| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| betafrce | stern/astinvad.cpp | invaders | no | no | no | yes | Beta Force | 1980? | bootleg (Omni) | kamikaze | kamikaze | Shooter / Gallery |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| b1 | 1024 | d5e4ce6b | 19d8b9df8cbfe674ea45b0137d98951117a4b890 | maincpu | 0 | good | no | | |
| 2k | 1024 | 786599d2 | 70db8dae052c3556948d75b741ef4346aa947479 | maincpu | 400 | good | no | | |
| 3k | 1024 | 12621222 | 062b1dff3e129dff23e55bef0d29c72ac5f212c4 | maincpu | 800 | good | no | | |
| 4k | 1024 | 0c5b8988 | a77fd2c58ee640973653b8af34b7ed3d81cae935 | maincpu | c00 | good | no | | |
| 5k | 1024 | 5e8b2b6f | ec8499325d5a3dcb0d10e9f12b9d3a03f629bbfd | maincpu | 1000 | good | no | | |
| 6k | 1024 | 20cd429b | a7d3216c005a7905b3549a4eee6c47fc5a9621fc | maincpu | 1400 | good | no | | |
| 7k | 1024 | 637bf292 | baf40f5a04331c4cf2b83830f3203bd65a2bb271 | maincpu | 1800 | good | no | | |
| 40.bin | 1024 | d62a3e62 | 00d42988203fbf167791cf5b887f06d1d015e942 | proms | 0 | baddump | no | | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Zilog Z80 | 2000000 |
| audio | mono | Speaker | |
| audio | samples | Samples | |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| joy | 1 | 1 | 2 | no | | | | | | | |
| joy | 2 | 1 | 2 | no | | | | | | | |
|
device_ref
| name |
| z80 |
| i8255 |
| i8255 |
| screen |
| palette |
| speaker |
| samples |
|
dipswitch
| name | tag | mask |
| Cabinet | CABINET | 255 |
| Lives | IN1 | 3 |
| Bonus Life | IN1 | 136 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 270 | 256 | 224 | 60.000000 | 4915200 | 320 | 0 | 256 | 256 | 32 | 256 | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| imperfect | good | supported | no | no | no | no | |
|
feature
| type | status | overall |
| sound | imperfect | |
|
input
| players | coins | service | tilt |
| 2 | 1 | no | no |
|
port
| tag |
| :CABINET |
| :IN0 |
| :IN1 |
| :IN2 |
|
sample
|
sound
|