BPLCON2 - Bit-plane Control
Bit 6 - PF2PRI
1 = Playfield 2 has priority
0 = Playfield 1 has priority
Bits 0-5 Playfield sprite priority
Bits 7-15 not used
DDFSTRT - Data-fetch Start
(Beginning position for data fetch)
Bits 15-8 - not used
Bits 7-2 - pixel position H8-H3
Bits 1-0 only respected in HiRes Mode.
Bits 1-0 - not used
DDFSTOP - Data-fetch Stop
(Ending position for data fetch)
Bits 15-8 - not used
Bits 7-2 - pixel position H8-H3
Bit H3 only respected in HiRes Mode.
Bits 1-0 - not used
BPLxPTH - Bit-plane Pointer
(Bit-plane pointer high word, where x is the bit-plane number)
BPLxPTL - Bit-plane Pointer
(Bit-plane pointer low word, where x is the bit-plane number)
DIWSTRT - Display Window Start
(Starting vertical and horizontal coordinates)
Bits 15-8 - VSTART (V7-V0)
Bits 7-0 - HSTART (H7-H0)
- 86 Playfield Hardware -