The square sound on 90s game boy, is old screen and old processor, The 8-Bit. is a processor.
The Old 8 bit is a processor with only square.
15 years after Edit
All my bip is a old Apollo Bip on computer
15 Myr Edit
After have 4500 Hz the square is become sine because other harmonic become above 16000 Hz, is impossible having 2 harmonys on this tone.
END OF UNIVERSE Edit
The only sine, is windy 0 harmony. No sound. Is died.
Above the END Edit
End on sound.