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grobda.c
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C/C++ Source or Header
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2000-04-04
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13KB
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346 lines
/***************************************************************************
Grobda (c) Namco 1984
Driver by Manuel Abadia <manu@teleline.es>
***************************************************************************/
#include "driver.h"
#include "vidhrdw/generic.h"
extern unsigned char *grobda_snd_sharedram;
extern unsigned char *grobda_spriteram;
extern unsigned char *grobda_customio_1, *grobda_customio_2;
extern unsigned char *mappy_soundregs;
/* memory functions */
READ_HANDLER( grobda_snd_sharedram_r );
WRITE_HANDLER( grobda_snd_sharedram_w );
/* custom IO chips functions */
WRITE_HANDLER( grobda_customio_1_w );
WRITE_HANDLER( grobda_customio_2_w );
READ_HANDLER( grobda_customio_1_r );
READ_HANDLER( grobda_customio_2_r );
/* INT functions */
int grobda_interrupt_1(void);
int grobda_interrupt_2(void);
WRITE_HANDLER( grobda_cpu2_enable_w );
WRITE_HANDLER( grobda_interrupt_ctrl_1_w );
WRITE_HANDLER( grobda_interrupt_ctrl_2_w );
void grobda_init_machine(void);
/* video functions */
int grobda_vh_start( void );
void grobda_vh_stop( void );
void grobda_vh_convert_color_prom(unsigned char *palette, unsigned short *colortable,const unsigned char *color_prom);
void grobda_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
WRITE_HANDLER( grobda_flipscreen_w );
static WRITE_HANDLER( grobda_DAC_w )
{
DAC_data_w(0, (data << 4) | data);
}
static struct MemoryReadAddress readmem_cpu1[] =
{
{ 0x0000, 0x03ff, videoram_r }, /* video RAM */
{ 0x0400, 0x07ff, colorram_r }, /* color RAM */
{ 0x0800, 0x1fff, MRA_RAM }, /* RAM & sprite RAM */
{ 0x4040, 0x43ff, grobda_snd_sharedram_r }, /* shared RAM with CPU #2 */
{ 0x4800, 0x480f, grobda_customio_1_r }, /* custom I/O chip #1 interface */
{ 0x4810, 0x481f, grobda_customio_2_r }, /* custom I/O chip #2 interface */
{ 0xa000, 0xffff, MRA_ROM }, /* ROM */
{ -1 }
};
static struct MemoryWriteAddress writemem_cpu1[] =
{
{ 0x0000, 0x03ff, videoram_w, &videoram, &videoram_size }, /* video RAM */
{ 0x0400, 0x07ff, colorram_w, &colorram }, /* color RAM */
{ 0x0800, 0x1fff, MWA_RAM, &grobda_spriteram }, /* RAM & sprite RAM */
{ 0x2000, 0x2000, grobda_flipscreen_w }, /* flip screen */
{ 0x4040, 0x43ff, grobda_snd_sharedram_w }, /* shared RAM with CPU #2 */
{ 0x4800, 0x480f, grobda_customio_1_w, &grobda_customio_1 }, /* custom I/O chip #1 interface */
{ 0x4810, 0x481f, grobda_customio_2_w, &grobda_customio_2 }, /* custom I/O chip #2 interface */
{ 0x5002, 0x5003, grobda_interrupt_ctrl_1_w }, /* Interrupt control */
// { 0x5008, 0x5009, MWA_NOP }, /* ??? */
{ 0x500a, 0x500b, grobda_cpu2_enable_w }, /* sound CPU enable? */
{ 0x8000, 0x8000, watchdog_reset_w }, /* watchdog reset */
{ 0xa000, 0xffff, MWA_ROM }, /* ROM */
{ -1 }
};
static struct MemoryReadAddress readmem_cpu2[] =
{
{ 0x0000, 0x003f, MRA_RAM }, /* sound registers */
{ 0x0040, 0x03ff, MRA_RAM }, /* shared RAM with CPU #1 */
{ 0xe000, 0xffff, MRA_ROM }, /* ROM */
{ -1 }
};
static struct MemoryWriteAddress writemem_cpu2[] =
{
{ 0x0002, 0x0002, grobda_DAC_w }, /* $12, $22 and $32 are DAC locations as well */
{ 0x0000, 0x003f, mappy_sound_w, &mappy_soundregs },/* sound registers */
{ 0x0040, 0x03ff, MWA_RAM, &grobda_snd_sharedram }, /* shared RAM with the main CPU */
{ 0x2000, 0x2001, grobda_interrupt_ctrl_2_w }, /* Interrupt control */
{ 0x2006, 0x2007, mappy_sound_enable_w }, /* sound enable? */
{ 0xe000, 0xffff, MWA_ROM }, /* ROM */
{ -1 } /* end of table */
};
/* The dipswitches and player inputs are not memory mapped, they are handled by an I/O chip. */
INPUT_PORTS_START( grobda )
PORT_START /* DSW0 */
PORT_DIPNAME( 0x07, 0x03, DEF_STR( Coin_A ) )
PORT_DIPSETTING( 0x07, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x06, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x03, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x05, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_4C ) )
PORT_DIPNAME( 0x18, 0x00, DEF_STR( Difficulty ) )
PORT_DIPSETTING( 0x00, "a" )
PORT_DIPSETTING( 0x08, "b" )
PORT_DIPSETTING( 0x10, "c" )
PORT_DIPSETTING( 0x18, "d" )
PORT_DIPNAME( 0xe0, 0x60, DEF_STR( Coin_B ) )
PORT_DIPSETTING( 0xe0, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0xc0, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x60, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0xa0, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0x40, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x20, DEF_STR( 1C_4C ) )
PORT_START /* DSW1 */
PORT_DIPNAME( 0x03, 0x00, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x01, "1" )
PORT_DIPSETTING( 0x02, "2" )
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPSETTING( 0x03, "5" )
PORT_DIPNAME( 0x04, 0x04, "Select Mode" )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_SERVICE( 0x08, IP_ACTIVE_HIGH )
PORT_DIPNAME( 0xc0, 0xc0, DEF_STR( Bonus_Life ) )
PORT_DIPSETTING( 0xc0, "10k 50k and every 50k" )
PORT_DIPSETTING( 0x80, "10k 30k" )
PORT_DIPSETTING( 0x00, "10k" )
PORT_DIPSETTING( 0x40, "none" )
PORT_START /* IN0 */
PORT_BIT_IMPULSE( 0x01, IP_ACTIVE_HIGH, IPT_START1, 1 )
PORT_BIT_IMPULSE( 0x02, IP_ACTIVE_HIGH, IPT_START2, 1 )
PORT_BIT_IMPULSE( 0x10, IP_ACTIVE_HIGH, IPT_COIN1, 1 )
PORT_BIT_IMPULSE( 0x20, IP_ACTIVE_HIGH, IPT_COIN2, 1 )
PORT_DIPNAME( 0x40, 0x00, DEF_STR( Demo_Sounds ) )
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Cabinet ) )
PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x80, DEF_STR( Cocktail ) )
PORT_START /* IN1 */
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP | IPF_8WAY )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_8WAY )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN | IPF_8WAY )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT | IPF_8WAY )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP | 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_DOWN | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL )
PORT_START /* IN2 */
PORT_BIT_IMPULSE( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1, 1 )
PORT_BITX( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1, 0, IP_KEY_PREVIOUS, IP_JOY_PREVIOUS )
PORT_BIT_IMPULSE( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 | IPF_COCKTAIL, 1 )
PORT_BITX( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 | IPF_COCKTAIL, 0, IP_KEY_PREVIOUS, IP_JOY_PREVIOUS )
PORT_BIT_IMPULSE( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON2, 1 )
PORT_BITX( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2, 0, IP_KEY_PREVIOUS, IP_JOY_PREVIOUS )
PORT_BIT_IMPULSE( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON2 | IPF_COCKTAIL, 1 )
PORT_BITX( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON2 | IPF_COCKTAIL, 0, IP_KEY_PREVIOUS, IP_JOY_PREVIOUS )
INPUT_PORTS_END
static struct GfxLayout charlayout =
{
8,8, /* 8*8 characters */
256, /* 256 characters */
2, /* 2 bits per pixel */
{ 0, 4 }, /* the bitplanes are packed into one byte */
{ 8*8+0, 8*8+1, 8*8+2, 8*8+3, 0, 1, 2, 3 }, /* bits are packed in groups of four */
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, /* characters are rotated 90 degrees */
16*8 /* every char takes 16 bytes */
};
static struct GfxLayout spritelayout =
{
16,16, /* 16*16 sprites */
256, /* 128 sprites */
2, /* 2 bits per pixel */
{ 0, 4 }, /* the bitplanes are packed into one byte */
{ 0, 1, 2, 3, 8*8, 8*8+1, 8*8+2, 8*8+3,
16*8+0, 16*8+1, 16*8+2, 16*8+3, 24*8+0, 24*8+1, 24*8+2, 24*8+3 },
{ 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 /* every sprite takes 64 bytes */
};
static struct GfxDecodeInfo gfxdecodeinfo[] =
{
{ REGION_GFX1, 0, &charlayout, 0, 64 },
{ REGION_GFX2, 0, &spritelayout, 64*4, 64 },
{ -1 } /* end of table */
};
static struct namco_interface namco_interface =
{
23920, /* sample rate (approximate value) */
8, /* number of voices */
100, /* playback volume */
REGION_SOUND1 /* memory region */
};
static struct DACinterface dac_interface =
{
1,
{ 55 }
};
static struct MachineDriver machine_driver_grobda =
{
/* basic machine hardware */
{
{
CPU_M6809, /* MAIN CPU */
1500000, /* 1.5 MHz? */
readmem_cpu1,writemem_cpu1,0,0,
grobda_interrupt_1,1
},
{
CPU_M6809, /* SOUND CPU */
1500000, /* 1.5 MHz? */
readmem_cpu2,writemem_cpu2,0,0,
grobda_interrupt_2,1
},
},
60, DEFAULT_60HZ_VBLANK_DURATION, /* frames per second, vblank duration */
100, /* a high value to ensure proper synchronization of the CPUs */
grobda_init_machine,
/* video hardware */
36*8, 28*8, { 0*8, 36*8-1, 0*8, 28*8-1 },
gfxdecodeinfo,
32,
4*(64+64),
grobda_vh_convert_color_prom,
VIDEO_TYPE_RASTER,
0,
grobda_vh_start,
grobda_vh_stop,
grobda_vh_screenrefresh,
/* sound hardware */
0,0,0,0,
{
{
SOUND_NAMCO,
&namco_interface
},
{
SOUND_DAC,
&dac_interface
}
}
};
ROM_START( grobda )
ROM_REGION( 0x10000, REGION_CPU1 ) /* 64k for code for the first CPU */
ROM_LOAD( "gr2-3", 0xa000, 0x2000, 0x8e3a23be )
ROM_LOAD( "gr2-2", 0xc000, 0x2000, 0x19ffa83d )
ROM_LOAD( "gr2-1", 0xe000, 0x2000, 0x0089b13a )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for the second CPU */
ROM_LOAD( "gr1-4.k1", 0xe000, 0x2000, 0x3fe78c08 )
ROM_REGION( 0x1000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD( "gr1-7.c3", 0x0000, 0x1000, 0x4ebfabfd ) /* characters */
ROM_REGION( 0x4000, REGION_GFX2 | REGIONFLAG_DISPOSE )
ROM_LOAD( "gr1-5.f3", 0x0000, 0x2000, 0xeed43487 ) /* sprites */
ROM_LOAD( "gr1-6.e3", 0x2000, 0x2000, 0xcebb7362 ) /* sprites */
ROM_REGION( 0x0220, REGION_PROMS )
ROM_LOAD( "82s123.4c", 0x0000, 0x0020, 0xc65efa77 ) /* palette */
ROM_LOAD( "mb7052.4e", 0x0020, 0x0100, 0xa0f66911 ) /* characters */
ROM_LOAD( "mb7052.3l", 0x0120, 0x0100, 0xf1f2c234 ) /* sprites */
ROM_REGION( 0x0100, REGION_SOUND1 ) /* sound prom */
ROM_LOAD( "mb7052.3m", 0x0000, 0x0100, 0x66eb1467 )
ROM_END
ROM_START( grobda2 )
ROM_REGION( 0x10000, REGION_CPU1 ) /* 64k for code for the first CPU */
ROM_LOAD( "gr1-3.d1", 0xa000, 0x2000, 0x4ef4a7c1 )
ROM_LOAD( "gr2-2.a", 0xc000, 0x2000, 0xf93e82ae )
ROM_LOAD( "gr1-1.b1", 0xe000, 0x2000, 0x32d42f22 )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for the second CPU */
ROM_LOAD( "gr1-4.k1", 0xe000, 0x2000, 0x3fe78c08 )
ROM_REGION( 0x1000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD( "gr1-7.c3", 0x0000, 0x1000, 0x4ebfabfd ) /* characters */
ROM_REGION( 0x4000, REGION_GFX2 | REGIONFLAG_DISPOSE )
ROM_LOAD( "gr1-5.f3", 0x0000, 0x2000, 0xeed43487 ) /* sprites */
ROM_LOAD( "gr1-6.e3", 0x2000, 0x2000, 0xcebb7362 ) /* sprites */
ROM_REGION( 0x0220, REGION_PROMS )
ROM_LOAD( "82s123.4c", 0x0000, 0x0020, 0xc65efa77 ) /* palette */
ROM_LOAD( "mb7052.4e", 0x0020, 0x0100, 0xa0f66911 ) /* characters */
ROM_LOAD( "mb7052.3l", 0x0120, 0x0100, 0xf1f2c234 ) /* sprites */
ROM_REGION( 0x0100, REGION_SOUND1 ) /* sound prom */
ROM_LOAD( "mb7052.3m", 0x0000, 0x0100, 0x66eb1467 )
ROM_END
ROM_START( grobda3 )
ROM_REGION( 0x10000, REGION_CPU1 ) /* 64k for code for the first CPU */
ROM_LOAD( "gr1-3.d1", 0xa000, 0x2000, 0x4ef4a7c1 )
ROM_LOAD( "gr1-2.c1", 0xc000, 0x2000, 0x7dcc6e8e )
ROM_LOAD( "gr1-1.b1", 0xe000, 0x2000, 0x32d42f22 )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for the second CPU */
ROM_LOAD( "gr1-4.k1", 0xe000, 0x2000, 0x3fe78c08 )
ROM_REGION( 0x1000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD( "gr1-7.c3", 0x0000, 0x1000, 0x4ebfabfd ) /* characters */
ROM_REGION( 0x4000, REGION_GFX2 | REGIONFLAG_DISPOSE )
ROM_LOAD( "gr1-5.f3", 0x0000, 0x2000, 0xeed43487 ) /* sprites */
ROM_LOAD( "gr1-6.e3", 0x2000, 0x2000, 0xcebb7362 ) /* sprites */
ROM_REGION( 0x0220, REGION_PROMS )
ROM_LOAD( "82s123.4c", 0x0000, 0x0020, 0xc65efa77 ) /* palette */
ROM_LOAD( "mb7052.4e", 0x0020, 0x0100, 0xa0f66911 ) /* characters */
ROM_LOAD( "mb7052.3l", 0x0120, 0x0100, 0xf1f2c234 ) /* sprites */
ROM_REGION( 0x0100, REGION_SOUND1 ) /* sound prom */
ROM_LOAD( "mb7052.3m", 0x0000, 0x0100, 0x66eb1467 )
ROM_END
GAME( 1984, grobda, 0, grobda, grobda, 0, ROT90, "Namco", "Grobda (New version)" )
GAME( 1984, grobda2, grobda, grobda, grobda, 0, ROT90, "Namco", "Grobda (Old version set 1)" )
GAME( 1984, grobda3, grobda, grobda, grobda, 0, ROT90, "Namco", "Grobda (Old version set 2)" )