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annotate io.h @ 1554:87350caf6dab

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author Michael Pavone <pavone@retrodev.com>
date Thu, 29 Mar 2018 00:40:41 -0700
parents 5b1157eb189d
children 2b132d894d76
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1 /*
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2 Copyright 2013 Michael Pavone
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3 This file is part of BlastEm.
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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.
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5 */
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6 #ifndef IO_H_
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7 #define IO_H_
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8 #include <stdint.h>
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9 #include "tern.h"
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10 #include "romdb.h"
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11 #include "serialize.h"
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12
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13 enum {
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14 IO_GAMEPAD2,
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15 IO_GAMEPAD3,
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16 IO_GAMEPAD6,
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17 IO_MOUSE,
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18 IO_SATURN_KEYBOARD,
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19 IO_XBAND_KEYBOARD,
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20 IO_MENACER,
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21 IO_JUSTIFIER,
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22 IO_SEGA_MULTI,
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23 IO_EA_MULTI_A,
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24 IO_EA_MULTI_B,
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25 IO_SEGA_PARALLEL,
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26 IO_GENERIC,
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27 IO_NONE
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28 };
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29
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30 typedef struct {
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31 union {
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32 struct {
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33 uint32_t timeout_cycle;
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34 uint16_t th_counter;
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35 uint16_t gamepad_num;
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36 } pad;
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37 struct {
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38 int data_fd;
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39 int listen_fd;
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40 } stream;
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41 struct {
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42 uint32_t ready_cycle;
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43 uint16_t last_read_x;
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44 uint16_t last_read_y;
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45 uint16_t cur_x;
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46 uint16_t cur_y;
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47 uint16_t latched_x;
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48 uint16_t latched_y;
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49 uint8_t tr_counter;
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50 uint8_t mouse_num;
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51 } mouse;
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52 struct {
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53 uint16_t events[8];
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54 uint8_t read_pos;
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55 uint8_t write_pos;
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56 uint8_t tr_counter;
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57 uint8_t mode;
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58 uint8_t cmd;
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59 } keyboard;
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60 } device;
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61 uint8_t output;
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62 uint8_t control;
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63 uint8_t input[3];
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64 uint32_t slow_rise_start[8];
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65 uint8_t serial_out;
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66 uint8_t serial_in;
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67 uint8_t serial_ctrl;
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68 uint8_t device_type;
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69 } io_port;
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70
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71 typedef struct {
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72 io_port ports[3];
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73 uint8_t mouse_mode;
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74 uint8_t mouse_captured;
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75 uint8_t keyboard_captured;
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76 } sega_io;
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77
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78 #define GAMEPAD_TH0 0
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79 #define GAMEPAD_TH1 1
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80 #define GAMEPAD_EXTRA 2
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81 #define GAMEPAD_NONE 0xF
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82
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83 #define IO_TH0 0
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84 #define IO_TH1 1
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85 #define IO_STATE 2
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86
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87 enum {
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88 IO_WRITE_PENDING,
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89 IO_WRITTEN,
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90 IO_READ_PENDING,
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91 IO_READ
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92 };
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93
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94 void set_keybindings(sega_io *io);
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95 void map_all_bindings(sega_io *io);
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96 void setup_io_devices(tern_node * config, rom_info *rom, sega_io *io);
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97 void io_adjust_cycles(io_port * pad, uint32_t current_cycle, uint32_t deduction);
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98 void io_control_write(io_port *port, uint8_t value, uint32_t current_cycle);
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99 void io_data_write(io_port * pad, uint8_t value, uint32_t current_cycle);
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100 uint8_t io_data_read(io_port * pad, uint32_t current_cycle);
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101 void handle_keydown(int keycode, uint8_t scancode);
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102 void handle_keyup(int keycode, uint8_t scancode);
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103 void handle_joydown(int joystick, int button);
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104 void handle_joyup(int joystick, int button);
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105 void handle_joy_dpad(int joystick, int dpad, uint8_t state);
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106 void handle_joy_axis(int joystick, int axis, int16_t value);
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107 void handle_joy_added(int joystick);
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108 void handle_mouse_moved(int mouse, uint16_t x, uint16_t y, int16_t deltax, int16_t deltay);
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109 void handle_mousedown(int mouse, int button);
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110 void handle_mouseup(int mouse, int button);
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111 void io_serialize(io_port *port, serialize_buffer *buf);
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112 void io_deserialize(deserialize_buffer *buf, void *vport);
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113
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114 extern const char * device_type_names[];
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115
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116 #endif //IO_H_
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117