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Kinda hacky fix to make sure Nuklear has the right GL context
author Michael Pavone <pavone@retrodev.com>
date Wed, 17 Apr 2024 22:18:45 -0700
parents 1978bd770023
children
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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_NONE,
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15 IO_GAMEPAD2,
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16 IO_GAMEPAD3,
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17 IO_GAMEPAD6,
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18 IO_MOUSE,
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19 IO_SATURN_KEYBOARD,
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20 IO_XBAND_KEYBOARD,
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21 IO_MENACER,
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22 IO_JUSTIFIER,
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23 IO_SEGA_MULTI,
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24 IO_EA_MULTI_A,
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25 IO_EA_MULTI_B,
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26 IO_SEGA_PARALLEL,
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27 IO_GENERIC,
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28 IO_GENERIC_SERIAL,
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29 IO_HEARTBEAT_TRAINER
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30 };
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31
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32 typedef struct io_port io_port;
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33 struct io_port {
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34 union {
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35 struct {
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36 uint32_t timeout_cycle;
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37 uint16_t th_counter;
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38 uint16_t gamepad_num;
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39 } pad;
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40 struct {
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41 int data_fd;
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42 int listen_fd;
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43 } stream;
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44 struct {
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45 uint32_t ready_cycle;
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46 uint16_t last_read_x;
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47 uint16_t last_read_y;
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48 uint16_t cur_x;
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49 uint16_t cur_y;
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50 uint16_t latched_x;
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51 uint16_t latched_y;
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52 uint8_t tr_counter;
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53 uint8_t mouse_num;
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54 } mouse;
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55 struct {
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56 uint16_t events[8];
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57 uint8_t read_pos;
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58 uint8_t write_pos;
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59 uint8_t tr_counter;
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60 uint8_t mode;
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61 uint8_t cmd;
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62 } keyboard;
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63 struct {
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64 uint8_t *nv_memory;
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65 uint8_t *cur_buffer;
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66 uint64_t rtc_base_timestamp;
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67 uint8_t rtc_base[5];
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68 uint8_t bpm;
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69 uint8_t cadence;
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70 uint8_t buttons;
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71 uint8_t nv_page_size;
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72 uint8_t nv_pages;
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73 uint8_t param;
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74 uint8_t state;
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75 uint8_t status;
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76 uint8_t device_num;
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77 uint8_t cmd;
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78 uint8_t remaining_bytes;
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79 } heartbeat_trainer;
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80 struct {
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81 io_port *ports;
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82 uint32_t ready_cycle;
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83 uint8_t tr_counter;
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84 uint8_t tap_num;
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85 uint8_t device_ids[4];
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86 uint8_t data[4];
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87 uint8_t cur_port;
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88 uint8_t port_start;
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89 uint8_t reset_state;
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90 } multitap;
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91 } device;
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92 uint8_t output;
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93 uint8_t control;
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94 uint8_t input[3];
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95 uint32_t slow_rise_start[8];
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96 uint32_t serial_cycle;
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97 uint32_t serial_divider;
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98 uint32_t last_poll_cycle;
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99 uint32_t transmit_end;
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100 uint32_t receive_end;
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101 uint8_t serial_out;
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102 uint8_t serial_transmitting;
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103 uint8_t serial_in;
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104 uint8_t serial_receiving;
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105 uint8_t serial_ctrl;
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106 uint8_t device_type;
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107 };
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108
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109 typedef struct {
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110 io_port ports[3];
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111 } sega_io;
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112
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113 //pseudo gamepad for buttons on main console unit
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114 #define GAMEPAD_MAIN_UNIT 255
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115
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116 enum {
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117 BUTTON_INVALID,
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118 DPAD_UP,
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119 DPAD_DOWN,
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120 DPAD_LEFT,
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121 DPAD_RIGHT,
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122 BUTTON_A,
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123 BUTTON_B,
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124 BUTTON_C,
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125 BUTTON_START,
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126 BUTTON_X,
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127 BUTTON_Y,
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128 BUTTON_Z,
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129 BUTTON_MODE,
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130 NUM_GAMEPAD_BUTTONS
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131 };
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132
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133 enum {
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134 MAIN_UNIT_PAUSE
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135 };
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136
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137 enum {
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138 MOUSE_LEFT = 1,
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139 MOUSE_RIGHT = 2,
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140 MOUSE_MIDDLE = 4,
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141 MOUSE_START = 8,
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142 PSEUDO_BUTTON_MOTION=0xFF
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143 };
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144
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145 void setup_io_devices(tern_node * config, rom_info *rom, sega_io *io);
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146 void io_adjust_cycles(io_port * pad, uint32_t current_cycle, uint32_t deduction);
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147 void io_run(io_port *port, uint32_t current_cycle);
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148 void io_control_write(io_port *port, uint8_t value, uint32_t current_cycle);
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149 void io_data_write(io_port * pad, uint8_t value, uint32_t current_cycle);
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150 void io_tx_write(io_port *port, uint8_t value, uint32_t current_cycle);
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151 void io_sctrl_write(io_port *port, uint8_t value, uint32_t current_cycle);
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152 uint8_t io_data_read(io_port * pad, uint32_t current_cycle);
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153 uint8_t io_rx_read(io_port * port, uint32_t current_cycle);
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154 uint8_t io_sctrl_read(io_port *port, uint32_t current_cycle);
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155 uint32_t io_next_interrupt(io_port *port, uint32_t current_cycle);
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156 void io_serialize(io_port *port, serialize_buffer *buf);
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157 void io_deserialize(deserialize_buffer *buf, void *vport);
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158
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159 void io_port_gamepad_down(io_port *port, uint8_t button);
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160 void io_port_gamepad_up(io_port *port, uint8_t button);
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161 void io_gamepad_down(sega_io *io, uint8_t gamepad_num, uint8_t button);
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162 void io_gamepad_up(sega_io *io, uint8_t gamepad_num, uint8_t button);
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163 void io_mouse_down(sega_io *io, uint8_t mouse_num, uint8_t button);
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164 void io_mouse_up(sega_io *io, uint8_t mouse_num, uint8_t button);
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165 void io_mouse_motion_absolute(sega_io *io, uint8_t mouse_num, uint16_t x, uint16_t y);
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166 void io_mouse_motion_relative(sega_io *io, uint8_t mouse_num, int32_t x, int32_t y);
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167 void io_keyboard_down(sega_io *io, uint8_t scancode);
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168 void io_keyboard_up(sega_io *io, uint8_t scancode);
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169 uint8_t io_has_keyboard(sega_io *io);
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170 io_port *find_gamepad(sega_io *io, uint8_t gamepad_num);
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171
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172 extern const char * device_type_names[];
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173
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174 #endif //IO_H_
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175