82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
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/******************************************************************************/
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/* Mednafen Sega Saturn Emulation Module */
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/******************************************************************************/
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/* gamepad.cpp - Digital Gamepad Emulation
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** Copyright (C) 2015-2017 Mednafen Team
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**
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** This program is free software; you can redistribute it and/or
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** modify it under the terms of the GNU General Public License
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** as published by the Free Software Foundation; either version 2
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** of the License, or (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software Foundation, Inc.,
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** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "common.h"
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#include "gamepad.h"
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namespace MDFN_IEN_SS
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{
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IODevice_Gamepad::IODevice_Gamepad() : buttons(~3)
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{
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}
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IODevice_Gamepad::~IODevice_Gamepad()
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{
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}
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void IODevice_Gamepad::Power(void)
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{
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}
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void IODevice_Gamepad::UpdateInput(const uint8* data, const int32 time_elapsed)
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{
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buttons = (~(data[0] | (data[1] << 8))) &~ 0x3000;
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}
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uint8 IODevice_Gamepad::UpdateBus(const uint8 smpc_out, const uint8 smpc_out_asserted)
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{
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uint8 tmp;
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tmp = (buttons >> ((smpc_out >> 5) << 2)) & 0xF;
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return 0x10 | (smpc_out & (smpc_out_asserted | 0xE0)) | (tmp &~ smpc_out_asserted);
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}
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IDIISG IODevice_Gamepad_IDII =
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{
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{ "z", "Z", 10, IDIT_BUTTON },
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{ "y", "Y", 9, IDIT_BUTTON },
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{ "x", "X", 8, IDIT_BUTTON },
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{ "rs", "Right Shoulder", 12, IDIT_BUTTON },
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{ "up", "UP ↑", 0, IDIT_BUTTON, "down" },
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{ "down", "DOWN ↓", 1, IDIT_BUTTON, "up" },
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{ "left", "LEFT ←", 2, IDIT_BUTTON, "right" },
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{ "right", "RIGHT →", 3, IDIT_BUTTON, "left" },
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{ "b", "B", 6, IDIT_BUTTON },
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{ "c", "C", 7, IDIT_BUTTON },
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{ "a", "A", 5, IDIT_BUTTON },
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{ "start", "START", 4, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ NULL, "empty", 0, IDIT_BUTTON },
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{ "ls", "Left Shoulder", 11, IDIT_BUTTON },
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};
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}
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