mirror of
https://github.com/KarolS/millfork.git
synced 2024-08-16 20:28:54 +00:00
18 lines
332 B
Plaintext
18 lines
332 B
Plaintext
|
// Atari 8-bit PIA hardware
|
||
|
|
||
|
#if not(ATARI_8)
|
||
|
#warn a8_pia module should be used only on Atari computer-compatible targets
|
||
|
#endif
|
||
|
|
||
|
// port A data r/w
|
||
|
volatile byte pia_porta @$D300
|
||
|
|
||
|
// port B data r/w
|
||
|
volatile byte pia_portb @$D301
|
||
|
|
||
|
// port A control
|
||
|
volatile byte pia_pactl @$D302
|
||
|
|
||
|
// port B control
|
||
|
volatile byte pia_pbctl @$D303
|