src/mess/drivers/k8915.c
| r0 | r8947 | |
|---|
| 1 | /*************************************************************************** |
| 2 | |
| 3 | Robotron K8915 |
| 4 | |
| 5 | 30/08/2010 Skeleton driver |
| 6 | |
| 7 | ****************************************************************************/ |
| 8 | |
| 9 | #include "emu.h" |
| 10 | #include "cpu/z80/z80.h" |
| 11 | |
| 12 | static UINT8 *k8915_ram; |
| 13 | |
| 14 | static ADDRESS_MAP_START(k8915_mem, ADDRESS_SPACE_PROGRAM, 8) |
| 15 | ADDRESS_MAP_UNMAP_HIGH |
| 16 | AM_RANGE(0x0000, 0xffff) AM_RAM AM_BASE(&k8915_ram) |
| 17 | ADDRESS_MAP_END |
| 18 | |
| 19 | static ADDRESS_MAP_START( k8915_io, ADDRESS_SPACE_IO, 8 ) |
| 20 | ADDRESS_MAP_GLOBAL_MASK(0xff) |
| 21 | ADDRESS_MAP_END |
| 22 | |
| 23 | /* Input ports */ |
| 24 | INPUT_PORTS_START( k8915 ) |
| 25 | INPUT_PORTS_END |
| 26 | |
| 27 | static MACHINE_RESET(k8915) |
| 28 | { |
| 29 | UINT8* bios = memory_region(machine, "maincpu"); |
| 30 | memcpy(k8915_ram,bios, 0x1000); |
| 31 | } |
| 32 | |
| 33 | static VIDEO_START( k8915 ) |
| 34 | { |
| 35 | } |
| 36 | |
| 37 | static VIDEO_UPDATE( k8915 ) |
| 38 | { |
| 39 | return 0; |
| 40 | } |
| 41 | |
| 42 | static MACHINE_DRIVER_START( k8915 ) |
| 43 | /* basic machine hardware */ |
| 44 | MDRV_CPU_ADD("maincpu", Z80, XTAL_16MHz / 4) |
| 45 | MDRV_CPU_PROGRAM_MAP(k8915_mem) |
| 46 | MDRV_CPU_IO_MAP(k8915_io) |
| 47 | |
| 48 | MDRV_MACHINE_RESET(k8915) |
| 49 | |
| 50 | /* video hardware */ |
| 51 | MDRV_SCREEN_ADD("screen", RASTER) |
| 52 | MDRV_SCREEN_REFRESH_RATE(60) |
| 53 | MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ |
| 54 | MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) |
| 55 | MDRV_SCREEN_SIZE(256, 192) /* border size not accurate */ |
| 56 | MDRV_SCREEN_VISIBLE_AREA(0, 256 - 1, 0, 192 - 1) |
| 57 | |
| 58 | MDRV_PALETTE_LENGTH(2) |
| 59 | MDRV_PALETTE_INIT(black_and_white) |
| 60 | |
| 61 | MDRV_VIDEO_START(k8915) |
| 62 | MDRV_VIDEO_UPDATE(k8915) |
| 63 | MACHINE_DRIVER_END |
| 64 | |
| 65 | |
| 66 | /* ROM definition */ |
| 67 | ROM_START( k8915 ) |
| 68 | ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) |
| 69 | ROM_LOAD( "k8915.bin", 0x0000, 0x1000, CRC(ca70385f) SHA1(a34c14adae9be821678aed7f9e33932ee1f3e61c)) |
| 70 | ROM_END |
| 71 | |
| 72 | /* Driver */ |
| 73 | |
| 74 | /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ |
| 75 | COMP( 1982, k8915, 0, 0, k8915, k8915, 0, "Robotron", "K8915", GAME_NOT_WORKING | GAME_NO_SOUND) |