| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | cloneof | romof | MachineGenreId |
| biohzdmb | sega/megadriv_acbl.cpp | | no | no | no | yes | Bio-Hazard Battle (scrambled bootleg of Mega Drive version) | 1993 | bootleg / Sega | | | Maze / Collect |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| u14 | 524288 | b96cf28c | 0a49cf2fc0a2712b423b4e1f95a4befe3bf5c746 | maincpu | 1 | good | no | | |
| u15 | 524288 | 41a8eae8 | a9db565f4ca4d71c81fbb44fd429221951887bab | maincpu | 0 | 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 | 2 | 8 | no | | | | | | | |
| joy | 2 | 2 | 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 |
| Difficulty | DSWB | 3 |
| Lives | DSWC | 3 |
|
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
|