SID Player for Enterprise 128

Realtime SID player for Enterprise 128 Kb. The player have some limitations, because 6510 is emulated it uses most time of z80 so the player plays olny square waves, envelopes are emulated in 50Hz interrupt, and songs played only with 50Hz, 60Hz or 100Hz speed, if a song speed have ex 170Hz, then the player plays with 100Hz.