/*************************************************************************** Neptune's Pearls (c) Unidesa? skeleton driver, can't do much without gfx roms anyway. ***************************************************************************/ #include "emu.h" #include "cpu/i86/i86.h" class neptunp2_state : public driver_device { public: neptunp2_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu") { } DECLARE_READ8_MEMBER(test_r); UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); protected: // devices required_device m_maincpu; // driver_device overrides virtual void video_start(); }; void neptunp2_state::video_start() { } UINT32 neptunp2_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { return 0; } READ8_MEMBER( neptunp2_state::test_r ) { return machine().rand(); } static ADDRESS_MAP_START( neptunp2_map, AS_PROGRAM, 8, neptunp2_state ) AM_RANGE(0x00000, 0xbffff) AM_ROM AM_RANGE(0xe0000, 0xeffff) AM_RAM AM_RANGE(0xd0000, 0xd7fff) AM_RAM //videoram AM_RANGE(0xdb004, 0xdb007) AM_RAM AM_RANGE(0xdb00c, 0xdb00f) AM_RAM AM_RANGE(0xff806, 0xff806) AM_READ(test_r) AM_RANGE(0xff810, 0xff810) AM_READ(test_r) AM_RANGE(0xff812, 0xff812) AM_READ(test_r) AM_RANGE(0xff980, 0xff980) AM_WRITENOP AM_RANGE(0xffff0, 0xfffff) AM_ROM ADDRESS_MAP_END static ADDRESS_MAP_START( neptunp2_io, AS_IO, 8, neptunp2_state ) ADDRESS_MAP_END static INPUT_PORTS_START( neptunp2 ) INPUT_PORTS_END #if 0 static const gfx_layout charlayout = { 8,8, /* 8*8 characters */ RGN_FRAC(1,3), /* 1024 characters */ 3, /* 3 bits per pixel */ { RGN_FRAC(1,3), RGN_FRAC(2,3), RGN_FRAC(0,3) }, /* the bitplanes are separated */ { 0, 1, 2, 3, 4, 5, 6, 7 }, { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, 8*8 /* every char takes 8 consecutive bytes */ }; #endif static GFXDECODE_START( neptunp2 ) // GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 8 ) GFXDECODE_END static MACHINE_CONFIG_START( neptunp2, neptunp2_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",I80188,20000000) // N80C188-20 AMD MCFG_CPU_PROGRAM_MAP(neptunp2_map) MCFG_CPU_IO_MAP(neptunp2_io) MCFG_CPU_VBLANK_INT_DRIVER("screen", neptunp2_state, irq0_line_hold) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MCFG_SCREEN_UPDATE_DRIVER(neptunp2_state, screen_update) MCFG_SCREEN_SIZE(32*8, 32*8) MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1) MCFG_GFXDECODE(neptunp2) MCFG_PALETTE_LENGTH(512) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MACHINE_CONFIG_END /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( neptunp2 ) ROM_REGION( 0x100000, "maincpu", 0 ) ROM_LOAD( "u2.bin", 0x000000, 0x100000, CRC(4fbb06d1) SHA1(6490cd3b96b3b61f48fcb843772bd787605ab76f) ) ROM_REGION( 0x100000, "prg_data", 0 ) //dunno how this maps ... ROM_LOAD( "u3.bin", 0x000000, 0x100000, CRC(3c1746e2) SHA1(a7fd59f5397ce1653848e15f16399b537f3a1ea7) ) ROM_REGION( 0x200000, "oki", 0 ) ROM_LOAD( "u14.bin", 0x000000, 0x100000, CRC(a2de1156) SHA1(58b325b720057e8d7105fe3a87ac2c0109afad84) ) ROM_LOAD( "u15.bin", 0x100000, 0x100000, CRC(8de6d4de) SHA1(121e7507ef57074bc7ad0bf69556f26c84c4e236) ) ROM_REGION( 0x10000, "gfx", 0 ) ROM_LOAD( "flash_roms", 0x00000, 0x10000, NO_DUMP ) ROM_END GAME( 199?, neptunp2, 0, neptunp2, neptunp2, driver_device, 0, ROT0, "Unidesa?", "Neptune's Pearls 2", GAME_NOT_WORKING | GAME_NO_SOUND )