diff options
Diffstat (limited to 'src/mess/drivers/terak.c')
-rw-r--r-- | src/mess/drivers/terak.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/mess/drivers/terak.c b/src/mess/drivers/terak.c new file mode 100644 index 00000000000..42b1db26d03 --- /dev/null +++ b/src/mess/drivers/terak.c @@ -0,0 +1,119 @@ +/*************************************************************************** + + 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) { } + + 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; +}; + +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 + + +static MACHINE_RESET(terak) +{ +} + +static VIDEO_START( terak ) +{ +} + +static SCREEN_UPDATE_IND16( terak ) +{ + return 0; +} + +static const struct t11_setup t11_data = +{ + 6 << 13 +}; + +static MACHINE_CONFIG_START( terak, terak_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu",T11, XTAL_4MHz) + MCFG_CPU_CONFIG(t11_data) + MCFG_CPU_PROGRAM_MAP(terak_mem) + + MCFG_MACHINE_RESET(terak) + + /* 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_STATIC(terak) + + MCFG_PALETTE_LENGTH(2) + MCFG_PALETTE_INIT(black_and_white) + + MCFG_VIDEO_START(terak) +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) |