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9,843 Commits 8 Branches 121 Tags 496 MiB
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636 Commits

Author SHA1 Message Date
Thomas Harte
5fd2be3c8e Makes a genuine attempt at five and three decoding. 2020-03-25 20:50:26 -04:00
Thomas Harte
2320b5c1fe Takes some steps towards five-and-three decoding. 
Now I 'just' need to figure out how bits are distributed within the decoded sector. The XORing and data checksum seem the same (?)
 2020-03-25 00:15:31 -04:00
Thomas Harte
e5cbdfc67c It turns out that 5-and-3 disks have a different header prologue. 2020-03-24 21:59:55 -04:00
Thomas Harte
894d196b64 Avoids massive overallocation where sync blocks overlap the index hole. 2020-03-24 21:34:33 -04:00
Thomas Harte
614032198e Ensures no divide by zero during initial construction. 2020-02-18 22:58:37 -05:00
Thomas Harte
3cb6bbf771 Uses the union of all drive statuses to determine Drive::Controller's preferred clocking. 2020-02-12 22:28:42 -05:00
Thomas Harte
0c2f77305f Eliminates dangling printf. 2020-02-11 22:12:30 -05:00
Thomas Harte
05bcd73f82 Attempts to pull drive ownership into DiskController. 
For the sake of being more intelligent as to drive clocking, hopefully. And, eventually, to support multiple drive selection.
 2020-02-11 21:59:13 -05:00
Thomas Harte
1b27eedf6b Ensure this can definitely never divide by 0. 2020-01-28 23:25:21 -05:00
Thomas Harte
294e09f275 All these 'override's can be 'final's. 
At least for the purpose of being communicative. I doubt there's much to gain in terms of compiler output — the DiskImageHolder can avoid some virtual lookups but nothing else leaps out.
 2020-01-23 22:57:51 -05:00
Thomas Harte
98daad45c7 Removers Factors.hpp; now this is a C++17 project. 2020-01-19 23:18:59 -05:00
Thomas Harte
1b4b6b0aee Renames: NumberTheory -> Numeric. 2020-01-19 23:14:35 -05:00
Thomas Harte
357137918d Adds fuzzy but marking through the GetTrackWithSectors interface. 2020-01-19 21:41:10 -05:00
Thomas Harte
da3ee381f4 Attempts a full wiring up of fuzzy bits. 2020-01-19 21:20:21 -05:00
Thomas Harte
d27d14d2b0 Supplies fuzzy masks where specified. 2020-01-19 21:08:49 -05:00
Thomas Harte
b0326530d6 Allows fuzzy masks to be fed into the FM and MFM encoders. 2020-01-19 21:08:15 -05:00
Thomas Harte
c2bd5be51a This seems to be the proper interpretation of speeds? 2020-01-19 20:42:51 -05:00
Thomas Harte
84f5feab70 Properly flags up overloads. 2020-01-19 20:37:54 -05:00
Thomas Harte
5391a699a4 Adds the ability for a PCMSegment to maintain 'fuzzy' (i.e. random) bits. Implements an LFSR for bit generation. 
I'm not necessarily happy with the idea of just shoving in a [pseudo-]random number generator in rather than emulating the proper process underneath, but for now I throw my arms up.
 2020-01-19 20:09:11 -05:00
Thomas Harte
f3f8345e5e Corrects spelling mistake. 2020-01-19 20:05:52 -05:00
Thomas Harte
f34ddce28f Adds support for STX speed zones. 2020-01-19 12:38:33 -05:00
Thomas Harte
50348c9fe7 Adds the ability to substitute a target during encoding. 2020-01-19 12:11:56 -05:00
Thomas Harte
d4be052e76 Switch to matching fragments. 2020-01-18 14:18:59 -05:00
Thomas Harte
229b7b36ed Merge branch 'master' into ShifterSync 2020-01-18 13:38:56 -05:00
Thomas Harte
aeac6b5888 Allows the type of RDY signal to be specified. 2020-01-16 21:34:48 -05:00
Thomas Harte
99122efbbc Adds a slight cool-down period on end-of-rotation. 
Along with the corresponding inactive transition of the ready signal.
 2020-01-15 23:29:52 -05:00
Thomas Harte
30e856b9e4 Renames motor_is_on_ to motor_input_is_on_ to start to disambiguate the two things. 2020-01-15 23:16:25 -05:00
Thomas Harte
6b08239199 Adapts slightly; it would seem that BD-DOS disks really fill up space. 2020-01-14 23:16:06 -05:00
Thomas Harte
ecb5807ec0 Enssures STX interprets sector sizes correctly. 2020-01-14 21:35:37 -05:00
Thomas Harte
942986aadc Insures against badly-placed locations. 2020-01-13 22:49:12 -05:00
Thomas Harte
1f539822ee Adds better support for WD-esque false sync, improves STX track patching. 2020-01-13 22:19:48 -05:00
Thomas Harte
fab35b360a Ensure an encoder is created even if no sectors are placed. 2020-01-12 22:37:00 -05:00
Thomas Harte
b3b2e18c4b Ensures head and track counts are reported accurately. 2020-01-12 22:23:34 -05:00
Thomas Harte
2d233b6358 Makes a more concrete attempt at track/sector combination. 2020-01-12 22:18:31 -05:00
Thomas Harte
83ed36eb08 Add missing #include. 2020-01-12 17:56:04 -05:00
Thomas Harte
89f4032ffc Merge branch 'master' into STX2 2020-01-12 17:55:19 -05:00
Thomas Harte
514141f8c5 Eliminates the optionality of a DPLL receiver. 2020-01-12 17:45:02 -05:00
Thomas Harte
8e3a618619 Corrects Mac build, shrinks default history [back] to 3 slots. 2020-01-12 17:33:34 -05:00
Thomas Harte
6df6af09de Remove dead .cpp. 2020-01-12 17:25:59 -05:00
Thomas Harte
f42655a0fc Promote DigitalPhaseLockedLoop to a template, simplify to O(1) add_pulse. 2020-01-12 17:25:21 -05:00
Thomas Harte
f81a7f0faf Ensures prefixes are MFM encoded and decoded. 2020-01-11 22:10:41 -05:00
Thomas Harte
2b4c924399 Makes an effort to locate address and data bodies within track. 
"Not completely successful" would be the polite term.
 2020-01-09 23:28:07 -05:00
Thomas Harte
64517a02b7 Adds code to deal with sector-free tracks. 2020-01-09 21:50:32 -05:00
Thomas Harte
b4befd57a9 Advances to being able to cope with STXs with no special features whatsoever. 
Well, other than perhaps a broken data CRC. Fuzzy bits, timing differences and the stuff between sectors are all currently absent.
 2020-01-09 21:03:01 -05:00
Thomas Harte
985b36da73 Starts towards STX support. 2020-01-07 23:21:32 -05:00
Thomas Harte
c0b5bfe726 Ensure no possible return without value. 2020-01-02 23:43:53 -05:00
Thomas Harte
54fe01b532 Fixed: the final track is inclusive, not exclusive. 2019-12-24 23:08:16 -05:00
Thomas Harte
f633cf4c3f Adds a basic implementation of the non-instantaneous index pulse. 2019-12-24 21:05:17 -05:00
Thomas Harte
dfa6b11737 Adds responsibility for an ongoing index pulse to the drive. 2019-12-24 20:53:37 -05:00
Thomas Harte
adc2b77833 Enhances with constexpr. 2019-12-24 18:53:50 -05:00
Thomas Harte
0dae608da5 Embraces std::make_[unique/shared] in place of .reset(new . 2019-12-23 21:31:46 -05:00
Thomas Harte
34a3790e11 Minor static_cast clean-ups. 2019-12-22 17:56:59 -05:00
Thomas Harte
274867579b Deploys constexpr as a stricter const. 2019-12-22 00:22:17 -05:00
Thomas Harte
e9318efeb6 Switches to std::make_shared/make_unique in a bunch of applicable places. 
No doubt many more similar improvements are available, these are just the ones that were easy to find.
 2019-12-21 23:34:25 -05:00
Thomas Harte
416d68ab3a Installs some additional safety guards. 2019-12-19 22:27:50 -05:00
Thomas Harte
797abae4b3 Compacts gaps when necessary to fit more sectors. 2019-12-19 19:36:19 -05:00
Thomas Harte
332f0d6167 Ensures MSAs are explicitly read-only. 2019-12-08 11:52:15 -05:00
Thomas Harte
9d07765823 Ensures proper precedence of * over %. 2019-11-14 23:19:31 -05:00
Thomas Harte
2c4f372872 Adds support for the .ST file format. 2019-11-12 23:23:14 -05:00
Thomas Harte
74be876d72 Corrects track count calculation for DSD disks. 2019-11-12 23:22:56 -05:00
Thomas Harte
e8e166eec5 Ensures no out-of-disk-bounds mirroring. 2019-11-12 23:22:25 -05:00
Thomas Harte
0204003680 Resolves GCC warnings. 2019-11-09 16:12:37 -05:00
Thomas Harte
0971bbeebe Merge branch 'master' into AtariST 2019-11-05 23:24:26 -05:00
Thomas Harte
f3e2e88986 Update explanation of NIB processing. 2019-11-05 23:20:20 -05:00
Thomas Harte
46ec3510be Fixed: ST sectors are numbered from 1, not 0. 2019-11-03 21:18:29 -05:00
Thomas Harte
1c154131f9 Expands size of storage in Cycles/HalfCycles; adjusts widely to compensate. 2019-10-29 22:36:29 -04:00
Thomas Harte
909685d87d A drive with no disk is now happy to spin its motor. 
It'll continue to produce index-hole events, which might not be accurate for 5.25" drives. Research to do.
 2019-10-26 22:57:05 -04:00
Thomas Harte
c66c484c54 Removes unused includes. 2019-10-20 20:38:54 -04:00
Thomas Harte
345b32d6e3 Implements read-only MSA support. 2019-10-20 20:38:54 -04:00
Thomas Harte
8b397626bf Adds a route through the static analyser to the Atari ST. 2019-10-20 20:38:54 -04:00
Thomas Harte
9d17d48bca Ensures cycles_per_revolution_ is populated for fixed-rate drives. 2019-09-28 23:23:15 -04:00
Thomas Harte
faec516a2c Starts pushing towards figuring out a proper infrastructure for mass storage. 2019-08-21 23:22:58 -04:00
Thomas Harte
f668e4a54c Makes an attempt at getting the 5380 past arbitration. 
Not entirely successful. Also gets a bit smarter with `final` on ClockingHint::Sources.
 2019-08-15 23:14:40 -04:00
Thomas Harte
b1f04ed96d Eliminates the crutch of PlusToo BIN files. 
Thereby returning the .bin extension to the various consoles.
 2019-07-28 16:07:16 -04:00
Thomas Harte
786b26d23e Adds an admission of incompleteness. 
I really need to figure out the 5-and-3 encoding.
 2019-07-26 23:23:40 -04:00
Thomas Harte
d08d8ed22c Adds a further drift safeguard. 2019-07-26 23:23:01 -04:00
Thomas Harte
572e8b52e1 At the cost of extra storage, attempts to simplify away potential rounding issues around the index hole. 2019-07-26 17:20:32 -04:00
Thomas Harte
9b634472c6 Gets a little more rigorous on "high resolution". 2019-07-26 15:26:51 -04:00
Thomas Harte
d2bfd59953 Ensures positional continuity across rotation speed changes. 2019-07-25 22:29:54 -04:00
Thomas Harte
3d20ae47ea Ensures cycles_since_index_hole_ is wrapped to track length. 2019-07-25 21:48:01 -04:00
Thomas Harte
77333ff9f7 It appears that file checksums are not reliable. 2019-07-17 14:56:50 -04:00
Thomas Harte
79a624e696 Applies more rigorous logic to deciding when to stop parsing. 2019-07-16 18:06:54 -04:00
Thomas Harte
c123ca1054 Slightly improves syntax. 2019-07-16 18:05:58 -04:00
Thomas Harte
9f0f35033d Introduces sector interleaving. 2019-07-16 18:05:40 -04:00
Thomas Harte
3633285aaa Ensures a trailing zero bit isn't dropped. 2019-07-16 16:36:00 -04:00
Thomas Harte
cb16790330 Improves qualifiers. 2019-07-15 22:40:45 -04:00
Thomas Harte
ca37fd8f4c Corrects tag preservation. 2019-07-15 17:15:06 -04:00
Thomas Harte
46b98dab70 Bumps up the amount of reserved storage. 
To avoid a reallocation when reading Mac data.
 2019-07-15 17:12:31 -04:00
Thomas Harte
0568996264 Fixes a couple of data arrangement issues on output. 2019-07-15 17:11:58 -04:00
Thomas Harte
5b05a9bc61 Extends Drive to report is_writing and so that writing works as the first action. 2019-07-12 18:53:41 -04:00
Thomas Harte
2c39229b13 Adds has-new-disk flag, allowing mounting of software from the desktop. 2019-07-12 13:17:24 -04:00
Thomas Harte
6c2cc206a6 Takes a first stab at write support for Macintosh disk images. 
Albeit that the Macintosh itself can't yet write.
 2019-07-11 18:09:37 -04:00
Thomas Harte
5a9f3cfc1e Completes Mac GCR decoding and its associated test. 2019-07-11 17:37:07 -04:00
Thomas Harte
8f28b33342 Starts work on Macintosh GCR decoding. 2019-07-11 16:28:52 -04:00
Thomas Harte
c4ab0bb867 Starts sketching out an interface for IWM drives, eliminating a dangling use of unsigned as it goes. 2019-07-10 16:05:59 -04:00
Thomas Harte
3f303511bd Adds cstring include, in support of memcpy. 2019-07-08 18:06:58 -04:00
Thomas Harte
b9c2c42bc0 Switches drives to using floats for time counting. 
Hopefully to eliminate a lot of unnecessary `Time` work; inaccuracies should still be within tolerable range.
 2019-07-02 15:43:03 -04:00
Thomas Harte
68a3e5a739 Renamed DiskCopy42 to MacintoshIMG, now that it's not just DiskCopy 4.2 files. 2019-06-18 14:32:58 -04:00
Thomas Harte
9730800b6a Adds support for raw sector dumps. 2019-06-18 14:14:25 -04:00
Thomas Harte
506276a2bd Corrected: use format tag as intended. 2019-06-18 14:04:28 -04:00
Thomas Harte
df56e6fe53 Fixed: the sector number also goes into sector bodies. 
Also the checksum is written in the other order, and the final byte of data isn't output.
 2019-06-18 10:34:10 -04:00
Thomas Harte
756641e837 Fixed: tags go first, then data. 2019-06-16 22:00:12 -04:00
Thomas Harte
05c2854dbc Makes at least some attempt at producing real disk tracks. 2019-06-16 21:17:24 -04:00
Thomas Harte
5c8aacdc17 Fixes the more obvious issues with GCR encoding: byte order, top bit selection. 2019-06-16 17:17:24 -04:00
Thomas Harte
fe0dc4df88 Starts building out some tests for Apple GCR encoding. 2019-06-15 22:48:24 -04:00
Thomas Harte
33f2664fe9 Makes a first attempt at Macintosh GCR encoding. 2019-06-15 22:29:02 -04:00
Thomas Harte
a17e47fa43 Apple's GCR header varies between the Mac and the Apple II. 2019-06-15 16:32:56 -04:00
Thomas Harte
877b46d2c1 Advances IWM/drive emulation very close to the point of 'Welcome to Macintosh'. 2019-06-15 16:08:54 -04:00
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