999
Game Information
| manufacturer | Chang Yu Electronic |
| year | 1991? |
| genre | N/A |
| downloads | 6 |
Screenshots
Download Details
| split set | changyu2.zip 180.87k |
| bios/device | ym2413.zip 313.00b |
| merged set | changyu2.7z 159.80k |
| standalone set | changyu2.7z 159.97k |
Driver Details
| source | misc/changyu.cpp |
| status | preliminary |
| emulation | preliminary |
| savestate | unsupported |
| type | sound |
| status | imperfect |
Screen Details
| display | screen |
| type | raster |
| orientation | horizontal |
| width | 512px |
| height | 256px |
| refresh | 60mhz |
Input Details
| player | 1 |
| type | gambling |
| buttons | 13 |
| directions | N/A |
Chipset Details
| name | MOS Technology 6502 |
| clock | 1.91mhz |
| name | Intel 87C51 |
| clock | 7.63mhz |
| name | Speaker |
| clock | N/A |
| name | AY-3-8910A PSG |
| clock | 1.91mhz |
| name | HC-55516 |
| clock | 1.91mhz |
| name | YM2413 OPLL |
| clock | 3.41mhz |
ROM Details
| name | size | crc |
|---|---|---|
| 95.bin | 64.00k | c3a8061f |
| 99c.bin | 4.00k | 8d52dc7d |
| 91.bin | 32.00k | 747c98e3 |
| 92.bin | 32.00k | 93ac967a |
| 93.bin | 32.00k | 1d2b75de |
| 94.bin | 32.00k | f61a8410 |
| 96c.bin | 64.00k | 06d11350 |
| 97c.bin | 64.00k | e242ab79 |
| 98c.bin | 64.00k | c8879f76 |
| 63s281n.u48 | 256.00b | eb75e89b |
| 63s281n.u49 | 256.00b | 137e2d9c |
| 82s123.u44 | 32.00b | cbd7e5d4 |
| 9a | 260.00b | nodump |
| 9b | 260.00b | nodump |