mamedev/mame — pull request #10 by trap15 (2014-10-25 10:52:00+00:00)
Title: Fix frequency for X1-010 and add a note.

I know PhilB is working on a totally new driver, but this should be fixed until he manages to get it committed. It's a very small change, but fixes a lot of things and breaks nothing as far as I can tell (I've tested all games using this sound chip).