src/mess/drivers/mits680b.c
| r0 | r6512 | |
|---|
| 1 | /*************************************************************************** |
| 2 | |
| 3 | MITS Altair 680b |
| 4 | |
| 5 | 03/12/2009 Skeleton driver. |
| 6 | |
| 7 | ****************************************************************************/ |
| 8 | |
| 9 | #include "driver.h" |
| 10 | #include "cpu/m6800/m6800.h" |
| 11 | #include "machine/6551.h" |
| 12 | #include "machine/terminal.h" |
| 13 | |
| 14 | static ADDRESS_MAP_START(mits680b_mem, ADDRESS_SPACE_PROGRAM, 8) |
| 15 | ADDRESS_MAP_UNMAP_HIGH |
| 16 | AM_RANGE( 0x0000, 0x03ff ) AM_RAM // 1024 bytes RAM |
| 17 | AM_RANGE( 0xf000, 0xf003 ) AM_DEVREADWRITE("acia", acia_6551_r, acia_6551_w ) |
| 18 | AM_RANGE( 0xff00, 0xffff ) AM_ROM |
| 19 | ADDRESS_MAP_END |
| 20 | |
| 21 | /* Input ports */ |
| 22 | INPUT_PORTS_START( mits680b ) |
| 23 | PORT_INCLUDE(generic_terminal) |
| 24 | INPUT_PORTS_END |
| 25 | |
| 26 | |
| 27 | static MACHINE_RESET(mits680b) |
| 28 | { |
| 29 | } |
| 30 | |
| 31 | static WRITE8_DEVICE_HANDLER( mits680b_kbd_put ) |
| 32 | { |
| 33 | |
| 34 | } |
| 35 | |
| 36 | static GENERIC_TERMINAL_INTERFACE( mits680b_terminal_intf ) |
| 37 | { |
| 38 | DEVCB_HANDLER(mits680b_kbd_put) |
| 39 | }; |
| 40 | |
| 41 | static MACHINE_DRIVER_START( mits680b ) |
| 42 | /* basic machine hardware */ |
| 43 | MDRV_CPU_ADD("maincpu",M6800, XTAL_1MHz / 2) |
| 44 | MDRV_CPU_PROGRAM_MAP(mits680b_mem) |
| 45 | |
| 46 | MDRV_MACHINE_RESET(mits680b) |
| 47 | |
| 48 | /* video hardware */ |
| 49 | MDRV_IMPORT_FROM( generic_terminal ) |
| 50 | MDRV_GENERIC_TERMINAL_ADD(TERMINAL_TAG,mits680b_terminal_intf) |
| 51 | |
| 52 | /* acia */ |
| 53 | MDRV_ACIA6551_ADD("acia") |
| 54 | MACHINE_DRIVER_END |
| 55 | |
| 56 | /* ROM definition */ |
| 57 | ROM_START( mits680b ) |
| 58 | ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) |
| 59 | ROM_LOAD( "mits680b.bin", 0xff00, 0x0100, CRC(397e717f) SHA1(257d3eb1343b8611dc05455aeed33615d581f29c)) |
| 60 | ROM_END |
| 61 | |
| 62 | /* Driver */ |
| 63 | |
| 64 | /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT CONFIG COMPANY FULLNAME FLAGS */ |
| 65 | COMP( 1976, mits680b, 0, 0, mits680b, mits680b, 0, 0, "MITS", "Altair 680b", GAME_NOT_WORKING) |
| 66 | |