cpx #0
bne +
lda #1
sta chgr
+ jsr sgetbytc
stx krx
ldy #0
sty schrart
sty $6a
txloop lda $a4
pha
lda $09
pha
lda $0a
pha
lda chgr
pha
lda ($20),y
cmp #$12 ; rvs on?
bne +
lda #$80
sta $6a
jmp txcont
+ cmp #$92 ; rvs off?
bne +
lda #$00
sta $6a
jmp txcont
+ cmp #1 ; ctrl a?
bne +
lda #0
sta schrart
jmp txcont
+ cmp #2
bne +
lda #1
sta schrart
jmp txcont
+ sta $ac
cmp #$ff ; PI?
bne +
lda #$5e ; (changed!)
jmp txl0
+ cmp #$e0 ; convert to bcode
bcc +
sec
sbc #$40
jmp txl0
+ cmp #$c0
bcc txl0