src/mess/drivers/mccpm.c
| r0 | r8977 | |
|---|
| 1 | /*************************************************************************** |
| 2 | |
| 3 | mc-CP/M-Computer |
| 4 | |
| 5 | 31/08/2010 Skeleton driver. |
| 6 | |
| 7 | ****************************************************************************/ |
| 8 | |
| 9 | #include "emu.h" |
| 10 | #include "cpu/z80/z80.h" |
| 11 | |
| 12 | static UINT8 *mccpm_ram; |
| 13 | |
| 14 | static ADDRESS_MAP_START(mccpm_mem, ADDRESS_SPACE_PROGRAM, 8) |
| 15 | ADDRESS_MAP_UNMAP_HIGH |
| 16 | AM_RANGE(0x0000, 0xffff) AM_RAM AM_BASE(&mccpm_ram) |
| 17 | ADDRESS_MAP_END |
| 18 | |
| 19 | static ADDRESS_MAP_START( mccpm_io , ADDRESS_SPACE_IO, 8) |
| 20 | ADDRESS_MAP_UNMAP_HIGH |
| 21 | ADDRESS_MAP_GLOBAL_MASK(0xff) |
| 22 | ADDRESS_MAP_END |
| 23 | |
| 24 | /* Input ports */ |
| 25 | INPUT_PORTS_START( mccpm ) |
| 26 | INPUT_PORTS_END |
| 27 | |
| 28 | |
| 29 | static MACHINE_RESET(mccpm) |
| 30 | { |
| 31 | UINT8* bios = memory_region(machine, "maincpu"); |
| 32 | |
| 33 | memcpy(mccpm_ram,bios, 0x1000); |
| 34 | } |
| 35 | |
| 36 | static VIDEO_START( mccpm ) |
| 37 | { |
| 38 | } |
| 39 | |
| 40 | static VIDEO_UPDATE( mccpm ) |
| 41 | { |
| 42 | return 0; |
| 43 | } |
| 44 | |
| 45 | static MACHINE_DRIVER_START( mccpm ) |
| 46 | /* basic machine hardware */ |
| 47 | MDRV_CPU_ADD("maincpu",Z80, XTAL_4MHz) |
| 48 | MDRV_CPU_PROGRAM_MAP(mccpm_mem) |
| 49 | MDRV_CPU_IO_MAP(mccpm_io) |
| 50 | |
| 51 | MDRV_MACHINE_RESET(mccpm) |
| 52 | |
| 53 | /* video hardware */ |
| 54 | MDRV_SCREEN_ADD("screen", RASTER) |
| 55 | MDRV_SCREEN_REFRESH_RATE(50) |
| 56 | MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ |
| 57 | MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) |
| 58 | MDRV_SCREEN_SIZE(640, 480) |
| 59 | MDRV_SCREEN_VISIBLE_AREA(0, 640-1, 0, 480-1) |
| 60 | MDRV_PALETTE_LENGTH(2) |
| 61 | MDRV_PALETTE_INIT(black_and_white) |
| 62 | |
| 63 | MDRV_VIDEO_START(mccpm) |
| 64 | MDRV_VIDEO_UPDATE(mccpm) |
| 65 | MACHINE_DRIVER_END |
| 66 | |
| 67 | /* ROM definition */ |
| 68 | ROM_START( mccpm ) |
| 69 | ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) |
| 70 | ROM_LOAD( "mon36.j15", 0x0000, 0x1000, CRC(9c441537) SHA1(f95bad52d9392b8fc9d9b8779b7b861672a0022b)) |
| 71 | ROM_END |
| 72 | |
| 73 | /* Driver */ |
| 74 | |
| 75 | /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ |
| 76 | COMP( 1981, mccpm, 0, 0, mccpm, mccpm, 0, "GRAF Elektronik Systeme GmbH", "mc-CP/M-Computer", GAME_NOT_WORKING | GAME_NO_SOUND) |
| 77 | |