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// license:BSD-3-Clause
// copyright-holders:David Haywood
/*
"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() override;
virtual void machine_reset() override;
virtual void video_start() override;
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_SCREEN_PALETTE("palette")
MCFG_PALETTE_ADD("palette", 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", MACHINE_IS_SKELETON | MACHINE_NO_SOUND | MACHINE_NOT_WORKING | MACHINE_IS_BIOS_ROOT )
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