| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| gradiusb | konami/nemesis.cpp | | no | no | no | yes | Gradius (Bubble System) | 1985 | Konami | bubsys | | Shooter / Flying Horizontal |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| boot.bin | 480 | f0774fc2 | 84fade54e025f170d983200a86c1ed96ef1a9ed3 | maincpu | 0 | good | no | boot.bin | |
| gradius.bin | 295776 | f83b9607 | 53493c2d5b0e66dd6b75865abf0982ee50c01a6f | bubblememory | 0 | good | no | | |
| mcu | 4096 | | | mcu | 0 | nodump | no | | |
| 400b03.8g | 8192 | 85c2afc5 | 387842d02d50d0d78a27270e7267af19555b9e63 | audiocpu | 0 | good | no | 400b03.8g | |
| 400a1.2b | 256 | 5827b1e8 | fa8cf5f868cfb08bce203baaebb6c4055ee2a000 | k005289 | 0 | good | no | 400a1.2b | |
| 400a2.1b | 256 | 2f44f970 | 7ab46f9d5d587665782cefc623b8de0124a6d38a | k005289 | 100 | good | no | 400a2.1b | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Motorola MC68000 | 9216000 |
| cpu | audiocpu | Zilog Z80 | 1789772 |
| audio | mono | Speaker | |
| audio | ay1 | AY-3-8910A PSG | 1789772 |
| audio | ay2 | AY-3-8910A PSG | 1789772 |
| audio | filter1 | RC Filter | |
| audio | filter2 | RC Filter | |
| audio | filter3 | RC Filter | |
| audio | filter4 | RC Filter | |
| audio | k005289 | K005289 SCC | 3579545 |
| audio | vlm | Sanyo VLM5030 | 3579545 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| joy | 1 | 3 | 8 | no | | | | | | | |
| joy | 2 | 3 | 8 | no | | | | | | | |
|
device_ref
| name |
| m68000 |
| timer |
| z80 |
| ls259 |
| ls259 |
| watchdog |
| screen |
| gfxdecode |
| palette |
| speaker |
| generic_latch_8 |
| ay8910 |
| ay8910 |
| filter_rc |
| filter_rc |
| filter_rc |
| filter_rc |
| k005289 |
| vlm5030 |
|
dipswitch
| name | tag | mask |
| Coin A | DSW0 | 15 |
| Coin B | DSW0 | 240 |
| Lives | DSW1 | 3 |
| Cabinet | DSW1 | 4 |
| Bonus Life | DSW1 | 24 |
| Difficulty | DSW1 | 96 |
| Demo Sounds | DSW1 | 128 |
| Flip Screen | TEST | 1 |
| Upright Controls | TEST | 2 |
| Service Mode | TEST | 4 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 0 | 256 | 224 | 60.606061 | 6144000 | 384 | 0 | 256 | 264 | 16 | 240 | no |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| preliminary | good | unsupported | no | no | no | no | |
|
feature
| type | status | overall |
| protection | imperfect | |
|
input
| players | coins | service | tilt |
| 2 | 2 | no | no |
|
port
| tag |
| :DSW0 |
| :DSW1 |
| :IN0 |
| :IN1 |
| :IN2 |
| :TEST |
|
sound
|