Offset: $104 Access: write Chipset: OCS/ECS/AGA
Sets playfield/sprite priorities and extended colour controls.
Bitfields¶
Bits 2-0: PF1 priority relative to sprite pairs.
Bits 5-3: PF2 priority relative to sprite pairs.
Bit 6: PF2PRI, place playfield 2 above playfield 1.
Bit 7: SOGEN, genlock control.
Bit 8: RDRAM, AGA palette readback.
Bit 9: KILLEHB, disable extra-half-brite decoding.
Bit 10: ZDCTEN, genlock colour-transparency enable.
Bit 11: ZDBPEN, genlock bitplane-transparency enable.
Bits 14-12: ZDBPSEL, genlock bitplane selection.
Extended controls depend on the fitted Denise/Lisa revision; bit 15 is unused.