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David Viens

@plgdavid.bsky.social
430 followers 115 following 76 posts

Lead @plogue.com chip nerd. recycle, repair, repurpose.

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David Viens @plgdavid.bsky.social · 29/09/2026
Not totally wrong :)
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David Viens @plgdavid.bsky.social · 24/09/2026
No I can't hear that high, and neither can you, but the code needs to do what the TX81Z does mkay?
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David Viens @plgdavid.bsky.social · 28/08/2026
Always more stuff to double check…
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David Viens @plgdavid.bsky.social · 14/07/2025
Been a while since I found good CRTs on the curb. I don’t want to repost on my secondary X account that did only that. I already have too many to pick and test those two.
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David Viens @plgdavid.bsky.social · 07/06/2025
Love to try out Friday’s latest build on low powered repurposed E-waste Chromebooks on the sofa. Relaxing
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David Viens @plgdavid.bsky.social · 28/03/2025
Also the internal levels of the channels do not (seem) to match the later versions exactly compared to a 2A03G setup as emulated in chipsynth FC beta. Watch this thread for more.
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David Viens @plgdavid.bsky.social · 28/03/2025
Here is the difference between the two. First you hear the 16 different long noises of the Old vs, then the new ones. Notice the difference at the start - you kind of have the impression its stuck, this is because the two values are very similar 2046 then 2034 vs 4068 then 2034
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David Viens @plgdavid.bsky.social · 28/03/2025
The original chip has 10 outputs on its Noise Period table, while the latter one has 11.
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David Viens @plgdavid.bsky.social · 28/03/2025
I was recording the @artemio.bsky.social / @pineight.com MDFourier test on it and, it sounded very odd in the LONG noise section, not ONLY in the short noise (which is not present at all). Did Saleae 1.79MHz captures and yes I was not imagining things:
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David Viens @plgdavid.bsky.social · 28/03/2025
Aparently I just made a rather important discovery about the old (letter-less) RP2A03. Lidnariq (NESDEV guru just confirmed from die shots) essentially the lowest noise period value is different: 2046 instead of the 4068 in later revisions. This might change how certain sound effects sound
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David Viens @plgdavid.bsky.social · 25/03/2025
Your yearly reminder (and first time on bsky!) that the WAVE specification's smpl.dwEnd (loop) member is inclusive, not exclusive
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David Viens @plgdavid.bsky.social · 13/12/2024
Needed to do fresh recordings of the MDfourier test on a PAL NES, so popped up my new kickstarter copy of www.kickstarter.com/projects/122... for a spin (its contains this test among many other great things). Having your name and backer number written to EEPROM is a very nice touch!
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