Thomas Harte
e9d0676e75
Fiddles further with the tachometer.
2019-06-06 21:36:19 -04:00
Thomas Harte
7591906777
Numerous IWM fixes: the machine now seems to be trying to measure the tachometer.
2019-06-06 18:32:11 -04:00
Thomas Harte
511d292e73
Ensures gain noise is forgotten upon assumption of a new track.
2019-06-05 14:43:17 -04:00
Thomas Harte
833258f3d7
Sets things up to allow variable rotation rates, and especially Sony 800kb-style self-selecting rates.
2019-06-04 21:41:54 -04:00
Thomas Harte
b8a1553368
Adds putative support for PlusToo-style BIN files.
...
Albeit a bit of a guess, since it's not intended to be an emulator file format.
2019-06-04 21:41:09 -04:00
Thomas Harte
1033abd9fe
Starts making some space for Macintosh-style GCR encoding.
2019-06-04 15:41:15 -04:00
Thomas Harte
881feb1bd3
Adds preliminary parsing of the Disk Copy 4.2 format.
2019-06-02 13:39:25 -04:00
Thomas Harte
2ef6d4327c
Resolves further build warnings.
2019-01-13 20:37:50 -05:00
Thomas Harte
cc95e587db
Adds virtual destructors for various interface classes.
2019-01-13 19:19:01 -05:00
Thomas Harte
ee89be6730
Removes many stray spaces.
2018-11-23 22:32:32 -05:00
Thomas Harte
fc84ae611e
Resolves various instances of spaces in place of tabs.
2018-09-09 20:33:56 -04:00
Thomas Harte
71ec7624ca
Corrects Apple DSK track length, inter-track skew, and Pro-DOS volume number.
2018-08-27 20:56:25 -04:00
Thomas Harte
78c7137427
Avoids observer communication if motor status hasn't changed.
2018-08-03 21:11:22 -04:00
Thomas Harte
a0f817108e
Minor style fix.
2018-07-10 20:01:11 -04:00
Thomas Harte
bfccadd356
Corrects comment typo.
2018-07-03 21:38:04 -04:00
Thomas Harte
5b3512f1df
Attempts to pick an intelligent place to pad out tracks.
2018-07-03 20:10:22 -04:00
Thomas Harte
6e34e60f8a
Ensures no data is dropped in transcribing a NIB to real track data.
2018-07-03 20:01:07 -04:00
Thomas Harte
abc5c50b2e
Added some additional exposition.
2018-07-02 21:51:53 -04:00
Thomas Harte
1fcb461c42
Ensures that segments are written in a properly-circular fashion.
2018-07-02 19:35:49 -04:00
Thomas Harte
abca38a548
Makes an initial removal of PCMPatchedTrack. Farewell, old friend.
2018-07-01 22:49:57 -04:00
Thomas Harte
b4be2cd063
Implements PCMTrack::add_segment. Thereby completes PCMTrack::resampled_clone.
2018-07-01 18:28:25 -04:00
Thomas Harte
2d83eeb9c4
Further minor style improvements.
2018-07-01 17:59:43 -04:00
Thomas Harte
4d9e897cc3
Corrects addressing for deserialisation of bytes.
2018-07-01 15:58:56 -04:00
Thomas Harte
be664b5695
Ensures that start positions are properly related to sectors.
2018-07-01 15:53:48 -04:00
Thomas Harte
c3751066b7
Ensures segments are properly sized.
2018-07-01 15:43:31 -04:00
Thomas Harte
77feee8197
Applies minor style improvements.
2018-07-01 15:38:42 -04:00
Thomas Harte
f75af3b45e
Adds some extra exposition.
2018-07-01 14:41:17 -04:00
Thomas Harte
1471a35bb8
Reserves a more appropriate amount of data.
2018-07-01 14:40:48 -04:00
Thomas Harte
555c2a4377
Makes a first sweep at converting the storage underlying PCMSegment to vector<bool>.
...
This is to remove another pain point, in preparation for the work immediately forthcoming but also work as-yet unknown.
2018-07-01 12:05:41 -04:00
Thomas Harte
16bef0dcd5
Starts the movement towards a world without PCMPatchedTrack.
2018-06-30 20:03:18 -04:00
Thomas Harte
62eef8cb40
Reinstates proper ready behaviour.
2018-06-18 21:35:39 -04:00
Thomas Harte
27657fcde0
Adds necessary header for assert.
2018-06-10 21:02:19 -04:00
Thomas Harte
e0b75b6e3d
Corrects logic for avoiding overwrite.
2018-06-09 21:47:51 -04:00
Thomas Harte
a694844190
Moves gap 1 into proper ownership.
2018-06-09 17:28:08 -04:00
Thomas Harte
28f2d331a8
Switches to more realistic gaps.
2018-06-09 13:06:45 -04:00
Thomas Harte
dde9b73a22
Creates the through-path that will be necessary for RWTS acceleration.
2018-06-09 12:51:53 -04:00
Thomas Harte
744c35b617
Caps the number of sync bytes inserted at five.
2018-06-06 21:52:26 -04:00
Thomas Harte
9ac21a4e71
Switches to ignoring the byte count, trusting the bit count entirely.
2018-06-06 21:51:55 -04:00
Thomas Harte
db8d8d8404
Commutes Sleeper to ClockingHint::Source, making state more granular.
2018-05-27 23:17:06 -04:00
Thomas Harte
d45231c1a8
Introduces an additional validation test.
...
Thereby satisfying the TODO.
2018-05-25 18:40:15 -04:00
Thomas Harte
772812b35f
Corrects improper textual reference to interface names.
2018-05-25 18:31:20 -04:00
Thomas Harte
f443fd44b5
Introduces support for writing NIBs.
2018-05-25 18:30:55 -04:00
Thomas Harte
79c60b8984
Adds necessary import for memcpy.
2018-05-24 21:58:50 -04:00
Thomas Harte
523ca3264b
Implements write support for WOZ files.
2018-05-24 21:44:31 -04:00
Thomas Harte
8f78e5039e
Factors out track seeking.
2018-05-24 18:45:00 -04:00
Thomas Harte
57ee6d4e41
Merge branch 'master' into WOZWriting
2018-05-23 22:32:30 -04:00
Thomas Harte
2868b1eca7
Adds missing import for memcpy.
2018-05-23 22:31:35 -04:00
Thomas Harte
ca4bc92c33
Adds WOZ CRC checking.
2018-05-23 22:22:17 -04:00
Thomas Harte
853261364e
Generalised CRC generation and created specific subclasses for the CCITT CRC16 and CRC32.
2018-05-23 22:21:57 -04:00
Thomas Harte
4952657b31
Factors out physical to logical sector conversion.
2018-05-19 22:59:59 -04:00
Thomas Harte
46fae1a761
Corrected: now maps in the proper direction.
2018-05-19 22:50:33 -04:00
Thomas Harte
a09fb01d71
Makes an attempt at write support for Apple DSK files.
2018-05-19 22:30:52 -04:00
Thomas Harte
7cee3b7449
Resolves potential overflow / sign corruption.
2018-05-19 22:28:29 -04:00
Thomas Harte
8263c48a1d
Added a guarantee that the TrackSerialiser won't modify tracks it receives.
2018-05-18 23:03:28 -04:00
Thomas Harte
ed06533e60
Implements write support out of the Disk II.
2018-05-18 22:07:58 -04:00
Thomas Harte
7b7beb13a3
Eliminates the fiction of setting and getting registers.
...
The Disk II seems lower level than that; it will read the data bus whenever it likes, it is the programmer's responsibility to keep up with that. It also reserves the right not to load the bus regardless of whether it receives a read or write access.
2018-05-17 21:39:11 -04:00
Thomas Harte
85c4e009f3
Undoes reformatting error.
2018-05-14 20:03:32 -04:00
Thomas Harte
76802b5e38
Eliminates arc4random.
...
It seems not to be as portable as I'd hoped.
2018-05-14 20:01:20 -04:00
Thomas Harte
9f2f388e5a
Ensures generation of random noise if too many zeroes exist on a disk surface.
2018-05-14 19:17:34 -04:00
Thomas Harte
7996040f35
Rejigs segment conjugation to avoid potential accidental empty byte.
2018-05-13 22:30:44 -04:00
Thomas Harte
0055efb720
Corrects failure of expression in track size expansion.
2018-05-13 22:29:36 -04:00
Thomas Harte
5d6b5d9f10
Eliminates all emdashes in cross-platform code.
2018-05-13 15:34:31 -04:00
Thomas Harte
0b771ce61a
Removes all instances of the copyright symbol.
2018-05-13 15:19:52 -04:00
Thomas Harte
3fdefb94e4
Removes requirement for correct sector epilogues.
...
It's now a length test that at present accepts 6-and-2 sectors only.
2018-05-12 23:03:08 -04:00
Thomas Harte
49592ebaf3
Ensures initialisation of scanner and that sectors overlapping the end of track are captured.
2018-05-12 18:42:07 -04:00
Thomas Harte
f410dcb3f3
Ensures proper test: not having a number of sectors that is a multiple of the track count.
2018-05-12 18:05:33 -04:00
Thomas Harte
0cb5362c6f
Disambiguates whether Step will occur in addition to below zero/beyond maximum.
2018-05-11 21:44:08 -04:00
Thomas Harte
9089bf6535
Adds step events.
2018-05-10 21:58:14 -04:00
Thomas Harte
ef19a03efc
Drives can now deliver activity events.
2018-05-10 21:54:10 -04:00
Thomas Harte
8ee34fafa6
Switches default DSK volume to 254. That seems to resolve Pravetz booting issues.
2018-05-09 20:28:58 -04:00
Thomas Harte
f65c65569a
Makes disk head position explicitly something with sub-integral precision.
...
Also as a drive-by fix, corrects accidental assumption of 10 sectors for all MFMSectorDump descendants.
2018-05-06 23:17:36 -04:00
Thomas Harte
36f8b165cf
Makes the epilogue test a bit more thorough.
2018-05-05 20:52:42 -04:00
Thomas Harte
ba7fbc4032
Reroutes all Disk II types through the Disk II analyser and returns actual sector from the Apple GCR parser results.
2018-05-05 16:37:33 -04:00
Thomas Harte
c36d7b4972
Makes first attempt at 6 and 2 decoder.
2018-05-04 23:11:12 -04:00
Thomas Harte
0dece80b5d
Improves documentation.
2018-05-04 18:02:55 -04:00
Thomas Harte
e3b4aebf1a
Introduces the Disk II as a unique media target platform.
...
As it makes a little more sense to analyse Apple GCR images to determine target platform than it does to have the potential platforms vote over them.
Also starts on the parser that'll be necessary for making a decision.
2018-05-04 18:02:36 -04:00
Thomas Harte
2e20191c01
Relocates and cleans up what is currently written of Apple GCR handling as the encoder.
...
A decoder will be forthcoming.
2018-05-03 22:40:45 -04:00
Thomas Harte
fcc750784a
Switches interleaving logic around: having inspected some NIBs sectors are numbered in order, but scatter read from the image.
2018-05-02 21:28:18 -04:00
Thomas Harte
3787d094ec
Deals with potential precision pitfall.
2018-05-02 21:26:39 -04:00
Thomas Harte
4b4ea4a103
Corrects final two bytes of Apple GCR low nibble encoding.
2018-05-02 21:06:18 -04:00
Thomas Harte
5e34c1b6b8
Switches to producing a single segment for NIBs and DSKs.
...
I've now seemingly verified that the values read back by the CPU are those I'm intending to produce, so I'm at a loss.
2018-05-01 20:31:42 -04:00
Thomas Harte
f4097290c2
Made various corrections following a quick for-loop constness audit.
2018-04-30 22:23:57 -04:00
Thomas Harte
9da481b060
Slightly simplifies syntax.
2018-04-30 22:08:51 -04:00
Thomas Harte
79002d6962
Adds an additional assert.
2018-04-30 22:07:54 -04:00
Thomas Harte
10c0e687f5
Attempts to introduce sleeping for the Disk II.
2018-04-29 17:51:10 -04:00
Thomas Harte
a9d4fe0b41
Introduces filetype wiring for DO and PO files.
...
Also corrects sector numbering logic to ensure there is a sector 15.
2018-04-29 16:34:10 -04:00
Thomas Harte
5cd15147eb
Introduces interleaving of sector numbers.
2018-04-29 16:18:14 -04:00
Thomas Harte
c62db6665a
Corrects storage of lower two bit pairs.
...
It turns out the non-integral result of 256/3 is handled differently than my guess.
2018-04-29 11:20:23 -04:00
Thomas Harte
fabcb261dc
Corrects data prologue usage and off-by-one error in checksum placement.
2018-04-28 23:17:06 -04:00
Thomas Harte
45cf28e0eb
Corrects sync lengths.
2018-04-28 15:48:49 -04:00
Thomas Harte
5b35c88be2
Corrections: data segments now correctly announce their number of bits, and tracks aren't oversized.
2018-04-28 15:47:50 -04:00
Thomas Harte
7f03f5d02f
Makes a first attempt at six-and-two encoding for DSKs.
2018-04-28 15:18:48 -04:00
Thomas Harte
b98d5b790a
Finally unifies disk image file exceptions, and adds a placeholder for Apple DSK.
2018-04-27 23:18:45 -04:00
Thomas Harte
5c74044e62
Unifies constants.
2018-04-27 21:38:08 -04:00
Thomas Harte
992a99d792
Improves validation of suspected sync regions.
2018-04-27 19:53:35 -04:00
Thomas Harte
41075356e2
Makes a first attempt at NIB support.
2018-04-26 22:49:07 -04:00
Thomas Harte
d59db504a3
Adjusted stepper logic; some disks load now.
2018-04-25 21:59:18 -04:00
Thomas Harte
4c6dc597f4
Converts Time::get into a template, introduces a via-a-double fallback for the timed event loop.
2018-04-25 19:54:39 -04:00
Thomas Harte
376b26c1e4
Simplifies the rotational multiplier upon construction, to mitigate against scale issues later.
2018-04-24 20:16:14 -07:00
Thomas Harte
7061537ff5
Makes joined-up attempt to run data through the Disk II.
2018-04-24 19:44:45 -07:00
Thomas Harte
4cbe5068a9
Works further towards NIB, but still isn't close.
2018-04-23 20:01:12 -07:00
Thomas Harte
38b2302b59
Corrects minor documentation errors.
2018-04-23 19:59:19 -07:00
Thomas Harte
bce0702745
Makes some faulty steps further towards providing Apple GCR assistance.
2018-04-23 19:59:03 -07:00
Thomas Harte
d447e81abd
Adds provisional support for WOZ files.
2018-04-23 19:57:45 -07:00
Thomas Harte
6592745e53
Adds the bare minimum to respond to attempts to open NIB files with an Apple II.
2018-04-21 21:21:57 -07:00
Thomas Harte
72bc5f8d7b
Adds a class to contain the Disk II and begins Apple GCR conversion routines.
2018-04-21 14:33:42 -07:00
Thomas Harte
e1c4035812
Switches away from C strings and allows Vic-20 region inference from filenames.
2018-04-06 17:42:24 -04:00
Thomas Harte
3bb496f9ae
Enforces a maximum sector size to avoid impossible sizes.
...
Such as 128 * 2^255.
2018-03-22 22:00:26 -04:00
Thomas Harte
aafdff49be
Implements the ugly stuff of converting a DMK back to flux.
2018-01-09 22:13:04 -05:00
Thomas Harte
4ef583813a
Minor tidying of PCMSegment and Oric MFM DSK.
2018-01-09 22:12:34 -05:00
Thomas Harte
9f97fb738e
Merge branch 'master' into DMK
2018-01-09 19:42:27 -05:00
Thomas Harte
4e124047c6
Introduces enough DMK support to progress to failure to parse a track.
2018-01-08 21:57:11 -05:00
Thomas Harte
6eb56a1564
Corrects various comment typos.
2018-01-08 20:55:40 -05:00
Thomas Harte
35fc0a5c16
Corrects assumption of double sidedness.
2018-01-08 09:35:29 -05:00
Thomas Harte
0ccc104027
Corrects start sector and track interleaving for MSX DSK.
...
MSX DSKs start with sector 1; Acorn disks still begin with sector 0. Also it turns out that MSX DSKs are indeed interleaved.
2018-01-07 21:59:18 -05:00
Thomas Harte
2f59226300
Fixes: DiskROM drive motor control, track_for_sectors' sides.
2018-01-07 20:02:40 -05:00
Thomas Harte
999a0c22d4
Adds superficial support for MSX .DSK.
...
In the sense that the file format itself is properly parsed, but the MSX doesn't actually yet have disk hardware.
2018-01-07 16:35:57 -05:00
Thomas Harte
0eaac99d74
Avoids implicit signed/unsigned comparison in the G64 reader.
2017-11-12 17:48:11 -05:00
Thomas Harte
792061a82b
Corrects warnings in the CSW, CPC DSK, ZX8081 data encoding, and PRG and binary cartridges.
2017-11-12 17:46:06 -05:00
Thomas Harte
5aef81cf24
Commutes cross-platform #pragma marks to //MARK:s.
2017-11-12 15:59:11 -05:00
Thomas Harte
bce58683fa
Corrects insert explicitly to supply a shared_ptr rather than a raw one.
2017-11-11 18:22:41 -05:00
Thomas Harte
2e15fab651
Doubles down on <cX> over <X.h> for C includes, and usage of the namespace for those types and functions.
2017-11-11 15:28:40 -05:00
Thomas Harte
cb0f58ab7a
Corrects order-of-initialisation errors in the CPC (again), TextureBuilder, TextureTarget, Z80, MFM parser and binary tape player.
2017-11-10 22:57:03 -05:00
Thomas Harte
d9e56711ce
Corrects order-of-initialisation errors in the Amstrad CPC, Vic-20, Oric, Commodore File, MFM disk controller, UEF and Commodore tape parser.
2017-11-10 22:47:10 -05:00
Thomas Harte
fabaf4e607
Adds missing include files, corrects bad include paths and eliminates the Clang-specific __undefined.
2017-11-10 21:56:53 -05:00
Thomas Harte
c0055a5a5f
Further builds up SConstruct, correcting many missed imports and a couple of improper uses of C99 in C++ code.
2017-11-09 22:04:49 -05:00
Thomas Harte
f95515ae81
Eliminates a large number of instance of end-of-line tabs.
2017-11-07 22:51:06 -05:00
Thomas Harte
23d5849cda
Attempts to map recognised [M]FM errors back to FDC status codes.
2017-11-03 21:29:42 -04:00
Thomas Harte
5a3ca0e447
Adds output for modified CPC DSKs.
2017-11-03 21:10:22 -04:00
Thomas Harte
e384c50580
Switches FileHolder to have a usage much closer to FILE *.
...
Thereby opens a route for file format implementations such as that appearing for CPC DSK that create an in-memory copy and perform a full rewrite.
2017-11-02 22:32:00 -04:00
Thomas Harte
f807a6b608
Generalises the concept of multiple samplings of an FM/MFM sector, simplifying CPC DSK support and paving the way for generic weak/fuzzy bit support.
2017-10-31 21:32:28 -04:00
Thomas Harte
833f8c02a4
Switches the CPC DSK implementation to building an in-memory version of the structure up front.
...
Preparatory to making these things writeable.
2017-10-31 19:41:16 -04:00
Thomas Harte
ad9df4bb90
Commutes uint8_t *, uint16_t *, uint32_t *, size_t, off_t and long to functional-style casts.
2017-10-21 22:30:15 -04:00
Thomas Harte
e983854e71
Converts all uint8_t and uint16_t casts to the functional style.
2017-10-21 21:50:53 -04:00
Thomas Harte
ec999446e8
Commutes int and unsigned casts to the functional style.
2017-10-21 21:00:40 -04:00
Thomas Harte
5e3e91373a
Switches all unsigned int and double casts to functional style.
2017-10-21 19:49:04 -04:00
Thomas Harte
7f2febeec9
Ensures complete DPLL initial state assignment.
2017-10-17 22:13:37 -04:00
Thomas Harte
2d7a4fe5f0
Switches the MFM shifter to unsigned accumulation.
...
Since left shifting signed numbers is undefined behaviour.
2017-10-17 22:12:04 -04:00
Thomas Harte
b4583e976e
Corrects buffer overwrites resulting from failure to treat a number of records of 0x80 as a special case.
2017-10-17 20:52:16 -04:00
Thomas Harte
44cdc124af
Switches to providing a full record of changes to disk images, rather than feeding them a track at a time.
...
Gets explicit about `override`s while doing so, to ensure full adaptation.
2017-10-07 19:37:36 -04:00
Thomas Harte
b37787a414
Ensures lifetime-linked track flushing without relying on virtual calls within a destructor.
2017-10-07 19:14:18 -04:00
Thomas Harte
53b99ea248
Uses Disk::flush_tracks to elide replacement of dirty tracks.
2017-10-06 22:07:42 -04:00
Thomas Harte
97a2be71e3
Introduces flush_tracks to Drive, while switching its interface to using Track::Address and adjusting associated integer types.
2017-10-06 21:45:12 -04:00
Thomas Harte
edb9fd301c
Begins this project's conversion to functional-style casts.
2017-10-03 22:04:15 -04:00
Thomas Harte
0fb363ea0e
Adds writing support for HFEs.
2017-10-03 21:24:20 -04:00
Thomas Harte
1cc85615d5
Factors HFE track seeking out from the track fetching method.
2017-10-03 20:33:55 -04:00
Thomas Harte
7b01c1bee6
Revokes direct visibility of is_read_only_ to subclasses of FileHolder.
2017-10-03 19:36:06 -04:00
Thomas Harte
35705c5345
Factors out bit reversing from the HFE class.
2017-10-03 19:12:45 -04:00
Thomas Harte
ef605eda51
Factors out commonalities in SSD/DSD and ADF implementations.
2017-09-30 20:30:15 -04:00
Thomas Harte
326857a84d
Corrects FM/MFM selection when looking for sectors.
2017-09-29 22:48:00 -04:00
