| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| astrians | galaxian/galaxian.cpp | | no | no | no | yes | Astrians (clone of Swarm) | 1980 | bootleg (BGV Ltd.) | galaxian | galaxian | Shooter / Gallery |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| astrians.7h | 2048 | 21eba3d0 | d07f141d785c86faca8c40af034c26f2789e9346 | maincpu | 0 | good | no | | |
| astrians.7j | 2048 | f3a436cd | 8d64e61b823e22f17cb79bf9e0c7b3c80c76413f | maincpu | 800 | good | no | | |
| astrians.7k | 2048 | 2915e38b | 045d4cc2c363b9ba8d066f902f03b7eacbeb1f5e | maincpu | 1000 | good | no | | |
| astrians.7l | 2048 | 2db56b2f | b15ce010560f3692d4254a93bff234b409697bac | maincpu | 1800 | good | no | | |
| astrians.7m | 2048 | 41075efb | 2839981d9aab87167a6c8c3e9854028e3e11daaa | maincpu | 2000 | good | no | | |
| astrians.1h | 2048 | 77c074b4 | a33f8826ffd593454b72b21cf6d7be084d095a87 | gfx1 | 0 | good | no | | |
| astrians.1k | 2048 | c30fcc46 | e99998271c750ffa436d83277bea9f07b840c880 | gfx1 | 800 | good | no | | |
| prom.6l | 32 | 6a0c7d87 | 140335d85c67c75b65689d4e76d29863c209cf32 | proms | 0 | good | no | | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Zilog Z80 | 3072000 |
| audio | speaker | Speaker | |
| audio | cust:discrete | Discrete Sound | |
|
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 |
| watchdog |
| gfxdecode |
| palette |
| screen |
| speaker |
| galaxian_sound |
| discrete |
|
dipswitch
| name | tag | mask |
| Cabinet | IN0 | 32 |
| Service Mode | IN0 | 64 |
| Coinage | IN1 | 192 |
| Bonus Life | IN2 | 3 |
| Lives | IN2 | 4 |
| Difficulty | IN2 | 8 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 90 | 768 | 224 | 60.606061 | 18432000 | 1152 | 0 | 768 | 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 | no | no |
|
port
|
sound
|