Agress: Missile Daisenryaku

Generated by MAME 0.222 VGM mod
(mame0222-245-gad6505ba636-dirty).

This game does not have a service menu.
To rip this pack, I overwrote the code that
plays the insert coin effect and disabled
playing of all other sounds. As the game
waits indefinitely for you to press start
after inserting a coin, this should suffice
as a replacement for a proper sound test.
The following MAME debugger commands were
used:
    maincpu.mw@110 = 4E75
    maincpu.mw@426 = 4E75
    maincpu.mw@612 = xxxx

I do not know what's up with the weird loops
on the main BGM songs, or of the randomly
changed voice for some notes in BGM 1 after
the first loop, or the extra percussive note
at the start of BGM 3. If those are a result
of using the insert coin approach, then oops.
It's actually difficult to tell in-game,
given the sound effects (which are all MSM6295
samples) play louder.

The sound with code $88 (put 0088 in place of
xxxx in the above MAME debugger code) is the
sound used for insert coin. However, sound $89
appears to be a more "coin inserted"-sounding
sound. I did not include it here as I don't
know if it's used elsewhere; further research
is needed.

Thanks to Kaito Sinclaire for inspiring this
pack and providing song identification
assistance.

— andlabs

Source: VGMRips