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/*
Copyright 2013 Michael Pavone
This file is part of BlastEm.
BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
*/
#ifndef IO_H_
#define IO_H_
#include <stdint.h>
#include "tern.h"
#include "romdb.h"
enum {
IO_GAMEPAD2,
IO_GAMEPAD3,
IO_GAMEPAD6,
IO_MOUSE,
IO_SATURN_KEYBOARD,
IO_MENACER,
IO_JUSTIFIER,
IO_SEGA_MULTI,
IO_EA_MULTI_A,
IO_EA_MULTI_B,
IO_SEGA_PARALLEL,
IO_GENERIC,
IO_NONE
};
typedef struct {
union {
struct {
uint32_t timeout_cycle;
uint16_t th_counter;
uint16_t gamepad_num;
} pad;
struct {
int data_fd;
int listen_fd;
} stream;
struct {
uint32_t ready_cycle;
uint16_t last_read_x;
uint16_t last_read_y;
uint16_t cur_x;
uint16_t cur_y;
uint16_t latched_x;
uint16_t latched_y;
uint8_t tr_counter;
uint8_t mouse_num;
} mouse;
struct {
uint16_t events[8];
uint8_t read_pos;
uint8_t write_pos;
uint8_t tr_counter;
} keyboard;
} device;
uint8_t output;
uint8_t control;
uint8_t input[3];
uint8_t device_type;
} io_port;
typedef struct {
io_port ports[3];
uint8_t mouse_mode;
uint8_t mouse_captured;
} sega_io;
#define GAMEPAD_TH0 0
#define GAMEPAD_TH1 1
#define GAMEPAD_EXTRA 2
#define GAMEPAD_NONE 0xF
#define IO_TH0 0
#define IO_TH1 1
#define IO_STATE 2
enum {
IO_WRITE_PENDING,
IO_WRITTEN,
IO_READ_PENDING,
IO_READ
};
typedef struct genesis_context genesis_context;
void set_keybindings(sega_io *io);
void map_all_bindings(sega_io *io);
void setup_io_devices(tern_node * config, rom_info *rom, sega_io *io);
void io_adjust_cycles(io_port * pad, uint32_t current_cycle, uint32_t deduction);
void io_data_write(io_port * pad, uint8_t value, uint32_t current_cycle);
uint8_t io_data_read(io_port * pad, uint32_t current_cycle);
void handle_keydown(int keycode, uint8_t scancode);
void handle_keyup(int keycode, uint8_t scancode);
void handle_joydown(int joystick, int button);
void handle_joyup(int joystick, int button);
void handle_joy_dpad(int joystick, int dpad, uint8_t state);
void handle_joy_axis(int joystick, int axis, int16_t value);
void handle_joy_added(int joystick);
void handle_mouse_moved(int mouse, uint16_t x, uint16_t y, int16_t deltax, int16_t deltay);
void handle_mousedown(int mouse, int button);
void handle_mouseup(int mouse, int button);
#endif //IO_H_
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