[A83] Re: Mario Side-Scroller


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[A83] Re: Mario Side-Scroller




you had a backwards ld in there : )

GetXY:
  ;NOTE: This assumes you stored the map data vertically!
  ;Input e=y,hl=x
  ;Output a= tile at (x,y)
  ld a,l
  and %11111000
  ld l,a
  ;add hl,hl    ;only do this if your map is 16 high instead of 8
  ;ld 0,d   BACKWARDS
    ld d,0  
  add hl,de
  ld de,map         ;or whatever you named the map memory
  add hl,de
  ld a,(hl)
  ret