Thomas Harte
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1bbb4cb478
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Increased documentation.
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2017-07-22 17:39:51 -04:00 |
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Thomas Harte
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807e1d36d5
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Resolved signedness mismatch.
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2017-07-21 20:57:48 -04:00 |
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Thomas Harte
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fc8313430a
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Added an early exit if what was read as a header turns out pretty much certainly not to be a header.
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2017-07-13 21:26:45 -04:00 |
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Thomas Harte
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33d16ae0cd
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Fixes: individual static analysers reset tapes, for potential successors. The ZX81 file analyser no longer overruns its buffer upon receiving a file that is shorter than 11 bytes.
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2017-07-12 21:34:08 -04:00 |
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Thomas Harte
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1f56e85f6d
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Centralised resetting of tape files within the static analyser, having implemented it patchily.
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2017-05-06 22:19:08 -04:00 |
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Thomas Harte
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e01f3f06c8
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Completed curly bracket movement.
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2017-03-26 14:34:47 -04:00 |
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Thomas Harte
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f3d9aec8fc
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Fixed Electron's support for automatically booting floppy disks.
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2017-01-08 14:47:41 -05:00 |
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Thomas Harte
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e5cc77f22d
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Added an extra sanity check.
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2016-12-30 17:29:51 -05:00 |
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Thomas Harte
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beaa868079
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Factored the MFM parser out into encodings.
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2016-12-25 20:00:57 -05:00 |
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Thomas Harte
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1b15bc3a6c
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Started relocating the tape parsers down from static analyser to storage, to signify that they may be used by the emulation (if fast loading is supported on that machine).
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2016-11-06 16:13:13 -05:00 |
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Thomas Harte
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093eb55fc6
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The parsers no longer own a tape, merely taking one as an argument. So they can be an adjunct.
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2016-11-06 15:25:18 -05:00 |
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Thomas Harte
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2411f192f7
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Switched back to full typing, even for DFS loading. It saves having to worry about sideways RAM filing systems and shift (if that's even the issue).
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2016-10-01 21:09:28 -04:00 |
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Thomas Harte
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79412dc84d
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Upped MFM clock cycles, switched back to using the typer for the ADFS and adjusted ADFS ROM slots.
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2016-09-28 21:28:34 -04:00 |
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Thomas Harte
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572d5587d9
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Made a first stab at enabling multi-disk machines and thereby obeying (some of) the Plus 3's status register.
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2016-09-25 21:24:16 -04:00 |
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Thomas Harte
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9bbcbd1001
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Renamed class, intending to turn a Disk::Drive into literally just that, and have a thing with a PLL that consumes events be a Controller.
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2016-09-25 20:05:56 -04:00 |
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Thomas Harte
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7f4c78139c
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Attempted to ensure that ADFS disks get to an appropriately-configured Electron. Not immediately sure why the shift press isn't working; doesn't need to be dealt with immediately.
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2016-09-25 19:59:46 -04:00 |
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Thomas Harte
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523dbb9678
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This'll do for getting the ADF into the machine.
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2016-09-25 18:32:26 -04:00 |
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Thomas Harte
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de863719d0
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Made a first attempt at Acorn ADFS support plus the start of a suitable analyser.
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2016-09-25 17:46:11 -04:00 |
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Thomas Harte
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6084020ab3
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Added shift-break as a better way to boot suitable disks. Continued attempting to clean the 1770.
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2016-09-25 14:11:22 -04:00 |
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Thomas Harte
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67b54269c9
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Added typer support for loading from DFS. It'll do for now.
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2016-09-24 22:52:49 -04:00 |
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Thomas Harte
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a9e65e9b7a
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Tweaked disk side density, added call-outs to a WD1770 if the Electron had one (albeit without run_for_cycles yet as I need to figure out the clock rate), added a shell of the basic functions of the WD1770. No implementation yet.
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2016-09-19 22:06:56 -04:00 |
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Thomas Harte
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c9dd07cecd
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DFS disks are now delivered right up to the emulator's front door. So everything's in place to get started on that WD1770 nonsense.
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2016-09-19 08:29:23 -04:00 |
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Thomas Harte
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e025768604
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Two passes of the index hole => no sector found.
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2016-09-19 08:17:07 -04:00 |
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Thomas Harte
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64f2538b1f
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Added CRC checking to DFS comprehension; fixed a bunch of places where I'd used Objective-C's #import rather than #include.
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2016-09-19 08:16:06 -04:00 |
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Thomas Harte
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c58cdbf151
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Minor tweak to support zero-length files.
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2016-09-19 07:37:11 -04:00 |
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Thomas Harte
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ca4df5dd61
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Introduced a full container for disk catalogues, so as also to capture non-file information, and 'completed' (i.e. albeit that CRC checking is still absent) DFS catalogue decoding.
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2016-09-19 07:35:02 -04:00 |
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Thomas Harte
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231f3dd0f4
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This is exactly as far as I'm going to get with DFS parsing today, I think.
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2016-09-18 22:18:01 -04:00 |
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Thomas Harte
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b1e7f2dfd0
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There's no cache and no CRC checking yet, but this is probably a rough outline of an FM parser.
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2016-09-18 22:03:06 -04:00 |
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Thomas Harte
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0ce901bd48
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Added necessary wiring to get as far as asking an arm of the analyser to check out an Acorn disk image.
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2016-09-18 21:18:11 -04:00 |
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Thomas Harte
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5ebca62bba
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Now the CRC is a factoring out.
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2016-09-18 18:35:50 -04:00 |
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Thomas Harte
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92af19098c
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Improved file naming.
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2016-09-15 19:24:59 -04:00 |
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Thomas Harte
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27fedaf892
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The error flag is no longer directly exposed. I also tweaked the Commodore import numbers just a touch. But I think I need proper calibration.
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2016-09-08 21:09:05 -04:00 |
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Thomas Harte
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556b77f2fd
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Added some TODOs, re-enabled master Acorn decision.
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2016-09-07 07:39:47 -04:00 |
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Thomas Harte
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149cbb327b
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Made something of a first attempt at a parser. Which is failing terribly.
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2016-09-06 06:59:51 -04:00 |
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Thomas Harte
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cfe8251166
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Further documented interface, fixed a potential parsing blockage.
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2016-09-05 22:12:52 -04:00 |
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Thomas Harte
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05c24222d8
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Liberated the tape parser template.
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2016-09-05 20:02:35 -04:00 |
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Thomas Harte
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463b74301d
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Sought to reduce the amount of heap nonsense.
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2016-09-05 19:59:58 -04:00 |
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Thomas Harte
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11850b872d
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Sought to emulate 0111 as a longer 0110 to test a particular HQ UEF. Some progress. Not great.
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2016-09-05 18:28:43 -04:00 |
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Thomas Harte
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6239297212
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Fixed off-by-one error on filename lengths and order-of-operations mistake preventing data CRC from being checked.
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2016-09-05 18:15:15 -04:00 |
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Thomas Harte
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e25fee2332
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I'm going back to believing in this test.
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2016-09-05 17:55:40 -04:00 |
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Thomas Harte
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68874b6080
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Fixed accidental implicit assumption that Acorn files will be at least two blocks.
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2016-09-05 17:53:57 -04:00 |
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Thomas Harte
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93f5b5303e
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Factored out the stuff I expect to be common to this tape nonsense, started looking at the one currently-failing tape. More on the latter to do.
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2016-09-05 17:17:52 -04:00 |
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Thomas Harte
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6f62803814
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Resolved dropping of every other file.
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2016-09-01 08:35:28 -04:00 |
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Thomas Harte
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21e5f407d8
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I need to get a bit more definitive on naming but this gets all the way to setting a configuration upon an Electron.
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2016-08-31 22:03:42 -04:00 |
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Thomas Harte
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9d7962d6c0
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Closed the loop on Electron analysis for now. Including loading command detection.
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2016-08-31 20:24:13 -04:00 |
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Thomas Harte
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d8c0da7ccb
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I think this should lead to a full representation of files on an Acorn tape, but subject to is_at_end working.
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2016-08-31 19:57:09 -04:00 |
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Thomas Harte
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7b5d5858ff
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CRCs are just stored reversed. Of course. So this should be sufficient to load each chunk of an Acorn file.
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2016-08-30 08:13:40 -04:00 |
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Thomas Harte
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b3521ed187
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Started working towards capturing everything there is to know about a file. CRC calculation appears to be flawed somehow at the moment.
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2016-08-30 07:38:08 -04:00 |
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Thomas Harte
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6218f05b8c
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This loads the name. That'll do for now.
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2016-08-29 22:05:06 -04:00 |
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Thomas Harte
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963a479908
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Made a quick first attempt at getting a file name from Acorn tape, failing terribly but at least formalising tapes being able to signal their end.
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2016-08-29 21:53:06 -04:00 |
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