blueprnt.c

这个是延伸mame的在wince平台下的游戏模拟器的代码

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

Blue Print memory map (preliminary)

CPU #1
0000-4fff ROM
8000-87ff RAM
9000-93ff Video RAM
b000-b0ff Sprite RAM
f000-f3ff Color RAM

read:
c000      IN0
c001      IN1
c003      read dip switches from the second CPU

e000      Watchdog reset

write:
c000      bit 0,1 = coin counters
d000      command for the second CPU
e000      bit 1 = flip screen

CPU #2
0000-0fff ROM
2000-2fff ROM
4000-43ff RAM

read:
6002      8910 #0 read
8002      8910 #1 read

write:
6000      8910 #0 control
6001      8910 #0 write
8000      8910 #1 control
8001      8910 #1 write

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

#include "driver.h"
#include "vidhrdw/generic.h"
#include "Z80/Z80.h"



void blueprnt_flipscreen_w(int offset,int data);
void blueprnt_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);



static int dipsw;

static void dipsw_w(int offset,int data)
{
	dipsw = data;
}

int blueprnt_sh_dipsw_r(int offset)
{
	return dipsw;
}

void blueprnt_sound_command_w(int offset,int data)
{
	soundlatch_w(offset,data);
	cpu_cause_interrupt(1,Z80_NMI_INT);
}

static void blueprnt_coin_w (int offset, int data)
{
	static int lastval;

	if (lastval == data) return;
	coin_counter_w (0, data & 0x01);
	coin_counter_w (1, data & 0x02);
	lastval = data;
}



static struct MemoryReadAddress readmem[] =
{
	{ 0x0000, 0x4fff, MRA_ROM },
	{ 0x8000, 0x87ff, MRA_RAM },
	{ 0x9000, 0x93ff, MRA_RAM },
	{ 0xb000, 0xb0ff, MRA_RAM },
	{ 0xc000, 0xc000, input_port_0_r },
	{ 0xc001, 0xc001, input_port_1_r },
	{ 0xc003, 0xc003, blueprnt_sh_dipsw_r },
	{ 0xe000, 0xe000, watchdog_reset_r },
	{ 0xf000, 0xf3ff, MRA_RAM },
	{ -1 }	/* end of table */
};

static struct MemoryWriteAddress writemem[] =
{
	{ 0x0000, 0x4fff, MWA_ROM },
	{ 0x8000, 0x87ff, MWA_RAM },
	{ 0x9000, 0x93ff, videoram_w, &videoram, &videoram_size },
	{ 0xb000, 0xb0ff, MWA_RAM, &spriteram, &spriteram_size },
	{ 0xc000, 0xc000, blueprnt_coin_w },
	{ 0xd000, 0xd000, blueprnt_sound_command_w },
	{ 0xe000, 0xe000, blueprnt_flipscreen_w },
	{ 0xf000, 0xf3ff, colorram_w, &colorram },
	{ -1 }	/* end of table */
};



static struct MemoryReadAddress sound_readmem[] =
{
	{ 0x0000, 0x0fff, MRA_ROM },
	{ 0x2000, 0x2fff, MRA_ROM },
	{ 0x4000, 0x43ff, MRA_RAM },
	{ 0x6002, 0x6002, AY8910_read_port_0_r },
	{ 0x8002, 0x8002, AY8910_read_port_1_r },
	{ -1 }	/* end of table */
};

static struct MemoryWriteAddress sound_writemem[] =
{
	{ 0x0000, 0x0fff, MWA_ROM },
	{ 0x2000, 0x2fff, MWA_ROM },
	{ 0x4000, 0x43ff, MWA_RAM },
	{ 0x6000, 0x6000, AY8910_control_port_0_w },
	{ 0x6001, 0x6001, AY8910_write_port_0_w },
	{ 0x8000, 0x8000, AY8910_control_port_1_w },
	{ 0x8001, 0x8001, AY8910_write_port_1_w },
	{ -1 }	/* end of table */
};



INPUT_PORTS_START( input_ports )
	PORT_START	/* IN0 */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN1 )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START1 )
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_TILT )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT  | IPF_8WAY )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_8WAY )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP    | IPF_8WAY )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN  | IPF_8WAY )

	PORT_START	/* IN1 */
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_COIN2 )
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_START2 )
	PORT_BITX(    0x04, 0x00, IPT_DIPSWITCH_NAME | IPF_TOGGLE, "Service Mode", OSD_KEY_F2, IP_JOY_NONE, 0 )
	PORT_DIPSETTING(    0x00, "Off" )
	PORT_DIPSETTING(    0x04, "On" )
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 | IPF_COCKTAIL )
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT  | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP    | IPF_8WAY | IPF_COCKTAIL )
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN  | IPF_8WAY | IPF_COCKTAIL )

	PORT_START	/* DSW0 */
	PORT_DIPNAME( 0x01, 0x00, "Unknown 1", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Off" )
	PORT_DIPSETTING(    0x01, "On" )
	PORT_DIPNAME( 0x06, 0x00, "Bonus Life", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "20000" )
	PORT_DIPSETTING(    0x02, "30000" )
	PORT_DIPSETTING(    0x04, "40000" )
	PORT_DIPSETTING(    0x06, "50000" )
	PORT_DIPNAME( 0x08, 0x00, "Free Play", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Off" )
	PORT_DIPSETTING(    0x08, "On" )
	PORT_DIPNAME( 0x10, 0x00, "Maze Monster", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "2nd Maze" )
	PORT_DIPSETTING(    0x10, "3rd Maze" )
	PORT_DIPNAME( 0x20, 0x00, "Coin A", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "1 Coin/1 Credit" )
	PORT_DIPSETTING(    0x20, "2 Coins/1 Credit" )
	PORT_DIPNAME( 0x40, 0x40, "Coin B", IP_KEY_NONE )
	PORT_DIPSETTING(    0x40, "1 Coin/3 Credits" )
	PORT_DIPSETTING(    0x00, "1 Coin/5 Credits" )
	PORT_DIPNAME( 0x80, 0x00, "Unknown 2", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Off" )
	PORT_DIPSETTING(    0x80, "On" )

	PORT_START	/* DSW1 */
	PORT_DIPNAME( 0x03, 0x01, "Lives", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "2" )
	PORT_DIPSETTING(    0x01, "3" )
	PORT_DIPSETTING(    0x02, "4" )
	PORT_DIPSETTING(    0x03, "5" )
	PORT_DIPNAME( 0x04, 0x00, "Unknown 3", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Off" )
	PORT_DIPSETTING(    0x04, "On" )
	PORT_DIPNAME( 0x08, 0x00, "Cabinet", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Upright" )
	PORT_DIPSETTING(    0x08, "Cocktail" )
	PORT_DIPNAME( 0x30, 0x00, "Difficulty", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Easy" )
	PORT_DIPSETTING(    0x10, "Medium" )
	PORT_DIPSETTING(    0x20, "Hard" )
	PORT_DIPSETTING(    0x30, "Hardest" )
	PORT_DIPNAME( 0x40, 0x00, "Unknown 4", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Off" )
	PORT_DIPSETTING(    0x40, "On" )
	PORT_DIPNAME( 0x80, 0x00, "Unknown 5", IP_KEY_NONE )
	PORT_DIPSETTING(    0x00, "Off" )
	PORT_DIPSETTING(    0x80, "On" )
INPUT_PORTS_END



static struct GfxLayout charlayout =
{
	8,8,	/* 8*8 characters */
	512,	/* 512 characters (but only 256 are used) */
	2,	/* 2 bits per pixel */
	{ 0, 512*8*8 },	/* the bitplanes are separated */
	{ 0, 1, 2, 3, 4, 5, 6, 7 },
	{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
	8*8	/* every char takes 8 consecutive bytes */
};
static struct GfxLayout spritelayout =
{
	8,16,	/* 8*16 sprites */
	256,	/* 256 sprites */
	3,	/* 3 bits per pixel */
	{ 0, 128*16*16, 2*128*16*16 },	/* the bitplanes are separated */
	{ 0, 1, 2, 3, 4, 5, 6, 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 },
	16*8	/* every sprite takes 16 consecutive bytes */
};


static struct GfxDecodeInfo gfxdecodeinfo[] =
{
	{ 1, 0x0000, &charlayout,  0, 8 },
	{ 1, 0x2000, &spritelayout, 8*4, 1 },
	{ -1 } /* end of array */
};



static unsigned char palette[] =
{
	0x00,0x00,0x00,	/* BLACK */
	0xff,0x00,0x00, /* RED */
	0x00,0xff,0x00, /* GREEN */
	0xff,0xff,0x00, /* YELLOW */
	0x00,0x00,0xff, /* BLUE */
	0xff,0x00,0xff, /* MAGENTA */
	0x00,0xff,0xff, /* CYAN */
	0xff,0xff,0xff, /* WHITE */

	0xE0,0xE0,0xE0, /* LTGRAY */
	0xC0,0xC0,0xC0, /* DKGRAY */
	0xe0,0xb0,0x70,	/* BROWN */
	0xd0,0xa0,0x60,	/* BROWN0 */
	0xc0,0x90,0x50,	/* BROWN1 */
	0xa3,0x78,0x3a,	/* BROWN2 */
	0x80,0x60,0x20,	/* BROWN3 */
	0x54,0x40,0x14,	/* BROWN4 */
	0x54,0xa8,0xff, /* LTBLUE */
	0x00,0xa0,0x00, /* DKGREEN */
	0x00,0xe0,0x00, /* GRASSGREEN */
	0xff,0xb6,0xdb,	/* PINK */
	0x49,0xb6,0xdb,	/* DKCYAN */
	0xff,96,0x49,	/* DKORANGE */
	0xff,128,0x00,	/* ORANGE */
	0xdb,0xdb,0xdb	/* GREY */
};


static unsigned short colortable[] =
{
	0,0,0,0,
	0,7,1,3,
	0,7,4,4,
	0,1,4,5,
	0,1,17,3,
	0,4,14,7,
	0,3,3,1,
	0,4,16,7,

	0,1,2,3,4,5,6,7
};



static struct AY8910interface ay8910_interface =
{
	2,	/* 2 chips */
	1250000,	/* 1.25 MHz? (hand tuned) */
	{ 255, 255 },
	{            0, input_port_2_r },
	{ soundlatch_r, input_port_3_r },
	{ dipsw_w },
	{ 0 }
};



static struct MachineDriver machine_driver =
{
	/* basic machine hardware */
	{
		{
			CPU_Z80,
			3072000,	/* 3.072 Mhz ? */
			0,
			readmem,writemem,0,0,
			interrupt,1
		},
		{
			CPU_Z80,	/* can't use CPU_AUDIO_CPU because this CPU reads the dip switches */
			3072000,	/* 3.072 Mhz ? */
			2,	/* memory region #2 */
			sound_readmem,sound_writemem,0,0,
			interrupt,4	/* NMIs are caused by the main CPU */
		}
	},
	60, DEFAULT_60HZ_VBLANK_DURATION,	/* frames per second, vblank duration */
	1,	/* 1 CPU slice per frame - interleaving is forced when a sound command is written */
	0,

	/* video hardware */
	32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
	gfxdecodeinfo,
	sizeof(palette)/3,sizeof(colortable)/sizeof(unsigned short),
	0,

	VIDEO_TYPE_RASTER|VIDEO_SUPPORTS_DIRTY,
	0,
	generic_vh_start,
	generic_vh_stop,
	blueprnt_vh_screenrefresh,

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



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

  Game driver(s)

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

ROM_START( blueprnt_rom )
	ROM_REGION(0x10000)	/* 64k for code */
	ROM_LOAD( "1m",           0x0000, 0x1000, 0xb20069a6 )
	ROM_LOAD( "1n",           0x1000, 0x1000, 0x4a30302e )
	ROM_LOAD( "1p",           0x2000, 0x1000, 0x6866ca07 )
	ROM_LOAD( "1r",           0x3000, 0x1000, 0x5d3cfac3 )
	ROM_LOAD( "1s",           0x4000, 0x1000, 0xa556cac4 )

	ROM_REGION_DISPOSE(0x5000)	/* temporary space for graphics (disposed after conversion) */
	ROM_LOAD( "c3",           0x0000, 0x1000, 0xac2a61bc )
	ROM_LOAD( "d3",           0x1000, 0x1000, 0x81fe85d7 )
	ROM_LOAD( "d18",          0x2000, 0x1000, 0x7d622550 )
	ROM_LOAD( "d20",          0x3000, 0x1000, 0x2fcb4f26 )
	ROM_LOAD( "d17",          0x4000, 0x1000, 0xa73b6483 )

	ROM_REGION(0x10000)	/* 64k for the audio CPU */
	ROM_LOAD( "3u",           0x0000, 0x1000, 0xfd38777a )
	ROM_LOAD( "3v",           0x2000, 0x1000, 0x33d5bf5b )
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[0x8100],"\x00\x00\x00",3) == 0) &&
		(memcmp(&RAM[0x813B],"\x90\x90\x90",3) == 0))
	{
		void *f;


		if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,0)) != 0)
		{
			osd_fread(f,&RAM[0x8100],0x3E);
			osd_fclose(f);
		}

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



static void 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[0x8100],0x3E);
		osd_fclose(f);
	}

}



struct GameDriver blueprnt_driver =
{
	__FILE__,
	0,
	"blueprnt",
	"Blue Print",
	"1982",
	"Bally Midway",
	"Nicola Salmoria",
	GAME_WRONG_COLORS,
	&machine_driver,
	0,

	blueprnt_rom,
	0, 0,
	0,
	0,	/* sound_prom */

	input_ports,

	0, palette, colortable,
	ORIENTATION_ROTATE_270,

	hiload, hisave
};