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SWACNT

SWACNT (Data Direction Register for Port A)

Name
D7
D6
D5
D4
D3
D2
D1
D0
$281SWACNT
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0


This controls the data direction of each of the 8 pins on Port A (SWCHA)).
Port A is typically used to interface to various hand-held controllers, typically joysticks and paddles.

Set the direction for each pin (PB7-PB0) individually as 0 for input, 1 for output.

IO Ports
SWCHA