Write Address Detailed Functions
CTRLPF
This address is uded to write into the playfield control
register (a logic 1 causes action as described below)
D0 = REF (reflect playfield)
D1 = SCORE (left half of playfield gets color of player 0,
right half gets color of player 1)
D2 = PFP (playfield gets priority over players so they can
move behind the playfield)
D4 & D5 = BALL SIZE
D5 D4 Width
0 0 1 clock
0 1 2 clocks
1 0 4 clocks
1 1 8 clocks