/*************************************************************************** NorthStar Horizon 07/12/2009 Skeleton driver. It appears these machines say nothing until a floppy disk is succesfully loaded. The memory range EA00-EB40 appears to be used by devices, particularly the FDC. ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "machine/terminal.h" class horizon_state : public driver_device { public: horizon_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_terminal(*this, TERMINAL_TAG) { } required_device m_maincpu; required_device m_terminal; DECLARE_WRITE8_MEMBER( kbd_put ); //UINT8 m_term_data; virtual void machine_reset(); DECLARE_MACHINE_RESET(horizon_sd); }; static ADDRESS_MAP_START(horizon_mem, AS_PROGRAM, 8, horizon_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0xe7ff) AM_RAM AM_RANGE(0xe800, 0xe8ff) AM_ROM AM_RANGE(0xec00, 0xffff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START(horizon_io, AS_IO, 8, horizon_state) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) ADDRESS_MAP_END static ADDRESS_MAP_START(horizon_sd_mem, AS_PROGRAM, 8, horizon_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0xe8ff) AM_RAM AM_RANGE(0xe900, 0xe9ff) AM_ROM AM_RANGE(0xec00, 0xffff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START(horizon_sd_io, AS_IO, 8, horizon_state) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( horizon ) INPUT_PORTS_END void horizon_state::machine_reset() { machine().device("maincpu")->state().set_state_int(Z80_PC, 0xe800); } MACHINE_RESET_MEMBER(horizon_state,horizon_sd) { machine().device("maincpu")->state().set_state_int(Z80_PC, 0xe900); } WRITE8_MEMBER( horizon_state::kbd_put ) { } static GENERIC_TERMINAL_INTERFACE( terminal_intf ) { DEVCB_DRIVER_MEMBER(horizon_state, kbd_put) }; static MACHINE_CONFIG_START( horizon, horizon_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz) MCFG_CPU_PROGRAM_MAP(horizon_mem) MCFG_CPU_IO_MAP(horizon_io) /* video hardware */ MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf) MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( horizsd, horizon ) MCFG_CPU_MODIFY( "maincpu" ) MCFG_CPU_PROGRAM_MAP( horizon_sd_mem) MCFG_CPU_IO_MAP(horizon_sd_io) MCFG_MACHINE_RESET_OVERRIDE(horizon_state,horizon_sd) MACHINE_CONFIG_END /* ROM definition */ ROM_START( horizdd ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "horizon.bin", 0xe800, 0x0100, CRC(7aafa134) SHA1(bf1552c4818f30473798af4f54e65e1957e0db48)) ROM_END ROM_START( horizsd ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "horizon-sd.bin", 0xe900, 0x0100, CRC(754e53e5) SHA1(875e42942d639b972252b87d86c3dc2133304967)) ROM_END ROM_START( vector1 ) // This one have different I/O ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "horizon.bin", 0xe800, 0x0100, CRC(7aafa134) SHA1(bf1552c4818f30473798af4f54e65e1957e0db48)) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 1979, horizdd, 0, 0, horizon, horizon, driver_device, 0, "NorthStar", "Horizon (DD drive)", GAME_NOT_WORKING | GAME_NO_SOUND) COMP( 1979, horizsd, horizdd, 0, horizsd, horizon, driver_device, 0, "NorthStar", "Horizon (SD drive)", GAME_NOT_WORKING | GAME_NO_SOUND) COMP( 1979, vector1, horizdd, 0, horizon, horizon, driver_device, 0, "Vector Graphic", "Vector 1+ (DD drive)", GAME_NOT_WORKING | GAME_NO_SOUND)