PLAYFIELD_X = 32
PLAYFIELD_Y = 16
PLAYFIELD_W = 384
PLAYFIELD_H = 368

PLAYFIELD_LEFT = PLAYFIELD_X
PLAYFIELD_TOP = PLAYFIELD_Y
PLAYFIELD_RIGHT = PLAYFIELD_X + PLAYFIELD_W
PLAYFIELD_BOTTOM = PLAYFIELD_Y + PLAYFIELD_H

PLAYFIELD_VRAM_X = PLAYFIELD_X / 8
PLAYFIELD_VRAM_W = PLAYFIELD_W / 8
PLAYFIELD_VRAM_RIGHT = PLAYFIELD_RIGHT / 8

PLAYFIELD_TRAM_X = PLAYFIELD_X / 8
PLAYFIELD_TRAM_W = PLAYFIELD_W / 8
PLAYFIELD_TRAM_RIGHT = PLAYFIELD_RIGHT / 8