/* "Sega Shooting Zone" aka "Sega Sharp Shooter" This is an SMS with a timer system, official Sega product. Cabinet has a lightgun, it runs the SMS light gun games. It has 2 IO controllers, and 1 VDP, so I'm guessing the BIOS just displays to some kind of Segment LED display. --------------------------------- Shooting Zone by SEGA 1987 834-6294 CPU(s) : D780C (x2) Xtal : 10.7380 Mhz RAMS(s) : D4168C (x3) : MB8464-12L Eprom : Epr10894A.20 PAL : 315-5287 Customs IC's : 315-5216 (x2) 315-5124 GAMES for this system : Black Belt (mpr10150.ic1) Shooting Gallery Gangster Town Marksman Shooting / Trap Shooting / Safari Hunt (315-5028.ic1 + Mpr10157.ic2) Fantasy Zone(1) --------------------------------- Notes: (1) apparently.... seems a bit odd, because it's not a gun game */ #include "emu.h" #include "cpu/z80/z80.h" class shtzone_state : public driver_device { public: shtzone_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) { } virtual void machine_start(); virtual void machine_reset(); virtual void video_start(); UINT32 screen_update_shtzone(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); }; static ADDRESS_MAP_START( shtzone_map, AS_PROGRAM, 8, shtzone_state ) AM_RANGE(0x0000, 0x3fff) AM_ROM AM_RANGE(0x4000, 0x5fff) AM_RAM ADDRESS_MAP_END static INPUT_PORTS_START( shtzone ) INPUT_PORTS_END void shtzone_state::machine_start() { } void shtzone_state::machine_reset() { } void shtzone_state::video_start() { } UINT32 shtzone_state::screen_update_shtzone(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { return 0; } static MACHINE_CONFIG_START( shtzone, shtzone_state ) /* basic machine hardware */ MCFG_CPU_ADD("timercpu", Z80,10738000/4) MCFG_CPU_PROGRAM_MAP(shtzone_map) /* + SMS CPU */ /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MCFG_SCREEN_SIZE(256, 256) MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 0, 256-1) MCFG_SCREEN_UPDATE_DRIVER(shtzone_state, screen_update_shtzone) MCFG_PALETTE_LENGTH(0x100) MACHINE_CONFIG_END ROM_START( shtzone ) ROM_REGION( 0x4000, "timercpu", 0 ) ROM_LOAD( "epr10894a.20", 0x00000, 0x04000, CRC(ea8901d9) SHA1(43fd8bfc395e3b2e3fbe9645d692a5eb04783d9c) ) ROM_END GAME( 1987, shtzone, 0, shtzone, shtzone, driver_device, 0, ROT0, "Sega", "Shooting Zone System BIOS", GAME_IS_SKELETON | GAME_NO_SOUND | GAME_NOT_WORKING | GAME_IS_BIOS_ROOT )