SDI - Strategic Defense Initiative (System 16B, FD1089A 317-0028)
Game Information
| manufacturer | Sega |
| year | 1987 |
| clone of | sdi |
| other clones | defense sdia sdib sdibl sdibl2 sdibl3 sdibl4 sdibl5 sdibl6 |
| genre | Shoot-'Em-Up |
| downloads | 61 |
Screenshots
Download Details
| split set | sdib.zip 338.53k |
| parent set | sdi.zip 362.01k ↗ |
| standalone set | sdib.7z 320.94k |
Driver Details
| source | sega/segas16b.cpp |
| status | good |
| emulation | good |
| savestate | unsupported |
Screen Details
| display | screen |
| type | raster |
| orientation | horizontal |
| width | 320px |
| height | 224px |
| refresh | 60.05mhz |
Input Details
| player | 1 |
| type | joy |
| buttons | 1 |
| directions | 8 |
| player | 1 |
| type | trackball |
| buttons | N/A |
| directions | N/A |
| player | 2 |
| type | joy |
| buttons | 1 |
| directions | 8 |
| player | 2 |
| type | trackball |
| buttons | N/A |
| directions | N/A |
Chipset Details
| name | Hitachi FD1089A Encrypted CPU |
| clock | 9.54mhz |
| name | Zilog Z80 |
| clock | 4.77mhz |
| name | Speaker |
| clock | N/A |
| name | YM2151 OPM |
| clock | 3.81mhz |
| name | NEC uPD7759 |
| clock | 625.00khz |
| name | Netlist Sound Device |
| clock | N/A |
ROM Details
| name | size | crc |
|---|---|---|
| epr-10986a.a4 | 32.00k | 3e136215 |
| epr-10984a.a1 | 32.00k | 44bf3cf5 |
| epr-10987a.a5 | 32.00k | cfd79404 |
| epr-10985a.a2 | 32.00k | 1c21a03f |
| epr-10829.a6 | 32.00k | a431ab08 |
| epr-10826.a3 | 32.00k | 2ed8e4b7 |
| epr-10772.b9 | 64.00k | 182b6301 |
| epr-10773.b10 | 64.00k | 8f7129a2 |
| epr-10774.b11 | 64.00k | 4409411f |
| 10760.b1 | 64.00k | 70de327b |
| 10763.b5 | 64.00k | 99ec5cb5 |
| 10761.b2 | 64.00k | 4e80f80d |
| 10764.b6 | 64.00k | 602da5d5 |
| 10762.b3 | 64.00k | 464b5f78 |
| 10765.b7 | 64.00k | 0a73a057 |
| 10775.a7 | 32.00k | 4cbd55a8 |
| 317-0028.key | 8.00k | 1514662f |