Thomas Harte
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c2bc9a8c62
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Ensured no namespace collision in double-include guards.
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2017-06-11 16:41:15 -04:00 |
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Thomas Harte
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256ba4028b
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Rejigged to eliminate semi-duplication of the is-a-file test.
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2017-06-08 21:52:13 -04:00 |
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Thomas Harte
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b07af2660d
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Adjusted to make sure that the very end of a tape is properly measured.
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2017-06-08 21:33:35 -04:00 |
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Thomas Harte
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bc0d70b2f7
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Added: a shout-out when the tape has been exhausted.
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2017-06-08 21:32:27 -04:00 |
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Thomas Harte
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c6e48dfd56
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Given that a final gap is semantically part of describing tape contents, ensured one formally appears before declaring that the tape has ended.
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2017-06-08 21:31:54 -04:00 |
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Thomas Harte
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c775db50ef
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Ensured no out-of-bounds accesses.
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2017-06-08 21:31:03 -04:00 |
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Thomas Harte
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ee4c8b5ad2
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Ensured final byte plays out.
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2017-06-08 19:51:49 -04:00 |
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Thomas Harte
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d8b76e31c3
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Added and improved the is-this-ZX80-stuff test. It seems some bytes are going missing in the to->from tape conversion.
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2017-06-08 19:49:18 -04:00 |
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Thomas Harte
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7e10c7f9d8
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Relocated the ZX80/81 concept of a 'file' out from Tape into Data, given that it's an exact duplicate of memory.
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2017-06-08 19:09:51 -04:00 |
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Thomas Harte
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c47128f433
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Widened tolerances and ensured zero bits aren't prematurely discarded.
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2017-06-07 17:50:03 -04:00 |
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Thomas Harte
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8aab9acc10
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Eliminated use of the zero level; now definitively returns a low/high input.
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2017-06-07 17:39:29 -04:00 |
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Thomas Harte
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dbd2944c13
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Took an initial run at the ZX80/81 parser.
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2017-06-07 17:27:05 -04:00 |
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Thomas Harte
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4603fa6f24
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Extended explicitly to support a token of lookahead, which is pretty much what was on offer anyway. Also corrected instance variable names, as per better adoption of C++ norms.
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2017-06-07 17:21:57 -04:00 |
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Thomas Harte
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60300851ea
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Started sketching out a tape parser for ZX80 and '81 files. I think this'll help me to verify whether the .O input is working.
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2017-06-07 10:12:13 -04:00 |
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Thomas Harte
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58312ea2b7
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Updated to new standardisation on curly bracket placement.
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2017-06-07 10:05:43 -04:00 |
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Thomas Harte
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cb534d8b85
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Corrected comment.
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2017-06-07 10:05:16 -04:00 |
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Thomas Harte
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4677cebf40
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Rejigged to correct: spaces go after bits, not after bytes.
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2017-06-06 18:29:15 -04:00 |
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Thomas Harte
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7399f3d798
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Caveman debugging in place, it looks like this file is returning nonsense.
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2017-06-06 18:18:55 -04:00 |
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Thomas Harte
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faeecf7665
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Made sure that there's nothing but silence at the end of the tape, even if the .O file is too long.
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2017-06-06 18:16:47 -04:00 |
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Thomas Harte
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8c1769f157
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Made a quick attempt at serialising from ZX80 .O to waves.
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2017-06-04 16:59:26 -04:00 |
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Thomas Harte
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655809517c
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Ensured that there is a subclass of file that is entrusted to load .O/.80 files, and that the code routes such files to it, noting that it should consider whether a ZX80 is required.
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2017-06-04 16:37:03 -04:00 |
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Thomas Harte
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5d91a2600d
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Permitted ROM-style PRGs that are not a power-of-two in size, and added extra safety checks on loading data from a tape.
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2017-05-08 22:15:35 -04:00 |
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Thomas Harte
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2807e3134f
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Implemented speedy header finding. So that's half of it.
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2017-05-07 20:32:48 -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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f94f34f053
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Made an attempt at read track. Which means process_input_bit can't just swallow syncs any more; it now reports them as tokens of type ::Sync.
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2017-01-01 20:39:19 -05:00 |
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Thomas Harte
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b3c33d993a
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Made an attempt to explain the requirements placed upon Disk subclasses that wish to support writing.
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2016-12-31 15:30:48 -05:00 |
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Thomas Harte
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8eb21c6702
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The "MFM...Byte"s aren't MFM-specific, they're relevant to both FM and MFM encoding. So renamed them. Also slimmed syntax within MFM.cpp mostly where emigration from the Acorn disk analyser had left a residue of lengthy namespace specification.
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2016-12-31 15:25:11 -05:00 |
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Thomas Harte
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52b850a3f5
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Quick extra: make sure parsed tracks don't overflow the 6400 byte space available in an MFM disk. Which might be better expressed as 6250?
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2016-12-31 12:51:52 -05:00 |
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Thomas Harte
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cfbab1448c
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Switched to a track parsing that disallows synchronisation values within sector contents.
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2016-12-31 12:23:08 -05:00 |
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Thomas Harte
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12549ff412
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Might as well get the file offset before entering the critical section; also moved the lock guard down more explicitly to group with the second set of actions.
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2016-12-31 11:48:46 -05:00 |
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Thomas Harte
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6f0b5427e4
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Made an attempt to avoid repetition of sync bytes.
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2016-12-31 00:20:00 -05:00 |
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Thomas Harte
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0123b37213
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Made an attempt to include sync values in the stream and properly to align.
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2016-12-31 00:11:31 -05:00 |
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Thomas Harte
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ea4d85e1cd
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The virtual disk constructed is the same across all tracks. So why not just request zero?
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2016-12-31 00:10:35 -05:00 |
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Thomas Harte
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f217d508b8
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Completed first attempt at write support for Oric disk images.
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2016-12-30 23:12:46 -05:00 |
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Thomas Harte
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1f625fad66
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Decided that if this is an [M]FM parsing function then it should be something more intelligent than a mere PLL record. Which I guess conveniently implies Oric DSK-esque behaviour. But properly defined, rather than very vaguely.
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2016-12-30 23:10:52 -05:00 |
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Thomas Harte
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632b3c63b1
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Added the infrastructure necessary for Oric disks to appear writeable to the machine and to receive changed tracks.
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2016-12-30 22:51:48 -05:00 |
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Thomas Harte
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d581294479
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Added get_track to get the PLL output for a complete track.
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2016-12-30 19:59:23 -05:00 |
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Thomas Harte
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0f399b0a0c
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Made type conversion explicit.
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2016-12-30 19:59:01 -05:00 |
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Thomas Harte
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3b29e6a473
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Ensured SSD and ADFs are grown if required.
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2016-12-30 18:08:12 -05:00 |
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Thomas Harte
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07dacff42d
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Added writing for Acorn ADF disks, plus appropriate TODOs in both similar bits of boilerplate.
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2016-12-30 18:03:30 -05:00 |
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Thomas Harte
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c85450648f
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Fix: make sure copies have proper event lengths. Also made it much clearer what's going on with the initial copy to the heap.
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2016-12-30 17:55:46 -05:00 |
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Thomas Harte
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c740d9655a
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Fixed: index_count_ may have been left high by a previous call; reset it just in case.
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2016-12-30 17:55:06 -05:00 |
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Thomas Harte
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d09e7ac1e8
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Made an attempt at reacting appropriately if the very first thing that looks like a sector doesn't pan out.
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2016-12-30 17:44:35 -05:00 |
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Thomas Harte
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5d63556870
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Periods need a custom copy constructor too, if they're going to avoid sharing an event_source.
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2016-12-30 17:39:52 -05:00 |
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Thomas Harte
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81a3cbac45
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Ensured a copy is passed for writing back rather than the original.
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2016-12-30 17:26:44 -05:00 |
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Thomas Harte
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63ff5165a4
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After a quick bit of reading, discovered the virtual copy constructor pattern really is only a convention in C++, and conformed to it. Which hopefully gives copyable tracks.
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2016-12-30 17:25:39 -05:00 |
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Thomas Harte
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71dbd78cf2
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If asynchronous background processing is to occur on tracks then, given that they inherently have state, they'll need to be copyable, and ideally 'cheaply' (though it's not too great a priority). So started implementing appropriate copy constructors. Also introduced an extra level of indirection to PCMSegmentEventSource so that it can copy itself without copying the underlying PCMSegment, which is 95% of the heft of a track in all currently-implemented cases.
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2016-12-30 14:23:26 -05:00 |
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Thomas Harte
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f88f3c65e9
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Removed duplicated newline.
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2016-12-30 14:21:36 -05:00 |
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Thomas Harte
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82bb78fb2d
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Ensured that get_sector copes even if any invalid sectors are encountered.
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2016-12-30 14:21:14 -05:00 |
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Thomas Harte
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6fc692cd34
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Attempted to switch to an asynchronous means for continuous file updates. Testing with SSD, as usual.
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2016-12-29 22:15:58 -05:00 |
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