/*******************************************************************************
Mouser
Driver by Frank Palazzolo (palazzol@comcast.net)
- This driver was done with only flyer shots to go by.
- Colors are a good guess (might be perfect)
- Clock and interrupt speeds for the sound CPU is a guess, but seem
reasonable, especially because the graphics seem to be synched
- Sprite priorities are unknown
*******************************************************************************/
#include "driver.h"
#include "deprecat.h"
#include "sound/ay8910.h"
static UINT8 mouser_sound_byte;
static UINT8 mouser_nmi_enable;
/* From "video/mouser.c" */
PALETTE_INIT( mouser );
WRITE8_HANDLER( mouser_flip_screen_x_w );
WRITE8_HANDLER( mouser_flip_screen_y_w );
WRITE8_HANDLER( mouser_spriteram_w );
WRITE8_HANDLER( mouser_colorram_w );
VIDEO_UPDATE( mouser );
/* Mouser has external masking circuitry around
* the NMI input on the main CPU */
static WRITE8_HANDLER( mouser_nmi_enable_w )
{
mouser_nmi_enable = data;
}
static INTERRUPT_GEN( mouser_nmi_interrupt )
{
if ((mouser_nmi_enable & 1) == 1)
nmi_line_pulse(machine, cpunum);
}
/* Sound CPU interrupted on write */
static WRITE8_HANDLER( mouser_sound_interrupt_w )
{
mouser_sound_byte = data;
cpunum_set_input_line(machine, 1, 0, HOLD_LINE);
}
static READ8_HANDLER( mouser_sound_byte_r )
{
return mouser_sound_byte;
}
static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x5fff) AM_READ(SMH_ROM)
AM_RANGE(0x6000, 0x6bff) AM_READ(SMH_RAM)
AM_RANGE(0x9000, 0x93ff) AM_READ(SMH_RAM)
AM_RANGE(0xa000, 0xa000) AM_READ_PORT("P1")
AM_RANGE(0xa800, 0xa800) AM_READ_PORT("SYSTEM")
AM_RANGE(0xb000, 0xb000) AM_READ_PORT("DSW")
AM_RANGE(0xb800, 0xb800) AM_READ_PORT("P2")
ADDRESS_MAP_END
static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x5fff) AM_WRITE(SMH_ROM)
AM_RANGE(0x6000, 0x6bff) AM_WRITE(SMH_RAM)
AM_RANGE(0x8800, 0x88ff) AM_WRITE(SMH_NOP) /* unknown */
AM_RANGE(0x9000, 0x93ff) AM_WRITE(SMH_RAM) AM_BASE(&videoram) AM_SIZE(&videoram_size)
AM_RANGE(0x9800, 0x9cff) AM_WRITE(SMH_RAM) AM_BASE(&spriteram) AM_SIZE(&spriteram_size)
AM_RANGE(0x9c00, 0x9fff) AM_WRITE(SMH_RAM) AM_BASE(&colorram)
AM_RANGE(0xa000, 0xa000) AM_WRITE(mouser_nmi_enable_w) /* bit 0 = NMI Enable */
AM_RANGE(0xa001, 0xa001) AM_WRITE(mouser_flip_screen_x_w)
AM_RANGE(0xa002, 0xa002) AM_WRITE(mouser_flip_screen_y_w)
AM_RANGE(0xb800, 0xb800) AM_WRITE(mouser_sound_interrupt_w) /* byte to sound cpu */
ADDRESS_MAP_END
static ADDRESS_MAP_START( readmem2, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x1fff) AM_READ(SMH_ROM)
AM_RANGE(0x2000, 0x23ff) AM_READ(SMH_RAM)
AM_RANGE(0x3000, 0x3000) AM_READ(mouser_sound_byte_r)
ADDRESS_MAP_END
static ADDRESS_MAP_START( writemem2, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x1fff) AM_WRITE(SMH_ROM)
AM_RANGE(0x2000, 0x23ff) AM_WRITE(SMH_RAM)
AM_RANGE(0x4000, 0x4000) AM_WRITE(SMH_NOP) /* watchdog? */
ADDRESS_MAP_END
static ADDRESS_MAP_START( io_map_2, ADDRESS_SPACE_IO, 8 )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x00) AM_WRITE(ay8910_write_port_0_w)
AM_RANGE(0x01, 0x01) AM_WRITE(ay8910_control_port_0_w)
AM_RANGE(0x80, 0x80) AM_WRITE(ay8910_write_port_1_w)
AM_RANGE(0x81, 0x81) AM_WRITE(ay8910_control_port_1_w)
ADDRESS_MAP_END
static INPUT_PORTS_START( mouser )
PORT_START("SYSTEM")
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_DIPNAME( 0x20, 0x00, DEF_STR( Difficulty ) ) /* guess ! - check code at 0x29a1 */
PORT_DIPSETTING( 0x00, DEF_STR( Normal ) )
PORT_DIPSETTING( 0x20, DEF_STR( Hard ) )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("P1")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY
PORT_START("P2")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_COCKTAIL
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL
PORT_START("DSW")
PORT_DIPNAME( 0x03, 0x00, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x00, "3" )
PORT_DIPSETTING( 0x01, "4" )
PORT_DIPSETTING( 0x02, "5" )
PORT_DIPSETTING( 0x03, "6" )
PORT_DIPNAME( 0x0c, 0x00, DEF_STR( Bonus_Life ) )
PORT_DIPSETTING( 0x00, "20000" )
PORT_DIPSETTING( 0x04, "40000" )
PORT_DIPSETTING( 0x08, "60000" )
PORT_DIPSETTING( 0x0c, "80000" )
PORT_DIPNAME( 0x70, 0x00, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x70, DEF_STR( 5C_1C ) )
PORT_DIPSETTING( 0x50, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x30, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x10, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x20, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x40, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x60, DEF_STR( 1C_4C ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Cabinet ) )
PORT_DIPSETTING( 0x80, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x00, DEF_STR( Cocktail ) )
INPUT_PORTS_END
static const gfx_layout charlayout =
{
8,8, /* 8*8 characters */
1024, /* 1024 characters */
2, /* 2 bits per pixel */
{ 8192*8, 0 },
{0, 1, 2, 3, 4, 5, 6, 7},
{8*0, 8*1, 8*2, 8*3, 8*4, 8*5, 8*6, 8*7},
8*8
};
static const gfx_layout spritelayout =
{
16,16, /* 16*16 characters */
64, /* 64 sprites (2 banks) */
2, /* 2 bits per pixel */
{ 8192*8, 0 },
{0, 1, 2, 3, 4, 5, 6, 7,
64+0, 64+1, 64+2, 64+3, 64+4, 64+5, 64+6, 64+7},
{8*0, 8*1, 8*2, 8*3, 8*4, 8*5, 8*6, 8*7,
128+8*0, 128+8*1, 128+8*2, 128+8*3, 128+8*4, 128+8*5, 128+8*6, 128+8*7},
16*16
};
static GFXDECODE_START( mouser )
GFXDECODE_ENTRY( "gfx1", 0x0000, charlayout, 0, 16 )
GFXDECODE_ENTRY( "gfx1", 0x1000, spritelayout, 0, 16 )
GFXDECODE_ENTRY( "gfx1", 0x1800, spritelayout, 0, 16 )
GFXDECODE_END
static MACHINE_DRIVER_START( mouser )
/* basic machine hardware */
MDRV_CPU_ADD("main", Z80, 4000000) /* 4 MHz ? */
MDRV_CPU_PROGRAM_MAP(readmem,writemem)
MDRV_CPU_VBLANK_INT("main", mouser_nmi_interrupt) /* NMI is masked externally */
MDRV_CPU_ADD("audio", Z80, 4000000) /* ??? */
MDRV_CPU_PROGRAM_MAP(readmem2,writemem2)
MDRV_CPU_IO_MAP(io_map_2,0)
MDRV_CPU_VBLANK_INT_HACK(nmi_line_pulse,4) /* ??? This controls the sound tempo */
/* video hardware */
MDRV_SCREEN_ADD("main", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(32*8, 32*8)
MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
MDRV_GFXDECODE(mouser)
MDRV_PALETTE_LENGTH(64)
MDRV_PALETTE_INIT(mouser)
MDRV_VIDEO_UPDATE(mouser)
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD("ay1", AY8910, 4000000/2)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MDRV_SOUND_ADD("ay2", AY8910, 4000000/2)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_DRIVER_END
ROM_START( mouser )
ROM_REGION( 0x20000, "main", 0 ) /* 64K for data, 64K for encrypted opcodes */
ROM_LOAD( "m0.5e", 0x0000, 0x2000, CRC(b56e00bc) SHA1(f3b23212590d91f1d19b1c7a98c560fbe5943185) )
ROM_LOAD( "m1.5f", 0x2000, 0x2000, CRC(ae375d49) SHA1(8422f5a4d8560425f0c8612cf6f76029fcfe267c) )
ROM_LOAD( "m2.5j", 0x4000, 0x2000, CRC(ef5817e4) SHA1(5cadc19f20fadf97c95852b280305fe4c75f1d19) )
ROM_REGION( 0x10000, "audio", 0 )
ROM_LOAD( "m5.3v", 0x0000, 0x1000, CRC(50705eec) SHA1(252cea3498722318638f0c98ae929463ffd7d0d6) )
ROM_REGION( 0x4000, "gfx1", ROMREGION_DISPOSE )
ROM_LOAD( "m3.11h", 0x0000, 0x2000, CRC(aca2834e) SHA1(c4f457fd8ea46386431ef8dffe54a232631870be) )
ROM_LOAD( "m4.11k", 0x2000, 0x2000, CRC(943ab2e2) SHA1(ef9fc31dc8fe7a62f7bc6c817ce0d65091cb9a03) )
/* Opcode Decryption PROMS */
ROM_REGION( 0x0100, "user1", ROMREGION_DISPOSE )
ROM_LOAD_NIB_HIGH( "bprom.4b",0x0000,0x0100,CRC(dd233851) SHA1(25eab1ec2227910c6fcd2803986f1cf206624da7) )
ROM_LOAD_NIB_LOW( "bprom.4c",0x0000,0x0100,CRC(60aaa686) SHA1(bb2ad555da51f6b30ab8b55833fe8d461a1e67f4) )
ROM_REGION( 0x0040, "proms", 0 )
ROM_LOAD( "bprom.5v", 0x0000, 0x0020, CRC(7f8930b2) SHA1(8d0fe14b770fcf7088696d7b80d64507c6ee7364) )
ROM_LOAD( "bprom.5u", 0x0020, 0x0020, CRC(0086feed) SHA1(b0b368e5fb7380cf09abd60c0933b405daf1c36a) )
ROM_END
ROM_START( mouserc )
ROM_REGION( 0x20000, "main", 0 ) /* 64K for data, 64K for encrypted opcodes */
ROM_LOAD( "83001.0", 0x0000, 0x2000, CRC(e20f9601) SHA1(f559a470784bda0bee9cab257a548238365acaa6) )
ROM_LOAD( "m1.5f", 0x2000, 0x2000, CRC(ae375d49) SHA1(8422f5a4d8560425f0c8612cf6f76029fcfe267c) ) // 83001.1
ROM_LOAD( "m2.5j", 0x4000, 0x2000, CRC(ef5817e4) SHA1(5cadc19f20fadf97c95852b280305fe4c75f1d19) ) // 83001.2
ROM_REGION( 0x10000, "audio", 0 )
ROM_LOAD( "m5.3v", 0x0000, 0x1000, CRC(50705eec) SHA1(252cea3498722318638f0c98ae929463ffd7d0d6) ) // 83001.5
ROM_REGION( 0x4000, "gfx1", ROMREGION_DISPOSE )
ROM_LOAD( "m3.11h", 0x0000, 0x2000, CRC(aca2834e) SHA1(c4f457fd8ea46386431ef8dffe54a232631870be) ) // 83001.3
ROM_LOAD( "m4.11k", 0x2000, 0x2000, CRC(943ab2e2) SHA1(ef9fc31dc8fe7a62f7bc6c817ce0d65091cb9a03) ) // 83001.4
/* Opcode Decryption PROMS (originally from the UPL romset!) */
ROM_REGION( 0x0100, "user1", ROMREGION_DISPOSE )
ROM_LOAD_NIB_HIGH( "bprom.4b",0x0000,0x0100,CRC(dd233851) SHA1(25eab1ec2227910c6fcd2803986f1cf206624da7) )
ROM_LOAD_NIB_LOW( "bprom.4c",0x0000,0x0100,CRC(60aaa686) SHA1(bb2ad555da51f6b30ab8b55833fe8d461a1e67f4) )
ROM_REGION( 0x0040, "proms", 0 )
ROM_LOAD( "bprom.5v", 0x0000, 0x0020, CRC(7f8930b2) SHA1(8d0fe14b770fcf7088696d7b80d64507c6ee7364) ) // clr.5v
ROM_LOAD( "bprom.5u", 0x0020, 0x0020, CRC(0086feed) SHA1(b0b368e5fb7380cf09abd60c0933b405daf1c36a) ) // clr.5u
ROM_END
static DRIVER_INIT( mouser )
{
/* Decode the opcodes */
offs_t i;
UINT8 *rom = memory_region(machine, "main");
UINT8 *decrypted = auto_malloc(0x6000);
UINT8 *table = memory_region(machine, "user1");
memory_set_decrypted_region(0, 0x0000, 0x5fff, decrypted);
for (i = 0;i < 0x6000;i++)
{
decrypted[i] = table[rom[i]];
}
}
GAME( 1983, mouser, 0, mouser, mouser, mouser, ROT90, "UPL", "Mouser", 0 )
GAME( 1983, mouserc, mouser, mouser, mouser, mouser, ROT90, "[UPL] (Cosmos license)", "Mouser (Cosmos)", 0 )