Ojousan (Japan 870108, medal)
Game Information
| manufacturer | Nichibutsu |
| year | 1987 |
| Clone of | ojousan |
| genre | Mature |
| downloads | 38 |
Screenshots
Download Details
| split set | ojousanm.zip 95.47KiB |
| parent set | ojousan.zip 317.91KiB ↗ |
| merged set | ojousan.7z 309.99KiB |
| standalone set | ojousanm.7z 272.21KiB |
Game Details
Arcade Video game published 37 years ago:
Ojousan (c) 1987 Nichibutsu.
Mahjong with beautiful 'prizes'.
- TECHNICAL -
Main CPU : Zilog Z80 (@ 5 Mhz)
Sound Chips : General Instrument AY8910 (@ 1.25 Mhz), DAC (@ 1.25 Mhz)
Screen orientation : Horizontal
Video resolution : 512 x 224 pixels
Screen refresh : 60.00 Hz
Palette Colors : 65536
Player : 2
Control : mahjong keyboard
- TRIVIA -
Ojousan was released in December 1987 in Japan.
Driver Details
| source | nichibutsu/nbmj8688.cpp |
| driver status | good |
| emulation status | good |
| save states | supported |
| channels | 1 |
Screen Details
| display | screen |
| type | raster |
| orientation | horizontal |
| width | 512 |
| height | 224 |
| refresh rate | 60.00hz |
Input Details
| player: | 1 |
| type | mahjong |
| directions | N/A |
| buttons | 26way |
| player: | 2 |
| type | mahjong |
| directions | N/A |
| buttons | 26way |
Chipset Details
| Zilog Z80 | 5.00mhz |
| Speaker | present |
| AY-3-8910A PSG | 1.25mhz |
| 8-Bit R-2R DAC | present |
ROM Details
| name | size | crc |
|---|---|---|
| 1.4ga | 32.00KiB | ba1d08dd |
| 2.3ga | 32.00KiB | 26a093fa |
| 3.3i | 64.00KiB | 59f355eb |
| 4.2i | 64.00KiB | 6f750500 |
| 5.1i | 64.00KiB | 4babcb40 |
| 3.2a | 128.00KiB | 5da11cc3 |
| 4.3a | 128.00KiB | d1cf2096 |
| 5.4a | 128.00KiB | 935c765f |
| 6.5a | 128.00KiB | 57b6906c |
| 7.6a | 128.00KiB | c2428e95 |
| 8.7a | 128.00KiB | f04c6003 |