| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| skyalert | metro/metro.cpp | | no | no | no | yes | Sky Alert | 1992 | Metro | | | Shooter / Flying Vertical |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| sa_c_09.bin | 131072 | 6f14d9ae | 37e134af3d8461280dab971bc3ee9112f25de335 | maincpu | 0 | good | no | | |
| sa_c_10.bin | 131072 | f10bb216 | d904030fbb838d906ca69a77cffe286e903b273d | maincpu | 1 | good | no | | |
| sa_b_12.bin | 131072 | f358175d | 781d0f846217aa71e3c6d73c1d63bd87d1fa6b48 | audiocpu | 0 | good | no | | |
| sa_a_02.bin | 262144 | f4f81d41 | 85e587b4fda71fa5b944b0ac158d36c00e290f5f | vdp | 0 | good | no | | |
| sa_a_04.bin | 262144 | 7d071e7e | 24b9b0cb7e9f719259b0444ee896bdc1ad79a28d | vdp | 1 | good | no | | |
| sa_a_06.bin | 262144 | 77e4d5e1 | 420e5aaf187e297b371830ebd5787675cff6177b | vdp | 2 | good | no | | |
| sa_a_08.bin | 262144 | f2a5a093 | 66d482cc3f45ff7bf1363cf3c88e2dabc902a299 | vdp | 3 | good | no | | |
| sa_a_01.bin | 262144 | 41ec6491 | c0bd66409bc6ea969f4c45cc006fde891ba8b4d7 | vdp | 4 | good | no | | |
| sa_a_03.bin | 262144 | e0dff10d | 3aa18b05f06b4b0a88ba4df86dfc0ca650c2684e | vdp | 5 | good | no | | |
| sa_a_05.bin | 262144 | 62169d31 | 294887b6ce0d56e053e7f7583b8a160afeef4ce5 | vdp | 6 | good | no | | |
| sa_a_07.bin | 262144 | a6f5966f | 00319b96dacc4dcfd70935e1626da0ae6aa63e5a | vdp | 7 | good | no | | |
| sa_a_11.bin | 131072 | 04842a60 | ade016c85867dee7ac27efe3910b01f5f8e730a0 | oki | 0 | good | no | | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Motorola MC68000 | 12000000 |
| cpu | audiocpu | NEC uPD78C10 | 12000000 |
| audio | mono | Speaker | |
| audio | oki | OKI MSM6295 ADPCM | 1200000 |
| audio | ymsnd | YM2413 OPLL | 3579545 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| joy | 1 | 2 | 8 | no | | | | | | | |
| joy | 2 | 2 | 8 | no | | | | | | | |
|
device_ref
| name |
| m68000 |
| upd78c10 |
| i4100 |
| palette |
| buffered_spriteram16 |
| screen |
| speaker |
| okim6295 |
| ym2413 |
|
dipswitch
| name | tag | mask |
| Coin A | DSW0 | 7 |
| Coin B | DSW0 | 56 |
| Flip Screen | DSW0 | 64 |
| Service Mode | DSW0 | 128 |
| Difficulty | DSW1 | 3 |
| Lives | DSW1 | 12 |
| Bonus Life | DSW1 | 48 |
| Allow Continue | DSW1 | 64 |
| Demo Sounds | DSW1 | 128 |
|
display
| tag | type | rotate | width | height | refresh | pixclock | htotal | hbend | hbstart | vtotal | vbend | vbstart | flipx |
| screen | raster | 270 | 360 | 224 | 58.232800 | | | | | | | | 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 | yes |
|
port
| tag |
| :DSW0 |
| :DSW1 |
| :IN0 |
| :IN1 |
| :IN2 |
| :IN3 |
|
sound
|