| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| headon2 | sega/vicdual.cpp | | no | no | no | yes | Head On 2 | 1979 | Sega | | | Maze / Driving |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| u27.bin | 1024 | fa47d2fb | b3208f5bce228c453bdafbc9c1f2c8e1bd920d32 | maincpu | 0 | good | no | | |
| u26.bin | 1024 | 61c47b15 | 47619bd51fcaf47dd72e940c474f310c9287f2f4 | maincpu | 400 | good | no | | |
| u25.bin | 1024 | bb16db92 | f57dfbe52b0e545c7c889ac846dc7281d28f2698 | maincpu | 800 | good | no | | |
| u24.bin | 1024 | 17a09f24 | 0cb40ec185f2ee3a26e943d84e8e2834d5f9d3ed | maincpu | c00 | good | no | | |
| u23.bin | 1024 | 0024895e | 60f81c383f1541555c26f7cf111a12a34f7f4f3e | maincpu | 1000 | good | no | | |
| u22.bin | 1024 | f798304d | 55526c6daead9b74a88e8bc0311155aa41a93210 | maincpu | 1400 | good | no | | |
| u21.bin | 1024 | 4c19dd40 | 0bdfed47594c7aa5ff655b507350fc6a912b6855 | maincpu | 1800 | good | no | | |
| u20.bin | 1024 | 25887ff2 | 67cfb5ac93902b4c603f02c876c021ff453e5f0e | maincpu | 1c00 | good | no | | |
| 316-0138.u44 | 32 | 67104ea9 | 26b6bd2a1973b83bb9af4e3385d8cb14cb3f62f2 | proms | 0 | good | no | | |
| 316-0206.u65 | 32 | 9617d796 | 7cff2741866095ff42eadd8022bea349ec8d2f39 | user1 | 0 | good | no | | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Zilog Z80 | 1933560 |
| audio | mono | Speaker | |
| audio | discrete | Discrete Sound | |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| joy | | 1 | 4 | no | | | | | | | |
|
device_ref
| name |
| z80 |
| timer |
| screen |
| speaker |
| discrete |
|
dipswitch
| name | tag | mask |
| Lives | IN1 | 24 |
| Demo Sounds | IN2 | 2 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 0 | 256 | 224 | 60.000000 | 5156160 | 328 | 0 | 256 | 262 | 0 | 224 | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| imperfect | good | supported | no | no | no | no | |
|
feature
| type | status | overall |
| sound | imperfect | |
|
input
| players | coins | service | tilt |
| 1 | 1 | no | no |
|
port
|
sound
|