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phozon.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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355 lines
/***************************************************************************
Phozon (Namco 1983)
Manuel Abadia (emumanu@hotmail.com)
Phozon Memory Map (preliminary)
CPU #1: (MAIN CPU)
0000-03ff video RAM
0400-07ff color RAM
0800-1fff shared RAM with CPU #2
4040-43ff shared RAM with CPU #3
4800-480f custom IO chip #1
4810-481f custom IO chip #2
5000-5009 ???
500a-500b CPU #3 enable
500c-500d CPU #2 enable
500e-500f ???
7000 watchdog reset
8000-9fff ROM
a000-bfff ROM
c000-dfff ROM
e000-ffff ROM
CPU #2: (SUB CPU)
0000-03ff video RAM (shared with CPU #1)
0400-07ff color RAM (shared with CPU #1)
0800-1fff shared RAM with CPU #1
a000-a7ff RAM
e000-ffff ROM
CPU #3: (SOUND CPU)
0000-0040 sound registers
0040-03ff shared RAM with CPU #1
e000-ffff ROM
TODO: cocktail mode
***************************************************************************/
#include "driver.h"
#include "vidhrdw/generic.h"
extern unsigned char *phozon_snd_sharedram;
extern unsigned char *phozon_spriteram;
extern unsigned char *phozon_customio_1, *phozon_customio_2;
extern unsigned char *mappy_soundregs;
/* memory functions */
READ_HANDLER( phozon_spriteram_r );
READ_HANDLER( phozon_snd_sharedram_r );
WRITE_HANDLER( phozon_spriteram_w );
WRITE_HANDLER( phozon_snd_sharedram_w );
/* custom IO chips & CPU functions */
READ_HANDLER( phozon_customio_1_r );
READ_HANDLER( phozon_customio_2_r );
WRITE_HANDLER( phozon_customio_1_w );
WRITE_HANDLER( phozon_customio_2_w );
WRITE_HANDLER( phozon_cpu2_enable_w );
WRITE_HANDLER( phozon_cpu3_enable_w );
WRITE_HANDLER( phozon_cpu3_reset_w );
extern void phozon_init_machine(void);
/* video functions */
extern int phozon_vh_start( void );
extern void phozon_vh_stop( void );
extern void phozon_vh_convert_color_prom(unsigned char *palette, unsigned short *colortable,const unsigned char *color_prom);
extern void phozon_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
/* CPU 1 (MAIN CPU) read addresses */
static struct MemoryReadAddress readmem_cpu1[] =
{
{ 0x0000, 0x03ff, videoram_r }, /* video RAM */
{ 0x0400, 0x07ff, colorram_r }, /* color RAM */
{ 0x0800, 0x1fff, phozon_spriteram_r }, /* shared RAM with CPU #2/sprite RAM*/
{ 0x4040, 0x43ff, phozon_snd_sharedram_r }, /* shared RAM with CPU #3 */
{ 0x4800, 0x480f, phozon_customio_1_r }, /* custom I/O chip #1 interface */
{ 0x4810, 0x481f, phozon_customio_2_r }, /* custom I/O chip #2 interface */
{ 0x8000, 0xffff, MRA_ROM }, /* ROM */
{ -1 } /* end of table */
};
/* CPU 1 (MAIN CPU) write addresses */
static struct MemoryWriteAddress writemem_cpu1[] =
{
{ 0x0000, 0x03ff, videoram_w, &videoram, &videoram_size }, /* video RAM */
{ 0x0400, 0x07ff, colorram_w, &colorram }, /* color RAM */
{ 0x0800, 0x1fff, phozon_spriteram_w, &phozon_spriteram }, /* shared RAM with CPU #2/sprite RAM*/
{ 0x4000, 0x403f, MWA_RAM }, /* initialized but probably unused */
{ 0x4040, 0x43ff, phozon_snd_sharedram_w, &phozon_snd_sharedram }, /* shared RAM with CPU #3 */
{ 0x4800, 0x480f, phozon_customio_1_w, &phozon_customio_1 }, /* custom I/O chip #1 interface */
{ 0x4810, 0x481f, phozon_customio_2_w, &phozon_customio_2 }, /* custom I/O chip #2 interface */
{ 0x4820, 0x483f, MWA_RAM }, /* initialized but probably unused */
{ 0x5000, 0x5007, MWA_NOP }, /* ??? */
{ 0x5008, 0x5008, phozon_cpu3_reset_w }, /* reset SOUND CPU? */
{ 0x5009, 0x5009, MWA_NOP }, /* ??? */
{ 0x500a, 0x500b, phozon_cpu3_enable_w }, /* SOUND CPU enable */
{ 0x500c, 0x500d, phozon_cpu2_enable_w }, /* SUB CPU enable */
{ 0x500e, 0x500f, MWA_NOP }, /* ??? */
{ 0x7000, 0x7000, watchdog_reset_w }, /* watchdog reset */
{ 0x8000, 0xffff, MWA_ROM }, /* ROM */
{ -1 } /* end of table */
};
/* CPU 2 (SUB CPU) read addresses */
static struct MemoryReadAddress readmem_cpu2[] =
{
{ 0x0000, 0x03ff, videoram_r }, /* video RAM */
{ 0x0400, 0x07ff, colorram_r }, /* color RAM */
{ 0x0800, 0x1fff, phozon_spriteram_r }, /* shared RAM with CPU #1/sprite RAM*/
{ 0xa000, 0xa7ff, MRA_RAM }, /* RAM */
{ 0xe000, 0xffff, MRA_ROM }, /* ROM */
{ -1 } /* end of table */
};
/* CPU 2 (SUB CPU) write addresses */
static struct MemoryWriteAddress writemem_cpu2[] =
{
{ 0x0000, 0x03ff, videoram_w }, /* video RAM */
{ 0x0400, 0x07ff, colorram_w }, /* color RAM */
{ 0x0800, 0x1fff, phozon_spriteram_w }, /* shared RAM with CPU #1/sprite RAM*/
{ 0xa000, 0xa7ff, MWA_RAM }, /* RAM */
{ 0xe000, 0xffff, MWA_ROM }, /* ROM */
{ -1 } /* end of table */
};
/* CPU 3 (SOUND CPU) read addresses */
static struct MemoryReadAddress readmem_cpu3[] =
{
{ 0x0000, 0x003f, MRA_RAM }, /* sound registers */
{ 0x0040, 0x03ff, phozon_snd_sharedram_r }, /* shared RAM with CPU #1 */
{ 0xe000, 0xffff, MRA_ROM }, /* ROM */
{ -1 } /* end of table */
};
/* CPU 3 (SOUND CPU) write addresses */
static struct MemoryWriteAddress writemem_cpu3[] =
{
{ 0x0000, 0x003f, mappy_sound_w, &mappy_soundregs },/* sound registers */
{ 0x0040, 0x03ff, phozon_snd_sharedram_w }, /* shared RAM with the main CPU */
{ 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( phozon )
PORT_START /* DSW0 */
PORT_DIPNAME( 0x07, 0x00, DEF_STR( Coin_A ) )
PORT_DIPSETTING( 0x07, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x05, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x06, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x03, DEF_STR( 1C_6C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 1C_7C ) )
PORT_DIPNAME( 0x18, 0x00, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x10, "1" )
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPSETTING( 0x08, "4" )
PORT_DIPSETTING( 0x18, "5" )
PORT_DIPNAME( 0x60, 0x00, DEF_STR( Coin_B ) )
PORT_DIPSETTING( 0x40, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x60, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0x20, DEF_STR( 1C_2C ) )
PORT_START /* DSW1 */
PORT_DIPNAME( 0x07, 0x00, DEF_STR( Difficulty ) )
PORT_DIPSETTING( 0x00, "0" )
PORT_DIPSETTING( 0x01, "1" )
PORT_DIPSETTING( 0x02, "2" )
PORT_DIPSETTING( 0x03, "3" )
PORT_DIPSETTING( 0x04, "4" )
PORT_DIPSETTING( 0x05, "5" )
PORT_DIPSETTING( 0x06, "6" )
PORT_DIPSETTING( 0x07, "7" )
PORT_SERVICE( 0x08, IP_ACTIVE_HIGH )
/* Todo: those are different for 4 and 5 lives */
PORT_DIPNAME( 0xc0, 0x00, DEF_STR( Bonus_Life ) )
PORT_DIPSETTING( 0xc0, "20k 80k" )
PORT_DIPSETTING( 0x40, "30k 60k" )
PORT_DIPSETTING( 0x80, "30k 120k and every 120k" )
PORT_DIPSETTING( 0x00, "30k 100k" )
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_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNKNOWN )
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_PLAYER2 )
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_PLAYER2 )
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_PLAYER2 )
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_PLAYER2, 1 )
PORT_BITX( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 | IPF_PLAYER2, 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 },
{ 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 */
128, /* 128 sprites */
2, /* 2 bits per pixel */
{ 0, 4 },
{ 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 GfxLayout spritelayout8 =
{
8,8, /* 16*16 sprites */
512, /* 128 sprites */
2, /* 2 bits per pixel */
{ 0, 4 },
{ 0, 1, 2, 3, 8*8, 8*8+1, 8*8+2, 8*8+3 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
16*8 /* every sprite takes 64 bytes */
};
static struct GfxDecodeInfo gfxdecodeinfo[] =
{
{ REGION_GFX1, 0, &charlayout, 0, 64 },
{ REGION_GFX2, 0, &charlayout, 0, 64 },
{ REGION_GFX3, 0, &spritelayout, 64*4, 64 },
{ REGION_GFX3, 0, &spritelayout8, 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 MachineDriver machine_driver_phozon =
{
/* basic machine hardware */
{
{
CPU_M6809, /* MAIN CPU */
1536000, /* same as Gaplus? */
readmem_cpu1,writemem_cpu1,0,0,
interrupt,1
},
{
CPU_M6809, /* SUB CPU */
1536000, /* same as Gaplus? */
readmem_cpu2,writemem_cpu2,0,0,
interrupt,1
},
{
CPU_M6809, /* SOUND CPU */
1536000, /* same as Gaplus? */
readmem_cpu3,writemem_cpu3,0,0,
interrupt,1
},
},
60, DEFAULT_60HZ_VBLANK_DURATION, /* frames per second, vblank duration */
100, /* a high value to ensure proper synchronization of the CPUs */
phozon_init_machine, /* init machine routine */
/* video hardware */
36*8, 28*8, { 0*8, 36*8-1, 0*8, 28*8-1 },
gfxdecodeinfo,
256,
64*4+64*8,
phozon_vh_convert_color_prom,
VIDEO_TYPE_RASTER,
0,
phozon_vh_start,
phozon_vh_stop,
phozon_vh_screenrefresh,
/* sound hardware */
0,0,0,0,
{
{
SOUND_NAMCO,
&namco_interface
}
}
};
ROM_START( phozon )
ROM_REGION( 0x10000, REGION_CPU1 ) /* 64k for code for the MAIN CPU */
ROM_LOAD( "6e.rom", 0x8000, 0x2000, 0xa6686af1 )
ROM_LOAD( "6h.rom", 0xa000, 0x2000, 0x72a65ba0 )
ROM_LOAD( "6c.rom", 0xc000, 0x2000, 0xf1fda22e )
ROM_LOAD( "6d.rom", 0xe000, 0x2000, 0xf40e6df0 )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for the SUB CPU */
ROM_LOAD( "9r.rom", 0xe000, 0x2000, 0x5d9f0a28 )
ROM_REGION( 0x10000, REGION_CPU3 ) /* 64k for the SOUND CPU */
ROM_LOAD( "3b.rom", 0xe000, 0x2000, 0x5a4b3a79 )
ROM_REGION( 0x1000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD( "7j.rom", 0x0000, 0x1000, 0x27f9db5b ) /* characters (set 1) */
ROM_REGION( 0x1000, REGION_GFX2 | REGIONFLAG_DISPOSE )
ROM_LOAD( "8j.rom", 0x0000, 0x1000, 0x15b12ef8 ) /* characters (set 2) */
ROM_REGION( 0x2000, REGION_GFX3 | REGIONFLAG_DISPOSE )
ROM_LOAD( "5t.rom", 0x0000, 0x2000, 0xd50f08f8 ) /* sprites */
ROM_REGION( 0x0520, REGION_PROMS )
ROM_LOAD( "red.prm", 0x0000, 0x0100, 0xa2880667 ) /* red palette ROM (4 bits) */
ROM_LOAD( "green.prm", 0x0100, 0x0100, 0xd6e08bef ) /* green palette ROM (4 bits) */
ROM_LOAD( "blue.prm", 0x0200, 0x0100, 0xb2d69c72 ) /* blue palette ROM (4 bits) */
ROM_LOAD( "chr.prm", 0x0300, 0x0100, 0x429e8fee ) /* characters */
ROM_LOAD( "sprite.prm", 0x0400, 0x0100, 0x9061db07 ) /* sprites */
ROM_LOAD( "palette.prm", 0x0500, 0x0020, 0x60e856ed ) /* palette (unused?) */
ROM_REGION( 0x0100, REGION_SOUND1 ) /* sound PROMs */
ROM_LOAD( "sound.prm", 0x0000, 0x0100, 0xad43688f )
ROM_END
GAMEX( 1983, phozon, 0, phozon, phozon, 0, ROT90, "Namco", "Phozon", GAME_NO_COCKTAIL )