[sdiy] PolyDaWG/8

[Scott Gravenhorst]

I've updated the PolyDaWG/8 files at:

http://www.fpga.synth.net/pmwiki/pmwiki.php?n=FPGASynth.DigitalWaveguide

I found a problem in the MCU code and a problem in the logic regarding
sustain.  I also added a soft damper effect when a key is released or when
the sustain pedal is released for notes not held.

-- ScottG

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-- Scott Gravenhorst
-- GateMan I - Xilinx Spartan-3E Based MIDI Synthesizer
-- PolyDaWG/8 - FPGA 8 voice polysynth
-- FatMan: home1.gte.net/res0658s/fatman/
-- NonFatMan: home1.gte.net/res0658s/electronics/
-- When the going gets tough, the tough use the command line.