Mercurial > repos > blastem
view io.h @ 1356:4d16c09210fd
Fix resampling code to deal with case in which output frequency is greater than the input frequency. Probably could stand to be improved, but at least it doesn't cause the emulator to deadlock
author | Michael Pavone <pavone@retrodev.com> |
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date | Thu, 11 May 2017 07:51:28 -0700 |
parents | 040c5600e2d9 |
children | 4e5797b3935a |
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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_XBAND_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; uint8_t mode; uint8_t cmd; } keyboard; } device; uint8_t output; uint8_t control; uint8_t input[3]; uint32_t slow_rise_start[8]; uint8_t serial_out; uint8_t serial_in; uint8_t serial_ctrl; uint8_t device_type; } io_port; typedef struct { io_port ports[3]; uint8_t mouse_mode; uint8_t mouse_captured; uint8_t keyboard_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_control_write(io_port *port, uint8_t value, uint32_t current_cycle); 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_