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
7c8e830b90
Adjusted the Acorn tape parser to avoid signed left shifts.
2017-10-17 22:34:49 -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
Thomas Harte
5dd3945695
Factors out the more egregious similarities between ADF and SSD.
2017-09-29 22:07:23 -04:00
Thomas Harte
19eb975c73
Adds an intermediate step in CP/M directory parsing.
...
To reduce amount of time spent allocating and reallocating buffers.
2017-09-29 21:38:16 -04:00
Thomas Harte
698ffca51b
Recasts the [M]FM parser in terms of the new factoring.
...
Temporarily breaks SSD writing support.
2017-09-29 20:08:36 -04:00
Thomas Harte
fe3cc5c57c
Removes dead pragma.
2017-09-28 20:47:25 -04:00
Thomas Harte
f488854720
Switches Oric MFM DSK serialisation to feeding a track serialisation to a shifter.
...
Thereby eliminates the parser's need to offer get_track.
2017-09-27 22:14:50 -04:00
Thomas Harte
51c0c45e04
Turns MFM bit length into a globally-available constant.
2017-09-27 21:30:09 -04:00
Thomas Harte
c3e1489a8e
Introduces Track::Address, a parallel to Sector::Address to enable more uniform storage.
2017-09-27 21:29:06 -04:00
Thomas Harte
e3420f62c6
Switches the Acorn ADF implementation to using the new track_serialisation/sectors_from_segment route for decomposition of a track into sectors.
2017-09-26 22:05:33 -04:00
Thomas Harte
9f4a407f94
Switches the track serialiser to a more standard header + implementation separation.
...
Also introduces a full priming of the PLL before deserialisation begins.
2017-09-26 22:01:32 -04:00
Thomas Harte
5dda897334
Changes function name to sector_size — into line with idioms.
2017-09-26 22:00:19 -04:00
Thomas Harte
3982e375e3
Introduces a route from a PCMSegment to a list of [M]FM sectors.
2017-09-25 19:57:11 -04:00
Thomas Harte
a8524daecb
Marks the move constructor as noexcept, to improve usage with vector.
2017-09-25 19:53:22 -04:00
Thomas Harte
d1ce764201
Provides SectorsFromSegment, a bitstream to sector converter.
2017-09-24 22:41:16 -04:00
Thomas Harte
8875982e1f
Ensures Sectors are move constructible (and still default constructible), and adds proper const qualifiers to Sector::Address.
2017-09-24 22:40:38 -04:00
Thomas Harte
3319a4f589
Isolates those Sector fields that describe its address and makes them usable as a set key.
2017-09-24 21:57:21 -04:00
Thomas Harte
c7f27b2db4
Renames MFM.[c/h]pp as per its new remit: encoding only.
2017-09-24 21:40:43 -04:00
Thomas Harte
631f630549
Severs the MFM parser from the overweight single MFM.hpp.
2017-09-24 20:31:19 -04:00
Thomas Harte
2a08bd9ecc
Factors shifting plus stateful [M]FM token recognition out of the MFMDiskController.
...
Given the proliferation of MFM-related classes, establishes a subdirectory for them.
2017-09-24 20:07:56 -04:00
Thomas Harte
f789ee4ff0
Introduces a track to segment decoder.
...
This will be needed to make formats like G64 and HFE writeable, but probably also will be usable to speed up static analysis.
2017-09-23 22:39:19 -04:00
Thomas Harte
d72dad2d1a
Severs the DiskImage implementation from its public header file.
2017-09-22 22:46:31 -04:00
Thomas Harte
698e4fe550
Tidies the Disk file hierarchy.
2017-09-22 22:39:23 -04:00
Thomas Harte
b5406b90cd
Introduces a new class hierarchy for disk images.
...
Increasing independence of format-specific stuff and generic caching without mangling them into a common namespace, and allowing in some cases for a decrease in read/write blocking.
2017-09-22 20:28:11 -04:00
Thomas Harte
44a56724cb
Speeds up byte decoding within sectors for the ahead-of-time MFM parser.
2017-09-16 20:28:24 -04:00
Thomas Harte
a85909198f
Adds defences against double calls to end writing.
2017-09-16 17:07:36 -04:00
Thomas Harte
da082673d7
Drives now have a finite number of heads.
...
The Amstrad volunteers itself to be single sided. Everything else stays as it was.
2017-09-15 21:18:36 -04:00
Thomas Harte
662d031e3c
Adds exposition on the meaning of a disk controller being in write mode.
2017-09-15 19:14:36 -04:00
Thomas Harte
bf20c717fb
The Drive now no longer produces input when in writing mode — other than announcing the index hole.
2017-09-14 22:32:13 -04:00
Thomas Harte
4d4a0cf1d2
Puts the disk controller back into the loop with knowledge about reading mode, and uses that knowledge to cut off the PLL.
2017-09-14 22:30:40 -04:00
