// license:BSD-3-Clause // copyright-holders:hap /*************************************************************************** Namco Cosmoswat, a lightgun game that uses a projector and a bunch of mirrors and motors to move a spotlight(s) on a large projection screen, similar to Namco Shoot Away/Shoot Away II. The CRT is just used for showing status and keeping scores. X1 18.432MHz HD68A09EP - Hitachi M6809 CPU 2 * M58725P - Mitsubishi 2KB SRAM 0737 - Namco custom DIP28, clock divider? 5275 - Namco custom DIP42, sample player TODO: - fix gfx/colors (redump needed) - improve interrupts - hook up namco 52xx sound - simulate projector with external artwork? ***************************************************************************/ #include "emu.h" #include "cpu/m6809/m6809.h" #include "cpu/mb88xx/mb88xx.h" #include "audio/namco52.h" class cswat_state : public driver_device { public: cswat_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_gfxdecode(*this, "gfxdecode"), m_videoram(*this, "videoram"), m_dips_inp(*this, "DIPS") { } required_device m_maincpu; required_device m_gfxdecode; required_shared_ptr m_videoram; required_ioport m_dips_inp; UINT8 m_nmi_enabled; tilemap_t *m_tilemap; DECLARE_WRITE8_MEMBER(videoram_w); DECLARE_WRITE8_MEMBER(irq_ack_w); DECLARE_READ8_MEMBER(sensors_r); DECLARE_READ8_MEMBER(dipswitch_r); INTERRUPT_GEN_MEMBER(nmi_handler); TILEMAP_MAPPER_MEMBER(tilemap_scan_rows); TILE_GET_INFO_MEMBER(get_tile_info); UINT32 screen_update_cswat(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); virtual void video_start() override; virtual void machine_reset() override; virtual void machine_start() override; }; /*************************************************************************** Video ***************************************************************************/ TILEMAP_MAPPER_MEMBER(cswat_state::tilemap_scan_rows) { // like with pacman, lower and upper parts of vram are left and right columns of the screen row += 2; col -= 2; if (col & 0x20) return row + ((col & 0x1f) << 5); else return col + (row << 5); } TILE_GET_INFO_MEMBER(cswat_state::get_tile_info) { int color = m_videoram[tile_index | 0x400]; int attr = m_videoram[tile_index | 0x800]; // high bits unused int code = m_videoram[tile_index] | (attr << 8 & 0x300); int flags = TILE_FLIPYX(attr >> 2); SET_TILE_INFO_MEMBER(0, code, color, flags); } void cswat_state::video_start() { m_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(cswat_state::get_tile_info),this), tilemap_mapper_delegate(FUNC(cswat_state::tilemap_scan_rows),this), 8, 8, 36, 28); } UINT32 cswat_state::screen_update_cswat(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { m_tilemap->draw(screen, bitmap, cliprect, 0, 0); return 0; } /*************************************************************************** Memory Map, I/O ***************************************************************************/ WRITE8_MEMBER(cswat_state::videoram_w) { m_videoram[offset] = data; m_tilemap->mark_tile_dirty(offset & 0x3ff); } WRITE8_MEMBER(cswat_state::irq_ack_w) { // clear vblank irq and enable nmi? m_maincpu->set_input_line(0, CLEAR_LINE); m_nmi_enabled = data & 1; } READ8_MEMBER(cswat_state::dipswitch_r) { UINT16 dips = m_dips_inp->read(); return offset ? dips >> 8 : dips & 0xff; } READ8_MEMBER(cswat_state::sensors_r) { // ? return rand(); } static ADDRESS_MAP_START( cswat_map, AS_PROGRAM, 8, cswat_state ) AM_RANGE(0x0000, 0x0bff) AM_RAM_WRITE(videoram_w) AM_SHARE("videoram") AM_RANGE(0x0c00, 0x0fff) AM_RAM // AM_RANGE(0x1800, 0x1800) AM_READNOP // ? reads here after writing to $4000 AM_RANGE(0x2000, 0x2000) AM_WRITE(irq_ack_w) // writes 1 at end of vblank irq, 0 at gamestart AM_RANGE(0x2000, 0x2001) AM_READ(dipswitch_r) AM_RANGE(0x2002, 0x2002) AM_WRITE(irq_ack_w) // writes 0 at start of vblank irq AM_RANGE(0x2002, 0x2002) AM_READ(sensors_r) AM_RANGE(0x2003, 0x2003) AM_READ_PORT("IN0") // AM_RANGE(0x4000, 0x4009) AM_NOP // ? AM_RANGE(0x8000, 0xffff) AM_ROM ADDRESS_MAP_END /*************************************************************************** Inputs ***************************************************************************/ static INPUT_PORTS_START( cswat ) PORT_START("DIPS") // SW1 & SW2 PORT_DIPNAME( 0x0001, 0x0001, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0001, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0302, 0x0302, DEF_STR( Coin_A ) ) PORT_DIPSETTING( 0x0100, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x0102, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x0000, DEF_STR( 3C_2C ) ) PORT_DIPSETTING( 0x0302, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x0202, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x0002, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x0300, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x0200, DEF_STR( 1C_5C ) ) PORT_DIPNAME( 0x0404, 0x0404, "Extend Point" ) PORT_DIPSETTING( 0x0404, "700, 3300, 9000" ) PORT_DIPSETTING( 0x0400, "800, 3500, 9500" ) PORT_DIPSETTING( 0x0004, "900, 3800, 10000" ) PORT_DIPSETTING( 0x0000, "1000, 4000, 10400" ) PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0008, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0010, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x3020, 0x3020, DEF_STR( Coin_B ) ) PORT_DIPSETTING( 0x1000, DEF_STR( 3C_1C ) ) PORT_DIPSETTING( 0x1020, DEF_STR( 2C_1C ) ) PORT_DIPSETTING( 0x0000, DEF_STR( 3C_2C ) ) PORT_DIPSETTING( 0x3020, DEF_STR( 1C_1C ) ) PORT_DIPSETTING( 0x2020, DEF_STR( 1C_2C ) ) PORT_DIPSETTING( 0x0020, DEF_STR( 2C_3C ) ) PORT_DIPSETTING( 0x3000, DEF_STR( 1C_3C ) ) PORT_DIPSETTING( 0x2000, DEF_STR( 1C_5C ) ) PORT_DIPNAME( 0x4040, 0x4040, "Player Ticket" ) PORT_DIPSETTING( 0x4040, DEF_STR( Off ) ) PORT_DIPSETTING( 0x4000, DEF_STR( Off ) ) // dupe PORT_DIPSETTING( 0x0000, "Grade 3 or 4" ) PORT_DIPSETTING( 0x0040, "Grade 4" ) PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x0080, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_DIPNAME( 0x0800, 0x0800, "Speed" ) PORT_DIPSETTING( 0x0800, "Slow" ) PORT_DIPSETTING( 0x0000, "Fast" ) PORT_DIPNAME( 0x8000, 0x8000, "Freeze" ) PORT_DIPSETTING( 0x8000, DEF_STR( Off ) ) PORT_DIPSETTING( 0x0000, DEF_STR( On ) ) PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_START2 ) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 ) PORT_SERVICE( 0x10, IP_ACTIVE_LOW ) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_SERVICE1 ) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) INPUT_PORTS_END /*************************************************************************** Machine Config ***************************************************************************/ static const gfx_layout charlayout = { 8,8, RGN_FRAC(1,1), 2, { 0, 4 }, { STEP4(8*8,1), STEP4(0*8,1) }, { STEP8(0*8,8) }, 16*8 }; static GFXDECODE_START( cswat ) GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 256 ) GFXDECODE_END INTERRUPT_GEN_MEMBER(cswat_state::nmi_handler) { if (m_nmi_enabled) device.execute().set_input_line(INPUT_LINE_NMI, PULSE_LINE); } void cswat_state::machine_reset() { m_nmi_enabled = 0; } void cswat_state::machine_start() { save_item(NAME(m_nmi_enabled)); } static MACHINE_CONFIG_START( cswat, cswat_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", M6809E, XTAL_18_432MHz/3/4) // HD68A09EP, 1.5MHz? MCFG_CPU_PROGRAM_MAP(cswat_map) MCFG_CPU_VBLANK_INT_DRIVER("screen", cswat_state, irq0_line_assert) MCFG_CPU_PERIODIC_INT_DRIVER(cswat_state, nmi_handler, 300) // ? /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) MCFG_SCREEN_SIZE(36*8, 28*8) MCFG_SCREEN_VISIBLE_AREA(0*8, 36*8-1, 0*8, 28*8-1) MCFG_SCREEN_PALETTE("palette") MCFG_SCREEN_UPDATE_DRIVER(cswat_state, screen_update_cswat) MCFG_GFXDECODE_ADD("gfxdecode", "palette", cswat) MCFG_PALETTE_ADD("palette", 4*256) /* sound hardware */ // TODO MACHINE_CONFIG_END /*************************************************************************** Game drivers ***************************************************************************/ ROM_START( cswat ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "cs2-1.5k", 0x8000, 0x2000, CRC(896604a8) SHA1(a7b2e2253eea8a4db6f6ea049d7a21050ea71d4b) ) ROM_LOAD( "cs2-2.5j", 0xa000, 0x2000, CRC(746f5afb) SHA1(ebb5ad49d97ea3e4e25104c67168644cb833bd87) ) ROM_LOAD( "cs2-3.5h", 0xc000, 0x2000, CRC(52af8d0b) SHA1(1087b1dbf8b7734f0497e0ad1f8a7a10a25f4e7b) ) ROM_LOAD( "cs2-4.5f", 0xe000, 0x2000, CRC(2f88074c) SHA1(a8864b6123f76c0d1f372b2196d4e436bac75c21) ) ROM_REGION( 0x4000, "gfx1", 0 ) ROM_LOAD( "cs2-5.3l", 0x0000, 0x2000, BAD_DUMP CRC(a09d6894) SHA1(feac4980d5bf6f2a808230962b4140e27767dc9d) ) // bad ROM_LOAD( "cs2-6.2l", 0x2000, 0x2000, CRC(95e8180f) SHA1(1d819649b62b194e10decb04d6be68c99c419a93) ) ROM_REGION( 0x2000, "52xx", 0 ) // digitised speech ROM_LOAD( "cs2-7.2b", 0x0000, 0x2000, BAD_DUMP CRC(25a25dc0) SHA1(849e3baa159049754da6fba74c77c86f01952849) ) // FIXED BITS (xxx1xxxx) ROM_REGION( 0x0001, "proms", 0 ) // color prom ROM_LOAD( "cs2-1.1p", 0x0000, 0x0001, NO_DUMP ) ROM_END GAME( 1984, cswat, 0, cswat, cswat, driver_device, 0, ROT0, "Namco", "Cosmoswat", MACHINE_SUPPORTS_SAVE | MACHINE_MECHANICAL | MACHINE_NOT_WORKING | MACHINE_NO_SOUND | MACHINE_WRONG_COLORS | MACHINE_IMPERFECT_GRAPHICS )