On Wed, 23 Oct 2002 20:56:34 +0200, you wrote:

>> Second if you choose to use 10bit PWM, it's annoying to work
>> with.  You
>> must either encode to 8 (I would try recording the differential rather
>> then absolute) or you could record the 10 bits and use 5 registers for
>> 4 bits of info.  Your choice, but let's just say it's annoying to
>> implement the differential routine in assembly.  :)
>
>I you store the data in '877 program memory you have 14 bits at each
>address. Throw 4 away or go through the hassle of (un)packing...
I was thinking maybe you could store two 7-bit samples per word,
encoded in log form (like telecom codecs do), expanded to 10 bits
linear via a lookup table.

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