Multi-Action 7551-21-R2P
Screenshots
Download Details
| split set | ma7551p.zip 167.11k |
| merged set | ma7551p.7z 118.94k |
| standalone set | ma7551p.7z 118.94k |
Driver Details
| source | merit/merit3xx.cpp |
| status | preliminary |
| emulation | preliminary |
| savestate | unsupported |
| type | sound |
| status | unemulated |
Screen Details
| display | screen |
| type | raster |
| orientation | horizontal |
| width | 512px |
| height | 256px |
| refresh | 60.13mhz |
Input Details
| player | 1 |
| type | gambling |
| buttons | 12 |
| directions | N/A |
Chipset Details
| name | Zilog Z80 |
| clock | 4.77mhz |
| name | Speaker |
| clock | N/A |
| name | YM2149 SSG |
| clock | 1.76mhz |
ROM Details
| name | size | crc |
|---|---|---|
| u8_7551-21-r2p.u8 | 32.00k | a2ae7a03 |
| u9_7551-21-r2p.u9 | 32.00k | 2e669bc9 |
| u10_7551-21-r2p.u10 | 32.00k | e9425269 |
| u15_7551-21-r2p.u15 | 32.00k | 31283190 |
| u14_7551-21-r2p.u14 | 32.00k | fe993b57 |
| u13_7551-21-r2p.u13 | 32.00k | 9194d993 |
| u12_7551-21-r2p.u12 | 32.00k | 8ca19c9c |
| u46_nc+.u46 | 64.00k | 5140ca67 |
| u47_nc+.u47 | 64.00k | 5f1d8ffa |
| u48_nc+.u48 | 64.00k | 1ef22a70 |
| dallas_ds1225y-150.u7 | 8.00k | 2526c25c |
| dallas_ds1230y-120.u17 | 32.00k | 54099035 |