| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| changesa | orca/marineb.cpp | | no | no | no | yes | Changes (EME license) | 1982 | Orca (Eastern Micro Electronics, Inc. license) | changes | changes | Maze / Collect |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| changes3.1 | 4096 | ff80cad7 | 00a97137c0b92e8b9532c824bade89002ec5d63c | maincpu | 0 | good | no | | |
| changes.2 | 4096 | 0e627f0b | 59012c8f65b921387b381dbc5157a7a22b3d50dc | maincpu | 1000 | good | no | changes.2 | |
| changes3.3 | 4096 | 359bf7e1 | 9c3cc4415ccaa0276f98224ca373922c2425bb40 | maincpu | 2000 | good | no | | |
| changes.4 | 4096 | a8e9aa22 | fbccf017851eb099960ad51ef3060a16bc0107a5 | maincpu | 3000 | good | no | changes.4 | |
| changes3.5 | 4096 | c197e64a | 86b9f5f51f208bc9cdda3d13176147dbcafdc913 | maincpu | 4000 | good | no | | |
| changes.7 | 8192 | 2204194e | 97ee40dd804158e92a2a1034f8e910f1057a7b54 | tiles | 0 | good | no | changes.7 | |
| changes.6 | 8192 | 985c9db4 | d95a8794b96aec9133fd49b7d5724c161c5478bf | sprites | 0 | good | no | changes.6 | |
| changes.1b | 256 | f693c153 | 463426b580fa02f00baf2fff9f42d34b52bd6be4 | proms | 0 | good | no | changes.1b | |
| changes.1c | 256 | f8331705 | cbead7ed85f96219af14b6552301906f32260b69 | proms | 100 | good | no | changes.1c | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Zilog Z80 | 3000000 |
| audio | mono | Speaker | |
| audio | ay1 | AY-3-8910A PSG | 1500000 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| joy | 1 | | 8 | no | | | | | | | |
| joy | 2 | | 8 | no | | | | | | | |
|
device_ref
| name |
| z80 |
| ls259 |
| watchdog |
| screen |
| gfxdecode |
| palette |
| speaker |
| ay8910 |
|
dipswitch
| name | tag | mask |
| Lives | DSW | 3 |
| Coinage | DSW | 12 |
| 1st Bonus Life | DSW | 16 |
| 2nd Bonus Life | DSW | 32 |
| Cabinet | DSW | 64 |
| Unknown | DSW | 128 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 0 | 256 | 224 | 60.000000 | | | | | | | | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| good | good | supported | no | no | no | no | |
|
input
| players | coins | service | tilt |
| 2 | 1 | no | no |
|
port
|
sound
|