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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2006 The ScummVM project
* Copyright (C) 2002-2006 Chris Apers - PalmOS 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.
*
* $URL$
* $Id$
*
*/
#ifndef BE_OS5_H
#define BE_OS5_H
#include "be_base.h"
#if !defined(SYSTEM_CALLBACK) || defined(PALMOS_68K)
# define SYSTEM_CALLBACK
# ifdef PALMOS_ARM
# define CALLBACK_PROLOGUE \
__asm { \
stmfd r13!,{r9,r10}; \
ldr r9,[r0]; \
ldr r10,[r0,#4]; \
}
# define CALLBACK_EPILOGUE __asm { ldmfd r13!,{r9,r10} }
# define CALLBACK_INIT(regs) \
__asm { \
ldr r0, = regs; \
add r0,r0,r10; \
str r9,[r0]; \
str r10,[r0,#4]; \
}
# else
# define CALLBACK_PROLOGUE \
asm ( \
movem.l a4-a5, -(sp); \
move.l UserDataP, a0; \
move.l 0(a0), a4; \
move.l 4(a0), a5; \
);
# define CALLBACK_EPILOGUE asm ( movem.l (sp)+, a4-a5 );
# define CALLBACK_INIT(regs) \
{ \
void *ptr = ®s; \
asm ( \
move.l ptr, a0; \
move.l a4, 0(a0); \
move.l a5, 4(a0); \
); \
}
# endif
#else
# define CALLBACK_PROLOGUE
# define CALLBACK_EPILOGUE
# define CALLBACK_INIT(regs)
#endif
// TODO : change / remove this
#define gfxMakeDisplayRGB_BigEndian(_r,_g,_b) \
( (((_g) & 0xFC) << 11) | (((_b) & 0xF8) << 5) | ((_r) & 0xF8) | (((_g) & 0xFF) >> 5) )
#define gfxMakeDisplayRGB_LittleEndian(_r,_g,_b) \
( (((_r) & 0xF8) << 8) | (((_g) & 0xFC) << 3) | (((_b) & 0xF8) >> 3) )
#if CPU_TYPE == CPU_68K
#define gfxMakeDisplayRGB(_r,_g,_b) gfxMakeDisplayRGB_BigEndian(_r,_g,_b)
#else
#define gfxMakeDisplayRGB(_r,_g,_b) gfxMakeDisplayRGB_LittleEndian(_r,_g,_b)
#endif
typedef struct {
// for real thread version only
UInt32 __reg1;
UInt32 __reg2;
// no real thread version
Boolean set;
UInt32 size;
void *dataP;
// default sound stuff
SndStreamRef handle;
SoundPtr sound;
} SoundExType, *SoundExPtr;
extern SoundExType _soundEx;
class OSystem_PalmOS5 : public OSystem_PalmBase {
private:
typedef void (OSystem_PalmOS5::*RendererProc)(RectangleType &r, PointType &p);
RendererProc _render;
OverlayColor *_overlayP;
WinHandle _overlayH, _workScreenH;
int16 _nativePal[256];
int16 *_workScreenP;
Boolean _isSwitchable, _wasRotated;
virtual void int_initBackend();
virtual void int_updateScreen();
virtual void int_initSize(uint w, uint h);
virtual void unload_gfx_mode();
virtual void load_gfx_mode();
virtual void hotswap_gfx_mode(int mode);
void draw_mouse();
void undraw_mouse();
virtual void get_coordinates(EventPtr ev, Coord &x, Coord &y);
virtual bool check_event(Event &event, EventPtr ev);
virtual void extras_palette(uint8 index, uint8 r, uint8 g, uint8 b);
void render_landscape(RectangleType &r, PointType &p);
void render_portrait(RectangleType &r, PointType &p);
void render_1x(RectangleType &r, PointType &p);
WinHandle alloc_screen(Coord w, Coord h);
virtual void draw_osd(UInt16 id, Int32 x, Int32 y, Boolean show, UInt8 color = 0);
virtual SndStreamVariableBufferCallback sound_callback();
virtual void sound_handler();
protected:
UInt16 _sysOldCoord, _sysOldOrientation;
Boolean _stretched;
public:
OSystem_PalmOS5();
static OSystem *create();
void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h);
void clearScreen();
void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, byte keycolor, int cursorTargetScale);
void showOverlay();
void hideOverlay();
virtual void clearOverlay();
virtual void grabOverlay(OverlayColor *buf, int pitch);
virtual void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h);
virtual OverlayColor RGBToColor(uint8 r, uint8 g, uint8 b);
virtual void colorToRGB(OverlayColor color, uint8 &r, uint8 &g, uint8 &b);
virtual bool setSoundCallback(SoundProc proc, void *param);
void clearSoundCallback();
void setWindowCaption(const char *caption);
};
#endif
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