> Ok, here's a long Japanese video where the PSG-generated sounds seem to run at double
> speed compared to various older MAME videos. Listen to the insert coin sound in
> particular: https://www.youtube.com/watch?v=q-UDlQTQF0c
> And here's another video from the same person who posted the other video of the
> glitched PCB previously linked: https://www.youtube.com/watch?v=t-CW6uUIhag
> This may not be as open-and-shut as Arkanoid, perhaps there could have been some
> official boards with the YM2149 (with the half-speed pin setting) and others with the
> AY-3-8910. Maybe this would ultimately need to be implemented as a machine setting,
> like that Astro Blaster wire mod that turns the starfield from blue to black.
> And I'm still not sure if we're even talking about the same issue, or if the
> speed/tempo of the FM music has recently increased also. Of note, Hamster's Arcade
> Archives release seems to have the music at a slightly faster tempo than any of this
> actual PCB footage: https://www.youtube.com/watch?v=Wjaur49yziA
> However, it doesn't sound double speed to my ear, and I can't tell if it's faster
> than other MAME videos on YouTube. (And strangely enough, I have found some videos of
> the Hamster release with the slower insert coin sound, and others with the faster
> one. Did the speed change in a patch at some point? Beats me...)
> Another interesting thing I notice: On the Japanese arcade video, the cars make a
> sound when they get shot and spin out. The glitched PCB video has it too. I have
> never heard that before. (They're missing from Hamster's release too.) Can a dev
> possibly look into why this sound wouldn't be playing in MAME?
Thanks for the in-depth review. And yes, the issue in MAME 0.193 is in tempo only. Pitch is not affected. Additionally, I'm not adverse to believing that the prior tempo was incorrect; however, I am highly suspect that the new tempo is definitely not correct.
City Connection was ported to both the NES and MSX. The NES music is fairly accurate and the MSX music is a bit crude, but both use a tempo closer to the slower, older tempo.