TMS5220 IC emulation for pure-data
written by Federico Ferri
Released under GPL-3 license.

TMS5220 emulation core comes from MAME sources and it's written by Frank Palazzolo and others.

The emulation should work the same as the original IC.
A datasheet for the original IC can be found at:
  http://www.gamessound.com/podcasts/podcast1/TI_TMS5220.pdf