22 lines
484 B
C
22 lines
484 B
C
#pragma once
|
|
#include "emul.h"
|
|
|
|
// Each port is a bitmask of each pin's status. 1 means high.
|
|
// From Bit 0 to 6: up, down, left, right, TL, TR, TH
|
|
|
|
typedef struct {
|
|
uint8_t ctl;
|
|
Tristate TRA;
|
|
Tristate THA;
|
|
Tristate TRB;
|
|
Tristate THB;
|
|
IORD portA_rd;
|
|
IORD portB_rd;
|
|
} Ports;
|
|
|
|
void ports_init(Ports *ports);
|
|
uint8_t ports_ctl_rd(Ports *ports);
|
|
void ports_ctl_wr(Ports *ports, uint8_t val);
|
|
uint8_t ports_A_rd(Ports *ports);
|
|
uint8_t ports_B_rd(Ports *ports);
|