Offset: $00A Access: read Chipset: OCS/ECS/AGA
Reads controller port 1’s quadrature counters or digital joystick directions.
Bitfields¶
Bits 15-8: Y counter.
Bits 7-0: X counter.
Joystick direction switches feed the quadrature inputs. Fire buttons are read through CIA-A and POTGOR, not this word.