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Wrap around by bit masking

DSP related issues, mathematics, processing and techniques

Re: Wrap around by bit masking

Postby deraudrl » Wed Jan 20, 2021 4:49 pm

It just dawned on me that I had once used this exact method for a similar application...on an i860 chip.

Gawd, I feel old. :shock:
I keep a pair of oven mitts next to my computer so I don't get a concussion from slapping my forehead while I'm reading the responses to my questions.
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Re: Wrap around by bit masking

Postby trogluddite » Sat Jan 23, 2021 3:47 am

HughBanton wrote:However I've put together a schematic showing my [...] code

Aha, a "memrefin" example - I'd been getting curious about those ever since you first mentioned them! Thanks! :D
All schematics/modules I post are free for all to use - but a credit is always polite!
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Re: Wrap around by bit masking

Postby HughBanton » Sat Jan 23, 2021 5:25 pm

I've made a couple of mods to my wave-scan dem and updated the original post, v2. Nothing serious; I spotted one factual slip-up on the front, and I've also added the key to memrefin[addr] which @myco posted when it was first introduced on Alpha.

The dual wave-read code is also 99% @myco's - as if you couldn't guess!

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Re: Wrap around by bit masking

Postby trogluddite » Sat Jan 23, 2021 9:05 pm

^ Excellent, the memref key makes everything a lot clearer - thanks again!
All schematics/modules I post are free for all to use - but a credit is always polite!
Don't stagnate, mutate to create!
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