> ... I have a Pleiades PCB here so I can offer more info.
The "alarm sound" in the TMS36xx chips is unknown, i.e. the tune1 array in src/emu/sound/tms36xx.c. If we could manage to acquire the notes it plays, this seems to be one fix, as the melody in the original video clip is (of course) different from the melody which I put in there.
|