| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| ribbit | sega/segac2.cpp | | no | no | no | yes | Ribbit! | 1991 | Sega | | | Shooter / Misc. |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| epr-13833.ic32 | 262144 | 5347f8ce | b95b99536157edfbf0d74a42f64235f47dca7ee1 | maincpu | 0 | good | no | | |
| epr-13832.ic31 | 262144 | 889c42c2 | 0839a50a68b64a66d995f1bfaff42fcb60bb4d45 | maincpu | 1 | good | no | | |
| epr-13838.ic34 | 524288 | a5d62ac3 | 8d83a7bc4017e125ef4231278f766b2368d5fc1f | maincpu | 100000 | good | no | | |
| epr-13837.ic33 | 524288 | 434de159 | cf2973131cabf2bc0ebb2bfe9f804ad3d7d0a733 | maincpu | 100001 | good | no | | |
| epr-13834.ic4 | 131072 | ab0c1833 | f864e12ecf6c0524da20fc66747a4fa4280e67e9 | upd | 0 | good | no | | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Motorola MC68000 | 8948862 |
| audio | gen_vdp | Sega 315-5313 Megadrive VDP | 53693175 |
| audio | gen_vdp:snsnd | Sega VDP PSG | 3579545 |
| audio | mono | Speaker | |
| audio | ymsnd | YM3438 OPN2C | 7670453 |
| audio | upd | NEC uPD7759 | 640000 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| joy | 1 | | 8 | no | | | | | | | |
| joy | 2 | | 8 | no | | | | | | | |
|
device_ref
| name |
| m68000 |
| nvram |
| 315_5296 |
| sega315_5313 |
| palette |
| segapsg |
| palette |
| palette |
| palette |
| timer |
| screen |
| palette |
| speaker |
| ym3438 |
| upd7759 |
|
dipswitch
| name | tag | mask |
| Coin A | COINAGE | 15 |
| Coin B | COINAGE | 240 |
| Credits to Start | DSW | 1 |
| Demo Sounds | DSW | 2 |
| Lives | DSW | 12 |
| Difficulty | DSW | 48 |
| Unused | DSW | 64 |
| Unused | DSW | 128 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 0 | 256 | 224 | 59.922743 | 8038276 | 512 | 0 | 256 | 262 | 0 | 224 | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| good | good | unsupported | no | no | no | no | |
|
input
| players | coins | service | tilt |
| 2 | 2 | yes | no |
|
port
| tag |
| :COINAGE |
| :DSW |
| :P1 |
| :P2 |
| :SERVICE |
|
sound
|