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georgestheking
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Joined: 21/12/2021
Location: Belgium
Posts: 32

Posted: 07:45pm 01 Sep 2022

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Hi,

Is the Picomite compatible with the chineese clone of Pi PICO having 16 MB of Memory ?

Best regards

Georges

stanleyella

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Joined: 25/06/2022
Location: United Kingdom
Posts: 2681

Posted: 08:09pm 01 Sep 2022

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It was posted support to 2MB.. honest, I did see that

stanleyella

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Joined: 25/06/2022
Location: United Kingdom
Posts: 2681

Posted: 08:09pm 01 Sep 2022

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It was posted support to 2MB.. honest, I did see that

stanleyella

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Joined: 25/06/2022
Location: United Kingdom
Posts: 2681

Posted: 08:11pm 01 Sep 2022

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This is somewhere else on this forum.. clones

DrifterNL

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Joined: 27/09/2018
Location: Netherlands
Posts: 58

Posted: 08:21pm 01 Sep 2022

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Here is a link to the clones thread -> https://www.thebackshed.com/forum/ViewTopic.php?FID=16&TID=15115

Floating Point Keeps Sinking Me!
Back To Integer So I Don't Get Injured.

Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
Posts: 8304

Posted: 08:40pm 01 Sep 2022

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The latest beta. b18, has been announced. One of the changes:

Quote Change to better support modules with >2Mb Flash chips

But I don't know any more than that.

Note that there are *no* boards with increased RAM as all that is on the RP2040 and it can't be expanded.

Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs

pwillard
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Joined: 07/06/2022
Location: United States
Posts: 324

Posted: 10:29pm 01 Sep 2022

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Yes, I have one with 16MB (Pimoronoi Pico Lipo)

It worked properly 99% of the time... and in that other 1% of the time, it has a really slow response at the ">" prompt, related to the `NEW` command. Pete just fixed it... so it's even better now.

Having 16MB is no longer a problem. Go for it.

Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
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Posted: 06:28am 02 Sep 2022

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Peter didn't say anything about the other 14MB being usable, just that larger flash chips are better supported. That seems to be a timing rather than capacity issue (although they may be related). AFAIK MMBasic will only use 2MB of flash, no matter what size the chip is.

Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs

Tinine
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Joined: 30/03/2016
Location: United Kingdom
Posts: 1646

Posted: 10:06am 02 Sep 2022

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pwillard said Yes, I have one with 16MB (Pimoronoi Pico Lipo)

It worked properly 99% of the time... and in that other 1% of the time, it has a really slow response at the ">" prompt, related to the `NEW` command. �Pete just fixed it... so it's even better now.

Having 16MB is no longer a problem. Go for it.

It appears from the benchmark that you also realised >10% performance boost, right?

I'll take that

Craig

matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 10628

Posted: 10:13am 02 Sep 2022

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Just to be clear although you can use rp2040 modules with more than 2MB of flash you cannot and will never be able to access the extra flash from Basic.
Writing to flash requires all interrupts to be disable and all code to be running from RAM and this is incompatible with the way the PicoMite code works

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