| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| iemoto | nichibutsu/nbmj8688.cpp | | no | no | no | yes | Iemoto (Japan 871020) | 1987 | Nichibutsu | | | Tabletop / Mahjong * Mature * |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| iemoto1.4g | 32768 | ab51f5c3 | 5b2a6be6ac3d1409523ce495605f906b47128f65 | maincpu | 0 | good | no | | |
| iemoto2.3g | 32768 | 873cd265 | 283fa86d916a7ad08dfdcd4b9592d36d48b62ede | maincpu | 8000 | good | no | | |
| iemoto3.3i | 65536 | 32d71ff9 | eefe53c6ad95d5e1f116162bbb30f8ec7e7ad005 | voice | 0 | good | no | | |
| iemoto4.2i | 65536 | 06f8e505 | dfca4999df2c9cb98204e3d2c3bd37ea561f3604 | voice | 10000 | good | no | | |
| iemoto5.1i | 65536 | 261eb61a | 8d03a190b9a5fbda318e475f64d0c94a3d4ed362 | voice | 20000 | good | no | | |
| iemoto31.1a | 262144 | ba005a3a | 305041f764b5ba9ffa882c1a69555a38a53b1556 | gfx1 | 0 | good | no | | |
| iemoto32.2a | 262144 | fa9a74ae | 08dd0cd07aeb8d77152e93c76db44e9034aa3954 | gfx1 | 40000 | good | no | | |
| iemoto33.3a | 262144 | efb13b61 | 61d100b52d01e447dd599cc9ff06b97dd7a4ae0b | gfx1 | 80000 | good | no | | |
| iemoto44.4a | 262144 | 9acc54fa | 7975370e1dd32ecd98d7f2e32f14feb88e0cdb43 | gfx1 | c0000 | good | no | | |
|
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 |
| Difficulty | DSWA | 7 |
| RENCHAN after TENPAIed RYUKYOKU | DSWA | 8 |
| Character Display Test | DSWA | 16 |
| Unknown | DSWA | 32 |
| Unknown | DSWA | 64 |
| Unknown | DSWA | 128 |
| Unknown | DSWB | 1 |
| Unknown | DSWB | 2 |
| Unknown | 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 | 2 | no | no |
|
port
| tag |
| :DSWA |
| :DSWB |
| :KEY0 |
| :KEY1 |
| :KEY2 |
| :KEY3 |
| :KEY4 |
| :KEY5 |
| :KEY6 |
| :KEY7 |
| :KEY8 |
| :KEY9 |
| :SYSTEM |
|
sound
|