I was wondering if this kind of 86 ASM code works on the 82: ld a,%10000000 ld (ColMask),a ld a,(Pov) Modif_Fov equ $+1 add a,20h ld (Ray),a Modif_StartCol equ $+1 ld a,20h ld (CurrCol),a Modif_NbCol equ $+1 ld a,40h ld (NbCol),a Sam ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com