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|
/***************************************************************************
machine.h
Controls execution of the core MAME system.
****************************************************************************
Copyright Aaron Giles
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name 'MAME' nor the names of its contributors may be
used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
***************************************************************************/
#pragma once
#ifndef __EMU_H__
#error Dont include this file directly; include emu.h instead.
#endif
#ifndef __MACHINE_H__
#define __MACHINE_H__
#include <time.h>
//**************************************************************************
// CONSTANTS
//**************************************************************************
const int MAX_GFX_ELEMENTS = 32;
// machine phases
enum machine_phase
{
MACHINE_PHASE_PREINIT,
MACHINE_PHASE_INIT,
MACHINE_PHASE_RESET,
MACHINE_PHASE_RUNNING,
MACHINE_PHASE_EXIT
};
// notification callback types
enum machine_notification
{
MACHINE_NOTIFY_FRAME,
MACHINE_NOTIFY_RESET,
MACHINE_NOTIFY_PAUSE,
MACHINE_NOTIFY_RESUME,
MACHINE_NOTIFY_EXIT,
MACHINE_NOTIFY_COUNT
};
// output channels
enum output_channel
{
OUTPUT_CHANNEL_ERROR,
OUTPUT_CHANNEL_WARNING,
OUTPUT_CHANNEL_INFO,
OUTPUT_CHANNEL_DEBUG,
OUTPUT_CHANNEL_VERBOSE,
OUTPUT_CHANNEL_LOG,
OUTPUT_CHANNEL_COUNT
};
// debug flags
const int DEBUG_FLAG_ENABLED = 0x00000001; // debugging is enabled
const int DEBUG_FLAG_CALL_HOOK = 0x00000002; // CPU cores must call instruction hook
const int DEBUG_FLAG_WPR_PROGRAM = 0x00000010; // watchpoints are enabled for PROGRAM memory reads
const int DEBUG_FLAG_WPR_DATA = 0x00000020; // watchpoints are enabled for DATA memory reads
const int DEBUG_FLAG_WPR_IO = 0x00000040; // watchpoints are enabled for IO memory reads
const int DEBUG_FLAG_WPW_PROGRAM = 0x00000100; // watchpoints are enabled for PROGRAM memory writes
const int DEBUG_FLAG_WPW_DATA = 0x00000200; // watchpoints are enabled for DATA memory writes
const int DEBUG_FLAG_WPW_IO = 0x00000400; // watchpoints are enabled for IO memory writes
const int DEBUG_FLAG_OSD_ENABLED = 0x00001000; // The OSD debugger is enabled
//**************************************************************************
// MACROS
//**************************************************************************
// macros to wrap legacy callbacks
#define MACHINE_START_NAME(name) machine_start_##name
#define MACHINE_START(name) void MACHINE_START_NAME(name)(running_machine &machine)
#define MACHINE_START_CALL(name) MACHINE_START_NAME(name)(machine)
#define MACHINE_RESET_NAME(name) machine_reset_##name
#define MACHINE_RESET(name) void MACHINE_RESET_NAME(name)(running_machine &machine)
#define MACHINE_RESET_CALL(name) MACHINE_RESET_NAME(name)(machine)
#define SOUND_START_NAME(name) sound_start_##name
#define SOUND_START(name) void SOUND_START_NAME(name)(running_machine &machine)
#define SOUND_START_CALL(name) SOUND_START_NAME(name)(machine)
#define SOUND_RESET_NAME(name) sound_reset_##name
#define SOUND_RESET(name) void SOUND_RESET_NAME(name)(running_machine &machine)
#define SOUND_RESET_CALL(name) SOUND_RESET_NAME(name)(machine)
#define VIDEO_START_NAME(name) video_start_##name
#define VIDEO_START(name) void VIDEO_START_NAME(name)(running_machine &machine)
#define VIDEO_START_CALL(name) VIDEO_START_NAME(name)(machine)
#define VIDEO_RESET_NAME(name) video_reset_##name
#define VIDEO_RESET(name) void VIDEO_RESET_NAME(name)(running_machine &machine)
#define VIDEO_RESET_CALL(name) VIDEO_RESET_NAME(name)(machine)
#define PALETTE_INIT_NAME(name) palette_init_##name
#define PALETTE_INIT(name) void PALETTE_INIT_NAME(name)(running_machine &machine, const UINT8 *color_prom)
#define PALETTE_INIT_CALL(name) PALETTE_INIT_NAME(name)(machine, color_prom)
// NULL versions
#define machine_start_0 NULL
#define machine_reset_0 NULL
#define sound_start_0 NULL
#define sound_reset_0 NULL
#define video_start_0 NULL
#define video_reset_0 NULL
#define palette_init_0 NULL
// global allocation helpers
#define auto_alloc(m, t) pool_alloc(static_cast<running_machine &>(m).respool(), t)
#define auto_alloc_clear(m, t) pool_alloc_clear(static_cast<running_machine &>(m).respool(), t)
#define auto_alloc_array(m, t, c) pool_alloc_array(static_cast<running_machine &>(m).respool(), t, c)
#define auto_alloc_array_clear(m, t, c) pool_alloc_array_clear(static_cast<running_machine &>(m).respool(), t, c)
#define auto_free(m, v) pool_free(static_cast<running_machine &>(m).respool(), v)
#define auto_bitmap_alloc(m, w, h, f) auto_alloc(m, bitmap_t(w, h, f))
#define auto_strdup(m, s) strcpy(auto_alloc_array(m, char, strlen(s) + 1), s)
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// forward declarations
class gfx_element;
class colortable_t;
class cheat_manager;
class render_manager;
class sound_manager;
class video_manager;
class debug_view_manager;
class osd_interface;
typedef struct _memory_private memory_private;
typedef struct _palette_private palette_private;
typedef struct _tilemap_private tilemap_private;
typedef struct _romload_private romload_private;
typedef struct _input_private input_private;
typedef struct _input_port_private input_port_private;
typedef struct _ui_input_private ui_input_private;
typedef struct _debugcpu_private debugcpu_private;
typedef struct _generic_machine_private generic_machine_private;
typedef struct _generic_video_private generic_video_private;
typedef struct _generic_audio_private generic_audio_private;
// legacy callback functions
typedef void (*legacy_callback_func)(running_machine &machine);
typedef void (*palette_init_func)(running_machine &machine, const UINT8 *color_prom);
// ======================> memory_region
// memory region object; should eventually be renamed memory_region
class memory_region
{
DISABLE_COPYING(memory_region);
friend class running_machine;
friend class simple_list<memory_region>;
friend resource_pool_object<memory_region>::~resource_pool_object();
// construction/destruction
memory_region(running_machine &machine, const char *name, UINT32 length, UINT8 width, endianness_t endian);
~memory_region();
public:
// getters
running_machine &machine() const { return m_machine; }
memory_region *next() const { return m_next; }
UINT8 *base() const { return (this != NULL) ? m_base.u8 : NULL; }
UINT8 *end() const { return (this != NULL) ? m_base.u8 + m_length : NULL; }
UINT32 bytes() const { return (this != NULL) ? m_length : 0; }
const char *name() const { return m_name; }
// flag expansion
endianness_t endianness() const { return m_endianness; }
UINT8 width() const { return m_width; }
// data access
UINT8 &u8(offs_t offset = 0) const { return m_base.u8[offset]; }
UINT16 &u16(offs_t offset = 0) const { return m_base.u16[offset]; }
UINT32 &u32(offs_t offset = 0) const { return m_base.u32[offset]; }
UINT64 &u64(offs_t offset = 0) const { return m_base.u64[offset]; }
// allow passing a region for any common pointer
operator void *() const { return (this != NULL) ? m_base.v : NULL; }
operator INT8 *() const { return (this != NULL) ? m_base.i8 : NULL; }
operator UINT8 *() const { return (this != NULL) ? m_base.u8 : NULL; }
operator INT16 *() const { return (this != NULL) ? m_base.i16 : NULL; }
operator UINT16 *() const { return (this != NULL) ? m_base.u16 : NULL; }
operator INT32 *() const { return (this != NULL) ? m_base.i32 : NULL; }
operator UINT32 *() const { return (this != NULL) ? m_base.u32 : NULL; }
operator INT64 *() const { return (this != NULL) ? m_base.i64 : NULL; }
operator UINT64 *() const { return (this != NULL) ? m_base.u64 : NULL; }
private:
// internal data
running_machine & m_machine;
memory_region * m_next;
astring m_name;
generic_ptr m_base;
UINT32 m_length;
UINT8 m_width;
endianness_t m_endianness;
};
// ======================> generic_pointers
// holds generic pointers that are commonly used
struct generic_pointers
{
generic_ptr spriteram; // spriteram
UINT32 spriteram_size;
generic_ptr spriteram2; // secondary spriteram
UINT32 spriteram2_size;
generic_ptr buffered_spriteram; // buffered spriteram
generic_ptr buffered_spriteram2;// secondary buffered spriteram
generic_ptr paletteram; // palette RAM
generic_ptr paletteram2; // secondary palette RAM
bitmap_t * tmpbitmap; // temporary bitmap
};
// ======================> system_time
// system time description, both local and UTC
class system_time
{
public:
system_time();
void set(time_t t);
struct full_time
{
void set(struct tm &t);
UINT8 second; // seconds (0-59)
UINT8 minute; // minutes (0-59)
UINT8 hour; // hours (0-23)
UINT8 mday; // day of month (1-31)
UINT8 month; // month (0-11)
INT32 year; // year (1=1 AD)
UINT8 weekday; // day of week (0-6)
UINT16 day; // day of year (0-365)
UINT8 is_dst; // is this daylight savings?
};
INT64 time; // number of seconds elapsed since midnight, January 1 1970 UTC
full_time local_time; // local time
full_time utc_time; // UTC coordinated time
};
// ======================> running_machine
typedef delegate<void ()> machine_notify_delegate;
// description of the currently-running machine
class running_machine
{
DISABLE_COPYING(running_machine);
friend void debugger_init(running_machine &machine);
friend class sound_manager;
typedef void (*logerror_callback)(running_machine &machine, const char *string);
// must be at top of member variables
resource_pool m_respool; // pool of resources for this machine
public:
// construction/destruction
running_machine(const machine_config &config, osd_interface &osd, bool exit_to_game_select = false);
~running_machine();
// getters
const machine_config &config() const { return m_config; }
const device_list &devicelist() const { return m_config.devicelist(); }
const game_driver &system() const { return m_system; }
osd_interface &osd() const { return m_osd; }
resource_pool &respool() { return m_respool; }
device_scheduler &scheduler() { return m_scheduler; }
save_manager &save() { return m_save; }
cheat_manager &cheat() const { assert(m_cheat != NULL); return *m_cheat; }
render_manager &render() const { assert(m_render != NULL); return *m_render; }
input_manager &input() const { assert(m_input != NULL); return *m_input; }
sound_manager &sound() const { assert(m_sound != NULL); return *m_sound; }
video_manager &video() const { assert(m_video != NULL); return *m_video; }
debug_view_manager &debug_view() const { assert(m_debug_view != NULL); return *m_debug_view; }
driver_device *driver_data() const { return m_driver_device; }
template<class _DriverClass> _DriverClass *driver_data() const { return downcast<_DriverClass *>(m_driver_device); }
machine_phase phase() const { return m_current_phase; }
bool paused() const { return m_paused || (m_current_phase != MACHINE_PHASE_RUNNING); }
bool exit_pending() const { return m_exit_pending; }
bool new_driver_pending() const { return (m_new_driver_pending != NULL); }
const char *new_driver_name() const { return m_new_driver_pending->name; }
bool ui_active() const { return m_ui_active; }
const char *basename() const { return m_basename; }
int sample_rate() const { return m_sample_rate; }
bool save_or_load_pending() const { return m_saveload_pending_file; }
screen_device *first_screen() const { return primary_screen; }
// additional helpers
emu_options &options() const { return m_config.options(); }
memory_region *first_region() const { return m_regionlist.first(); }
attotime time() const { return m_scheduler.time(); }
bool scheduled_event_pending() const { return m_exit_pending || m_hard_reset_pending; }
// fetch items by name
inline device_t *device(const char *tag);
template<class _DeviceClass> inline _DeviceClass *device(const char *tag) { return downcast<_DeviceClass *>(device(tag)); }
inline const input_port_config *port(const char *tag);
inline const memory_region *region(const char *tag);
// configuration helpers
device_t &add_dynamic_device(device_t &owner, device_type type, const char *tag, UINT32 clock);
UINT32 total_colors() const { return m_config.m_total_colors; }
// immediate operations
int run(bool firstrun);
void pause();
void resume();
void add_notifier(machine_notification event, machine_notify_delegate callback);
void call_notifiers(machine_notification which);
void add_logerror_callback(logerror_callback callback);
void set_ui_active(bool active) { m_ui_active = active; }
// scheduled operations
void schedule_exit();
void schedule_hard_reset();
void schedule_soft_reset();
void schedule_new_driver(const game_driver &driver);
void schedule_save(const char *filename);
void schedule_load(const char *filename);
// date & time
void base_datetime(system_time &systime);
void current_datetime(system_time &systime);
// regions
memory_region *region_alloc(const char *name, UINT32 length, UINT8 width, endianness_t endian);
void region_free(const char *name);
// misc
void CLIB_DECL logerror(const char *format, ...);
void CLIB_DECL vlogerror(const char *format, va_list args);
UINT32 rand();
const char *describe_context();
// internals
ioport_list m_portlist; // points to a list of input port configurations
// CPU information
cpu_device * firstcpu; // first CPU (allows for quick iteration via typenext)
// video-related information
gfx_element * gfx[MAX_GFX_ELEMENTS];// array of pointers to graphic sets (chars, sprites)
screen_device * primary_screen; // the primary screen device, or NULL if screenless
palette_t * palette; // global palette object
// palette-related information
const pen_t * pens; // remapped palette pen numbers
colortable_t * colortable; // global colortable for remapping
pen_t * shadow_table; // table for looking up a shadowed pen
bitmap_t priority_bitmap; // priority bitmap
// debugger-related information
UINT32 debug_flags; // the current debug flags
// generic pointers
generic_pointers generic; // generic pointers
// internal core information
memory_private * memory_data; // internal data from memory.c
palette_private * palette_data; // internal data from palette.c
tilemap_private * tilemap_data; // internal data from tilemap.c
romload_private * romload_data; // internal data from romload.c
input_private * input_data; // internal data from input.c
input_port_private * input_port_data; // internal data from inptport.c
ui_input_private * ui_input_data; // internal data from uiinput.c
debugcpu_private * debugcpu_data; // internal data from debugcpu.c
generic_machine_private *generic_machine_data; // internal data from machine/generic.c
generic_video_private * generic_video_data; // internal data from video/generic.c
generic_audio_private * generic_audio_data; // internal data from audio/generic.c
private:
// internal helpers
void start();
void set_saveload_filename(const char *filename);
void fill_systime(system_time &systime, time_t t);
void handle_saveload();
void soft_reset(void *ptr = NULL, INT32 param = 0);
// internal callbacks
static void logfile_callback(running_machine &machine, const char *buffer);
// internal state
const machine_config & m_config; // reference to the constructed machine_config
const game_driver & m_system; // reference to the definition of the game machine
osd_interface & m_osd; // reference to OSD system
// embedded managers and objects
tagged_list<memory_region> m_regionlist; // list of memory regions
save_manager m_save; // save manager
device_scheduler m_scheduler; // scheduler object
// managers
cheat_manager * m_cheat; // internal data from cheat.c
render_manager * m_render; // internal data from render.c
input_manager * m_input; // internal data from input.c
sound_manager * m_sound; // internal data from sound.c
video_manager * m_video; // internal data from video.c
debug_view_manager * m_debug_view; // internal data from debugvw.c
// driver state
driver_device * m_driver_device; // pointer to the current driver device
// system state
machine_phase m_current_phase; // current execution phase
bool m_paused; // paused?
bool m_hard_reset_pending; // is a hard reset pending?
bool m_exit_pending; // is an exit pending?
bool m_exit_to_game_select; // when we exit, go we go back to the game select?
const game_driver * m_new_driver_pending; // pointer to the next pending driver
emu_timer * m_soft_reset_timer; // timer used to schedule a soft reset
// misc state
UINT32 m_rand_seed; // current random number seed
bool m_ui_active; // ui active or not (useful for games / systems with keyboard inputs)
time_t m_base_time; // real time at initial emulation time
astring m_basename; // basename used for game-related paths
astring m_context; // context string buffer
int m_sample_rate; // the digital audio sample rate
emu_file * m_logfile; // pointer to the active log file
// load/save management
enum saveload_schedule
{
SLS_NONE,
SLS_SAVE,
SLS_LOAD
};
saveload_schedule m_saveload_schedule;
attotime m_saveload_schedule_time;
astring m_saveload_pending_file;
const char * m_saveload_searchpath;
// notifier callbacks
struct notifier_callback_item
{
// construction/destruction
notifier_callback_item(machine_notify_delegate func);
// getters
notifier_callback_item *next() const { return m_next; }
// state
notifier_callback_item * m_next;
machine_notify_delegate m_func;
};
simple_list<notifier_callback_item> m_notifier_list[MACHINE_NOTIFY_COUNT];
// logerror callbacks
class logerror_callback_item
{
public:
// construction/destruction
logerror_callback_item(logerror_callback func);
// getters
logerror_callback_item *next() const { return m_next; }
// state
logerror_callback_item * m_next;
logerror_callback m_func;
};
simple_list<logerror_callback_item> m_logerror_list;
};
// ======================> driver_device
// base class for machine driver-specific devices
class driver_device : public device_t
{
public:
// construction/destruction
driver_device(const machine_config &mconfig, device_type type, const char *tag);
virtual ~driver_device();
// indexes into our generic callbacks
enum callback_type
{
CB_MACHINE_START,
CB_MACHINE_RESET,
CB_SOUND_START,
CB_SOUND_RESET,
CB_VIDEO_START,
CB_VIDEO_RESET,
CB_COUNT
};
// inline configuration helpers
static void static_set_game(device_t &device, const game_driver &game);
static void static_set_callback(device_t &device, callback_type type, legacy_callback_func callback);
static void static_set_palette_init(device_t &device, palette_init_func callback);
// additional video helpers
virtual bool screen_update(screen_device &screen, bitmap_t &bitmap, const rectangle &cliprect);
// generic helpers
// watchdog read/write handlers
DECLARE_WRITE8_MEMBER( watchdog_reset_w );
DECLARE_READ8_MEMBER( watchdog_reset_r );
DECLARE_WRITE16_MEMBER( watchdog_reset16_w );
DECLARE_READ16_MEMBER( watchdog_reset16_r );
DECLARE_WRITE32_MEMBER( watchdog_reset32_w );
DECLARE_READ32_MEMBER( watchdog_reset32_r );
// sound latch readers
DECLARE_READ8_MEMBER( soundlatch_r );
DECLARE_READ8_MEMBER( soundlatch2_r );
DECLARE_READ8_MEMBER( soundlatch3_r );
DECLARE_READ8_MEMBER( soundlatch4_r );
DECLARE_READ16_MEMBER( soundlatch_word_r );
DECLARE_READ16_MEMBER( soundlatch2_word_r );
DECLARE_READ16_MEMBER( soundlatch3_word_r );
DECLARE_READ16_MEMBER( soundlatch4_word_r );
// sound latch writers
DECLARE_WRITE8_MEMBER( soundlatch_w );
DECLARE_WRITE8_MEMBER( soundlatch2_w );
DECLARE_WRITE8_MEMBER( soundlatch3_w );
DECLARE_WRITE8_MEMBER( soundlatch4_w );
DECLARE_WRITE16_MEMBER( soundlatch_word_w );
DECLARE_WRITE16_MEMBER( soundlatch2_word_w );
DECLARE_WRITE16_MEMBER( soundlatch3_word_w );
DECLARE_WRITE16_MEMBER( soundlatch4_word_w );
// sound latch clearers
DECLARE_WRITE8_MEMBER( soundlatch_clear_w );
DECLARE_WRITE8_MEMBER( soundlatch2_clear_w );
DECLARE_WRITE8_MEMBER( soundlatch3_clear_w );
DECLARE_WRITE8_MEMBER( soundlatch4_clear_w );
// 3-3-2 RGB palette write handlers
DECLARE_WRITE8_MEMBER( paletteram_BBGGGRRR_w );
DECLARE_WRITE8_MEMBER( paletteram_RRRGGGBB_w );
DECLARE_WRITE8_MEMBER( paletteram_BBGGRRII_w );
DECLARE_WRITE8_MEMBER( paletteram_IIBBGGRR_w );
// 4-4-4 RGB palette write handlers
DECLARE_WRITE8_MEMBER( paletteram_xxxxBBBBGGGGRRRR_le_w );
DECLARE_WRITE8_MEMBER( paletteram_xxxxBBBBGGGGRRRR_be_w );
DECLARE_WRITE8_MEMBER( paletteram_xxxxBBBBGGGGRRRR_split1_w ); // uses paletteram
DECLARE_WRITE8_MEMBER( paletteram_xxxxBBBBGGGGRRRR_split2_w ); // uses paletteram2
DECLARE_WRITE16_MEMBER( paletteram16_xxxxBBBBGGGGRRRR_word_w );
DECLARE_WRITE8_MEMBER( paletteram_xxxxBBBBRRRRGGGG_le_w );
DECLARE_WRITE8_MEMBER( paletteram_xxxxBBBBRRRRGGGG_be_w );
DECLARE_WRITE8_MEMBER( paletteram_xxxxBBBBRRRRGGGG_split1_w ); // uses paletteram
DECLARE_WRITE8_MEMBER( paletteram_xxxxBBBBRRRRGGGG_split2_w ); // uses paletteram2
DECLARE_WRITE16_MEMBER( paletteram16_xxxxBBBBRRRRGGGG_word_w );
DECLARE_WRITE8_MEMBER( paletteram_xxxxRRRRBBBBGGGG_split1_w ); // uses paletteram
DECLARE_WRITE8_MEMBER( paletteram_xxxxRRRRBBBBGGGG_split2_w ); // uses paletteram2
DECLARE_WRITE8_MEMBER( paletteram_xxxxRRRRGGGGBBBB_le_w );
DECLARE_WRITE8_MEMBER( paletteram_xxxxRRRRGGGGBBBB_be_w );
DECLARE_WRITE8_MEMBER( paletteram_xxxxRRRRGGGGBBBB_split1_w ); // uses paletteram
DECLARE_WRITE8_MEMBER( paletteram_xxxxRRRRGGGGBBBB_split2_w ); // uses paletteram2
DECLARE_WRITE16_MEMBER( paletteram16_xxxxRRRRGGGGBBBB_word_w );
DECLARE_WRITE8_MEMBER( paletteram_RRRRGGGGBBBBxxxx_be_w );
DECLARE_WRITE8_MEMBER( paletteram_RRRRGGGGBBBBxxxx_split1_w ); // uses paletteram
DECLARE_WRITE8_MEMBER( paletteram_RRRRGGGGBBBBxxxx_split2_w ); // uses paletteram2
DECLARE_WRITE16_MEMBER( paletteram16_RRRRGGGGBBBBxxxx_word_w );
// 4-4-4-4 IRGB palette write handlers
DECLARE_WRITE16_MEMBER( paletteram16_IIIIRRRRGGGGBBBB_word_w );
DECLARE_WRITE16_MEMBER( paletteram16_RRRRGGGGBBBBIIII_word_w );
// 5-5-5 RGB palette write handlers
DECLARE_WRITE8_MEMBER( paletteram_xBBBBBGGGGGRRRRR_le_w );
DECLARE_WRITE8_MEMBER( paletteram_xBBBBBGGGGGRRRRR_be_w );
DECLARE_WRITE8_MEMBER( paletteram_xBBBBBGGGGGRRRRR_split1_w ); // uses paletteram
DECLARE_WRITE8_MEMBER( paletteram_xBBBBBGGGGGRRRRR_split2_w ); // uses paletteram2
DECLARE_WRITE16_MEMBER( paletteram16_xBBBBBGGGGGRRRRR_word_w );
DECLARE_WRITE8_MEMBER( paletteram_xBBBBBRRRRRGGGGG_split1_w ); // uses paletteram
DECLARE_WRITE8_MEMBER( paletteram_xBBBBBRRRRRGGGGG_split2_w ); // uses paletteram2
DECLARE_WRITE8_MEMBER( paletteram_xRRRRRGGGGGBBBBB_le_w );
DECLARE_WRITE8_MEMBER( paletteram_xRRRRRGGGGGBBBBB_be_w );
DECLARE_WRITE8_MEMBER( paletteram_xRRRRRGGGGGBBBBB_split1_w );
DECLARE_WRITE8_MEMBER( paletteram_xRRRRRGGGGGBBBBB_split2_w );
DECLARE_WRITE16_MEMBER( paletteram16_xRRRRRGGGGGBBBBB_word_w );
DECLARE_WRITE16_MEMBER( paletteram16_xGGGGGRRRRRBBBBB_word_w );
DECLARE_WRITE16_MEMBER( paletteram16_xGGGGGBBBBBRRRRR_word_w );
DECLARE_WRITE16_MEMBER( paletteram16_RRRRRGGGGGBBBBBx_word_w );
DECLARE_WRITE16_MEMBER( paletteram16_GGGGGRRRRRBBBBBx_word_w );
DECLARE_WRITE16_MEMBER( paletteram16_RRRRGGGGBBBBRGBx_word_w );
// 8-8-8 RGB palette write handlers
DECLARE_WRITE16_MEMBER( paletteram16_xrgb_word_be_w );
DECLARE_WRITE16_MEMBER( paletteram16_xbgr_word_be_w );
protected:
// helpers called at startup
virtual void driver_start();
virtual void machine_start();
virtual void sound_start();
virtual void video_start();
// helpers called at reset
virtual void driver_reset();
virtual void machine_reset();
virtual void sound_reset();
virtual void video_reset();
// device-level overrides
virtual const rom_entry *device_rom_region() const;
virtual ioport_constructor device_input_ports() const;
virtual void device_start();
virtual void device_reset();
// internal helpers
inline UINT16 paletteram16_le(offs_t offset) const { return m_generic_paletteram[offset & ~1] | (m_generic_paletteram[offset | 1] << 8); }
inline UINT16 paletteram16_be(offs_t offset) const { return m_generic_paletteram[offset | 1] | (m_generic_paletteram[offset & ~1] << 8); }
inline UINT16 paletteram16_split(offs_t offset) const { return m_generic_paletteram[offset] | (m_generic_paletteram2[offset] << 8); }
inline UINT32 paletteram32_be(offs_t offset) const { return m_generic_paletteram16[offset | 1] | (m_generic_paletteram16[offset & ~1] << 16); }
// internal state
const game_driver * m_system; // pointer to the game driver
legacy_callback_func m_callbacks[CB_COUNT]; // generic legacy callbacks
palette_init_func m_palette_init; // one-time palette init callback
// generic pointers
optional_shared_ptr<UINT8> m_generic_paletteram;
optional_shared_ptr<UINT16> m_generic_paletteram16;
optional_shared_ptr<UINT8> m_generic_paletteram2;
};
// this template function creates a stub which constructs a device
template<class _DriverClass>
device_t *driver_device_creator(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
{
assert(owner == NULL);
assert(clock == 0);
return global_alloc_clear(_DriverClass(mconfig, &driver_device_creator<_DriverClass>, tag));
}
//**************************************************************************
// INLINE FUNCTIONS
//**************************************************************************
inline device_t *running_machine::device(const char *tag)
{
return devicelist().find(tag);
}
inline const input_port_config *running_machine::port(const char *tag)
{
return m_portlist.find(tag);
}
inline const memory_region *running_machine::region(const char *tag)
{
// if tag begins with a :, it's absolute
if (tag[0] == ':')
{
return m_regionlist.find(&tag[1]);
}
return m_regionlist.find(tag);
}
#endif /* __MACHINE_H__ */
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