/*************************************************************************** Terak 8510A 23/02/2009 Skeleton driver. ****************************************************************************/ #include "emu.h" #include "cpu/t11/t11.h" class terak_state : public driver_device { public: terak_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") { } DECLARE_READ16_MEMBER(terak_fdc_status_r); DECLARE_WRITE16_MEMBER(terak_fdc_command_w); DECLARE_READ16_MEMBER(terak_fdc_data_r); DECLARE_WRITE16_MEMBER(terak_fdc_data_w); UINT8 m_unit; UINT8 m_cmd; UINT16 m_data; virtual void machine_reset(); virtual void video_start(); UINT32 screen_update_terak(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); required_device m_maincpu; }; READ16_MEMBER( terak_state::terak_fdc_status_r ) { logerror("terak_fdc_status_r\n"); if (m_cmd==3) { logerror("cmd is 3\n"); return 0xffff; } return 0; } WRITE16_MEMBER( terak_state::terak_fdc_command_w ) { m_unit = (data >> 8) & 0x03; m_cmd = (data >> 1) & 0x07; logerror("terak_fdc_command_w %04x [%d %d]\n",data,m_unit,m_cmd); } READ16_MEMBER( terak_state::terak_fdc_data_r ) { logerror("terak_fdc_data_r\n"); return 0; } WRITE16_MEMBER( terak_state::terak_fdc_data_w ) { logerror("terak_fdc_data_w %04x\n",data); } static ADDRESS_MAP_START(terak_mem, AS_PROGRAM, 16, terak_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE( 0x0000, 0xf5ff ) AM_RAM // RAM // octal AM_RANGE( 0173000, 0173177 ) AM_ROM // ROM AM_RANGE( 0177000, 0177001 ) AM_READWRITE(terak_fdc_status_r,terak_fdc_command_w) AM_RANGE( 0177002, 0177003 ) AM_READWRITE(terak_fdc_data_r,terak_fdc_data_w) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( terak ) INPUT_PORTS_END void terak_state::machine_reset() { } void terak_state::video_start() { } UINT32 terak_state::screen_update_terak(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { return 0; } static MACHINE_CONFIG_START( terak, terak_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",T11, XTAL_4MHz) MCFG_T11_INITIAL_MODE(6 << 13) MCFG_CPU_PROGRAM_MAP(terak_mem) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(50) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_SIZE(640, 480) MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1) MCFG_SCREEN_UPDATE_DRIVER(terak_state, screen_update_terak) MCFG_SCREEN_PALETTE("palette") MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette") MACHINE_CONFIG_END /* ROM definition */ ROM_START( terak ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "terak.rom", 0173000, 0x0080, CRC(fd654b8e) SHA1(273a9933b68a290c5aedcd6d69faa7b1d22c0344)) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( ????, terak, 0, 0, terak, terak, driver_device, 0, "Terak", "Terak 8510A", GAME_NOT_WORKING | GAME_NO_SOUND)