c2p table halftone

c2p halftone table at the end

pcstart
    jmp init
;usec2p
;   move.l d0,a6
;   move.l (a6),d4
;   move.l d1,a6
;   or.l (a6),d4
;   move.l d2,a6
;   move.l (a6),d5
;   move.l d3,a6
;   or.l (a6),d5
;   movep d4,0(a0)
;   movep d5,161(a0)

; CODe that calculate c2phalftone   data
; once the value calculated in debugger
; it cost less byte to put the data directly in dc.l
; then no need for the code below and the c2ptable
;
; and the code is deprecated but i need to keep this routine for the futur
init
    move.l #$55555555,d2
    move.l d2,d3
    not.l d3

    lea c2ptable,a0
    lea mem,a1
    moveq #15,d7
    move.l (a0)+,d0
toto
    move.l (a0)+,d1
    move.l d0,(a1)+
    move.l d0,d4
    and.l d2,d4
    move.l d1,d5
    and.l d3,d5
    or.l d4,d5
    move.l d5,(a1)+

    move.l d1,d0
    dbf d7,toto
    illegal
c2ptable    DC.L $00000000
            DC.L $FF000000
            DC.L $00FF0000
            DC.L $FFFF0000
            DC.L $0000FF00
            DC.L $FF00FF00
            DC.L $00FFFF00
            DC.L $FFFFFF00
            DC.L $000000FF
            DC.L $FF0000FF
            DC.L $00FF00FF
            DC.L $FFFF00FF
            DC.L $0000FFFF
            DC.L $FF00FFFF
            DC.L $00FFFFFF
            DC.L $FFFFFFFF
mem
c2phalftone
            dc.l $00000000
            dc.l $AA000000
            dc.l $FF000000
            dc.l $55AA0000
            dc.l $00FF0000
            dc.l $AAFF0000
            dc.l $5555AA00
            dc.l $0000FF00
            dc.l $AA00FF00
            dc.l $FF00FF00
            dc.l $55AAFF00
            dc.l $00FFFF00
            dc.l $AAFFFF00
            dc.l $FFFFFF00
            dc.l $555555AA
            dc.l $000000FF
            dc.l $AA0000FF
            dc.l $FF0000FF
            dc.l $55AA00FF
            dc.l $00FF00FF
            Dc.l $AAFF00FF
            DC.L $FFFF00FF
            DC.L $5555AAFF
            DC.L $0000FFFF
            DC.L $AA00FFFF
            DC.L $FF00FFFF
            DC.L $55AAFFFF
            DC.L $00FFFFFF
            DC.L $AAFFFFFF
            DC.L $FFFFFFFF

            dc.l $FFFFFFFF      ; repeated to have 32 value