1/*
  2 Copyright 2013 Michael Pavone
  3 This file is part of BlastEm.
  4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
  5*/
  6#ifndef IO_H_
  7#define IO_H_
  8#include <stdint.h>
  9#include "tern.h"
 10#include "romdb.h"
 11#include "serialize.h"
 12
 13enum {
 14	IO_NONE,
 15	IO_GAMEPAD2,
 16	IO_GAMEPAD3,
 17	IO_GAMEPAD6,
 18	IO_MOUSE,
 19	IO_SATURN_KEYBOARD,
 20	IO_XBAND_KEYBOARD,
 21	IO_MENACER,
 22	IO_JUSTIFIER,
 23	IO_SEGA_MULTI,
 24	IO_EA_MULTI_A,
 25	IO_EA_MULTI_B,
 26	IO_SEGA_PARALLEL,
 27	IO_GENERIC
 28};
 29
 30typedef struct {
 31	union {
 32		struct {
 33			uint32_t timeout_cycle;
 34			uint16_t th_counter;
 35			uint16_t gamepad_num;
 36		} pad;
 37		struct {
 38			int data_fd;
 39			int listen_fd;
 40		} stream;
 41		struct {
 42			uint32_t ready_cycle;
 43			uint16_t last_read_x;
 44			uint16_t last_read_y;
 45			uint16_t cur_x;
 46			uint16_t cur_y;
 47			uint16_t latched_x;
 48			uint16_t latched_y;
 49			uint8_t  tr_counter;
 50			uint8_t  mouse_num;
 51		} mouse;
 52		struct {
 53			uint16_t events[8];
 54			uint8_t  read_pos;
 55			uint8_t  write_pos;
 56			uint8_t  tr_counter;
 57			uint8_t  mode;
 58			uint8_t  cmd;
 59		} keyboard;
 60	} device;
 61	uint8_t  output;
 62	uint8_t  control;
 63	uint8_t  input[3];
 64	uint32_t slow_rise_start[8];
 65	uint8_t  serial_out;
 66	uint8_t  serial_in;
 67	uint8_t  serial_ctrl;
 68	uint8_t  device_type;
 69} io_port;
 70
 71typedef struct {
 72	io_port	ports[3];
 73} sega_io;
 74
 75//pseudo gamepad for buttons on main console unit
 76#define GAMEPAD_MAIN_UNIT 255
 77
 78enum {
 79	BUTTON_INVALID,
 80	DPAD_UP,
 81	DPAD_DOWN,
 82	DPAD_LEFT,
 83	DPAD_RIGHT,
 84	BUTTON_A,
 85	BUTTON_B,
 86	BUTTON_C,
 87	BUTTON_START,
 88	BUTTON_X,
 89	BUTTON_Y,
 90	BUTTON_Z,
 91	BUTTON_MODE,
 92	NUM_GAMEPAD_BUTTONS
 93};
 94
 95enum {
 96	MAIN_UNIT_PAUSE
 97};
 98
 99enum {
100	MOUSE_LEFT = 1,
101	MOUSE_RIGHT = 2,
102	MOUSE_MIDDLE = 4,
103	MOUSE_START = 8,
104	PSEUDO_BUTTON_MOTION=0xFF
105};
106
107void setup_io_devices(tern_node * config, rom_info *rom, sega_io *io);
108void io_adjust_cycles(io_port * pad, uint32_t current_cycle, uint32_t deduction);
109void io_control_write(io_port *port, uint8_t value, uint32_t current_cycle);
110void io_data_write(io_port * pad, uint8_t value, uint32_t current_cycle);
111uint8_t io_data_read(io_port * pad, uint32_t current_cycle);
112void io_serialize(io_port *port, serialize_buffer *buf);
113void io_deserialize(deserialize_buffer *buf, void *vport);
114
115void io_port_gamepad_down(io_port *port, uint8_t button);
116void io_port_gamepad_up(io_port *port, uint8_t button);
117void io_gamepad_down(sega_io *io, uint8_t gamepad_num, uint8_t button);
118void io_gamepad_up(sega_io *io, uint8_t gamepad_num, uint8_t button);
119void io_mouse_down(sega_io *io, uint8_t mouse_num, uint8_t button);
120void io_mouse_up(sega_io *io, uint8_t mouse_num, uint8_t button);
121void io_mouse_motion_absolute(sega_io *io, uint8_t mouse_num, uint16_t x, uint16_t y);
122void io_mouse_motion_relative(sega_io *io, uint8_t mouse_num, int32_t x, int32_t y);
123void io_keyboard_down(sega_io *io, uint8_t scancode);
124void io_keyboard_up(sega_io *io, uint8_t scancode);
125uint8_t io_has_keyboard(sega_io *io);
126
127extern const char * device_type_names[];
128
129#endif //IO_H_
130