kchamp.c

这个是延伸mame的在wince平台下的游戏模拟器的代码

        PORT_DIPSETTING(    0x40, "Off" )
        PORT_DIPSETTING(    0x00, "On" )
        PORT_DIPNAME( 0x80, 0x80, "Free Play", IP_KEY_NONE )
        PORT_DIPSETTING(    0x80, "Off" )
        PORT_DIPSETTING(    0x00, "On" )
INPUT_PORTS_END


/********************
* 1 Player Version  *
********************/

INPUT_PORTS_START( kc_input_ports )
        PORT_START      /* IN0 */
        PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_RIGHT | IPF_4WAY )
        PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_LEFT | IPF_4WAY )
        PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_UP | IPF_4WAY )
        PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_DOWN | IPF_4WAY )
        PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_RIGHT | IPF_4WAY )
        PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_LEFT | IPF_4WAY )
        PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_UP | IPF_4WAY )
        PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_DOWN | IPF_4WAY )

        PORT_START      /* IN1 */
        PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_RIGHT | IPF_PLAYER2 | IPF_4WAY )
        PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_LEFT | IPF_PLAYER2 | IPF_4WAY )
        PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_UP | IPF_PLAYER2 | IPF_4WAY )
        PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_DOWN | IPF_PLAYER2 | IPF_4WAY )
        PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_RIGHT | IPF_PLAYER2 | IPF_4WAY )
        PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_LEFT | IPF_PLAYER2 | IPF_4WAY )
        PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_UP | IPF_PLAYER2 | IPF_4WAY )
        PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_DOWN | IPF_PLAYER2 | IPF_4WAY )

        PORT_START      /* IN2 */
        PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
        PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
        PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START1 )
        PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START2 )
        PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
        PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED  )
        PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED  )
        PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED  )

        PORT_START      /* DSW0 */
        PORT_DIPNAME( 0x03, 0x03, "Coin B", IP_KEY_NONE )
        PORT_DIPSETTING(    0x00, "3 Coins/1 Credit" )
        PORT_DIPSETTING(    0x01, "2 Coins/1 Credit" )
        PORT_DIPSETTING(    0x03, "1 Coin/1 Credit" )
        PORT_DIPSETTING(    0x02, "1 Coin/2 Credits" )
        PORT_DIPNAME( 0x0c, 0x0c, "Coin A", IP_KEY_NONE )
        PORT_DIPSETTING(    0x00, "3 Coins/1 Credit" )
        PORT_DIPSETTING(    0x04, "2 Coins/1 Credit" )
        PORT_DIPSETTING(    0x0c, "1 Coin/1 Credit" )
        PORT_DIPSETTING(    0x08, "1 Coin/2 Credits" )
        PORT_DIPNAME( 0x10, 0x10, "Unknown", IP_KEY_NONE )
        PORT_DIPSETTING(    0x10, "Off" )
        PORT_DIPSETTING(    0x00, "On" )
        PORT_DIPNAME( 0x20, 0x20, "Free Play", IP_KEY_NONE )
        PORT_DIPSETTING(    0x20, "Off" )
        PORT_DIPSETTING(    0x00, "On" )
        PORT_DIPNAME( 0x40, 0x00, "Demo Sounds", IP_KEY_NONE )
        PORT_DIPSETTING(    0x40, "Off" )
        PORT_DIPSETTING(    0x00, "On" )
        PORT_DIPNAME( 0x80, 0x80, "Unknown", IP_KEY_NONE )
        PORT_DIPSETTING(    0x80, "Off" )
        PORT_DIPSETTING(    0x00, "On" )
INPUT_PORTS_END

static struct GfxLayout tilelayout =
{
	8,8,	/* tile size */
	256*8,  /* number of tiles */
	2,	/* bits per pixel */
	{ 0x4000*8, 0 }, /* plane offsets */
	{ 0,1,2,3,4,5,6,7 }, /* x offsets */
	{ 0*8,1*8,2*8,3*8,4*8,5*8,6*8,7*8 }, /* y offsets */
	8*8      /* offset to next tile */
};

static struct GfxLayout spritelayout =
{
	16,16,	/* tile size */
    512,  /* number of tiles */
	2,	/* bits per pixel */
    { 0xC000*8, 0 }, /* plane offsets */
	{ 0,1,2,3,4,5,6,7,
	  0x2000*8+0,0x2000*8+1,0x2000*8+2,0x2000*8+3,
	  0x2000*8+4,0x2000*8+5,0x2000*8+6,0x2000*8+7 }, /* x offsets */
    { 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 }, /* y offsets */
        16*8     /* ofset to next tile */
};

static struct GfxDecodeInfo gfxdecodeinfo[] =
{
        { 1, 0x18000, &tilelayout,      32*4, 32 },
        { 1, 0x08000, &spritelayout,    0, 16 },
        { 1, 0x04000, &spritelayout,    0, 16 },
        { 1, 0x00000, &spritelayout,	0, 16 },
        { -1 }
};



static int kc_interrupt( void ) {

        if ( nmi_enable )
                return Z80_NMI_INT;

        return Z80_IGNORE_INT;
}

static void msmint( int data ) {

	static int counter = 0;

	if ( msm_play_lo_nibble )
		MSM5205_data_w( 0, msm_data & 0x0f );
	else
		MSM5205_data_w( 0, ( msm_data >> 4 ) & 0x0f );

	msm_play_lo_nibble ^= 1;

	if ( !( counter ^= 1 ) ) {
		if ( sound_nmi_enable ) {
	                cpu_cause_interrupt( 1, Z80_NMI_INT );
	        }
	}
}

static struct AY8910interface ay8910_interface =
{
	2, /* 2 chips */
	1500000,     /* 12 Mhz / 8 = 1.5 Mhz */
	{ 50, 50 },
	{ 0 },
	{ 0 },
	{ 0 },
	{ 0 }
};

static struct MSM5205interface msm_interface =
{
	1,              /* 1 chips */
	3906,           /* 12Mhz / 16 / 2 / 96 = 3906.25Hz playback */
	&msmint,        /* irq */
	{ 100 }
};

/********************
* 1 Player Version  *
********************/

static int sound_int( void ) {

	if ( sound_nmi_enable )
		return Z80_NMI_INT;

	return Z80_IGNORE_INT;
}

static struct DACinterface dac_interface =
{
	1,
	{ 100 }
};


static struct MachineDriver kchampvs_machine_driver =
{
        /* basic machine hardware */
        {
                {
                        CPU_Z80,
                        3000000,        /* 12Mhz / 4 = 3.0 Mhz */
                        0,
                        readmem,writemem,readport,writeport,
                        kc_interrupt,1
                },
                {
                        CPU_Z80 | CPU_AUDIO_CPU,
                        3000000,        /* 12Mhz / 4 = 3.0 Mhz */
                        3,
                        sound_readmem,sound_writemem,sound_readport,sound_writeport,
                        ignore_interrupt, 0
                        /* irq's triggered from main cpu */
                        /* nmi's from msm5205 */
                }
        },
        60,DEFAULT_60HZ_VBLANK_DURATION,
        1,     /* Interleaving forced by interrupts */
        0, /* init machine */

        /* video hardware */
        32*8, 32*8, { 0, 32*8-1, 2*8, 30*8-1 },
        gfxdecodeinfo,
        256, /* number of colors */
        256, /* color table length */
        kchamp_vh_convert_color_prom,

        VIDEO_TYPE_RASTER | VIDEO_SUPPORTS_DIRTY,
        0,
        kchampvs_vh_start,
        generic_vh_stop,
        kchamp_vh_screenrefresh,

        /* sound hardware */
        0,0,0,0,
        {
                {
                        SOUND_AY8910,
                        &ay8910_interface
                },
                {
                        SOUND_MSM5205,
                        &msm_interface
                }
        }
};

/********************
* 1 Player Version  *
********************/

static struct MachineDriver kchamp_machine_driver =
{
        /* basic machine hardware */
        {
                {
                        CPU_Z80,
                        3000000,        /* 12Mhz / 4 = 3.0 Mhz */
                        0,
                        kc_readmem, kc_writemem, kc_readport, kc_writeport,
                        kc_interrupt,1
                },
                {
                        CPU_Z80 | CPU_AUDIO_CPU,
                        3000000,        /* 12Mhz / 4 = 3.0 Mhz */
                        3,
                        kc_sound_readmem,kc_sound_writemem,kc_sound_readport,kc_sound_writeport,
                        ignore_interrupt, 0,
                        sound_int, 125 /* Hz */
                        /* irq's triggered from main cpu */
                        /* nmi's from 125 Hz clock */
                }
        },
        60,DEFAULT_60HZ_VBLANK_DURATION,
        1,     /* Interleaving forced by interrupts */
        0, /* init machine */

        /* video hardware */
        32*8, 32*8, { 0, 32*8-1, 2*8, 30*8-1 },
        gfxdecodeinfo,
        256, /* number of colors */
        256, /* color table length */
        kchamp_vh_convert_color_prom,

        VIDEO_TYPE_RASTER | VIDEO_SUPPORTS_DIRTY,
        0,
        kchamp1p_vh_start,
        generic_vh_stop,
        kchamp_vh_screenrefresh,

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


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

  Game driver(s)

***************************************************************************/
ROM_START( kchampvs_rom )
        ROM_REGION(0x10000)     /* 64k for code */
        ROM_LOAD( "bs24", 0x0000, 0x2000, 0x829da69b )
        ROM_LOAD( "bs23", 0x2000, 0x2000, 0x091f810e )
        ROM_LOAD( "bs22", 0x4000, 0x2000, 0xd4df2a52 )
        ROM_LOAD( "bs21", 0x6000, 0x2000, 0x3d4ef0da )
        ROM_LOAD( "bs20", 0x8000, 0x2000, 0x623a467b )
        ROM_LOAD( "bs19", 0xa000, 0x4000, 0x43e196c4 )

        ROM_REGION_DISPOSE(0x20000)
        ROM_LOAD( "bs00", 0x00000, 0x2000, 0x51eda56c )  /* top, plane0 */ /* sprites */
        ROM_LOAD( "bs06", 0x02000, 0x2000, 0x593264cf )  /* bot, plane0 */ /* sprites */
        ROM_LOAD( "bs01", 0x04000, 0x2000, 0xb4842ea9 )  /* top, plane0 */ /* sprites */
        ROM_LOAD( "bs07", 0x06000, 0x2000, 0x8cd166a5 )  /* bot, plane0 */ /* sprites */
        ROM_LOAD( "bs02", 0x08000, 0x2000, 0x4cbd3aa3 )  /* top, plane0 */ /* sprites */
        ROM_LOAD( "bs08", 0x0A000, 0x2000, 0x6be342a6 )  /* bot, plane0 */ /* sprites */
        ROM_LOAD( "bs03", 0x0C000, 0x2000, 0x8dcd271a )  /* top, plane1 */ /* sprites */
        ROM_LOAD( "bs09", 0x0E000, 0x2000, 0x4ee1dba7 )  /* bot, plane1 */ /* sprites */