# convert from C64 EDSCII to C64 original color palettes

color_map = {
    1: 1,
    2: 3,
    3: 5,
    4: 7,
    5: 6,
    6: 8,
    7: 12,
    8: 16,
    9: 10,
    10: 9,
    11: 11,
    12: 15,
    13: 14,
    14: 4,
    15: 13,
    16: 2
}

for frame, layer, x, y in TileIter(self):
    ch, fg, bg, xf = self.get_tile_at(frame, layer, x, y)
    fg = color_map.get(fg, 0)
    bg = color_map.get(bg, 0)
    self.set_color_at(frame, layer, x, y, fg, fg=True)
    self.set_color_at(frame, layer, x, y, bg, fg=False)