zaxxon.c

这个是延伸mame的在wince平台下的游戏模拟器的代码

static struct GfxLayout futspy_spritelayout =
{
	32,32,	/* 32*32 sprites */
	128,	/* 128 sprites */
	3,	/* 3 bits per pixel */
	{ 2*128*128*8, 128*128*8, 0 },	/* the bitplanes are separated */
	{ 0, 1, 2, 3, 4, 5, 6, 7,
			8*8+0, 8*8+1, 8*8+2, 8*8+3, 8*8+4, 8*8+5, 8*8+6, 8*8+7,
			16*8+0, 16*8+1, 16*8+2, 16*8+3, 16*8+4, 16*8+5, 16*8+6, 16*8+7,
			24*8+0, 24*8+1, 24*8+2, 24*8+3, 24*8+4, 24*8+5, 24*8+6, 24*8+7 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
			32*8, 33*8, 34*8, 35*8, 36*8, 37*8, 38*8, 39*8,
			64*8, 65*8, 66*8, 67*8, 68*8, 69*8, 70*8, 71*8,
			96*8, 97*8, 98*8, 99*8, 100*8, 101*8, 102*8, 103*8 },
	128*8	/* every sprite takes 128 consecutive bytes */
};



static struct GfxDecodeInfo gfxdecodeinfo[] =
{
	{ 1, 0x0000, &zaxxon_charlayout1,   0, 32 },	/* characters */
	{ 1, 0x1800, &zaxxon_charlayout2,   0, 32 },	/* background tiles */
	{ 1, 0x7800, &spritelayout,  0, 32 },			/* sprites */
	{ -1 } /* end of array */
};

static struct GfxDecodeInfo futspy_gfxdecodeinfo[] =
{
	{ 1, 0x0000, &zaxxon_charlayout1,   0, 32 },	/* characters */
	{ 1, 0x1800, &zaxxon_charlayout2,   0, 32 },	/* background tiles */
	{ 1, 0x7800, &futspy_spritelayout,  0, 32 },			/* sprites */
	{ -1 } /* end of array */
};



static struct Samplesinterface zaxxon_samples_interface =
{
	12	/* 12 channels */
};


static struct MachineDriver zaxxon_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			3072000,	/* 3.072 Mhz ?? */
			0,
			readmem,writemem,0,0,
			zaxxon_interrupt,1
		}
	},
	60, DEFAULT_60HZ_VBLANK_DURATION,	/* frames per second, vblank duration */
	1,	/* single CPU, no need for interleaving */
	zaxxon_init_machine,

	/* video hardware */
	32*8, 32*8, { 0*8, 32*8-1,2*8, 30*8-1 },
	gfxdecodeinfo,
	256,32*8,
	zaxxon_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	zaxxon_vh_start,
	zaxxon_vh_stop,
	zaxxon_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_SAMPLES,
			&zaxxon_samples_interface
		}
	}
};

static struct MachineDriver futspy_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			3072000,	/* 3.072 Mhz ?? */
			0,
			readmem,futspy_writemem,0,0,
			zaxxon_interrupt,1
		}
	},
	60, DEFAULT_60HZ_VBLANK_DURATION,	/* frames per second, vblank duration */
	1,	/* single CPU, no need for interleaving */
	futspy_init_machine,

	/* video hardware */
	32*8, 32*8, { 0*8, 32*8-1,2*8, 30*8-1 },
	futspy_gfxdecodeinfo,
	256,32*8,
	zaxxon_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	zaxxon_vh_start,
	zaxxon_vh_stop,
	zaxxon_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_SAMPLES,
			&zaxxon_samples_interface
		}
	}
};



/***************************************************************************

  Game driver(s)

***************************************************************************/

static const char *zaxxon_sample_names[] =
{
	"*zaxxon",
	"03.sam",	/* Homing Missile */
	"02.sam",	/* Base Missile */
	"01.sam",	/* Laser (force field) */
	"00.sam",	/* Battleship (end of level boss) */
	"11.sam",	/* S-Exp (enemy explosion) */
	"10.sam",	/* M-Exp (ship explosion) */
	"08.sam", 	/* Cannon (ship fire) */
	"23.sam",	/* Shot (enemy fire) */
	"21.sam",	/* Alarm 2 (target lock) */
	"20.sam",	/* Alarm 3 (low fuel) */
	"05.sam",	/* initial background noise */
	"04.sam",	/* looped asteroid noise */
	0
};

ROM_START( zaxxon_rom )
	ROM_REGION(0x10000)	/* 64k for code */
	ROM_LOAD( "zaxxon.3",     0x0000, 0x2000, 0x6e2b4a30 )
	ROM_LOAD( "zaxxon.2",     0x2000, 0x2000, 0x1c9ea398 )
	ROM_LOAD( "zaxxon.1",     0x4000, 0x1000, 0x1c123ef9 )

	ROM_REGION_DISPOSE(0xd800)	/* temporary space for graphics (disposed after conversion) */
	ROM_LOAD( "zaxxon.14",    0x0000, 0x0800, 0x07bf8c52 )	/* characters */
	ROM_LOAD( "zaxxon.15",    0x0800, 0x0800, 0xc215edcb )
	/* 1000-17ff empty space to convert the characters as 3bpp instead of 2 */
	ROM_LOAD( "zaxxon.6",     0x1800, 0x2000, 0x6e07bb68 )	/* background tiles */
	ROM_LOAD( "zaxxon.5",     0x3800, 0x2000, 0x0a5bce6a )
	ROM_LOAD( "zaxxon.4",     0x5800, 0x2000, 0xa5bf1465 )
	ROM_LOAD( "zaxxon.11",    0x7800, 0x2000, 0xeaf0dd4b )	/* sprites */
	ROM_LOAD( "zaxxon.12",    0x9800, 0x2000, 0x1c5369c7 )
	ROM_LOAD( "zaxxon.13",    0xb800, 0x2000, 0xab4e8a9a )

	ROM_REGION(0x8000)	/* background graphics */
	ROM_LOAD( "zaxxon.8",     0x0000, 0x2000, 0x28d65063 )
	ROM_LOAD( "zaxxon.7",     0x2000, 0x2000, 0x6284c200 )
	ROM_LOAD( "zaxxon.10",    0x4000, 0x2000, 0xa95e61fd )
	ROM_LOAD( "zaxxon.9",     0x6000, 0x2000, 0x7e42691f )

	ROM_REGION(0x0200)	/* color proms */
	ROM_LOAD( "zaxxon.u98",   0x0000, 0x0100, 0x6cc6695b ) /* palette */
	ROM_LOAD( "zaxxon.u72",   0x0100, 0x0100, 0xdeaa21f7 ) /* char lookup table */
ROM_END

ROM_START( szaxxon_rom )
	ROM_REGION(0x10000)	/* 64k for code */
	ROM_LOAD( "suzaxxon.3",   0x0000, 0x2000, 0xaf7221da )
	ROM_LOAD( "suzaxxon.2",   0x2000, 0x2000, 0x1b90fb2a )
	ROM_LOAD( "suzaxxon.1",   0x4000, 0x1000, 0x07258b4a )

	ROM_REGION_DISPOSE(0xd800)	/* temporary space for graphics (disposed after conversion) */
	ROM_LOAD( "suzaxxon.14",  0x0000, 0x0800, 0xbccf560c )	/* characters */
	ROM_LOAD( "suzaxxon.15",  0x0800, 0x0800, 0xd28c628b )
	/* 1000-17ff empty space to convert the characters as 3bpp instead of 2 */
	ROM_LOAD( "suzaxxon.6",   0x1800, 0x2000, 0xf51af375 )	/* background tiles */
	ROM_LOAD( "suzaxxon.5",   0x3800, 0x2000, 0xa7de021d )
	ROM_LOAD( "suzaxxon.4",   0x5800, 0x2000, 0x5bfb3b04 )
	ROM_LOAD( "suzaxxon.11",  0x7800, 0x2000, 0x1503ae41 )	/* sprites */
	ROM_LOAD( "suzaxxon.12",  0x9800, 0x2000, 0x3b53d83f )
	ROM_LOAD( "suzaxxon.13",  0xb800, 0x2000, 0x581e8793 )

	ROM_REGION(0x8000)	/* background graphics */
	ROM_LOAD( "suzaxxon.8",   0x0000, 0x2000, 0xdd1b52df )
	ROM_LOAD( "suzaxxon.7",   0x2000, 0x2000, 0xb5bc07f0 )
	ROM_LOAD( "suzaxxon.10",  0x4000, 0x2000, 0x68e84174 )
	ROM_LOAD( "suzaxxon.9",   0x6000, 0x2000, 0xa509994b )

	ROM_REGION(0x0200)	/* color proms */
	ROM_LOAD( "suzaxxon.u98", 0x0000, 0x0100, 0x15727a9f ) /* palette */
	ROM_LOAD( "suzaxxon.u72", 0x0100, 0x0100, 0xdeaa21f7 ) /* char lookup table */
ROM_END

ROM_START( futspy_rom )
	ROM_REGION(0x10000)	/* 64k for code */
	ROM_LOAD( "fs_snd.u27",   0x0000, 0x2000, 0x7578fe7f )
	ROM_LOAD( "fs_snd.u28",   0x2000, 0x2000, 0x8ade203c )
	ROM_LOAD( "fs_snd.u29",   0x4000, 0x1000, 0x734299c3 )

	ROM_REGION_DISPOSE(0x13800)	/* temporary space for graphics (disposed after conversion) */
	ROM_LOAD( "fs_snd.u68",   0x0000, 0x0800, 0x305fae2d )	/* characters */
	ROM_LOAD( "fs_snd.u69",   0x0800, 0x0800, 0x3c5658c0 )
	/* 1000-17ff empty space to convert the characters as 3bpp instead of 2 */
	ROM_LOAD( "fs_vid.113",   0x1800, 0x2000, 0x36d2bdf6 )	/* background tiles */
	ROM_LOAD( "fs_vid.112",   0x3800, 0x2000, 0x3740946a )
	ROM_LOAD( "fs_vid.111",   0x5800, 0x2000, 0x4cd4df98 )
	ROM_LOAD( "fs_vid.u77",   0x7800, 0x4000, 0x1b93c9ec )	/* sprites */
	ROM_LOAD( "fs_vid.u78",   0xb800, 0x4000, 0x50e55262 )
	ROM_LOAD( "fs_vid.u79",   0xf800, 0x4000, 0xbfb02e3e )

	ROM_REGION(0x8000)	/* background graphics */
	ROM_LOAD( "fs_vid.u91",   0x0000, 0x2000, 0x86da01f4 )
	ROM_LOAD( "fs_vid.u90",   0x2000, 0x2000, 0x2bd41d2d )
	ROM_LOAD( "fs_vid.u93",   0x4000, 0x2000, 0xb82b4997 )
	ROM_LOAD( "fs_vid.u92",   0x6000, 0x2000, 0xaf4015af )

	ROM_REGION(0x0200)	/* color proms */
	ROM_LOAD( "futrprom.u98", 0x0000, 0x0100, 0x9ba2acaa ) /* palette */
	ROM_LOAD( "futrprom.u72", 0x0100, 0x0100, 0xf9e26790 ) /* char lookup table */
ROM_END



static int hiload(void)
{
	unsigned char *RAM = Machine->memory_region[Machine->drv->cpu[0].memory_region];


	/* check if the hi score table has already been initialized */
	if (memcmp(&RAM[0x6110],"\x00\x89\x00",3) == 0 &&
			memcmp(&RAM[0x6179],"\x00\x37\x00",3) == 0)
	{
		void *f;


		if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,0)) != 0)
		{
			osd_fread(f,&RAM[0x6100],21*6);
			RAM[0x6038] = RAM[0x6110];
			RAM[0x6039] = RAM[0x6111];
			RAM[0x603a] = RAM[0x6112];
			osd_fclose(f);
		}

		return 1;
	}
	else return 0;	/* we can't load the hi scores yet */
}



static void hisave(void)
{
	unsigned char *RAM = Machine->memory_region[Machine->drv->cpu[0].memory_region];


	/* make sure that the high score table is still valid (entering the */
	/* test mode corrupts it) */
	if (memcmp(&RAM[0x6110],"\x00\x00\x00",3) != 0)
	{
		void *f;


		if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,1)) != 0)
		{
			osd_fwrite(f,&RAM[0x6100],21*6);
			osd_fclose(f);
		}
	}
}

static int futspy_hiload(void)
{
	unsigned char *RAM = Machine->memory_region[Machine->drv->cpu[0].memory_region];


	if (memcmp(&RAM[0x0427],"\x00\x00\x01",3) == 0 &&
			memcmp(&RAM[0x0460],"\x49\x44\x41",3) == 0 &&
			memcmp(&RAM[0x6419],"\x00\x00\x01",3) == 0 &&
			memcmp(&RAM[0x6450],"\x10\x00\x49",3) == 0 )
	{
		void *f;

		if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,0)) != 0)
		{
			osd_fread(f,&RAM[0x6419],60);
			osd_fclose(f);
		}

		return 1;
	}
	else return 0;   /* we can't load the hi scores yet */
}

static void futspy_hisave(void)
{
	void *f;
	unsigned char *RAM = Machine->memory_region[Machine->drv->cpu[0].memory_region];


	if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,1)) != 0)
	{
		osd_fwrite(f,&RAM[0x6419],60);
		osd_fclose(f);
	}
}



struct GameDriver zaxxon_driver =
{
	__FILE__,
	0,
	"zaxxon",
	"Zaxxon",
	"1982",
	"Sega",
	"Mirko Buffoni (MAME driver)\nNicola Salmoria (MAME driver)\nAlex Judd (sound)\nGerald Vanderick (color info)\nFrank Palazzolo (sound info)\nRiek Gladys (sound info)\nJohn Butler (video)",
	0,
	&zaxxon_machine_driver,
	0,

	zaxxon_rom,
	0, 0,
	zaxxon_sample_names,
	0,	/* sound_prom */

	zaxxon_input_ports,

	PROM_MEMORY_REGION(3), 0, 0,
	ORIENTATION_ROTATE_90,

	hiload, hisave
};

struct GameDriver szaxxon_driver =
{
	__FILE__,
	0,
	"szaxxon",
	"Super Zaxxon",
	"1982",
	"Sega",
	"Mirko Buffoni (MAME driver)\nNicola Salmoria (MAME driver)\nAlex Judd (sound)\nTim Lindquist (encryption and color info)\nFrank Palazzolo (sound info)\nRiek Gladys (sound info)",
	0,
	&zaxxon_machine_driver,
	0,

	szaxxon_rom,
	0, szaxxon_decode,
	zaxxon_sample_names,
	0,	/* sound_prom */

	zaxxon_input_ports,

	PROM_MEMORY_REGION(3), 0, 0,
	ORIENTATION_ROTATE_90,

	hiload, hisave
};

struct GameDriver futspy_driver =
{
	__FILE__,
	0,
	"futspy",
	"Future Spy",
	"1984",
	"Sega",
	"Nicola Salmoria",
	0,
	&futspy_machine_driver,
	0,

	futspy_rom,
	0, futspy_decode,
	0,
	0,	/* sound_prom */

	futspy_input_ports,

	PROM_MEMORY_REGION(3), 0, 0,
	ORIENTATION_ROTATE_270,

	futspy_hiload, futspy_hisave
};