Thomas Harte
3e0b7d71d4
Properly handle partial bytes.
2022-01-01 19:09:19 -05:00
Thomas Harte
58d10943ed
Add asserts to validate my reserve sizes.
2022-01-01 19:08:44 -05:00
Thomas Harte
dc920a04f6
Add missing #include.
2022-01-01 19:03:07 -05:00
Thomas Harte
d031381e70
Gaps provide content, and data chunk lengths seem to be in terms of unencoded bytes.
2022-01-01 18:47:07 -05:00
Thomas Harte
ed1b0b90f7
Makes a first attempt at encoding data.
2022-01-01 18:36:44 -05:00
Thomas Harte
38dd3c5c60
On second thoughts, no need to use a vector here.
2022-01-01 17:15:12 -05:00
Thomas Harte
350c98ab4d
Add those densities I've yet discovered the rules for.
2021-12-29 18:15:37 -05:00
Thomas Harte
4f3c754771
Adds exposition.
2021-12-27 19:15:46 -05:00
Thomas Harte
dc994f001d
Mention units.
2021-12-27 18:55:11 -05:00
Thomas Harte
9b6ccbcc95
Parses data and gap stream elements.
2021-12-27 18:12:44 -05:00
Thomas Harte
9d3cf9c73c
Collate descriptions of all tracks.
2021-12-26 14:49:51 -05:00
Thomas Harte
28572d4392
Enforce string-length requirement.
2021-12-26 09:12:44 -05:00
Thomas Harte
0433db0370
Eliminate macro.
2021-12-25 19:36:54 -05:00
Thomas Harte
a6b326da48
Parse the INFO record.
2021-12-25 18:17:13 -05:00
Thomas Harte
e457ce66ea
Adds sanity checks around CAPS block.
2021-12-25 17:32:29 -05:00
Thomas Harte
c118dd8afe
Adds just enough to list all the blocks in an IPF.
2021-12-25 17:27:50 -05:00
Thomas Harte
dba3a3d942
Add through route to an IPF container.
2021-12-25 17:06:47 -05:00
Thomas Harte
6c606b5506
Fix through route to TargetPlatform::TypeDistinguisher.
2021-12-25 17:06:12 -05:00
Thomas Harte
544c137cb0
Add updated intel.
2021-10-16 13:30:56 -07:00
Thomas Harte
d9d20d9d30
Walk back slightly.
2021-10-14 18:02:58 -07:00
Thomas Harte
b12c640807
Makes drives non-copyable.
...
To avoid error in the future.
2021-10-14 12:37:55 -07:00
Thomas Harte
8960f471a0
Use unspread_bits for FM and MFM decoding.
2021-10-12 15:18:50 -07:00
Thomas Harte
955cb6411c
Factor out bit spreading.
...
(And do a better job of it)
2021-10-12 14:49:01 -07:00
Thomas Harte
fc4ca4f8e3
I don't think there are sync words at the start of the track.
2021-10-12 10:38:15 -07:00
Thomas Harte
a1f02d0cd8
Add track padding.
2021-10-11 18:05:37 -07:00
Thomas Harte
addf9f9af4
Moves block byte writes into Storage::Encodings::MFM::Encoder.
2021-10-10 16:06:51 -07:00
Thomas Harte
c4cfcfab8e
Checksums appear to be calculated as 32-bit quantities.
2021-10-10 12:58:10 -07:00
Thomas Harte
5e083426c5
Takes another run at checksums.
...
It turns out I'd read entirely the wrong section of the ADF FAQ. Am now trying to piece things together from various EAB threads.
2021-10-10 11:47:48 -07:00
Thomas Harte
aeaea073c6
Switch both: (i) which bits are odd/even; and (ii) nibble ordering.
2021-10-09 13:45:19 -07:00
Thomas Harte
ed303310bb
Spell out slightly more; this makes debugging a touch easier.
2021-10-06 13:40:48 -07:00
Thomas Harte
ce8f782577
Corrects meaning of IBM-style RDY.
2021-10-06 04:42:44 -07:00
Thomas Harte
6566936be9
Be overt about the intended interface.
2021-10-04 16:45:33 -07:00
Thomas Harte
9012a7f5e1
Merge branch 'master' into Amiga
2021-09-23 23:00:03 -04:00
Thomas Harte
e5a5faa417
Resolves Clang 13 implicit conversion warnings.
2021-09-23 22:53:41 -04:00
Thomas Harte
2b0a4055f7
Makes an attempt at Amiga ADF encoding.
2021-07-16 20:07:17 -04:00
Thomas Harte
7cb16a3fc5
Introduces a shell for Amiga ADF decoding.
2021-07-16 18:11:07 -04:00
Thomas Harte
6b47fb38c6
Corrects buffer placement of decoded sectors.
2021-07-03 13:36:01 -04:00
Thomas Harte
bae8bb0c00
Gives the FAT parser responsibility for right trims.
2021-07-02 19:50:27 -04:00
Thomas Harte
a5b7d819a7
Correct FAT parser.
2021-07-02 19:28:13 -04:00
Thomas Harte
fe07a0b1d8
Starts to add a FAT[12] parser.
2021-07-02 18:56:43 -04:00
Thomas Harte
83a54fd6d2
Use the FAT12 boot sector to determine geometry.
2021-06-22 06:54:17 -04:00
Thomas Harte
c1678d7be7
Corrects exposition and transmission of drive selection.
...
What a klutz I've been.
2021-06-21 22:56:25 -04:00
Thomas Harte
199621db08
Observes that the actual guess here is MS-DOS-style.
2021-06-19 23:11:51 -04:00
Thomas Harte
cc3c3663f6
Makes minor style improvements.
2021-03-22 19:55:03 -04:00
Thomas Harte
772093c311
Add missing header.
2021-02-16 22:51:57 -05:00
Thomas Harte
bd54e30748
Adds workaround for Sweet 16, which can produce bad data.
2021-02-16 22:21:10 -05:00
Thomas Harte
b5ecd5f7ef
Merge branch 'master' into AppleIIgs
2021-01-31 11:47:40 -05:00
Thomas Harte
ac95e4d758
Adds support for ADL-format disk images.
2021-01-30 18:39:29 -05:00
Thomas Harte
0bd3103949
Wires in the most common IIgs style of 2MG.
2020-11-24 18:19:34 -05:00
Thomas Harte
9a819d6ca0
Transcribes interesting 2MG fields, albeit without acting on them.
2020-11-23 22:02:32 -05:00
Thomas Harte
b4bf541eec
Adds boilerplate route into a 2MG-handling class.
2020-11-23 21:42:18 -05:00
Thomas Harte
cddd72876f
Flips meaning of ejected bit, to please the IIgs.
2020-11-18 17:20:48 -05:00
Thomas Harte
da8563733b
Adds an informal guarantee.
2020-11-16 19:53:17 -05:00
Thomas Harte
e41faeb557
Adds a quick protection against sector ID buffer overrun.
2020-11-16 19:52:42 -05:00
Thomas Harte
a2a928e262
Takes a guess at the format of IIgs .po files; wires them through to the actual machine.
...
... which still declines to boot.
2020-11-12 18:01:26 -05:00
Thomas Harte
82d6a5387f
Gives Qt disk controllers independent ROM/RAM selection logic.
...
In particular, this fixes the Microdisc.
2020-07-29 21:06:41 -04:00
Thomas Harte
b961665985
Ensures WOZ2 behaviour even if type_ has an invalid value.
...
This pleases GCC 7.
2020-07-24 21:56:20 -04:00
Thomas Harte
5ebbab6f35
Further relax Apple GCR static analysis requirements.
2020-07-20 19:50:33 -04:00
Thomas Harte
84dd194afd
Corrects test for ::tracks_differ.
2020-07-20 19:48:20 -04:00
Thomas Harte
47f121ee4c
Mark WOZs as read-only, with exposition as to why.
2020-07-19 00:08:49 -04:00
Thomas Harte
d8b699c869
Corrects index pulse signalling.
2020-07-19 00:06:27 -04:00
Thomas Harte
8dcb48254a
Simplifies calculations very slightly.
2020-07-17 23:18:08 -04:00
Thomas Harte
f6b7467d75
Implement custom tracks_differ; support WOZ 2 3.5" drive geometry properly.
2020-07-17 22:09:55 -04:00
Thomas Harte
9d1d162cc8
Add an ability to avoid track flushing when file formats have sub-track precision.
2020-07-17 22:09:21 -04:00
Thomas Harte
4ee29b3266
Switches disk seeking logic fully to floating point.
2020-07-17 22:08:58 -04:00
Thomas Harte
c7ef258494
Ensures that five-and-three sectors pass static analysis.
2020-07-16 21:44:14 -04:00
Thomas Harte
4fec7c82ab
Very minor grammar improvement.
2020-07-16 21:43:03 -04:00
Thomas Harte
9a952c889f
Fixes exit from random gain noise.
2020-07-15 22:44:54 -04:00
Thomas Harte
8da7806ee9
Liberalises segment parser not necessarily to require a standard epilogue.
...
It seems that real disks don't always have them; I guess the boot ROM doesn't require one.
2020-07-15 22:27:04 -04:00
Thomas Harte
aed61f6251
Implements latest advocated MC3470 behaviour.
2020-07-15 19:34:05 -04:00
Thomas Harte
d065d6d98f
Adds read-only WOZ 2 support.
2020-07-15 19:15:03 -04:00
Thomas Harte
59458f6444
Resolves errant spaces.
2020-06-16 23:15:38 -04:00
Thomas Harte
495024d6fe
Cleans up all redundant lock/unique_guard declarations.
2020-06-15 00:24:10 -04:00
Thomas Harte
73131735fa
Further qmake warning corrections.
2020-05-30 19:31:17 -04:00
Thomas Harte
48afc54af6
Cuts down unused parameter warnings to just a few that may well indicate implementation errors.
2020-05-30 01:06:43 -04:00
Thomas Harte
267006782f
Starts to add Qt target; resolves many build warnings.
2020-05-30 00:37:06 -04:00
Thomas Harte
512a52e88d
Increases const correctness, marks some additional constructors as constexpr, switches std::atomic construction style.
2020-05-20 23:34:26 -04:00
Thomas Harte
25996ce180
Further doubles down on construction syntax for type conversions.
2020-05-09 23:00:39 -04:00
Thomas Harte
31c6faf3c8
Adds a bunch of consts.
2020-05-09 21:23:52 -04:00
Thomas Harte
f720a6201b
Adds explicit type cast.
2020-03-29 18:36:57 -04:00
Thomas Harte
ea26f4f7bf
Eliminates test code, adds a caveat.
2020-03-25 21:22:30 -04:00
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
