| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | cloneof | romof | MachineGenreId |
| bk3ssrmb | sega/megadriv_acbl.cpp | | no | no | no | yes | Bare Knuckle III / Sunset Riders (scrambled bootleg of Mega Drive versions) | 1994 | bootleg / Sega | | | Shooter / 2.5D |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| 1.u15 | 524288 | 120a4b64 | 7084fde0d08143f48f83d2afef30522d75c7889c | maincpu | 0 | good | no | | |
| 5.u14 | 524288 | 1eb625d3 | 8f67ab874643b3eafe91768df84ea4a3b8a5fa82 | maincpu | 1 | good | no | | |
| 2.u13 | 524288 | af439685 | 5cc55608355e11096c9fadb8d2460cf66704deec | maincpu | 100000 | good | no | | |
| 6.u12 | 524288 | 24d31e12 | 64c1b968e1ee5d0355d902e280f33e4466f27b07 | maincpu | 100001 | good | no | | |
| 3.u11 | 524288 | dfa5c478 | 079a9cad5c2252b2d65aa3c4dc9cba331078eeb9 | maincpu | 200000 | good | no | | |
| 7.u10 | 524288 | bba4a585 | 32c59729943d7b4c1a39f2a2b0dae9ce16991e9c | maincpu | 200001 | good | no | | |
| 4.u9 | 262144 | e5f1ab97 | 0f4c527043f1272e75a996f4f7270c6ea4ed3c4d | maincpu | 300000 | good | no | | |
| 8.u8 | 262144 | 32ee1048 | 1b135c200b4440e95a7d1766b4b404ddd238872d | maincpu | 300001 | good | no | | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Motorola MC68000 | 7670453 |
| cpu | genesis_snd_z80 | Zilog Z80 | 3579545 |
| audio | gen_vdp | Sega 315-5313 Megadrive VDP | 53693175 |
| audio | gen_vdp:snsnd | Sega VDP PSG | 3579545 |
| audio | speaker | Speaker | |
| audio | ymsnd | YM2612 OPN2 | 7670453 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| joy | 1 | 3 | 8 | no | | | | | | | |
| joy | 2 | 3 | 8 | no | | | | | | | |
|
device_ref
| name |
| m68000 |
| timer |
| sega315_5313 |
| palette |
| segapsg |
| palette |
| palette |
| palette |
| screen |
| z80 |
| ipt_merge_any_hi |
| megadrive_io_port |
| megadrive_io_port |
| megadrive_io_port |
| speaker |
| ym2612 |
|
dipswitch
| name | tag | mask |
| Coinage | DSWA | 7 |
| Lives | DSWA | 24 |
| Difficulty | DSWA | 224 |
| Unknown | DSWB | 1 |
| Unknown | DSWB | 2 |
| Unknown | DSWB | 4 |
| Unknown | DSWB | 8 |
| Unknown | DSWB | 16 |
| Unknown | DSWB | 32 |
| Unknown | DSWB | 64 |
| Unknown | DSWB | 128 |
| Unknown | DSWC | 1 |
| Unknown | DSWC | 2 |
| Unknown | DSWC | 4 |
| Unknown | DSWC | 8 |
| Unknown | DSWC | 16 |
| Unknown | DSWC | 32 |
| Unknown | DSWC | 64 |
| Unknown | DSWC | 128 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| megadriv | raster | 0 | 256 | 224 | 59.922743 | | | | | | | | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| preliminary | preliminary | unsupported | no | no | no | no | |
|
input
| players | coins | service | tilt |
| 2 | 2 | no | no |
|
port
| tag |
| :DSWA |
| :DSWB |
| :DSWC |
| :EXP |
| :PAD1 |
| :PAD2 |
|
sound
|