ldrun.c

这个是延伸mame的在wince平台下的游戏模拟器的代码

	{ 0, 0x4000*8,0x4000*8*2 },
	{ 0, 1, 2, 3, 64+0,64+1,64+2,64+3,64+4,64+5,64+6,64+7 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
	128	/* character offset */
};

static struct GfxLayout kidniki_sprite_layout =
{
	16,16,	/* character size */
	0x800,	/* number of characters */
	3,	/* bits per pixel */
	{ 0,0x80000,0x80000*2 },
	{ 0, 1, 2, 3, 4,5,6,7,
		128+0,128+1,128+2,128+3,128+4,128+5,128+6,128+7 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
		8*8,9*8,10*8,11*8,12*8,13*8,14*8,15*8 },

	256 /* sprite offset */
};

static struct GfxDecodeInfo kidniki_gfxdecodeinfo[] =
{
	{ MEM_TILES, 	0, &kidniki_tile_layout,		256,	32 },
	{ MEM_CHARS,	0, &kidniki_char_layout,		256,	32 },
	{ MEM_SPRITES,	0, &kidniki_sprite_layout,		0,		32 },
	{ -1 } /* end of array */
};

static struct MachineDriver kidniki_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			6000000,	/* unknown, but 4Mhz causes crashes when fighting the final boss */
			MEM_MAIN_CPU,
			kidniki_readmem,kidniki_writemem,
			irem_readport,kidniki_writeport,
			interrupt,1
		},
		{
			CPU_M6803 | CPU_AUDIO_CPU,
			1000000,	/* 1.0 Mhz ? */
			MEM_SOUND_CPU,
			sound_readmem,sound_writemem,0,0,
			ignore_interrupt,1	/* interrupts are generated by the ADPCM hardware */
		}
	},
	60, 0, /* frames per second and vblank duration from the Lode Runner manual */
	1, /* cpu slices */
	0, /* init machine */

	/* video hardware */
	32*12,	/* screen width */
	32*8,	/* screen height */
	{ 0*8, 32*12-1, 0*8, 32*8-1 }, /* viewport clip */
	kidniki_gfxdecodeinfo,
	512,512,
	ldrun_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	kidniki_vh_start,
	irem_vh_stop,
	kidniki_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&irem_ay8910_interface
		},
		{
			SOUND_MSM5205,
			&irem_msm5205_interface
		},
	}
};



ROM_START( kidniki_rom )
	ROM_REGION( 0x30000 )	/* main CPU */
	ROM_LOAD( "dr04.4e",	0x0000, 0x4000, 0x80431858 )
	ROM_LOAD( "dr03.4cd",	0x4000, 0x4000, 0xdba20934 )

	ROM_LOAD( "dr11.8k",	0x10000, 0x08000, 0x04d82d93 )
	ROM_LOAD( "dr12.8l",	0x18000, 0x10000, 0xc0b255fd )

	ROM_REGION( 0x10000 )	/* sound CPU */
	ROM_LOAD( "dr00.3a",	0x4000, 0x04000, 0x458309f7 )
	ROM_LOAD( "dr01.3cd",	0x8000, 0x04000, 0xe66897bd )
	ROM_LOAD( "dr02.3f",	0xc000, 0x04000, 0xf9e31e26 ) /* 6803 code */

	ROM_REGION_DISPOSE( 0x18000 ) /* tiles */
	ROM_LOAD( "dr07.2dc",	0x08000, 0x8000, 0xab59a4c4 )
	ROM_LOAD( "dr06.2b",	0x10000, 0x8000, 0x4d9a970f )
	ROM_LOAD( "dr05.2a",	0x00000, 0x8000, 0x2e6dad0c )

	ROM_REGION_DISPOSE( 0xc000 ) /* characters */
	ROM_LOAD( "dr08.4l",	0x0000, 0x4000, 0x32d50643 )
	ROM_LOAD( "dr09.4m",	0x4000, 0x4000, 0x17df6f95 )
	ROM_LOAD( "dr10.4n",	0x8000, 0x4000, 0x820ce252 )

	ROM_REGION_DISPOSE( 0x30000 ) /* sprites */
	ROM_LOAD( "dr16.4cb",	0x00000, 0x4000, 0xf1d1bb93 ) /* plane0 */
	ROM_LOAD( "dr18.4e",	0x04000, 0x4000, 0xedb7f25b )
	ROM_LOAD( "dr17.4dc",	0x08000, 0x4000, 0x4fb87868 )
	ROM_LOAD( "dr15.4a",	0x0c000, 0x4000, 0xe0b88de5 )
	ROM_LOAD( "dr14.3p",	0x10000, 0x4000, 0x76cfbcbc ) /* plane 1 */
	ROM_LOAD( "dr24.4p",	0x14000, 0x4000, 0xd51c8db5 )
	ROM_LOAD( "dr23.4nm",	0x18000, 0x4000, 0x03469df8 )
	ROM_LOAD( "dr13.3nm",	0x1c000, 0x4000, 0xd5c3dfe0 )
	ROM_LOAD( "dr21.4k",	0x20000, 0x4000, 0xa06cea9a ) /* plane 2 */
	ROM_LOAD( "dr19.4f",	0x24000, 0x4000, 0xb34605ad )
	ROM_LOAD( "dr22.4l",	0x28000, 0x4000, 0x41303de8 )
	ROM_LOAD( "dr20.4jh",	0x2c000, 0x4000, 0x5fbe6f61 )

	ROM_REGION( 3*512 ) /* color proms */
	/* sprites */
	ROM_LOAD( "dr30.1m",	0*256,	256, 0x28c73263 )
	ROM_LOAD( "dr31.1n",	2*256,	256, 0x3529210e )
	ROM_LOAD( "dr29.1l",	4*256,	256, 0x1173a754 )
	/* tile colors */
	ROM_LOAD( "dr25.3f",	1*256,	256, 0x8e91430b )
	ROM_LOAD( "dr26.3h",	3*256,	256, 0xb563b93f )
	ROM_LOAD( "dr27.3j",	5*256,	256, 0x70d668ef )

	ROM_REGION( 32 ) /* sprite height table */
	ROM_LOAD( "dr32.5p",	0, 32,	0x11cd1f2e )

/* unknown:
	ROM_LOAD( "dr28.8f",	0, 512, 0x6cef0fbd )
	ROM_LOAD( "dr33.6f",	0, 256, 0x34d88d3c )
*/
ROM_END


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


	if (memcmp(&RAM[0xE062],"\x00\x10\x00",3) == 0 &&
			memcmp(&RAM[0xE0CE],"\x20\x20\x00",3) == 0 )
	{
		void *f;

		if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,0)) != 0)
		{
			osd_fread(f,&RAM[0xE062],111);
			osd_fclose(f);
		}

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

static void kidniki_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[0xE062],111);
		osd_fclose(f);
	}
}


struct GameDriver kidniki_driver =
{
	__FILE__,
	0,
	"kidniki",
	"Kid Niki, Radical Ninja",
	"1986",
	"Irem (Data East USA license)",
	"Phil Stroffolino\nAaron Giles (sound)",
	0,
	&kidniki_machine_driver,
	0,

	kidniki_rom,
	0, 0,
	0,
	0,	/* sound_prom */

	kidniki_input_ports,

	PROM_MEMORY_REGION(MEM_COLOR), 0, 0,
	ORIENTATION_DEFAULT,

	kidniki_hiload, kidniki_hisave
};

static struct GfxLayout spelunk2_char_layout =
{
	12,8, /* character size */
	256, /* number of characters */
	3, /* bits per pixel */
	{ 0, 0x2000*8, 0x2000*8*2 },
	{
		0,1,2,3,
		0x800*8+0,0x800*8+1,0x800*8+2,0x800*8+3,
		0x800*8+4,0x800*8+5,0x800*8+6,0x800*8+7
	},
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
	64	/* character offset */
};
static struct GfxDecodeInfo spelunk2_gfxdecodeinfo[] =
{
	{ MEM_TILES, 	0,		&kidniki_tile_layout,	256, 32 },
	{ MEM_CHARS,	0x0000,	&spelunk2_char_layout,	256,32 },
	{ MEM_SPRITES,	0,		&kidniki_sprite_layout,	0, 32 },
	{ MEM_CHARS,	0x1000, &spelunk2_char_layout,	256,32 },
	{ -1 } /* end of array */
};

void spelunk2_port_w( int offset, int data ){
	switch( offset ){
		case 0:
		irem_background_vscroll_w(0,data);
		break;

		case 1:
		irem_background_hscroll_w(0,data);
		break;

		case 2:
		irem_background_hscroll_w(1,(data&2)>>1);
		irem_background_vscroll_w(1,(data&1));
		break;

		case 3:
		{
			unsigned char *mem = Machine->memory_region[MEM_MAIN_CPU];
			cpu_setbank( 1,&mem[0x20000+0x1000*(data>>6)] );
			cpu_setbank( 2,&mem[0x10000+0x400*(data&0x3c)] );
		}
		break;
	}
}

static struct MemoryReadAddress spelunk2_readmem[] = {
	{ 0x0000, 0x3fff, MRA_ROM },
	{ 0x4000, 0x7fff, MRA_ROM },
	{ 0x8000, 0x8fff, MRA_BANK1 },
	{ 0x9000, 0x9fff, MRA_BANK2 },
	{ 0xa000, 0xafff, MRA_RAM, &videoram },
	{ 0xb000, 0xc7ff, MRA_RAM },
	{ 0xc800, 0xdfff, MRA_RAM, &irem_textram },
	{ 0xe000, 0xe3ff, MRA_RAM },
	{ 0xe400, 0xffff, MRA_RAM, &spriteram },
	{ -1 }	/* end of table */
};

static struct MemoryWriteAddress spelunk2_writemem[] = {
	{ 0x0000, 0x9fff, MWA_ROM },
	{ 0xa000, 0xbfff, background_tilemap_w },
	{ 0xc000, 0xcfff, MWA_RAM },
	{ 0xd000, 0xd003, spelunk2_port_w },
	{ 0xe000, 0xefff, MWA_RAM },
	{ -1 }	/* end of table */
};

static struct IOWritePort spelunk2_writeport[] =
{
	{ 0x00, 0x00, irem_sound_cmd_w },
	/* 0x01: flip? */
	{ -1 }	/* end of table */
};

static struct MachineDriver spelunk2_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			6000000,	/* 4.0 Mhz (?) */
			MEM_MAIN_CPU,
			spelunk2_readmem,spelunk2_writemem,
			irem_readport,spelunk2_writeport,
			interrupt,1
		},
		{
			CPU_M6803 | CPU_AUDIO_CPU,
			1000000,	/* 1.0 Mhz ? */
			MEM_SOUND_CPU,
			sound_readmem,sound_writemem,0,0,
			ignore_interrupt,1	/* interrupts are generated by the ADPCM hardware */
		}
	},
	60, 0, /* frames per second and vblank duration */
	1, /* cpu slices */
	0, /* init machine */

	/* video hardware */
	32*12,	/* screen width */
	32*8,	/* screen height */
	{ 0*8, 32*12-1, 0*8, 32*8-1 }, /* viewport clip */
	spelunk2_gfxdecodeinfo,
	512,512,
	ldrun_vh_convert_color_prom,

	VIDEO_TYPE_RASTER,
	0,
	spelunk2_vh_start,
	irem_vh_stop,
	spelunk2_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&irem_ay8910_interface
		},
		{
			SOUND_MSM5205,
			&irem_msm5205_interface
		},
	}
};



ROM_START( spelunk2_rom )
	ROM_REGION( 0x24000 )	/* main CPU */
	ROM_LOAD( "sp2-a.4e",	0x0000, 0x4000, 0x96c04bbb )
	ROM_LOAD( "sp2-a.4d",	0x4000, 0x4000, 0xcb38c2ff )
	/* banked switched ROMs */
	ROM_LOAD( "sp2-r.7d",	0x10000, 0x8000, 0x558837ea )
	ROM_LOAD( "sp2-r.7c",	0x18000, 0x8000, 0x4b380162 )
	ROM_LOAD( "sp2-r.7b",	0x20000, 0x4000, 0x7709a1fe )

	ROM_REGION( 0x10000 )	/* sound CPU */
	ROM_LOAD( "sp2-a.3d",	0x8000, 0x04000, 0x839ec7e2 ) /* adpcm data */
	ROM_LOAD( "sp2-a.3f",	0xc000, 0x04000, 0xad3ce898 ) /* 6803 code */

	ROM_REGION_DISPOSE( 0x18000 ) /* tiles */
	ROM_LOAD( "sp2-r.1b",	0x00000, 0x8000, 0x3a0c4d47 )
	ROM_LOAD( "sp2-r.1d",	0x08000, 0x8000, 0xc19fa4c9 )
	ROM_LOAD( "sp2-r.3b",	0x10000, 0x8000, 0x366604af )

	ROM_REGION_DISPOSE( 0x10000 ) /* characters */
	ROM_LOAD( "sp2-r.4m",	0x00000, 0x2000, 0x5591f22c )
	ROM_LOAD( "sp2-r.4p",	0x02000, 0x2000, 0x32967081 )
	ROM_LOAD( "sp2-r.4l",	0x04000, 0x2000, 0xb12f939a )

	ROM_REGION_DISPOSE( 0x30000 ) /* sprites */
	ROM_LOAD( "sp2-b.3n",	0x00000, 0x4000, 0xf59e8b76 ) 
	ROM_LOAD( "sp2-b.4e",	0x04000, 0x4000, 0x780a463b )

	ROM_LOAD( "sp2-b.4c",	0x10000, 0x4000, 0x1caf7013 ) 
	ROM_LOAD( "sp2-b.4f",	0x14000, 0x4000, 0xe4a1166f )

	ROM_LOAD( "sp2-b.4k",	0x20000, 0x4000, 0x6cb67a17 ) 
	ROM_LOAD( "sp2-b.4n",	0x24000, 0x4000, 0xfa65bac9 )

	ROM_REGION( 3*512 ) /* color proms */
	/* sprites */
	ROM_LOAD( "sp2-b.1m",	0*256,	256, 0x906104c7 )
	ROM_LOAD( "sp2-b.1n",	2*256,	256, 0x5a564c06 )
	ROM_LOAD( "sp2-b.1l",	4*256,	256, 0x8f4a2e3c )
	/* tile colors */
	/* red - missing? */
	ROM_LOAD( "sp2-r.2k",	3*256,	256, 0x1cf5987e )
	ROM_LOAD( "sp2-r.2j",	5*256,	256, 0x1acbe2a5 )

	ROM_REGION( 32 ) /* sprite height table */
	ROM_LOAD( "sp2-b.5p",	0, 32,	0xcd126f6a )

/*
	unknown:
	ROM_LOAD( "sp2-r.8j",	0, 512, 0x875cc442 )
	ROM_LOAD( "sp2-r.1k",	0,	512, 0 )
*/
ROM_END


static int spelunk2_hiload(void)
{
	unsigned char *RAM = Machine->memory_region[Machine->drv->cpu[0].memory_region];


	if (memcmp(&RAM[0xE066],"\x99\x11\x59",3) == 0 &&
			memcmp(&RAM[0xE0C7],"\x49\x4e\x3f",3) == 0 )
	{
		void *f;

		if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,0)) != 0)
		{
			osd_fread(f,&RAM[0xE066],100);
			osd_fclose(f);
		}

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

static void spelunk2_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[0xE066],100);
		osd_fclose(f);
	}
}


struct GameDriver spelunk2_driver =
{
	__FILE__,
	0,
	"spelunk2",
	"Spelunker II",
	"1986",
	"Irem (licensed from Broderbund)",
	"Phil Stroffolino\nAaron Giles (sound)",
	GAME_WRONG_COLORS,
	&spelunk2_machine_driver,
	0,

	spelunk2_rom,
	0, 0,
	0,
	0,	/* sound_prom */

	input_ports,

	PROM_MEMORY_REGION(MEM_COLOR), 0, 0,
	ORIENTATION_DEFAULT,

	spelunk2_hiload, spelunk2_hisave
};