| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| ma7551p | merit/merit3xx.cpp | | no | no | no | yes | Multi-Action 7551-21-R2P | 199? | Merit | | | MultiGame / Gambling Board |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| u8_7551-21-r2p.u8 | 32768 | a2ae7a03 | 2d923cf068fd1b9bd5f48a110f5155b876b9ba37 | maincpu | 0 | good | no | | |
| u9_7551-21-r2p.u9 | 32768 | 2e669bc9 | 376e808a62e92169a5ae34b9ef808fe4eda6c13c | maincpu | 8000 | good | no | | |
| u10_7551-21-r2p.u10 | 32768 | e9425269 | 030a3d9beafd08c5a571672fb6987525c8d9a0f5 | maincpu | 10000 | good | no | | |
| u15_7551-21-r2p.u15 | 32768 | 31283190 | 153601d5df7fbbc116f876399ce194797175be2f | maincpu | 20000 | good | no | | |
| u14_7551-21-r2p.u14 | 32768 | fe993b57 | 4c872b3dff278298558493f6fd9a64be63613956 | maincpu | 28000 | good | no | | |
| u13_7551-21-r2p.u13 | 32768 | 9194d993 | 52d094f55c329a7f0b4bf1dd02a7784e9a9faa12 | maincpu | 30000 | good | no | | |
| u12_7551-21-r2p.u12 | 32768 | 8ca19c9c | a694a9be8b6d2beea8ee171dcfb2fa64eb6af14c | maincpu | 38000 | good | no | | |
| u46_nc+.u46 | 65536 | 5140ca67 | 0f5f7062cd874529630fd6f58e640c11f0692786 | gfx1 | 0 | good | no | | |
| u47_nc+.u47 | 65536 | 5f1d8ffa | c8fe36f91ddd634e6d66434342b8dafdc1ffa332 | gfx1 | 10000 | good | no | | |
| u48_nc+.u48 | 65536 | 1ef22a70 | f33db37dc6e2ded3a39907eb5f5ea6306fd6f8b0 | gfx1 | 20000 | good | no | | |
| dallas_ds1225y-150.u7 | 8192 | 2526c25c | fe7d54e65dc7bd93576f496160f63b3c8e8c128b | nvram | 0 | good | no | | |
| dallas_ds1230y-120.u17 | 32768 | 54099035 | 2a8854a862bc24ff72470660e60e9e4228158b42 | nvram2 | 0 | good | no | | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Zilog Z80 | 5000000 |
| audio | speaker | Speaker | |
| audio | ymsnd | YM2149 SSG | 1843200 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| gambling | | 12 | | no | | | | | | | |
|
device_ref
| name |
| z80 |
| nvram |
| i8255 |
| i8255 |
| screen |
| hd6845s |
| bt476 |
| ns16550 |
| gfxdecode |
| speaker |
| ym2149 |
|
dipswitch
| name | tag | mask |
| IN1.1 | IN1 | 1 |
| IN1.6 | IN1 | 32 |
| IN1.7 | IN1 | 64 |
| IN2.2 | IN2 | 2 |
| IN2.4 | IN2 | 8 |
| IN2.5 | IN2 | 16 |
| IN2.6 | IN2 | 32 |
| IN2.7 | IN2 | 64 |
| IN2.8 | IN2 | 128 |
| PB | PB | 1 |
| Unknown | PB | 2 |
| Unknown | PB | 4 |
| Unknown | PB | 8 |
| Unknown | PB | 16 |
| Unknown | PB | 32 |
| Unknown | PB | 64 |
| Unknown | PB | 128 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 0 | 512 | 256 | 60.125060 | 10000000 | 616 | 0 | 512 | 270 | 0 | 256 | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| preliminary | preliminary | unsupported | no | no | no | no | |
|
feature
| type | status | overall |
| sound | unemulated | |
|
input
| players | coins | service | tilt |
| 1 | 2 | yes | no |
|
port
|
sound
|