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init
ld hl,COMMANDLINE ;command line
call skipword
call skipspaces
ld a,(hl)
or a
jr z,noautoload
;command line = bk <file to load>"
ld (filenameaddr),hl
;jr autoloadq
noautoload
;autoloadq
OS_HIDEFROMPARENT
ld sp,STACK
ld a,0;1 ;pseudo-color
call setgfxmode
;ld de,diskname
;OS_OPENHANDLE
;ld a,b
;ld (diskhandle),a
OS_GETMAINPAGES ;out: d,e,h,l=pages in 0000,4000,8000,c000, c=flags, b=id
ld a,e
ld (pgprog),a
push hl
ld e,h
OS_DELPAGE
pop hl
ld e,l
OS_DELPAGE
ld hl,tpgs
ld b,4
filltpgs0
push bc
push hl
OS_NEWPAGE
pop hl
push de
push hl
ld a,e
call clpga
pop hl
pop de
filltpgs0_noclear
pop bc
ld a,l
rrc l
rrc l
ld (hl),e
ld l,a
inc l
djnz filltpgs0
ld de,oldpath
OS_GETPATH
ld de,path
OS_CHDIR
ld de,tlowmem ;de=filename
ld hl,0x0000 ;addr in segment
call loadcompp
ld de,trom0 ;de=filename
ld hl,0x8000 ;addr in segment
call loadcompp
ld de,trom1 ;de=filename
ld hl,0xa000 ;addr in segment
call loadcompp
ld de,trom2 ;de=filename
ld hl,0xc000 ;addr in segment
call loadcompp
ld de,trom3 ;de=filename
ld hl,0xe000 ;addr in segment
call loadcompp
ld de,oldpath
OS_CHDIR
call swapimer ;╤Б╨╜╨░╤З╨░╨╗╨░ ╨┐╤А╨╡╤А╤Л╨▓╨░╨╜╨╕╤П ╨╜╨╕╤З╨╡╨│╨╛ ╨╜╨╡ ╨┤╨╡╨╗╨░╤О╤В (iff1==0)
jp initq
resetpp
xor a
ld (iff1),a
ld hl,0x02d8
ld (bkscroll),hl
ld a,(tpgs+0x00)
call clpga
call cls_bk
call cls_for_curgfxmode
ld hl,0x01fe;0x0200
ld (_SP),hl
ld hl,0x8000
filenameaddr=$+1
ld de,0;tprog ;de=filename
ld a,d
or e
jr z,noloadfile
push de
ex de,hl
call findlastdot
ld a,(de) ;de = after last dot
pop de
cp '0' ;╨║╨╛╤Б╤В╤Л╨╗╤М ╨┤╨╗╤П ╤В╨╡╤Б╤В╨░ .0bk
ld hl,4
jr nz,$+3
ld l,h
push hl
OS_OPENHANDLE
ld a,b
ld (curhandle),a
ld de,bkheader
pop hl
push hl ;header size
;ld hl,4 ;de=buffer, hl=size
ld a,h
or l
call nz,readcurhandle
pop hl ;size defect
ld de,(bkheader)
;ld de,0x01fc
;de=addr
push de
;ld hl,4 ;size defect
call loadcompp_noheader
pop hl ;=IP(PC)
ld a,h
cp 2
jr nc,noloadfile
or a
jr z,loadfile_testq ;╨║╨╛╤Б╤В╤Л╨╗╤М ╨┤╨╗╤П ╤В╨╡╤Б╤В╨░
;autostart: ╨▒╨╡╤А╤С╨╝ ╨░╨┤╤А╨╡╤Б ╨╕╨╖ 0x01fe
ld a,(tpgs)
SETPGC000
ld hl,(0x01f6+0xc000) ;1f6 for newlode
noloadfile
ex de,hl
LD IY,EMUCHECKQ
;ld a,-1
;ld (iff1),a
jp loopcjp;_LoopC_JP ╨╖╨░╨╝╨╡╨╜╨╕╤В ╤В╨╡╨║╤Г╤Й╤Г╤О ╤Б╤В╤А╨░╨╜╨╕╤Ж╤Г
loadfile_testq
ld hl,0x0080
jr noloadfile
;hl = poi to filename in string
;out: ;de = after last dot
findlastdot
nfopenfndot.
ld d,h
ld e,l ;de = after last dot
nfopenfndot0.
ld a,[hl]
inc hl
or a
ret z
cp '.'
jr nz,nfopenfndot0.
jr nfopenfndot.
bkheader
dw 0 ;addr
dw 0 ;size (not used)
;de=╨╕╨╝╤П ╤Д╨░╨╣╨╗╨░
;hl=╨║╤Г╨┤╨░ ╨│╤А╤Г╨╖╨╕╨╝
loadfile_in_hl
push hl ;╨║╤Г╨┤╨░ ╨│╤А╤Г╨╖╨╕╨╝
OS_OPENHANDLE
pop de ;╨║╤Г╨┤╨░ ╨│╤А╤Г╨╖╨╕╨╝
push bc ;b=handle
ld h,0x7f ;╤Б╤В╨╛╨╗╤М╨║╨╛ ╨│╤А╤Г╨╖╨╕╨╝ (╨╡╤Б╨╗╨╕ ╤Б╤В╨╛╨╗╤М╨║╨╛ ╨╡╤Б╤В╤М ╨▓ ╤Д╨░╨╣╨╗╨╡)
OS_READHANDLE
pop bc ;b=handle
OS_CLOSEHANDLE
ret
readcurhandle
curhandle=$+1
ld b,0
OS_READHANDLE
ret
changegfxmode
;TODO ╨╖╨░╤Й╨╕╤В╨░ ╨╛╤В int!!!
di
ld a,(curgfxmode)
inc a
cp 3
jr c,$+3
xor a
call setgfxmode
call cls_for_curgfxmode
call redraw_for_curgfxmode
ei
ret
setgfxmode
ld (curgfxmode),a
;0=mono
;1=pseudo-color
;2=rgb
;...
or a
jr z,setgfxmode_mono
;1=pseudo-color
;2=rgb
cp 1
ld de,bkpal
jr z,$+5
ld de,rgbpal
OS_SETPAL
ld e,0+0x80 ;EGA+keep
OS_SETGFX ;e=0:EGA, e=2:MC, e=3:6912, e=6:text ;+SET FOCUS ;e=-1: disable gfx (out: e=old gfxmode)
ld hl,tleftpixels
mkrecolor0
ld a,l ;%????RrLl ;%????LlRr
rrca
rrca ;%Ll????Rr
rla
rla ;%????Rr?L
rla ;%???Rr?Ll
and 0x1b
ld (hl),a;000Rr0Ll
inc l
jr nz,mkrecolor0
ld a,PUTSCREEN_C_PATCH_COLOR
ld (putscreen_c_patch),a
ret
setgfxmode_mono
ld e,2+0x80 ;MC+keep
OS_SETGFX ;e=0:EGA, e=2:MC, e=3:6912, e=6:text ;+SET FOCUS ;e=-1: disable gfx (out: e=old gfxmode)
ld de,standardpal
OS_SETPAL
ld hl,tmirror
mkmirror0
ld b,8
mkmirror1
rlc l
rra
djnz mkmirror1
ld (hl),a
inc l
jr nz,mkmirror0
ld e,7 ;╨░╤В╤А╨╕╨▒╤Г╤В ╨┤╨╗╤П mono
ld a,(user_scr0_low) ;ok
call clpga_e
ld a,PUTSCREEN_C_PATCH_MONO
ld (putscreen_c_patch),a
ret
;keep here for quit
swapimer
di
ld de,0x0038
ld hl,oldimer
ld bc,3
swapimer0
ld a,(de)
ldi ;[oldimer] -> [0x0038]
dec hl
ld (hl),a ;[0x0038] -> [oldimer]
inc hl
jp pe,swapimer0
ei
ret
farquiter
call swapimer
ld hl,0
QUIT
tlowmem
db "bklowmem.bin",0
trom0
db "bk10_017_mon.rom",0
trom1
db "bk10_106_basic1.rom",0
trom2
db "bk10_107_basic2.rom",0
trom3
db "bk10_108_basic3.rom",0
path
db "bk",0
skipword
;hl=string
;out: hl=terminator/space addr
getword0
ld a,(hl)
or a
ret z
cp ' '
ret z
inc hl
jr getword0
skipspaces
;hl=string
;out: hl=after last space
ld a,(hl)
cp ' '
ret nz
inc hl
jr skipspaces
loadcompp
;de=filename
;hl=addr
push hl
OS_OPENHANDLE
ld a,b
ld (curhandle),a
pop de ;addr
ld hl,0 ;no size defect
loadcompp_noheader
;de=addr, hl=size defect
ld a,d
and 0xc0
ld c,a
ld b,tpgs/256
set 7,d
set 6,d
push bc
push de
ld a,(curhandle)
ld b,a
push hl ;size defect
OS_GETFILESIZE ;b=handle, out: dehl=file size
pop bc ;ld bc,4
or a
sbc hl,bc
jr nc,$+3
dec de
pop de
pop bc
loadcompp0
;de=╤В╨╡╨║╤Г╤Й╨╕╨╣ ╨░╨┤╤А╨╡╤Б ╨╖╨░╨│╤А╤Г╨╖╨║╨╕ (c000+)
;hl=╤Б╨║╨╛╨╗╤М╨║╨╛ ╨▒╨░╨╣╤В╨╛╨▓ ╨╛╤Б╤В╨░╨╗╨╛╤Б╤М ╨│╤А╤Г╨╖╨╕╤В╤М
;bc=tpgs+╤В╨╡╨║╤Г╤Й╨╕╨╣ ╨╜╨╛╨╝╨╡╤А ╤Б╤В╤А╨░╨╜╨╕╤Ж╤Л
push bc
ld a,(bc)
SETPGC000
push hl ;╤Б╨║╨╛╨╗╤М╨║╨╛ ╨▒╨░╨╣╤В╨╛╨▓ ╨╛╤Б╤В╨░╨╗╨╛╤Б╤М ╨│╤А╤Г╨╖╨╕╤В╤М
add hl,de
sbc hl,de
jr nc,loadcompp_nocroppg
ld hl,1
;scf
sbc hl,de
loadcompp_nocroppg
call readcurhandle
ld b,h
ld c,l
pop hl ;╤Б╨║╨╛╨╗╤М╨║╨╛ ╨▒╨░╨╣╤В╨╛╨▓ ╨╛╤Б╤В╨░╨╗╨╛╤Б╤М ╨│╤А╤Г╨╖╨╕╤В╤М
or a
sbc hl,bc
ld de,0xc000
pop bc
ld a,c
rlca
rlca
inc a
rrca
rrca
ld c,a ;next pg
ld a,h
or l
jr nz,loadcompp0
closecurhandle
ld a,(curhandle)
ld b,a
OS_CLOSEHANDLE
ret
far_int
ret
oldpath
ds MAXPATH_sz
;DDp palette: %grbG11RB(low),%grbG11RB(high), inverted
;standard:
;dw 0xffff,0xfefe,0xfdfd,0xfcfc,0xefef,0xeeee,0xeded,0xecec
;dw 0xffff,0xdede,0xbdbd,0x9c9c,0x6f6f,0x4e4e,0x2d2d,0x0c0c
;ansi:
;dw 0xffff,0xfdfd,0xefef,0xeded,0xfefe,0xfcfc,0xeeee,0xecec
;dw 0x1f1f,0x1d1d,0x0f0f,0x0d0d,0x1e1e,0x1c1c,0x0e0e,0x0c0c
bkpal
;0,W,orange,teal
dup 4
dw 0xffff,0x8d8d,0x5f5f,0x0c0c
edup
rgbpal
;0,R,B,G:
dup 4
dw 0xffff,0xdede,0x6f6f,0xbdbd
edup
standardpal
STANDARDPAL