| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | cloneof | romof | MachineGenreId |
| prehisleu | snk/prehisle.cpp | | no | no | no | yes | Prehistoric Isle in 1930 (US) | 1989 | SNK | prehisle | prehisle | Shooter / Flying Horizontal |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| gt-u2.2h | 131072 | a14f49bb | 6b39a894c3d3862be349a58c748d2d763d5a269c | maincpu | 0 | good | no | | |
| gt-u3.3h | 131072 | f165757e | 26cf369fed1713deec182852d76fe014ed46d6ac | maincpu | 1 | good | no | | |
| gt1.1 | 65536 | 80a4c093 | abe59e43259eb80b504bd5541f58cd0e5eb998ab | audiocpu | 0 | good | no | gt1.1 | |
| gt15.b15 | 32768 | ac652412 | 916c04c3a8a7bfb961313ab73c0a27d7f5e48de1 | chars | 0 | good | no | gt15.b15 | |
| pi8914.b14 | 262144 | 207d6187 | 505dfd1424b894e7b898f91b89f021ddde433c48 | bgtiles | 0 | good | no | pi8914.b14 | |
| pi8916.h16 | 262144 | 7cffe0f6 | aba08617964fc425418b098be5167021768bd47c | fgtiles | 0 | good | no | pi8916.h16 | |
| pi8910.k14 | 524288 | 5a101b0b | 9645ab1f8d058cf2c6c42ccb4ce92a9b5db10c51 | sprites | 0 | good | no | pi8910.k14 | |
| gt5.5 | 131072 | 3d3ab273 | b5706ada9eb2c22fcc0ac8ede2d2ee02ee853191 | sprites | 80000 | good | no | gt5.5 | |
| gt11.11 | 65536 | b4f0fcf0 | b81cc0b6e3e6f5616789bb3e77807dc0ef718a38 | bgtilemap | 0 | good | no | gt11.11 | |
| gt4.4 | 131072 | 85dfb9ec | 78c865e7ccffddb71dcddccab358fa945f521f25 | upd | 0 | good | no | gt4.4 | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Motorola MC68000 | 9000000 |
| cpu | audiocpu | Zilog Z80 | 4000000 |
| audio | mono | Speaker | |
| audio | ymsnd | YM3812 OPL2 | 4000000 |
| audio | upd | NEC uPD7759 | 640000 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| joy | 1 | 3 | 8 | no | | | | | | | |
| joy | 2 | 3 | 8 | no | | | | | | | |
|
device_ref
| name |
| m68000 |
| z80 |
| screen |
| gfxdecode |
| palette |
| speaker |
| generic_latch_8 |
| ym3812 |
| upd7759 |
|
dipswitch
| name | tag | mask |
| Flip Screen | DSW0 | 1 |
| Level Select | DSW0 | 2 |
| Bonus Life | DSW0 | 4 |
| Unknown | DSW0 | 8 |
| Coinage | DSW0 | 48 |
| Lives | DSW0 | 192 |
| Difficulty | DSW1 | 3 |
| Game Mode | DSW1 | 12 |
| Bonus Life | DSW1 | 48 |
| Allow Continue | DSW1 | 64 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 0 | 256 | 224 | 59.185606 | 6000000 | 384 | 0 | 256 | 264 | 16 | 240 | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| good | good | supported | no | no | no | no | |
|
input
| players | coins | service | tilt |
| 2 | 2 | yes | yes |
|
port
| tag |
| :COIN |
| :DSW0 |
| :DSW1 |
| :P1 |
| :P2 |
|
sound
|