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on_int
        push af
        push bc
        push de
        push hl
        push ix
        push iy
        ex af,af'
        push af
        ld a,(_frameready)
        or a
        jr z,on_int_notready
        ld hl,(_readyattrbuf) ;_attrbuf
        ld de,0x5800
        ld bc,768
        ldir
        xor a
        ld (_frameready),a
on_int_notready
        call PLAY
        ld hl,(_timer)
        inc hl
        ld (_timer),hl
        pop af
        ex af,af'
        pop iy
        pop ix
        pop hl
        pop de
        pop bc
        pop af
        ei
        ret

border
border.A.=$+1
        ld a,0
        out (0xfe),a
        ret

halter
        halt
        ret

random
seed=$+1
        ld hl,0x0564;0x0562
        ld bc,0x0305
        add hl,bc
        ld a,(hl)
        inc h
        rrca
        rrca
        rrca
        rrca
        xor (hl)
        inc h
        rrca
        xor (hl)
        res 5,h
        ld (seed),hl
        ret

pokenet
pokenet.A.=$+2 ;row
pokenet.B.=$+1 ;col
        ld hl,0
        ld bc,_netaddr
        add hl,bc
pokenet.C.=$+1 ;data
        ld (hl),0
        ret

peeknet
peeknet.A.=$+2 ;row
peeknet.B.=$+1 ;col
        ld hl,0
        ld bc,_netaddr
        add hl,bc
        ld a,(hl)
        ret

pokenetcolor
pokenetcolor.A.=$+2 ;row
pokenetcolor.B.=$+1 ;col
        ld hl,0
        ld bc,_netcoloraddr
        add hl,bc
pokenetcolor.C.=$+1 ;data
        ld (hl),0
        ret

peeknetcolor
peeknetcolor.A.=$+2 ;row
peeknetcolor.B.=$+1 ;col
        ld hl,0
        ld bc,_netcoloraddr
        add hl,bc
        ld a,(hl)
        ret

prch
prch.A.=$+1 ;addr
        ld de,0
prch.B.=$+1 ;ch
        ld hl,0
        ld bc,font;-32
        add hl,bc
        ;add a,a
        ;ld l,a
        ;ld h,15
        ;add hl,hl
        ;add hl,hl
        ld b,8
prch0.
        ld a,(hl)
        ;rrca
        ;or (hl)
        ld (de),a
        inc h;l
        inc d
        djnz prch0.
        ret

;юяЁхфхы хь ЎтхЄ ш фтшурхь _row (_col)
;хёыш hgt==_curhgt, Єю яюы ш _row++ (_col--)
;хёыш hgt>_curhgt, Єю ёЄхэр
;хёыш hgt<_curhgt, Єю _row++ (_col--) ш ъЁєЄшьё 
;_row,_col єърч√тр■Є эр Єю, ўЄю ь√ тшфшь т ¤Єющ ъыхЄъх, шыш эр  ьє
;c=rowstep
;b=curcolor
;a=curhgt
;hl=rowcol
testcube.crosscolnc
;curhgt > hgt ; ьр
        inc h;row
        dec c ;rowstep=TRUE
testcube.crossrow
;\ - яхЁхёхўхэшх _row, фры№°х шф╕ь яю _col
;rowstep == TRUE
        cp (hl);hgt
;curhgt <= hgt ;ёЄхэр яхЁхёхўхэшх row
        LD b,_clRed ;curcolor
        ret z
        ret c
;curhgt > hgt ; ьр
        dec l;col
        inc c ;rowstep=FALSE
        dec a;d;curhgt
        ;JP testcube.crosscol
testcube_s
;backslash==FALSE
        ;inc c;SUB c;[_rowstep.]
        ;dec c
        ;ret nz ;ў╕ЄэюёЄ№ эх ёююЄтхЄёЄтєхЄ, Єръ ўЄю уЁрэшЎ√ эх сєфхЄ
testcube.crosscol
;/ - яхЁхёхўхэшх _col, фры№°х шф╕ь яю _row
;rowstep == FALSE
        cp (hl);hgt
        jr NZ,testcube.crosscolnz
;curhgt == hgt ;яюы (Єюы№ъю яЁш яЁртшы№эющ ў╕ЄэюёЄш!)
        set 7,l
        ld b,(hl);curcolor
        res 7,l
        inc h;row
        dec c ;rowstep=TRUE
        ret
testcube.crosscolnz
        jr NC,testcube.crosscolnc
;curhgt < hgt ;ёЄхэр яхЁхёхўхэшх _col
        inc a;d;curhgt ;ЄхяхЁ№ ў╕ЄэюёЄ№ _rowstep эх ёююЄтхЄёЄтєхЄ _backslash!
        LD b,_clBlue ;curcolor
        ret

testcube_bs.crossrownc
;curhgt > hgt ; ьр
        dec l;col
        inc c ;rowstep=FALSE
testcube_bs.crosscol
;/ - яхЁхёхўхэшх _col, фры№°х шф╕ь яю _row
;rowstep == FALSE
        cp (hl);hgt
;curhgt <= hgt ;ёЄхэр яхЁхёхўхэшх _col
        LD b,_clBlue ;curcolor
        ret z
        ret c
;testcube_bs.ba
;curhgt > hgt ; ьр
        inc h;row
        dec c ;rowstep=TRUE
        dec a;d;curhgt
        ;JP testcube_bs.crossrow
testcube_bs
;backslash==TRUE
        ;inc c;SUB c;[_rowstep.]
        ;dec c
        ;ret z ;ў╕ЄэюёЄ№ эх ёююЄтхЄёЄтєхЄ, Єръ ўЄю уЁрэшЎ√ эх сєфхЄ
testcube_bs.crossrow
;\ - яхЁхёхўхэшх _row, фры№°х шф╕ь яю _col
;rowstep == TRUE
        cp (hl);hgt
        jr NZ,testcube_bs.crossrownz
;curhgt == hgt ;яюы (Єюы№ъю яЁш яЁртшы№эющ ў╕ЄэюёЄш!)
        set 7,l
        ld b,(hl);curcolor
        res 7,l
        dec l;col
        inc c ;rowstep=FALSE
        ret
testcube_bs.crossrownz
        jr NC,testcube_bs.crossrownc
;curhgt < hgt ;ёЄхэр яхЁхёхўхэшх row
        inc a;d;curhgt ;ЄхяхЁ№ ў╕ЄэюёЄ№ _rowstep эх ёююЄтхЄёЄтєхЄ _backslash!
        LD b,_clRed ;curcolor
        ret
 
cubecolumn
;lx=y
;hx=oldcolor
;b=curcolor
;c=rowstep
;hl=rowcol
;de=addr
        ld hl,(_col)
        ld a,(_row)
        add a,_netaddr>>8
        ld h,a
        ;ld hx,0x07;oldcolor
        ld b,0x07;curcolor
        LD A,[_addr]
        AND 0x02
        JR Z,cubecolumn_bs.
        LD c,0;[_rowstep],A
        xor a ;curhgt
        LD lx,+(_hgt-_scrhgt)/2 ;y
cubecolumn0
        inc c
        dec c
        CALL z,testcube_s
        LD hx,b;oldcolor=curcolor
        inc c
        dec c
        CALL nz,testcube_bs
        LD hx,b;oldcolor=curcolor
        dec lx ;y
        JP NZ,cubecolumn0
        LD de,[_addr]
        LD lx,_scrhgt/2 ;y
cubecolumn1
        inc c
        dec c
        CALL z,testcube_s
        ex af,af'
        LD A,b;[_curcolor]
        add a,a
        add a,a
        add a,a
        ADD A,hx;oldcolor
        LD [de],A
        inc e
        LD [de],A
        res 5,e
        LD hx,b;oldcolor=curcolor
        ex af,af'
        inc c
        dec c
        CALL nz,testcube_bs
        ex af,af'
        LD A,b;[_curcolor]
        add a,a
        add a,a
        add a,a
        ADD A,hx;oldcolor
        LD [de],A
        dec e
        LD [de],A
        ld a,e
        sub 0x20
        ld e,a
        jr nc,$+3
        dec d
        LD hx,b;oldcolor=curcolor
        ex af,af'
        dec lx ;y
        JP NZ,cubecolumn1
        RET 

cubecolumn_bs.
        LD c,0xff;[_rowstep],A
        xor a ;curhgt
        LD lx,+(_hgt-_scrhgt)/2 ;y
cubecolumn_bs0
        inc c
        dec c
        CALL nz,testcube_bs
        LD hx,b;oldcolor=curcolor
        inc c
        dec c
        CALL z,testcube_s
        LD hx,b;oldcolor=curcolor
        dec lx ;y
        JP NZ,cubecolumn_bs0
        LD de,[_addr]
        LD lx,_scrhgt/2 ;y
cubecolumn_bs1
        inc c
        dec c
        CALL nz,testcube_bs
        ex af,af'
        LD A,b;[_curcolor]
        add a,a
        add a,a
        add a,a
        ADD A,hx;oldcolor
        LD [de],A
        inc e
        LD [de],A
        res 5,e
        LD hx,b;oldcolor=curcolor
        ex af,af'
        inc c
        dec c
        CALL z,testcube_s
        ex af,af'
        LD A,b;[_curcolor]
        add a,a
        add a,a
        add a,a
        ADD A,hx;oldcolor
        LD [de],A
        dec e
        LD [de],A
        ld a,e
        sub 0x20
        ld e,a
        jr nc,$+3
        dec d
        LD hx,b;oldcolor=curcolor
        ex af,af'
        dec lx ;y
        JP NZ,cubecolumn_bs1
        RET 

getayreg
getayreg.A.=$+1
        ld a,0x00
getayrega.
        ld bc,0xfffd
        out (c),a
        in a,(c)
        ret

jumpay
jumpay.A.=$+1
jumpay.tonereg=$+1
        LD A,0
        CALL getayrega.
        LD L,A
        LD A,[jumpay.tonereg]
        inc a
        CALL getayrega.
        LD h,A
        push hl;LD [jumpay.frq],hl
        LD A,0x07 ;tone/noise mask reg
        CALL getayrega.
        cpl
jumpay.C.=$+1
jumpay.mask=$+1
        AND 0
        JP Z,jumpay.e. ;both masked
jumpay.B.=$+1
jumpay.volreg=$+1
        LD A,0
        CALL getayrega.
        LD lx,A
        cp 0x10
        JP C,jumpay.g.
        LD lx,0x04
        JP jumpay.h.
jumpay.g.
        cp 0x0f
        JP NZ,jumpay.i.
        LD lx,0x06
        JP jumpay.j.
jumpay.i.
        cp 0x0e
        JP NZ,jumpay.k.
        LD lx,0x05
        JP jumpay.l.
jumpay.k.
        cp 0x0d
        JP NZ,jumpay.m.
        LD lx,0x04
        JP jumpay.n.
jumpay.m.
        cp 0x0c
        JP NZ,jumpay.o.
        LD lx,0x03
        JP jumpay.p.
jumpay.o.
        cp 0x0b
        JP NZ,jumpay.q.
        LD lx,0x02
        JP jumpay.r.
jumpay.q.
        cp 0x09
        JP C,jumpay.s.
        LD lx,0x01
        JP jumpay.t.
jumpay.s.
        LD lx,0x00
jumpay.t.
jumpay.r.
jumpay.p.
jumpay.n.
jumpay.l.
jumpay.j.
jumpay.h.
        JP jumpay.f.
jumpay.e.
        LD lx,0x00
jumpay.f.
        ;LD A,[jumpay.volreg]
        ;SUB 0x09
        ;JP Z,jumpay.u.
        LD A,lx
        ADD A,a
        LD lx,A
jumpay.u.
        pop hl;LD HL,[jumpay.frq]
        LD DE,8
        ADD HL,DE
        ;LD [jumpay.frq],HL
        ;LD A,0x02
        LD hx,0x02;[jumpay.y],A
        ;LD HL,[jumpay.frq]
jumpay.w.
        LD DE,1000
        LD A,L
        SUB E
        LD A,H
        SBC A,D
        JP NC,jumpay.x.
        ld d,h
        ld e,l
        srl d
        rr e
        srl d
        rr e
        ADD HL,DE
        ;LD HL,jumpay.y
        ;INC [HL]
        inc hx;y
        JP jumpay.w.
jumpay.x.
        LD A,[jumpay.volreg]
        SUB 0x08
        JP NZ,jumpay.y.
        LD A,hx;[jumpay.y]
        srl a
        srl a
        LD L,A
        LD H,0
        XOR A
        SUB L
        LD L,A
        SBC A,H
        SUB L
        LD H,A
        LD [jumpay.x],HL
        JP jumpay.ba.
jumpay.y.
        LD A,[jumpay.volreg]
        SUB 0x0a
        JP NZ,jumpay.bb.
        LD A,hx;[jumpay.y]
        srl a
        srl a
        LD L,A
        LD H,0
        LD [jumpay.x],HL
        JP jumpay.bc.
jumpay.bb.
        LD HL,-0
        LD [jumpay.x],HL
jumpay.bc.
jumpay.ba.
        LD a,[jumpay.x]
        add a,hx;[jumpay.y]
        LD [_row],A
        LD E,hx;y
        LD D,0
        LD BC,[jumpay.x]
        LD A,E
        SUB C
        LD E,A
        LD A,D
        SBC A,B
        LD D,A
        LD A,0x19
        SUB E
        LD [_col],A
        LD [peeknet.B.],A
        LD A,[_row]
        LD [peeknet.A.],A
        CALL peeknet
        SUB lx
        ret nc
        LD A,[_row]
        LD [pokenet.A.],A
        LD A,[_col]
        ADD A,0x40
        LD [pokenet.B.],A
        LD A,lx
        LD [pokenet.C.],A
        jp pokenet
jumpay.x
        dw 0

decay
;ёярфхэшх рэрышчрЄюЁр 80000 ЄръЄют (+ эшцх ъюяшЁютрэшх)
;ьюцэю єёъюЁшЄ№ т 2 Ёрчр, яюЄюьє ўЄю яюыютшэр эх яюярфрхЄ т ¤ъЁрэ (эю ёыюцэр  ЇюЁьр)
        ld h,0x01+(_netaddr>>8)
        ld c,0x15
decay0
        ld l,0x41
        ld d,h
        ld e,l
        set 7,e
        ld b,0x19
decay00
        ld a,(hl)
        inc a
        inc h
        cp (hl)
        dec h
        jr C,decaypoke ;up
        dec l
        cp (hl)
        inc l
        jr C,decaypoke ;up
        dec h
        cp (hl)
        inc h
        jr C,decaypoke ;up
        inc l
        cp (hl)
        dec l
        jr C,decaypoke ;up
        dec a
        jr Z,decaypoke ;as is
        dec a ;decay
decaypoke
        ;set 7,l
        ;or a
        ;jr nz,$+3
        ;inc a
        ld (de),a
        ;res 7,l
        inc e
        inc l
        djnz decay00
        inc h
        dec c
        jp nz,decay0

;ъюяшЁютрэшх 40000 ЄръЄют - ьюцэю єёъюЁшЄ№ т 2 Ёрчр, яюЄюьє ўЄю яюыютшэр эх яюярфрхЄ т ¤ъЁрэ (эю ёыюцэр  ЇюЁьр)
        ld h,0x01+(_netaddr>>8)
        ld hx,0x15
decaycopyback0
        ld l,0x41
        ld d,h
        ld e,l
        set 7,l
        ld bc,0x19
        ldir
        ld l,0x41
        ld e,0x01
        ld bc,0x193f
decaycopyback00
        ld a,(hl)
        rra;sra a
        rra;sra a
        and c ;0x3f
        inc a
        ld (de),a
        inc l
        inc e
        djnz decaycopyback00
        inc h
        dec hx
        jp nz,decaycopyback0
        ret

clearnet
        ld hl,_netaddr
        ld d,h
        ld e,l
        inc de
        ld bc,0x15ff
        ld (hl),l;0
        ldir
        ret

drawcubetexture
        ;halt
        ;ld hl,0x5800
        ;ld d,h
        ;ld e,l
        ;inc de
        ;ld bc,0x2ff
        ;ld (hl),l;0
        ;ldir
        ld hl,0x4000
        ld d,h
        ld e,l
        inc de
        ld bc,0x17ff
        ld (hl),l;0
        ldir
        ;LD HL,0x4000
        ;LD [drawcubetexture.addr],HL
        LD hx,0x00 ;y
drawcubetexture.j.
        LD A,hx;[drawcubetexture.y]
        cp _scrhgt
        JP NC,drawcubetexture.k.
        LD a,hx ;y
        add a,a
        add a,a
        add a,a
        add a,a
        add a,a
        LD L,A
        LD A,0x18
        AND hx ;y
        add a,0x40
        LD H,A
        LD [drawcubetexture.addry],hl
        LD lx,0x00 ;x
drawcubetexture.l.
        LD A,lx;[drawcubetexture.x]
        SUB _wid
        JP NC,drawcubetexture.m.
drawcubetexture.addry=$+1
        LD HL,0
        ;LD A,[drawcubetexture.x]
        LD E,lx ;x
        LD D,0
        ADD HL,DE
        LD b,0x08
        LD A,lx;[drawcubetexture.x]
        rra
        XOR hx;[drawcubetexture.y]
        rra
        JP c,drawcubetexture.n.
        LD de,0x0001
drawcubetexture.p.
        LD [hl],d
        inc l
        LD [HL],E
        dec l
        scf
        rl e
        rl d
        scf
        rl e
        rl d
        inc h
        djnz drawcubetexture.p.
drawcubetexture.q.
        JP drawcubetexture.o.
drawcubetexture.n.
        LD de,0x8000
drawcubetexture.r.
        ld (hl),d
        inc l
        LD [HL],E
        dec l
        scf
        rr d
        rr e
        scf
        rr d
        rr e
        inc h
        djnz drawcubetexture.r.
drawcubetexture.o.
        ;LD A,[drawcubetexture.x]
        ;ADD A,0x02
        ;LD [drawcubetexture.x],A
        inc lx ;x
        inc lx ;x
        JP drawcubetexture.l.
drawcubetexture.m.
        ;LD HL,drawcubetexture.y
        ;INC [HL]
        inc hx ;y
        JP drawcubetexture.j.
drawcubetexture.k.
        ret