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Author Topic: EXDOS 3.0 (Read 20687 times)

Offline Trefe

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Re: EXDOS 3.0
« Reply #30 on: 2022.November.18. 22:04:11 »
Jól néz ki! :smt038
Ezek a forrásfájlok fenn vannak valahol? Megnézhetőek?
Hatalmas élmény, mikor mikor megértek egy-egy részt belőlük, pláne, ha jól kommentelve van... :ds_icon_cheesygrin:

Offline Zozosoft

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Re: EXDOS 3.0
« Reply #31 on: 2022.November.19. 13:06:42 »
Ez már működik stabilan?
Ráérsz majd béta tesztelni?

Do you have time for beta testing?
« Last Edit: 2022.November.19. 22:51:55 by szipucsu »

Offline John Fante

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Re: EXDOS 3.0
« Reply #32 on: 2022.November.22. 11:50:17 »

Do you have time for beta testing?

I have a little time :-)

And no matter what: Great work :)

Offline Povi

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Re: EXDOS 3.0
« Reply #33 on: 2022.November.30. 10:02:37 »
ez most kezeli a Szergely féle SD-kártya olvasóban lévő FAT32 formátumú SD-kártyákat is?
*** Speicherplatz zu klein

Offline gflorez

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Re: EXDOS 3.0
« Reply #34 on: 2022.November.30. 13:00:56 »
I am actually beta-testing it and... YES.... EXDOS3.0 works great on the emulator, both with the emulated SD-Cartridge and with the emulated IDE expansion. It also works perfectly on the real EP+SF3 when used with the new driver that integrates the SF3 USB as a logical drive. And other device that uses EXDOS30 perfectly is the Enterprise FPGA core, thanks to the mastery of Kyp implementing correctly the SD-Cartridge and using the same Roms that genius Zozo provided me for use on the emulator.

On the other side, the firmware of our SD-Readers needs to be updated, because the SDEXT0X.Rom in them  needs to be updated to be compatible with EXDOS3.0, and also because the firmware is fatter and needs more space. A SD-Cartridge has an, until now, unused memory pagination that adds another 64KB(8KBx8) to the cartridge.  Think about it... a pagination inside the normal Nick's pagination...

Complicate task... more if we think that Zozo will add languages and keyboard pre-sets on the SD-Cartridge. 


Now you can have a very big FAT16 partition with all your things on directories without delving with tinny 32MB partitions, and at the same time it makes easier to transfer your files.

The boring side is that it works as good as always... You will not notice any mayor change on your EP behaviour....

Offline BruceTanner

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Re: EXDOS 3.0
« Reply #35 on: 2022.November.30. 13:30:56 »
But not FAT32 - only FAT16 (but using 32 bit sector numbers) = max 1GB on SD currently, 2GB emulated (and 4GB on a hard disk but not recommended!)

It is possible for a Z80 to handle FAT32, it has been done, but it will not be in EXDOS as a lot of EP compatibility would be lost.

1GB is enough to contain all the EP programs ever written!

gflorez: thank you for beta testing! But please be aware that IS-DOS is currently dangerous to use with EXDOS 3! It needs a fix which is not yet released (I am working on it) - existing IS-DOS could lead to disk corruption! :oops:

Offline gflorez

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Re: EXDOS 3.0
« Reply #36 on: 2022.November.30. 15:12:28 »
Great work Bruce, and thanks for the advice about IS-DOS.


Yesterday I made 4x2GB partitions on a SD for the FPGA Enterprise core and they seem to work, but I need to do more tests on them.

Again, like with the FAT12 format, Windows fails sometimes to make good FAT16 partitions.
« Last Edit: 2022.November.30. 15:18:14 by gflorez »

Offline Zozosoft

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Re: EXDOS 3.0
« Reply #37 on: 2022.November.30. 15:44:27 »
Again, like with the FAT12 format, Windows fails sometimes to make good FAT16 partitions.
I used Minitool Partition Manager when create 4GB FAT16.

Offline Zozosoft

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Re: EXDOS 3.0
« Reply #38 on: 2022.November.30. 15:45:18 »
Anyway, new EP FDISK coming soon with SF3 support :ds_icon_cheesygrin:

Offline BruceTanner

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Re: EXDOS 3.0
« Reply #39 on: 2022.November.30. 16:33:18 »
...create 4GB FAT16.
4GB worked for me, but each FAT alone will be 64k :shock: it is a big bite to chew for a little z80. Performance might suffer! :twisted: :lol:

Offline Zozosoft

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Re: EXDOS 3.0
« Reply #40 on: 2022.December.01. 14:09:15 »
max 1GB on SD currently, 2GB emulated (and 4GB on a hard disk but not recommended!)
Why only 1GB SD?
It is support SDXC, then up to 2TB (32 bit LBA limit, same true for IDE and SF3).
Theoreticaly possible: 21x4GB FAT16 = 84GB Enterprise storage :lol: (Anyway the 21x32MB FAT12 = 672MB also more than 2x enough for all Enterprise programs :lol: )

Only the ep128emu have a limits about VHD sizes, 2047MB both for IDE and SD.

Quick test with 64GB SD:
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Offline gflorez

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Re: EXDOS 3.0
« Reply #41 on: 2022.December.01. 15:58:17 »
Excessive and extravagant!  Largely out of the hopes of the designers....

Offline Zozosoft

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Re: EXDOS 3.0
« Reply #42 on: 2022.December.01. 16:08:52 »
Totally pointless, but I tried it anyway :lol:
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Offline BruceTanner

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Re: EXDOS 3.0
« Reply #43 on: 2022.December.01. 16:42:51 »
*** Z80 too tired


Offline SlashNet

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Re: EXDOS 3.0
« Reply #44 on: 2022.December.02. 00:20:04 »
Totally pointless, but I tried it anyway :lol:

You use wrong HDD. Seagate has EXOS-compatible model. :)