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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2006 The ScummVM project
* Copyright (C) 2005-2006 John Willis (Portions of the GP2X Backend)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
/*
* GP2X: Hardware Stuff.
*
*/
#ifndef GP2X_HW_H
#define GP2X_HW_H
//GP2X Main Joystick Mappings
//TODO: Use these more standard mappings over the custom ones.
#define GP2X_BUTTON_UP (0)
#define GP2X_BUTTON_UPLEFT (1)
#define GP2X_BUTTON_LEFT (2)
#define GP2X_BUTTON_DOWNLEFT (3)
#define GP2X_BUTTON_DOWN (4)
#define GP2X_BUTTON_DOWNRIGHT (5)
#define GP2X_BUTTON_RIGHT (6)
#define GP2X_BUTTON_UPRIGHT (7)
#define GP2X_BUTTON_START (8)
#define GP2X_BUTTON_SELECT (9)
#define GP2X_BUTTON_L (10)
#define GP2X_BUTTON_R (11)
#define GP2X_BUTTON_A (12)
#define GP2X_BUTTON_B (13)
#define GP2X_BUTTON_X (14)
#define GP2X_BUTTON_Y (15)
#define GP2X_BUTTON_VOLUP (16)
#define GP2X_BUTTON_VOLDOWN (17)
#define GP2X_BUTTON_CLICK (18)
#define GP2X_MAXVOL 100 // Highest level permitted by GP2X's mixer
#define SYS_CLK_FREQ 7372800 // Clock Frequency
extern void GP2X_device_init();
extern void GP2X_device_deinit();
extern void GP2X_mixer_set_volume(int, int);
extern int GP2X_mixer_get_volume();
extern void GP2X_mixer_move_volume(int);
extern void GP2X_setCpuspeed(unsigned int cpuspeed);
extern void save_system_regs(void); /* save some registers */
extern void set_display_clock_div(unsigned div);
extern void set_FCLK(unsigned MHZ); /* adjust the clock frequency (in Mhz units) */
extern void set_920_Div(unsigned short div); /* 0 to 7 divider (freq=FCLK/(1+div)) */
extern void set_DCLK_Div(unsigned short div); /* 0 to 7 divider (freq=FCLK/(1+div)) */
extern void Disable_940(void); /* 940t down */
extern void gp2x_video_wait_vsync(void);
#endif //GP2X_HW_H
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