| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| megaplay | sega/megaplay.cpp | | yes | no | no | yes | Mega Play BIOS | 1993 | Sega | | | System / BIOS |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| ep15294.ic2 | 131072 | aa8dc2d8 | 96771ad7b79dc9c83a1594243250d65052d23176 | mtbios | 0 | good | no | | ver1 |
| epr-a15294.ic2 | 131072 | f97c68aa | bcabc879950bca1ced11c550a484e697ec5706b2 | mtbios | 0 | good | no | | ver2 |
| 315-5661.ic7 | 279 | d8289e31 | a0e9134d9e8043a3660a2ce122cfd5d7f76773b9 | plds | 0 | baddump | no | | |
| 315-5653.ic56 | 279 | fd5c4fb3 | 6b2ba657836f3031d77602526416200e31d41a6e | plds | 117 | baddump | no | | |
| 315-5651.ic8 | 279 | 55c6cddb | e1a968305ca7ea17e9021b31506ca087b84a8ab1 | plds | 22e | baddump | no | | |
| 315-5349a.ic54 | 260 | 825ea316 | f49edb6a3f9349330f7ff525ef60517ed276a663 | plds | 345 | baddump | no | | |
| 315-5654.ic33 | 260 | | | plds | 449 | nodump | no | | |
| 315-5655.ic34 | 260 | 4a2d27d1 | ba79183e4b522d1b57a46a56fc7d9b85de24df36 | plds | 54d | baddump | no | | |
|
biosset
| name | description | default |
| ver1 | Mega Play BIOS (Ver. 1) | no |
| ver2 | Mega Play BIOS (Ver. 2) | no |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Motorola MC68000 | 7670453 |
| cpu | genesis_snd_z80 | Zilog Z80 | 3579545 |
| cpu | mtbios | Zilog Z80 | 3579540 |
| audio | gen_vdp | Sega 315-5313 Megadrive VDP | 53693175 |
| audio | gen_vdp:snsnd | Sega VDP PSG | 3579545 |
| audio | lspeaker | Speaker | |
| audio | rspeaker | Speaker | |
| audio | ymsnd | YM2612 OPN2 | 7670453 |
| audio | vdp1 | Sega 315-5246 SMS2 VDP | 10738620 |
| audio | vdp1:snsnd | Sega VDP PSG | 3579540 |
|
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 |
| speaker |
| ym2612 |
| z80 |
| cxd1095 |
| cxd1095 |
| sega315_5246 |
| palette |
| segapsg |
|
dipswitch
| name | tag | mask |
| Coin slot 1 | DSW0 | 15 |
| Coin slot 2 | DSW0 | 240 |
| Unknown | DSW1 | 1 |
| Unknown | DSW1 | 2 |
| Unknown | DSW1 | 4 |
| Unknown | DSW1 | 8 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| megadriv | raster | 0 | 1280 | 224 | 59.922742 | | | | | | | | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| imperfect | good | unsupported | no | no | no | no | |
|
feature
| type | status | overall |
| graphics | imperfect | |
|
input
| players | coins | service | tilt |
| 2 | 2 | yes | no |
|
port
| tag |
| :COIN |
| :DSW0 |
| :DSW1 |
| :PAD1 |
| :PAD2 |
| :TEST |
|
sound
|