mcr3.c

这个是延伸mame的在wince平台下的游戏模拟器的代码

   { -1 }	/* end of table */
};

static struct IOWritePort rm_writeport[] =
{
   { 0, 0xff, rampage_writeport },
   { -1 }	/* end of table */
};

static struct IOWritePort mr_writeport[] =
{
   { 0, 0xff, maxrpm_writeport },
   { -1 }	/* end of table */
};

static struct IOWritePort sa_writeport[] =
{
   { 0, 0xff, sarge_writeport },
   { -1 }	/* end of table */
};

static struct IOWritePort dt_writeport[] =
{
   { 0, 0xff, dotron_writeport },
   { -1 }	/* end of table */
};


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

  Graphics layouts

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

/* generic character layouts */

/* note that characters are half the resolution of sprites in each direction, so we generate
   them at double size */

/* 1024 characters; used by tapper, timber, rampage */
static struct GfxLayout mcr3_charlayout_1024 =
{
	16, 16,
	1024,
	4,
	{ 1024*16*8, 1024*16*8+1, 0, 1 },
	{ 0, 0, 2, 2, 4, 4, 6, 6, 8, 8, 10, 10, 12, 12, 14, 14 },
	{ 0, 0, 2*8, 2*8, 4*8, 4*8, 6*8, 6*8, 8*8, 8*8, 10*8, 10*8, 12*8, 12*8, 14*8, 14*8 },
	16*8
};

/* 512 characters; used by dotron, destderb */
static struct GfxLayout mcr3_charlayout_512 =
{
	16, 16,
	512,
	4,
	{ 512*16*8, 512*16*8+1, 0, 1 },
	{ 0, 0, 2, 2, 4, 4, 6, 6, 8, 8, 10, 10, 12, 12, 14, 14 },
	{ 0, 0, 2*8, 2*8, 4*8, 4*8, 6*8, 6*8, 8*8, 8*8, 10*8, 10*8, 12*8, 12*8, 14*8, 14*8 },
	16*8
};

/* generic sprite layouts */

/* 512 sprites; used by rampage */
#define X (512*128*8)
#define Y (2*X)
#define Z (3*X)
static struct GfxLayout mcr3_spritelayout_512 =
{
   32,32,
   512,
   4,
   { 0, 1, 2, 3 },
   {  Z+0, Z+4, Y+0, Y+4, X+0, X+4, 0, 4, Z+8, Z+12, Y+8, Y+12, X+8, X+12, 8, 12,
	  Z+16, Z+20, Y+16, Y+20, X+16, X+20, 16, 20, Z+24, Z+28, Y+24, Y+28,
	  X+24, X+28, 24, 28 },
   {  0, 32, 32*2, 32*3, 32*4, 32*5, 32*6, 32*7, 32*8, 32*9, 32*10, 32*11,
	  32*12, 32*13, 32*14, 32*15, 32*16, 32*17, 32*18, 32*19, 32*20, 32*21,
	  32*22, 32*23, 32*24, 32*25, 32*26, 32*27, 32*28, 32*29, 32*30, 32*31 },
   128*8
};
#undef X
#undef Y
#undef Z

/* 256 sprites; used by tapper, timber, destderb, spyhunt */
#define X (256*128*8)
#define Y (2*X)
#define Z (3*X)
static struct GfxLayout mcr3_spritelayout_256 =
{
   32,32,
   256,
   4,
   { 0, 1, 2, 3 },
   {  Z+0, Z+4, Y+0, Y+4, X+0, X+4, 0, 4, Z+8, Z+12, Y+8, Y+12, X+8, X+12, 8, 12,
	  Z+16, Z+20, Y+16, Y+20, X+16, X+20, 16, 20, Z+24, Z+28, Y+24, Y+28,
	  X+24, X+28, 24, 28 },
   {  0, 32, 32*2, 32*3, 32*4, 32*5, 32*6, 32*7, 32*8, 32*9, 32*10, 32*11,
	  32*12, 32*13, 32*14, 32*15, 32*16, 32*17, 32*18, 32*19, 32*20, 32*21,
	  32*22, 32*23, 32*24, 32*25, 32*26, 32*27, 32*28, 32*29, 32*30, 32*31 },
   128*8
};
#undef X
#undef Y
#undef Z

/* 128 sprites; used by dotron */
#define X (128*128*8)
#define Y (2*X)
#define Z (3*X)
static struct GfxLayout mcr3_spritelayout_128 =
{
   32,32,
   128,
   4,
   { 0, 1, 2, 3 },
   {  Z+0, Z+4, Y+0, Y+4, X+0, X+4, 0, 4, Z+8, Z+12, Y+8, Y+12, X+8, X+12, 8, 12,
	  Z+16, Z+20, Y+16, Y+20, X+16, X+20, 16, 20, Z+24, Z+28, Y+24, Y+28,
	  X+24, X+28, 24, 28 },
   {  0, 32, 32*2, 32*3, 32*4, 32*5, 32*6, 32*7, 32*8, 32*9, 32*10, 32*11,
	  32*12, 32*13, 32*14, 32*15, 32*16, 32*17, 32*18, 32*19, 32*20, 32*21,
	  32*22, 32*23, 32*24, 32*25, 32*26, 32*27, 32*28, 32*29, 32*30, 32*31 },
   128*8
};
#undef X
#undef Y
#undef Z

/***************************** spyhunt layouts **********************************/

/* 128 32x16 characters; used by spyhunt */
static struct GfxLayout spyhunt_charlayout_128 =
{
	32, 32,	/* we pixel double and split in half */
	128,
	4,
	{ 0, 1, 128*128*8, 128*128*8+1  },
	{ 0, 0, 2, 2, 4, 4, 6, 6, 8, 8, 10, 10, 12, 12, 14, 14, 16, 16, 18, 18, 20, 20, 22, 22, 24, 24, 26, 26, 28, 28, 30, 30 },
	{ 0, 0, 8*8, 8*8, 16*8, 16*8, 24*8, 24*8, 32*8, 32*8, 40*8, 40*8, 48*8, 48*8, 56*8, 56*8,
	  64*8, 64*8, 72*8, 72*8, 80*8, 80*8, 88*8, 88*8, 96*8, 96*8, 104*8, 104*8, 112*8, 112*8, 120*8, 120*8 },
	128*8
};

/* of course, Spy Hunter just *had* to be different than everyone else... */
static struct GfxLayout spyhunt_alphalayout =
{
	16, 16,
	256,
	2,
	{ 0, 1 },
	{ 0, 0, 2, 2, 4, 4, 6, 6, 8, 8, 10, 10, 12, 12, 14, 14 },
	{ 0, 0, 2*8, 2*8, 4*8, 4*8, 6*8, 6*8, 8*8, 8*8, 10*8, 10*8, 12*8, 12*8, 14*8, 14*8 },
	16*8
};



static struct GfxDecodeInfo tapper_gfxdecodeinfo[] =
{
	{ 1, 0x0000, &mcr3_charlayout_1024,   0, 4 },
	{ 1, 0x8000, &mcr3_spritelayout_256,  0, 4 },
	{ -1 } /* end of array */
};

static struct GfxDecodeInfo dotron_gfxdecodeinfo[] =
{
	{ 1, 0x0000, &mcr3_charlayout_512,   0, 4 },
	{ 1, 0x4000, &mcr3_spritelayout_128, 0, 4 },
	{ -1 } /* end of array */
};

static struct GfxDecodeInfo destderb_gfxdecodeinfo[] =
{
	{ 1, 0x0000, &mcr3_charlayout_512,   0, 4 },
	{ 1, 0x4000, &mcr3_spritelayout_256, 0, 4 },
	{ -1 } /* end of array */
};

static struct GfxDecodeInfo timber_gfxdecodeinfo[] =
{
	{ 1, 0x0000, &mcr3_charlayout_1024,   0, 4 },
	{ 1, 0x8000, &mcr3_spritelayout_256,  0, 4 },
	{ -1 } /* end of array */
};

static struct GfxDecodeInfo rampage_gfxdecodeinfo[] =
{
	{ 1, 0x0000, &mcr3_charlayout_1024,  0, 4 },
	{ 1, 0x8000, &mcr3_spritelayout_512, 0, 4 },
	{ -1 } /* end of array */
};

static struct GfxDecodeInfo sarge_gfxdecodeinfo[] =
{
	{ 1, 0x0000, &mcr3_charlayout_512,   0, 4 },
	{ 1, 0x4000, &mcr3_spritelayout_256, 0, 4 },
	{ -1 } /* end of array */
};

static struct GfxDecodeInfo spyhunt_gfxdecodeinfo[] =
{
	{ 1, 0x0000, &spyhunt_charlayout_128, 1*16, 1 },	/* top half */
	{ 1, 0x0004, &spyhunt_charlayout_128, 1*16, 1 },	/* bottom half */
	{ 1, 0x8000, &mcr3_spritelayout_256,  0*16, 1 },
	{ 1, 0x28000, &spyhunt_alphalayout,   8*16, 1 },
	{ -1 } /* end of array */
};

static struct GfxDecodeInfo crater_gfxdecodeinfo[] =
{
	{ 1, 0x0000, &spyhunt_charlayout_128, 3*16, 1 },	/* top half */
	{ 1, 0x0004, &spyhunt_charlayout_128, 3*16, 1 },	/* bottom half */
	{ 1, 0x8000, &mcr3_spritelayout_256,  0*16, 4 },
	{ 1, 0x28000, &spyhunt_alphalayout,   8*16, 1 },
	{ -1 } /* end of array */
};



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

  Sound interfaces

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

static struct AY8910interface ay8910_interface =
{
	2,	/* 2 chips */
	2000000,	/* 2 MHz ?? */
	{ 255, 255 },
	{ 0 },
	{ 0 },
	{ 0 },
	{ 0 }
};

static struct DACinterface dac_interface =
{
	1,
	{ 255 }
};

static struct TMS5220interface tms5220_interface =
{
	640000,
	192,
	0
};



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

  Machine drivers

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

static struct MachineDriver tapper_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			5000000,	/* 5 Mhz */
			0,
			readmem,writemem,readport,writeport,
			mcr_interrupt,1
		},
		{
			CPU_Z80 | CPU_AUDIO_CPU,
			2000000,	/* 2 Mhz */
			2,
			sound_readmem,sound_writemem,0,0,
			interrupt,26
		}
	},
	30, DEFAULT_30HZ_VBLANK_DURATION,	/* frames per second, vblank duration */
	1,	/* 1 CPU slice per frame - sound CPU has enough interrupts to handle synchronization */
	mcr_init_machine,

	/* video hardware */
	32*16, 30*16, { 0, 32*16-1, 0, 30*16-1 },
	tapper_gfxdecodeinfo,
	8*16, 8*16,
	mcr3_vh_convert_color_prom,

	VIDEO_TYPE_RASTER|VIDEO_SUPPORTS_DIRTY|VIDEO_MODIFIES_PALETTE,
	0,
	generic_vh_start,
	generic_vh_stop,
	mcr3_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&ay8910_interface
		}
	}
};

static struct MachineDriver dotron_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			5000000,	/* 5 Mhz */
			0,
			readmem,writemem,dt_readport,dt_writeport,
			dotron_interrupt,1
		},
		{
			CPU_Z80 | CPU_AUDIO_CPU,
			2000000,	/* 2 Mhz */
			2,
			sound_readmem,sound_writemem,0,0,
			interrupt,26
		},
		{
			CPU_M6802 | CPU_AUDIO_CPU,
			3580000/4,	/* .8 Mhz */
			3,
			snt_readmem,snt_writemem,0,0,
			ignore_interrupt,1
		}
	},
	30, DEFAULT_30HZ_VBLANK_DURATION,	/* frames per second, vblank duration */
	1,	/* 1 CPU slice per frame - sound CPU has enough interrupts to handle synchronization */
	dotron_init_machine,

	/* video hardware */
/*	32*16, 30*16, { 0, 32*16-1, 0, 30*16-1 }, - MAB 09/30/98, changed the screen size for the backdrop */
	800, 600, { 0, 800-1, 0, 600-1 },
	dotron_gfxdecodeinfo,
	254, 4*16,		/* The extra colors are for the backdrop */
	mcr3_vh_convert_color_prom,

	VIDEO_TYPE_RASTER|VIDEO_SUPPORTS_DIRTY|VIDEO_MODIFIES_PALETTE,
	0,
	dotron_vh_start,
	dotron_vh_stop,
	dotron_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&ay8910_interface
		},
		{
			SOUND_TMS5220,
			&tms5220_interface
		}
	}
};

static struct MachineDriver destderb_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			5000000,	/* 5 Mhz */
			0,
			readmem,writemem,destderb_readport,writeport,
			mcr_interrupt,1
		},
		{
			CPU_Z80 | CPU_AUDIO_CPU,
			2000000,	/* 2 Mhz */
			2,
			sound_readmem,sound_writemem,0,0,
			interrupt,26
		}
	},
	30, DEFAULT_30HZ_VBLANK_DURATION,	/* frames per second, vblank duration */
	1,	/* 1 CPU slice per frame - sound CPU has enough interrupts to handle synchronization */
	mcr_init_machine,

	/* video hardware */
	32*16, 30*16, { 0, 32*16-1, 0, 30*16-1 },
	destderb_gfxdecodeinfo,
	8*16, 8*16,
	mcr3_vh_convert_color_prom,

	VIDEO_TYPE_RASTER|VIDEO_SUPPORTS_DIRTY|VIDEO_MODIFIES_PALETTE,
	0,
	generic_vh_start,
	generic_vh_stop,
	mcr3_vh_screenrefresh,

	/* sound hardware */
	0,0,0,0,
	{
		{
			SOUND_AY8910,
			&ay8910_interface
		}
	}
};

static struct MachineDriver timber_machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			5000000,	/* 5 Mhz */
			0,
			readmem,writemem,readport,writeport,
			mcr_interrupt,1
		},
		{
			CPU_Z80 | CPU_AUDIO_CPU,
			2000000,	/* 2 Mhz */
			2,
			timber_sound_readmem,timber_sound_writemem,0,0,
			interrupt,26
		}
	},
	30, DEFAULT_30HZ_VBLANK_DURATION,	/* frames per second, vblank duration */
	1,	/* 1 CPU slice per frame - sound CPU has enough interrupts to handle synchronization */