rm/rm380z.cpp: Add sound for COS 4.0 #12149
Merged
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This PR adds sound for COS 4.0 only as the beep control character, and escape codes to change the beep duration and frequency are not supported by COS 3.4. The firmware guide lists these as only being implemented in COS 4.0 and later releases.
With this change <Ctrl+G> beeps, and more excitingly music is played in the "Go West" game! It plays a recognisable rendition of "Coming 'Round the Mountain" and another tune when you reach San Francisco. I have not found any other software with sound yet.