mame/src/emu/driver.h
2010-05-19 15:08:32 +00:00

142 lines
5.0 KiB
C

/***************************************************************************
driver.h
Definitions relating to game drivers.
Copyright Nicola Salmoria and the MAME Team.
Visit http://mamedev.org for licensing and usage restrictions.
***************************************************************************/
#pragma once
#ifndef __EMU_H__
#error Dont include this file directly; include emu.h instead.
#endif
#ifndef __DRIVER_H__
#define __DRIVER_H__
/***************************************************************************
CONSTANTS
***************************************************************************/
/* maxima */
#define MAX_DRIVER_NAME_CHARS 8
/* ----- flags for game drivers ----- */
#define ORIENTATION_MASK 0x00000007
#define GAME_NOT_WORKING 0x00000008
#define GAME_UNEMULATED_PROTECTION 0x00000010 /* game's protection not fully emulated */
#define GAME_WRONG_COLORS 0x00000020 /* colors are totally wrong */
#define GAME_IMPERFECT_COLORS 0x00000040 /* colors are not 100% accurate, but close */
#define GAME_IMPERFECT_GRAPHICS 0x00000080 /* graphics are wrong/incomplete */
#define GAME_NO_COCKTAIL 0x00000100 /* screen flip support is missing */
#define GAME_NO_SOUND 0x00000200 /* sound is missing */
#define GAME_IMPERFECT_SOUND 0x00000400 /* sound is known to be wrong */
#define GAME_SUPPORTS_SAVE 0x00000800 /* game supports save states */
#define GAME_IS_BIOS_ROOT 0x00001000 /* this driver entry is a BIOS root */
#define GAME_NO_STANDALONE 0x00002000 /* this driver cannot stand alone */
#define GAME_REQUIRES_ARTWORK 0x00004000 /* the driver requires external artwork for key elements of the game */
#define GAME_UNOFFICIAL 0x00008000 /* unofficial hardware change */
#define GAME_NO_SOUND_HW 0x00010000 /* sound hardware not available */
/* ----- flags to return from video_update ----- */
#define UPDATE_HAS_NOT_CHANGED 0x0001 /* the video has not changed */
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
typedef void (*driver_init_func)(running_machine *machine);
struct game_driver
{
const char * source_file; /* set this to __FILE__ */
const char * parent; /* if this is a clone, the name of the parent */
const char * name; /* short (8-character) name of the game */
const char * description; /* full name of the game */
const char * year; /* year the game was released */
const char * manufacturer; /* manufacturer of the game */
const machine_config_token *machine_config; /* machine driver tokens */
const input_port_token *ipt; /* pointer to array of input port tokens */
void (*driver_init)(running_machine *machine); /* DRIVER_INIT callback */
const rom_entry * rom; /* pointer to list of ROMs for the game */
const char * compatible_with;
UINT32 flags; /* orientation and other flags; see defines below */
const char * default_layout; /* default internally defined layout */
};
/***************************************************************************
MACROS FOR BUILDING GAME DRIVERS
***************************************************************************/
#define DRIVER_INIT_NAME(name) driver_init_##name
#define DRIVER_INIT(name) void DRIVER_INIT_NAME(name)(running_machine *machine)
#define DRIVER_INIT_CALL(name) DRIVER_INIT_NAME(name)(machine)
#define driver_init_0 NULL
#define GAME_NAME(name) driver_##name
#define GAME_EXTERN(name) extern const game_driver GAME_NAME(name)
#define GAME(YEAR,NAME,PARENT,MACHINE,INPUT,INIT,MONITOR,COMPANY,FULLNAME,FLAGS) \
GAMEL(YEAR,NAME,PARENT,MACHINE,INPUT,INIT,MONITOR,COMPANY,FULLNAME,FLAGS,((const char *)0))
#define GAMEL(YEAR,NAME,PARENT,MACHINE,INPUT,INIT,MONITOR,COMPANY,FULLNAME,FLAGS,LAYOUT) \
extern const game_driver GAME_NAME(NAME) = \
{ \
__FILE__, \
#PARENT, \
#NAME, \
FULLNAME, \
#YEAR, \
COMPANY, \
MACHINE_DRIVER_NAME(MACHINE), \
INPUT_PORTS_NAME(INPUT), \
DRIVER_INIT_NAME(INIT), \
ROM_NAME(NAME), \
NULL, \
(MONITOR)|(FLAGS), \
&LAYOUT[0] \
};
/***************************************************************************
GLOBAL VARIABLES
***************************************************************************/
extern const game_driver * const drivers[];
GAME_EXTERN(empty);
/***************************************************************************
FUNCTION PROTOTYPES
***************************************************************************/
const game_driver *driver_get_name(const char *name);
const game_driver *driver_get_clone(const game_driver *driver);
const game_driver *driver_get_compatible(const game_driver *drv);
void driver_list_get_approx_matches(const game_driver * const driverlist[], const char *name, int matches, const game_driver **list);
int driver_list_get_count(const game_driver * const driverlist[]);
#endif