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Old 13 September 2014, 01:58   #21
FOL
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Quote:
Originally Posted by alexh View Post
Interesting...

Could you include a programmed PIC 18F26K20-I/SP (I think that's the right one) with TinyBootloader & the new firmware from Mathesar?

I think they RRP about £2? You can even keep the old PIC
That shouldn't be a problem.
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Old 19 September 2014, 22:17   #22
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I have uploaded a new version of the PIC18F26K20 firmware here:
http://www.minimig.net/viewtopic.php?f=5&t=629

The new version has a new ADF trackloader that fixes loading problems with titles like Darkmere, Agony, Dane and others.
It also implements scrolling long filenames similair to the ARM version .

Quote:
I still have to try HDD part, haven't tried it before as I have standard minimig 1.1 with 2MB ram so WHDLoad is out.
Mine is only 2Mbyte as well. But even without WHDload an HDF harddisk is still usefull. Some games are HD installable without WHDload like Dune II. The HDF speedup is one of the big advantages of the 26K20 version! it's fun to boot into workbench on a Minimig in turbo mode.
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Old 26 September 2014, 00:22   #23
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I finally tried new version and I'm really impressed, I didn't expect that file name scroll would be so fluid, and more importantly ADF compatibility is really better. Lotus Turbo Esprit III didn't work with original PIC and previous version. In this one it boots perfectly. Great work .
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Old 28 January 2019, 16:05   #24
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Bump!

This is an old thread but when cleaning up my stash of electronics parts I found some PIC18F26K20 controllers. I have programmed them with the latest version found here:
http://www.minimig.net/viewtopic.php?f=5&t=629
They thus also include the bugfix by gamma0511

For those who haven't followed the thread.
The PIC18F26K20 is a replacement for the Minimig PIC16LF252 controller.
It is a sort of "mini-ARM" upgrade. It has almost all of the features of the ARM controller board and is almost as fast when using harddisk files. I also has much better ADF compatibility than the original version.


If anyone is interested, I can send them for just the cost of the chip and shipping.
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Old 29 January 2019, 14:50   #25
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I'd be interested in one.

My MiniMig has long since been replaced with a MiSTer but maybe I'll upgrade it and offer it to a friend.
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Old 30 January 2019, 06:10   #26
Heywood
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Hey Mathesar

I was able to find a PIC on ebay and eventually bumble my way through programming it late last year, so I don't need to grab one off you but just wanted to drop a note to say thanks for your work!

For those that have a MiniMig lying about that don't have the ARM upgrade, this is definitely worth pursuing.
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Old 30 January 2019, 20:22   #27
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Quote:
Originally Posted by alexh View Post
I'd be interested in one.

My MiniMig has long since been replaced with a MiSTer but maybe I'll upgrade it and offer it to a friend.
I think the chips were around 3 euros, posting is 1,45 over regular mail making it 4,45 euros per chip. The ARM version costs more .
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Old 30 January 2019, 20:23   #28
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Quote:
Originally Posted by Heywood View Post
Hey Mathesar

I was able to find a PIC on ebay and eventually bumble my way through programming it late last year, so I don't need to grab one off you but just wanted to drop a note to say thanks for your work!

For those that have a MiniMig lying about that don't have the ARM upgrade, this is definitely worth pursuing.
Glad you like it. I especially like the huge hardfile speed increase
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