| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| gground | sega/segas24.cpp | | no | no | no | yes | Gain Ground (World, 3 Players, Floppy Based, FD1094 317-0058-03d Rev A) | 1988 | Sega | | | Shooter / Walking |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| epr-12187.ic2 | 131072 | e83783f3 | 4b3b32df7de85aef9cd77c8a4ffc17e10466b638 | maincpu | 0 | good | no | | |
| epr-12186.ic1 | 131072 | ce76319d | 0ede61f0700f9161285c768fa97636f0e42b96f8 | maincpu | 1 | good | no | | |
| 317-0058-03d.key | 8192 | e1785bbd | b4bebb2829299f1c0815d6a5f317a2526b322f63 | subcpu:key | 0 | good | no | | |
| ds3-5000-03d-rev-a.img | 1843200 | 5c5910f2 | 9ed564a03c0d4ca4a207f3ecfb7336c6cbcaa70f | floppy | 0 | good | no | | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Motorola MC68000 | 10000000 |
| cpu | subcpu | Hitachi FD1094 Encrypted CPU | 10000000 |
| audio | lspeaker | Speaker | |
| audio | rspeaker | Speaker | |
| audio | ymsnd | YM2151 OPM | 4000000 |
| audio | dac | 8-Bit R-2R DAC | |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| joy | 1 | 3 | 8 | no | | | | | | | |
| joy | 2 | 3 | 8 | no | | | | | | | |
| joy | 3 | 2 | 8 | no | | | | | | | |
|
device_ref
| name |
| m68000 |
| timer |
| fd1094 |
| 315_5296 |
| timer |
| timer |
| timer |
| timer |
| segas24_tile |
| segas24_sprite |
| segas24_mixer |
| screen |
| palette |
| speaker |
| speaker |
| ym2151 |
| dac_8bit_r2r |
| nvram |
|
dipswitch
| name | tag | mask |
| Coin A | COINAGE | 15 |
| Coin B | COINAGE | 240 |
| Flip Screen | DSW | 1 |
| Demo Sounds | DSW | 2 |
| Difficulty | DSW | 28 |
| Time Limit Per Stage | DSW | 96 |
| Clock Of Time Limit | DSW | 128 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 270 | 496 | 384 | 57.524160 | 16000000 | 656 | 0 | 496 | 424 | 0 | 384 | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| good | good | unsupported | no | no | no | no | |
|
input
| players | coins | service | tilt |
| 3 | 4 | yes | no |
|
port
| tag |
| :COINAGE |
| :DSW |
| :P1 |
| :P2 |
| :P3 |
| :SERVICE |
|
sound
|