Forum: project.SPS (was CAPS)
05 October 2023, 07:49
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
03 October 2023, 23:38
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Replies: 939
Views: 197,840
Great! Will the sega decoder change go into...
Great! Will the sega decoder change go into disk-utilities in due course?
Maybe all the sega decoders should be renamed to spangenberg. That said, I think the format variations are pretty much...
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Forum: support.WinUAE
29 August 2023, 09:01
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Replies: 8
Views: 1,416
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Forum: support.WinUAE
28 August 2023, 20:51
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Replies: 8
Views: 1,416
I think the physical limitation is flux density...
I think the physical limitation is flux density (rather than say bit jitter between the 4us/6us/8us bit bands --- this is probably more of an issue as you add bitbands like in RLL hard drives). The...
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Forum: project.SPS (was CAPS)
28 August 2023, 17:02
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Replies: 939
Views: 197,840
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Forum: support.WinUAE
28 August 2023, 17:01
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Replies: 8
Views: 1,416
Educated guess: the OS does not expect such a...
Educated guess: the OS does not expect such a long track and does not fetch enough data on read to get the last sector. It would only work if you get lucky and read from the first sector in the...
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Forum: project.SPS (was CAPS)
21 May 2023, 11:21
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
20 May 2023, 12:50
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
08 May 2023, 19:53
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
25 April 2023, 11:31
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Replies: 939
Views: 197,840
This is good to know. The PLL default is quite...
This is good to know. The PLL default is quite aggressive in adjusting the clock and therefore susceptible to certain kinds of high frequency noise including bit shifts. Having PLL phase adjustment...
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Forum: project.SPS (was CAPS)
24 April 2023, 09:17
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Replies: 939
Views: 197,840
This is the same illegal MFM problem. AA99 has...
This is the same illegal MFM problem. AA99 has two adjacent 1 bits, which corresponds to flux reversals only 2us apart. The second one tends to get pushed away from the first turning the last 9...
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Forum: project.SPS (was CAPS)
23 April 2023, 23:10
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
23 April 2023, 15:17
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Replies: 939
Views: 197,840
I have written the official IPF #3061 back to...
I have written the official IPF #3061 back to disk with "--precomp=40=125:80=250" and it loads okay to the title screen (ie. well past the ramdisk screen).
I'm not sure if precomp helps so much on...
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Forum: project.SPS (was CAPS)
23 April 2023, 15:04
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
23 April 2023, 14:12
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
23 April 2023, 11:14
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
23 April 2023, 00:21
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Replies: 939
Views: 197,840
Try conversion from SCP to IPF using...
Try conversion from SCP to IPF using disk-utilities. There are Windows builds advertised in this very forum thread. SCP will work for direct emulation or writeback sometimes, but not reliably for all...
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Forum: project.SPS (was CAPS)
23 April 2023, 00:17
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
22 April 2023, 09:49
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
19 April 2023, 13:06
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
19 April 2023, 11:17
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Replies: 939
Views: 197,840
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Forum: request.Old Rare Games
23 March 2023, 19:48
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Replies: 124
Views: 10,948
How is the disk-analyse output differing? The...
How is the disk-analyse output differing? The only difference I can see is a small difference in track length (110000 bits vs 111000 bits) either of which is plenty more than the minimum length...
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Forum: project.SPS (was CAPS)
10 March 2023, 12:14
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
03 March 2023, 17:05
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Replies: 939
Views: 197,840
Would there be any interest in batch converting...
Would there be any interest in batch converting all available IPF image files to HFEv3 and hosting the whole lot on the EAB file server?
This would be a useful library of original uncracked titles...
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Forum: project.SPS (was CAPS)
02 March 2023, 09:51
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
21 February 2023, 21:47
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
21 February 2023, 17:07
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Replies: 939
Views: 197,840
Since the apprentice (hellwig) analyser permits...
Since the apprentice (hellwig) analyser permits no checksum if the checksum longword is zero, it's very easy for track to be mis-identified. Especially because track filler is usually all zeroes in...
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Forum: project.SPS (was CAPS)
20 February 2023, 17:26
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
19 February 2023, 12:10
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Replies: 939
Views: 197,840
Not my area I'm afraid, but I'm given to...
Not my area I'm afraid, but I'm given to understand that Kryoflux DTC is good at C64 and knows most of the common protections. You should be able to dump to Kryoflux RAW using Greaseweazle and then...
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Forum: project.SPS (was CAPS)
18 February 2023, 18:10
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Replies: 939
Views: 197,840
I can't guarantee that my HFEv3 files will work...
I can't guarantee that my HFEv3 files will work with HxC firmware -- this is not tested or supported by me. My generated HFEv3 tracks are a little different than that produced by HxC tools and so it...
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Forum: project.SPS (was CAPS)
11 February 2023, 17:36
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Replies: 939
Views: 197,840
Interesting as I thought I had to extend/tweak...
Interesting as I thought I had to extend/tweak the HFEv3 format slightly. But actually in the FlashFloppy firmware supporting bit-granularity weak regions fell out quite naturally. Perhaps this is...
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Forum: project.SPS (was CAPS)
10 February 2023, 21:45
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Replies: 939
Views: 197,840
Great news! Thanks!
The bigger announcement...
Great news! Thanks!
The bigger announcement here is that I will support any IPF on FlashFloppy, converted to HFEv3 using Greaseweazle tools. If any such conversion does not work then I expect to...
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Forum: project.SPS (was CAPS)
10 February 2023, 16:18
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Replies: 939
Views: 197,840
The required changes to Greaseweazle and...
The required changes to Greaseweazle and FlashFloppy are now done, pending release. They just need testing with the final HFEv3 images on a real Amiga. BarryB has promised to do this, hooray!
...
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Forum: project.SPS (was CAPS)
09 February 2023, 18:39
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Replies: 939
Views: 197,840
Thanks!
I see Chaos Strikes Back in the...
Thanks!
I see Chaos Strikes Back in the Unofficial IPFs folder, but not Dungeon Master. Would it be possible for BarryB to upload an IPF, and get it transferred to the file server along with the...
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Forum: project.SPS (was CAPS)
30 January 2023, 15:22
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Replies: 939
Views: 197,840
Description and comparison with older MCUs: ...
Description and comparison with older MCUs:
https://github.com/keirf/FlashFloppy/wiki/Gotek-Models#artery-at32f435
Not so easy to find still, unfortunately. I have an eBay page (UK sales only):...
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Forum: project.SPS (was CAPS)
30 January 2023, 15:19
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
29 January 2023, 21:28
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Replies: 939
Views: 197,840
I was intending to add native IPF support to...
I was intending to add native IPF support to FlashFloppy for the newest Goteks with more RAM and CPU power. However I realised that supporting conversion to HFEv3 is good enough, and a lot easier!
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Forum: project.SPS (was CAPS)
29 January 2023, 19:35
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Replies: 939
Views: 197,840
Good question, with a complex answer. In short,...
Good question, with a complex answer. In short, the IPFs are for emulation only. The diamond-shaped flux pattern for which the DM protection is infamous cannot be represented in an IPF. Instead the...
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Forum: project.SPS (was CAPS)
29 January 2023, 18:12
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Replies: 939
Views: 197,840
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Forum: project.SPS (was CAPS)
19 July 2022, 19:18
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Replies: 939
Views: 197,840
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