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cchasm.c
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C/C++ Source or Header
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2000-04-04
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8KB
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265 lines
/*
* Cosmic Chasm driver
*
* Jul 15 1999 by Mathis Rosenhauer
*
*/
#include "driver.h"
#include "vidhrdw/vector.h"
#include "machine/z80fmly.h"
/* from machine/cchasm.c */
READ_HANDLER( cchasm_6840_r );
WRITE_HANDLER( cchasm_6840_w );
WRITE_HANDLER( cchasm_led_w );
WRITE_HANDLER( cchasm_watchdog_w );
/* from vidhrdw/cchasm.c */
WRITE_HANDLER( cchasm_refresh_control_w );
void cchasm_init_colors (unsigned char *palette, unsigned short *colortable,const unsigned char *color_prom);
int cchasm_vh_start (void);
void cchasm_vh_stop (void);
extern UINT8 *cchasm_ram;
/* from sndhrdw/cchasm.c */
WRITE_HANDLER( cchasm_io_w );
READ_HANDLER( cchasm_io_r );
READ_HANDLER( cchasm_snd_io_r );
WRITE_HANDLER( cchasm_snd_io_w );
int cchasm_sh_start(const struct MachineSound *msound);
void cchasm_sh_update(void);
static struct MemoryReadAddress readmem[] =
{
{ 0x000000, 0x00ffff, MRA_ROM },
{ 0x040000, 0x04000f, cchasm_6840_r },
{ 0x060000, 0x060001, input_port_0_r },
{ 0xf80000, 0xf800ff, cchasm_io_r },
{ 0xffb000, 0xffffff, MRA_BANK1 },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress writemem[] =
{
{ 0x000000, 0x00ffff, MWA_ROM },
{ 0x040000, 0x04000f, cchasm_6840_w },
{ 0x050000, 0x050001, cchasm_refresh_control_w },
{ 0x060000, 0x060001, cchasm_led_w },
{ 0x070000, 0x070001, cchasm_watchdog_w },
{ 0xf80000, 0xf800ff, cchasm_io_w },
{ 0xffb000, 0xffffff, MWA_BANK1, &cchasm_ram },
{ -1 } /* end of table */
};
static struct MemoryReadAddress sound_readmem[] =
{
{ 0x0000, 0x0fff, MRA_ROM },
{ 0x4000, 0x43ff, MRA_RAM },
{ 0x5000, 0x53ff, MRA_RAM },
{ 0x6000, 0x6fff, cchasm_snd_io_r },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress sound_writemem[] =
{
{ 0x0000, 0x0fff, MWA_ROM },
{ 0x4000, 0x43ff, MWA_RAM },
{ 0x5000, 0x53ff, MWA_RAM },
{ 0x6000, 0x6fff, cchasm_snd_io_w },
{ -1 } /* end of table */
};
static struct IOReadPort sound_readport[] =
{
{ 0x00, 0x03, z80ctc_0_r },
{ -1 } /* end of table */
};
static struct IOWritePort sound_writeport[] =
{
{ 0x00, 0x03, z80ctc_0_w },
{ -1 } /* end of table */
};
INPUT_PORTS_START( cchasm )
PORT_START /* DSW */
PORT_DIPNAME( 0x01, 0x01, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x01, "3" )
PORT_DIPSETTING( 0x00, "5" )
PORT_DIPNAME( 0x06, 0x06, DEF_STR( Bonus_Life ) )
PORT_DIPSETTING( 0x06, "40000" )
PORT_DIPSETTING( 0x04, "60000" )
PORT_DIPSETTING( 0x02, "80000" )
PORT_DIPSETTING( 0x00, "100000" )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Difficulty ) )
PORT_DIPSETTING( 0x00, "Easy" )
PORT_DIPSETTING( 0x08, "Hard" )
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Bonus_Life ) )
PORT_DIPSETTING( 0x00, "Once" )
PORT_DIPSETTING( 0x10, "Every" )
PORT_DIPNAME( 0x20, 0x00, DEF_STR( Demo_Sounds ) )
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x00, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x40, DEF_STR( 1C_1C ) )
PORT_SERVICE( 0x80, IP_ACTIVE_LOW )
PORT_START /* IN1 */
PORT_ANALOG( 0xff, 0, IPT_DIAL, 100, 10, 0, 0)
PORT_START /* IN2 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON3 )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )
PORT_START /* IN3 */
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN3 )
PORT_BITX(0x01, IP_ACTIVE_LOW, 0, "Test 1", KEYCODE_F1, IP_JOY_NONE )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNUSED ) /* Test 2, not used in cchasm */
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNUSED ) /* Test 3, not used in cchasm */
INPUT_PORTS_END
static struct AY8910interface ay8910_interface =
{
2, /* 2 chips */
1818182, /* 1.82 MHz */
{ 20, 20 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 },
{ 0, 0 }
};
static struct CustomSound_interface custom_interface =
{
cchasm_sh_start,
0,
cchasm_sh_update
};
static Z80_DaisyChain daisy_chain[] =
{
{ z80ctc_reset, z80ctc_interrupt, z80ctc_reti, 0 }, /* CTC number 0 */
{ 0,0,0,-1} /* end mark */
};
static struct MachineDriver machine_driver_cchasm =
{
/* basic machine hardware */
{
{
CPU_M68000,
8000000, /* 8 MHz (from schematics) */
readmem, writemem,0,0,
0,0
},
{
CPU_Z80,
3584229, /* 3.58 MHz (from schematics) */
sound_readmem,sound_writemem,sound_readport,sound_writeport,
0,0,
0,0,daisy_chain
}
},
40, 0, /* frames per second, vblank duration (vector game, so no vblank) */
1,
0,
/* video hardware */
400, 300, { 0, 1024-1, 0, 768-1 },
0,
256, 256,
cchasm_init_colors,
VIDEO_TYPE_VECTOR,
0,
cchasm_vh_start,
cchasm_vh_stop,
vector_vh_update,
/* sound hardware */
0,0,0,0,
{
{
SOUND_AY8910,
&ay8910_interface
},
{
SOUND_CUSTOM,
&custom_interface
}
}
};
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( cchasm )
ROM_REGION( 0x010000, REGION_CPU1 )
ROM_LOAD_EVEN( "chasm.u4", 0x000000, 0x001000, 0x19244f25 )
ROM_LOAD_ODD ( "chasm.u12", 0x000000, 0x001000, 0x5d702c7d )
ROM_LOAD_EVEN( "chasm.u8", 0x002000, 0x001000, 0x56a7ce8a )
ROM_LOAD_ODD ( "chasm.u16", 0x002000, 0x001000, 0x2e192db0 )
ROM_LOAD_EVEN( "chasm.u3", 0x004000, 0x001000, 0x9c71c600 )
ROM_LOAD_ODD ( "chasm.u11", 0x004000, 0x001000, 0xa4eb59a5 )
ROM_LOAD_EVEN( "chasm.u7", 0x006000, 0x001000, 0x8308dd6e )
ROM_LOAD_ODD ( "chasm.u15", 0x006000, 0x001000, 0x9d3abf97 )
ROM_LOAD_EVEN( "u2", 0x008000, 0x001000, 0x4e076ae7 )
ROM_LOAD_ODD ( "u10", 0x008000, 0x001000, 0xcc9e19ca )
ROM_LOAD_EVEN( "chasm.u6", 0x00a000, 0x001000, 0xa96525d2 )
ROM_LOAD_ODD ( "chasm.u14", 0x00a000, 0x001000, 0x8e426628 )
ROM_LOAD_EVEN( "u1", 0x00c000, 0x001000, 0x88b71027 )
ROM_LOAD_ODD ( "chasm.u9", 0x00c000, 0x001000, 0xd90c9773 )
ROM_LOAD_EVEN( "chasm.u5", 0x00e000, 0x001000, 0xe4a58b7d )
ROM_LOAD_ODD ( "chasm.u13", 0x00e000, 0x001000, 0x877e849c )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for the audio CPU */
ROM_LOAD( "2732.bin", 0x0000, 0x1000, 0x715adc4a )
ROM_END
ROM_START( cchasm1 )
ROM_REGION( 0x010000, REGION_CPU1 )
ROM_LOAD_EVEN( "chasm.u4", 0x000000, 0x001000, 0x19244f25 )
ROM_LOAD_ODD ( "chasm.u12", 0x000000, 0x001000, 0x5d702c7d )
ROM_LOAD_EVEN( "chasm.u8", 0x002000, 0x001000, 0x56a7ce8a )
ROM_LOAD_ODD ( "chasm.u16", 0x002000, 0x001000, 0x2e192db0 )
ROM_LOAD_EVEN( "chasm.u3", 0x004000, 0x001000, 0x9c71c600 )
ROM_LOAD_ODD ( "chasm.u11", 0x004000, 0x001000, 0xa4eb59a5 )
ROM_LOAD_EVEN( "chasm.u7", 0x006000, 0x001000, 0x8308dd6e )
ROM_LOAD_ODD ( "chasm.u15", 0x006000, 0x001000, 0x9d3abf97 )
ROM_LOAD_EVEN( "chasm.u2", 0x008000, 0x001000, 0x008b26ef )
ROM_LOAD_ODD ( "chasm.u10", 0x008000, 0x001000, 0xc2c532a3 )
ROM_LOAD_EVEN( "chasm.u6", 0x00a000, 0x001000, 0xa96525d2 )
ROM_LOAD_ODD ( "chasm.u14", 0x00a000, 0x001000, 0x8e426628 )
ROM_LOAD_EVEN( "chasm.u1", 0x00c000, 0x001000, 0xe02293f8 )
ROM_LOAD_ODD ( "chasm.u9", 0x00c000, 0x001000, 0xd90c9773 )
ROM_LOAD_EVEN( "chasm.u5", 0x00e000, 0x001000, 0xe4a58b7d )
ROM_LOAD_ODD ( "chasm.u13", 0x00e000, 0x001000, 0x877e849c )
ROM_REGION( 0x1000, REGION_CPU2 ) /* 4k for the audio CPU */
ROM_LOAD( "2732.bin", 0x0000, 0x1000, 0x715adc4a )
ROM_END
GAME( 1983, cchasm, 0, cchasm, cchasm, 0, ROT270, "Cinematronics / GCE", "Cosmic Chasm (set 1)" )
GAME( 1983, cchasm1, cchasm, cchasm, cchasm, 0, ROT270, "Cinematronics / GCE", "Cosmic Chasm (set 2)" )