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annotate io.h @ 1026:7267bc1ab547

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Fix bug in 68K movep.l when the destination is a register mapped to a host register
author Michael Pavone <pavone@retrodev.com>
date Tue, 10 May 2016 08:59:17 -0700
parents e28f365605da
children 56b1748a8473
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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
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12 enum {
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13 IO_GAMEPAD3,
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14 IO_GAMEPAD6,
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15 IO_MOUSE,
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16 IO_SATURN_KEYBOARD,
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17 IO_MENACER,
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18 IO_JUSTIFIER,
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19 IO_SEGA_MULTI,
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20 IO_EA_MULTI_A,
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21 IO_EA_MULTI_B,
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22 IO_SEGA_PARALLEL,
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23 IO_GENERIC,
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24 IO_NONE
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25 };
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26
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27 typedef struct {
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28 union {
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29 struct {
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30 uint32_t timeout_cycle;
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31 uint16_t th_counter;
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32 uint16_t gamepad_num;
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33 } pad;
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34 struct {
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35 int data_fd;
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36 int listen_fd;
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37 } stream;
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38 struct {
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39 uint32_t ready_cycle;
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40 uint16_t last_read_x;
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41 uint16_t last_read_y;
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42 uint16_t cur_x;
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43 uint16_t cur_y;
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44 uint16_t latched_x;
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45 uint16_t latched_y;
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46 uint8_t tr_counter;
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47 uint8_t mouse_num;
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48 } mouse;
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49 struct {
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50 uint16_t events[8];
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51 uint8_t read_pos;
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52 uint8_t write_pos;
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53 } keyboard;
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54 } device;
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55 uint8_t output;
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56 uint8_t control;
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57 uint8_t input[3];
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58 uint8_t device_type;
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59 } io_port;
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60
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61 #define GAMEPAD_TH0 0
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62 #define GAMEPAD_TH1 1
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63 #define GAMEPAD_EXTRA 2
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64 #define GAMEPAD_NONE 0xF
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65
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66 #define IO_TH0 0
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67 #define IO_TH1 1
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68 #define IO_STATE 2
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69
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70 enum {
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71 IO_WRITE_PENDING,
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72 IO_WRITTEN,
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73 IO_READ_PENDING,
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74 IO_READ
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75 };
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76
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77 typedef struct genesis_context genesis_context;
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78
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79 void set_keybindings(io_port *ports);
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80 void map_all_bindings(io_port *ports);
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81 void setup_io_devices(tern_node * config, rom_info *rom, genesis_context * gen);
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82 void io_adjust_cycles(io_port * pad, uint32_t current_cycle, uint32_t deduction);
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83 void io_data_write(io_port * pad, uint8_t value, uint32_t current_cycle);
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84 uint8_t io_data_read(io_port * pad, uint32_t current_cycle);
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85 void handle_keydown(int keycode, char scancode);
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86 void handle_keyup(int keycode, char scancode);
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87 void handle_joydown(int joystick, int button);
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88 void handle_joyup(int joystick, int button);
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89 void handle_joy_dpad(int joystick, int dpad, uint8_t state);
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90 void handle_mouse_moved(int mouse, uint16_t x, uint16_t y, int16_t deltax, int16_t deltay);
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91 void handle_mousedown(int mouse, int button);
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92 void handle_mouseup(int mouse, int button);
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93
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94 #endif //IO_H_
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95