diff options
Diffstat (limited to 'src/mess/drivers/horizon.c')
-rw-r--r-- | src/mess/drivers/horizon.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/mess/drivers/horizon.c b/src/mess/drivers/horizon.c new file mode 100644 index 00000000000..512cc3576c6 --- /dev/null +++ b/src/mess/drivers/horizon.c @@ -0,0 +1,122 @@ +/*************************************************************************** + + 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<cpu_device> m_maincpu; + required_device<device_t> m_terminal; + DECLARE_WRITE8_MEMBER( kbd_put ); + //UINT8 m_term_data; +}; + + +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 + + +static MACHINE_RESET(horizon) +{ + cpu_set_reg(machine.device("maincpu"), Z80_PC, 0xe800); +} + +static MACHINE_RESET(horizon_sd) +{ + cpu_set_reg(machine.device("maincpu"), 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) + + MCFG_MACHINE_RESET(horizon) + + /* 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(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) |