Offset: $100 Access: write Chipset: OCS/ECS/AGA
Selects resolution, bitplane count, HAM, dual playfields, and beam controls.
Bitfields¶
Bit 15: HIRES.
Bits 14-12: BPU2-0, bitplane count; AGA adds BPU3 at bit 4.
Bit 11: HAM.
Bit 10: DPF, dual playfields.
Bit 9: COLOR, colour output enable.
Bit 8: GAUD, genlock audio control.
Bit 7: UHRES (not emulated).
Bit 6: SHRES (ECS/AGA).
Bit 5: BYPASS (AGA).
Bit 3: LPEN, light-pen latch enable.
Bit 2: LACE, interlace.
Bit 1: ERSY, external resynchronization.
Bit 0: ECSENA, enable extended Denise controls.