| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| rockduck | dataeast/scregg.cpp | | no | no | no | yes | Rock Duck (prototype?) | 1983 | Datel SAS | | | Maze / Collect |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| rde.bin | 8192 | 56e2a030 | f03cca53ac30f1c4ec45afbe58c231673739e425 | maincpu | 4000 | good | no | | |
| rdc.bin | 8192 | 482d9a0c | 2838cbcd35edaf19848fcf1588ec3a35adf5b179 | maincpu | 6000 | good | no | | |
| rdb.bin | 8192 | 974626f2 | cfd767947df9aa99b22afbc0a83afd3f92e7d903 | maincpu | 8000 | good | no | | |
| rd3.rdg | 8192 | 8a3f1e53 | 398bbbab314e4ea87cc5f5978c7e806818398d02 | gfx1 | 0 | good | no | | |
| rd2.rdh | 8192 | e94e673e | 0adf01d35879b9dd355d0c53a51b5f416f22d7b2 | gfx1 | 2000 | good | no | | |
| rd1.rdj | 8192 | 654afff2 | f1e21447f0a2ac23cd64cf1f6f315937787b6377 | gfx1 | 4000 | good | no | | |
| eggs.c6 | 32 | e8408c81 | 549b9948a4a73e7a704731b942565183cef05d52 | proms | 0 | baddump | no | | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | MOS Technology 6502 | 1500000 |
| audio | mono | Speaker | |
| audio | ay1 | AY-3-8910A PSG | 1500000 |
| audio | ay2 | AY-3-8910A PSG | 1500000 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| joy | 1 | 1 | 4 | no | | | | | | | |
| joy | 2 | 1 | 4 | no | | | | | | | |
|
device_ref
| name |
| m6502 |
| timer |
| screen |
| gfxdecode |
| palette |
| speaker |
| ay8910 |
| ay8910 |
|
dipswitch
| name | tag | mask |
| Coin A | DSW1 | 3 |
| Coin B | DSW1 | 12 |
| Unused | DSW1 | 16 |
| Unused | DSW1 | 32 |
| Cabinet | DSW1 | 64 |
| Lives | DSW2 | 1 |
| Bonus Life | DSW2 | 6 |
| Unused | DSW2 | 8 |
| Unused | DSW2 | 16 |
| Unused | DSW2 | 32 |
| Unused | DSW2 | 64 |
| Difficulty | DSW2 | 128 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 270 | 240 | 240 | 57.444853 | 6000000 | 384 | 8 | 248 | 272 | 8 | 248 | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| preliminary | good | supported | no | no | no | no | |
|
feature
| type | status | overall |
| palette | unemulated | |
|
input
| players | coins | service | tilt |
| 2 | 2 | no | no |
|
port
|
sound
|