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annotate io.h @ 421:d0cacb4ade0b

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Move IO code to a separate file and do a tiny bit of refactoring
author Mike Pavone <pavone@retrodev.com>
date Tue, 25 Jun 2013 19:20:39 -0700
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children 140af5509ce7
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421
d0cacb4ade0b Move IO code to a separate file and do a tiny bit of refactoring
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1 #ifndef IO_H_
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2 #define IO_H_
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3 #include <stdint.h>
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4
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5 typedef struct {
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6 uint32_t th_counter;
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7 uint32_t timeout_cycle;
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8 uint8_t output;
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9 uint8_t control;
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10 uint8_t input[3];
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11 } io_port;
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12
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13 #define GAMEPAD_TH0 0
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14 #define GAMEPAD_TH1 1
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15 #define GAMEPAD_EXTRA 2
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16 #define GAMEPAD_NONE 0xF
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17
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18 void set_keybindings();
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19 void io_adjust_cycles(io_port * pad, uint32_t current_cycle, uint32_t deduction);
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20 void io_data_write(io_port * pad, uint8_t value, uint32_t current_cycle);
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21 uint8_t io_data_read(io_port * pad, uint32_t current_cycle);
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22 void handle_keydown(int keycode);
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23 void handle_keyup(int keycode);
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24 void handle_joydown(int joystick, int button);
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25 void handle_joyup(int joystick, int button);
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26 void handle_joy_dpad(int joystick, int dpad, uint8_t state);
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27
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28 #endif //IO_H_
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