| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| ojousanm | nichibutsu/nbmj8688.cpp | | no | no | no | yes | Ojousan (Japan 870108, medal) | 1987 | Nichibutsu | ojousan | ojousan | Tabletop / Mahjong * Mature * |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| 1.4ga | 32768 | ba1d08dd | a1c46a0027b4294e50afd48a2389222ef06cd903 | maincpu | 0 | good | no | | |
| 2.3ga | 32768 | 26a093fa | b5bdc9b5f21655e8fe47c09c0bb3bb211d555f52 | maincpu | 8000 | good | no | | |
| 3.3i | 65536 | 59f355eb | 24826f5a89d8dfc64bc327982b4e9b5afd43368e | voice | 0 | good | no | mask.3i | |
| 4.2i | 65536 | 6f750500 | 0f958cfb1f3c1846f2f7ae94465b54207c7312ac | voice | 10000 | good | no | mask.2i | |
| 5.1i | 65536 | 4babcb40 | 4940a9ef210ea2128d562564f251078fc6e28bed | voice | 20000 | good | no | mask.1i | |
| 3.2a | 131072 | 5da11cc3 | 95814d722d95a7ad7da53ac7de046470a176cda3 | gfx1 | 0 | good | no | | |
| 4.3a | 131072 | d1cf2096 | b241eb0369a4d4101ccad894c48f8024ba288fe5 | gfx1 | 20000 | good | no | | |
| 5.4a | 131072 | 935c765f | fc3148e3ba354bf733a0962795122fda74e2ebfe | gfx1 | 40000 | good | no | | |
| 6.5a | 131072 | 57b6906c | e808bef5a47361723a155b60dedb2f613df5e455 | gfx1 | 60000 | good | no | | |
| 7.6a | 131072 | c2428e95 | 4bd35e3f0c6c7dece18e168d2c6261e64c051569 | gfx1 | 80000 | good | no | 7.9a | |
| 8.7a | 131072 | f04c6003 | 2fd81cc1e1f91630ef5767ba20be3fac9e131370 | gfx1 | a0000 | good | no | 8.10a | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Zilog Z80 | 5000000 |
| audio | speaker | Speaker | |
| audio | psg | AY-3-8910A PSG | 1250000 |
| audio | dac | 8-Bit R-2R DAC | |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| mahjong | 1 | 26 | | no | | | | | | | |
| mahjong | 2 | 26 | | no | | | | | | | |
|
device_ref
| name |
| z80 |
| nb1413m3 |
| nvram |
| screen |
| palette |
| speaker |
| ay8910 |
| dac_8bit_r2r |
|
dipswitch
| name | tag | mask |
| Game Out Rate | DSWA | 7 |
| Rate Min | DSWA | 24 |
| Rate Max | DSWA | 96 |
| Score Pool | DSWA | 128 |
| Rate Up | DSWB | 1 |
| Last Chance | DSWB | 2 |
| Character Display Test | DSWB | 4 |
| Unknown | DSWB | 8 |
| Unknown | DSWB | 16 |
| Unknown | DSWB | 32 |
| Unknown | DSWB | 64 |
| Unknown | DSWB | 128 |
| Service Mode | SYSTEM | 16 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 0 | 512 | 224 | 60.000000 | | | | | | | | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| good | good | supported | no | no | no | no | |
|
input
| players | coins | service | tilt |
| 2 | 1 | no | no |
|
port
| tag |
| :DSWA |
| :DSWB |
| :KEY0 |
| :KEY1 |
| :KEY2 |
| :KEY3 |
| :KEY4 |
| :KEY5 |
| :KEY6 |
| :KEY7 |
| :KEY8 |
| :KEY9 |
| :SYSTEM |
|
sound
|