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1007 lines (1005 loc) · 10.7 KB
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diskop.z80
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;Diskoperations
fanz:
equ 7
mbase:
equ #2400
erase:
equ mbase+#15
setl:
equ mbase+#1b
buff:
equ #3600
dbuf:
equ #3800
instab:
equ #4000
name:
equ #4b10
inams:
equ #4b18
patts:
equ #4ad0
goto:
equ #4bfc
plen:
equ #4bfd
leng:
equ #4bff
loc:
equ #9000
chr:
equ #9005
text:
equ #9008
maus:
equ #900b
hexo:
equ #900e
out:
equ #9011
noten:
equ #9014
cler:
equ #9017
taus:
equ #901a
sync:
equ #901d
swi:
equ #9020
wahl:
equ #9023
chos:
equ #9026
init:
equ #9029
stasi:
equ #902c
prins:
equ #902f
ddr:
equ #9032
driv:
equ #a700
block:
equ #af00
menu:
equ #af02
mess1:
equ #af04
ink:
equ #af06
taste:
equ #bb1b
;ent #9002
org #8000
jp disk
jp cls
jp dec1
jp jeck
jp derr
nop
rjp:
defw 0
disk:
call taus
call sync
call ink2
ld hl,mess2
call text
call drout
call stat
ld hl,disko
call jeck
call cls
ld hl,#bf00
call #bcdd
ld hl,(block)
ld de,disko
ld (hl),e
inc hl
ld (hl),d
xor a
call init
dlop:
call taste
jr nc,dlop
cp #fc
jr z,die
call wahl
call z,chos
jr dlop
die:
ld hl,#501
ld (loc),hl
ld hl,#bf00
call #bcda
ld hl,(block)
ld de,(menu)
ld (hl),e
inc hl
ld (hl),d
ld hl,(mess1)
call text
call cls
xor a
jp init
cat:
call dir
ld hl,buff
ld ix,sngs
call find
ld (indir),hl
ld ix,inss
call find
ld b,178
ld a,(#be51)
and #c0
cp #c0
jr z,dat
ld b,169
dat:
ld a,b
ld de,14
ld ix,dbuf
gfre:
sub (ix+12)
add ix,de
bit 7,(ix)
jr nz,gfre
ld (free),a
stat:
ld hl,#b01
ld (loc),hl
call ink2
ld a,(sngs+3)
call dec1
ld hl,#1501
ld (loc),hl
ld a,(inss+3)
call dec1
ld hl,#2001
ld (loc),hl
ld a,(free)
call decz
jp ink1
dir:
ld hl,dir
ld (rjp),hl
ld de,dbuf
call #bc9b
call nc,derr
ret
find:
ld (ix+3),0
ld iy,dbuf
file:
ld a,(iy)
cp #ff
ret nz
call filt
jr file
filt:
inc iy
ld (hl),0
ld a,(iy+8)
cp (ix)
jr nz,nona
ld a,(iy+9)
cp (ix+1)
jr nz,nona
ld a,(iy+10)
cp (ix+2)
jr nz,nona
ld b,8
naml:
ld a,(iy)
ld (hl),a
inc hl
inc iy
djnz naml
inc (ix+3)
ld de,5
add iy,de
ret
nona:
ld de,13
add iy,de
ret
derr:
ret c
ret nz
pop hl
set 7,a
ld (errn),a
call #bc7a
call #bc8f
delp:
call cls
ld hl,#010b
ld (loc),hl
ld a,(driv)
add a,65
ld (dise+6),a
ld hl,dise
call text
ld a,(errn)
call ferr
ld hl,dert
call text
call maus
erpl:
call #bb06
res 5,a
cp "C"
jp z,cls
cp "R"
jr nz,erpl
retr:
call cls
ld hl,(rjp)
jp (hl)
ferr:
ld hl,ertab
ld b,fanz
fer1:
cp (hl)
jr z,erfnd
inc hl
inc hl
inc hl
djnz fer1
ld hl,der0
jp text
erfnd:
inc hl
ld e,(hl)
inc hl
ld d,(hl)
ex de,hl
jp text
loads:
ld ix,sngs
ld a,(ix+3)
or a
ret z
call cls
ld hl,#209
ld (loc),hl
ld hl,buff
call ausga
call wahle
call cls
ld hl,(fnad)
ld a,h
or l
ret z
ld de,fname
ld bc,8
ldir
call readf
ret
readf:
ld hl,readf
ld (rjp),hl
ld b,12
ld hl,fname
call #bc77
call nc,derr
ld a,177
and a
ld hl,(#a777)
ld de,#5453
sbc hl,de
call nz,derr+2
ld hl,#4080
call #bc83
call nc,derr
call #bc7a
call nc,derr
ld hl,(#a76d)
ld de,#4080
add hl,de
clil:
ld (hl),0
inc hl
ld a,h
cp #80
jr nz,clil
call setl
ld hl,#1506
ld (loc),hl
ld a,(goto)
call dec1
ld a,(leng)
call ddr
xor a
call stasi
xor a
jp prins
saves:
ld a,(leng)
ld b,a
xor a
ld hl,patts
klein:
ld c,(hl)
cp c
jr nc,nokle
ld a,c
nokle:
inc hl
djnz klein
push af
ld a,(plen)
ld h,0
ld l,a
ld d,h
ld e,l
add hl,hl
add hl,hl
add hl,hl
add hl,de
pop af
inc a
ex de,hl
ld hl,0
adlo:
add hl,de
dec a
jr nz,adlo
ld de,#c00-128
add hl,de
ld (filen),hl
ld hl,name
call bad
ld de,fname
ld bc,8
ldir
call writ
jp cls
writ:
ld hl,writ
ld (rjp),hl
ld hl,fname
call jupp
ld b,12
ld hl,fname
call #bc8c
call nc,derr
ld hl,#5453
ld (#a7c1),hl
ld a,2
ld hl,#4080
ld de,(filen)
ld bc,0
call #bc98
call nc,derr
call #bc8f
call nc,derr
jp cat
loadi:
ld ix,inss
ld a,(ix+3)
or a
ret z
call cls
ld hl,#209
ld (loc),hl
ld hl,(indir)
call ausga
call wahle
call cls
ld hl,(fnad)
ld a,h
or l
ret z
ld de,iname
ld bc,8
ldir
call readi
jp cls
readi:
ld hl,readi
ld (rjp),hl
ld b,12
ld hl,iname
call #bc77
call nc,derr
ld a,177
and a
ld hl,(#a777)
ld de,#5453
sbc hl,de
call nz,derr+2
ld hl,dbuf
call #bc83
call nc,derr
call #bc7a
call nc,derr
call insin
cp #fc
jp z,cls
ld hl,dbuf
ld de,(adin)
ld bc,130
ldir
ld a,(ins)
call getna
ex de,hl
ld hl,iname
ld bc,8
ldir
ld hl,meld3
call text
ld a,(ins)
call out
ld hl,meld9
call text
ld hl,iname
call namp
wait:
ld hl,pres
call text
call cler
jp #bb06
savei:
call cls
call insin
cp #fc
jp z,cls
call getna
call bad
ld de,iname
ld bc,8
ldir
ld hl,(adin)
ld de,dbuf
ld bc,130
ldir
call writi
jp cls
;get adr. of name in HL
getna:
add a,a
add a,a
add a,a
ld d,0
ld e,a
ld hl,inams
add hl,de
ret
writi:
ld hl,writi
ld (rjp),hl
ld hl,iname
call jupp
ld b,12
ld hl,iname
call #bc8c
call nc,derr
ld hl,#5453
ld (#a7c1),hl
ld a,2
ld hl,dbuf
ld de,130
ld bc,0
call #bc98
call nc,derr
call #bc8f
call nc,derr
ret
jupp:
push hl
ld hl,meld1
call text
pop hl
jp filna
dria:
xor a
ld (driv),a
jr drout
drib:
ld a,1
ld (driv),a
jr drout
drout:
ld hl,#701
ld (loc),hl
call ink2
ld a,(driv)
add a,65
call chr
jp ink1
;
bad:
ld a,(hl)
cp "-"
ret z
jr c,bad1
cp 91
jr nc,bad1
cp 65
ret nc
cp 58
jr nc,bad1
cp 48
ret nc
bad1:
ld hl,#10c
ld (loc),hl
ld hl,der8
call text
call wait
pop hl
jp cls
;
insin:
ld hl,meld2
call text
call maus
xor a
ld (ins),a
inlop:
call sync
call taste
cp #fc
ret z
jr nc,inlop
cp 48
jr c,inlop
cp #3b
jr c,otto
res 5,a
cp "A"
jr c,inlop
cp "G"
jr nc,inlop
sub 7
otto:
sub 48
push af
push af
call out
pop af
add a,a
ld b,a
add a,a
add a,b
ld d,0
ld e,a
ld hl,instab
add hl,de
inc hl
inc hl
ld e,(hl)
inc hl
ld d,(hl)
ld (adin),de
pop af
ld (ins),a
ret
;
ausga:
xor a
ld (max1),a
ld (max2),a
ld (panz),a
ld (pust),a
ld (walt),hl
ld a,(ix+3)
ld b,a
dec a
ld (max),a
cp 32
call nc,page
iif:
push bc
call namp
push hl
ld hl,(loc)
inc h
inc h
ld a,h
cp 41
jr c,yyy
ld h,2
inc l
ld a,l
cp 25
jr c,yyy
ld hl,#101
yyy:
ld (loc),hl
pop hl
pop bc
djnz iif
ret
page:
sub 32
ld (max2),a
ld a,1
ld (panz),a
ld a,31
ld (max),a
ld (max1),a
ld b,32
ret
wahle:
xor a
call mal1
ld hl,0
ld (fnad),hl
wahll:
call taste
jr nc,wahll
cp #fc
jp z,cls
cp 9
call z,swit
cp 13
jp z,take
cp 32
jp z,take
cp 240
call z,wup
cp 241
call z,wdo
cp 242
call z,wlt
cp 243
call z,wrt
jr wahll
wlt:
ld a,(xpos)
sub 1
jr nc,male
ld a,(max)
jr male
wrt:
ld a,(max)
ld b,a
ld a,(xpos)
inc a
cp b
jr z,male
jr c,male
xor a
jr male
wdo:
ld a,(max)
ld b,a
ld a,(xpos)
add a,4
cp b
jr z,male
jr c,male
ret
wup:
ld a,(xpos)
cp 4
ret c
sub 4
male:
push af
call eras
pop af
mal1:
ld (xpos),a
ld d,0
ld e,a
push de
push af
and 3
add a,a
ld b,a
add a,a
add a,a
add a,b
inc a
ld h,a
pop af
and a
srl a
srl a
add a,9
ld l,a
ld (loc),hl
ld (luc),hl
pop hl
add hl,hl
add hl,hl
add hl,hl
ld de,(walt)
add hl,de
ld (nadr),hl
ld a,22
call chr
ld a,32
call chr
call namp
ld a,32
call chr
ld a,22
jp chr
take:
ld hl,(nadr)
ld (fnad),hl
ret
eras:
ld hl,(luc)
ld (loc),hl
ld hl,(nadr)
ld a,32
call chr
call namp
ld a,32
jp chr
swit:
ld a,(panz)
or a
ret z
ld a,(pust)
xor 1
ld (pust),a
or a
jr nz,page1
ld hl,(walt)
dec h
ld a,(max1)
jr pack
page1:
ld hl,(walt)
inc h
ld a,(max2)
pack:
ld (walt),hl
ld (max),a
ld b,a
inc b
push hl
push bc
call cls
ld hl,#209
ld (loc),hl
pop bc
pop hl
call iif
xor a
jp mal1
filna:
ld a,(driv)
add a,65
call chr
ld a,":"
call chr
ld b,12
jr nam1
namp:
ld b,8
nam1:
ld a,(hl)
call chr
inc hl
djnz nam1
ret
ink1:
ld hl,(ink)
inc hl
ld (hl),#1c
ret
ink2:
ld hl,(ink)
inc hl
ld (hl),2
ret
decz:
ld c,100
call subs
dec1:
ld c,10
call subs
ld c,1
subs:
ld b,47
sub c
inc b
jr nc,subs+2
add a,c
push af
ld a,b
call chr
pop af
ret
jeck:
push hl
xor a
ld b,16
ld hl,#c050
call cls0
pop hl
ld b,(hl)
inc hl
inc b
topl:
push bc
ld d,(hl)
inc hl
ld e,(hl)
inc hl
ld (loc),de
ld a,32
call chr
ld b,(hl)
inc hl
call nam1
inc hl
inc hl
pop bc
djnz topl
ret
cls:
xor a
ld b,64
ld hl,#c280
cls0:
push hl
ld c,80
cls1:
ld (hl),a
inc hl
dec c
jr nz,cls1
pop hl
ld de,#800
add hl,de
jr nc,noca
ld de,#c050
add hl,de
noca:
djnz cls0
jp cler
;
errn:
nop
free:
nop
ins:
nop
max:
nop
max1:
nop
max2:
nop
panz:
nop
pust:
nop
xpos:
nop
adin:
defw 0
filen:
defw 0
fnad:
defw 0
indir:
defw 0
luc:
defw 0
nadr:
defw 0
walt:
defw 0
fname:
defm " ."
sngs:
defm "SNG"
defb 0
iname:
defm " ."
inss:
defm "INS"
defb 0
nop
meld1:
defb 10,1,13
defm "Saving "
defb 0
meld2:
defb 10,1,9
defm "Choose Ins.: "
defb 0
meld3:
defb 10,1,13
defm "Instrument "
defb 0
meld9:
defm " is "
defb 0
pres:
defb 10,1,16
defm "Press any key."
defb 0
ertab:
defb 144
defw der1
defb 194
defw der2
defb 148
defw der3
defb 147
defw der4
defb 146
defw der5
defb 196
defw der6
defb 177
defw der7
;
mess2:
defb 10,1,1
defm "Drive A: 00 Songs 00 Instrs 000K free"
defb 0
dise:
defm "Drive A: "
defb 0
der0:
defm "not ready"
defb 0
der1:
defm "Disc missing"
defb 0
der2:
defm "write protected"
defb 0
der3:
defm "Disc full"
defb 0
der4:
defm "Directory full"
defb 0
der5:
defm "File not found"
defb 0
der6:
defm "Disc corrupt!"
defb 0
der7:
defm "no ST-File!"
defb 0
der8:
defm "Bad Filename. Please rename!"
defb 0
dert:
defb 13,13
defm "[R]etry or [C]ancel? "
nop
disko:
defb 7
defb 1,2,7
defm "GET DIR"
defw cat
defb 10,2,9
defm "LOAD SONG"
defw loads
defb 21,2,9
defm "SAVE SONG"
defw saves
defb 33,2,5
defm "ERASE"
defw erase
defb 1,3,8
defm "LOAD INS"
defw loadi
defb 11,3,8
defm "SAVE INS"
defw savei