Task

ZXNet echo conference «code.zx»

From jtn To All 16 December 2005

Hello axor ;Hl=adr ld a,h sub massive/256 ld h,a ld a,l add hl,hl add hl,hl and #3f ld l,a ;H-y, L-x p.s. I'm too lazy to think further...

From Alexander Shushkov To All 16 December 2005

Hello, All Given ADR=MASSIVE+64*Y+X. You need to get it back quickly: Y=INT((ADR-MASSIVE)/64) X=(ADR-MASSIVE)-Y*64 MASSIVE=even address.