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0933dc1afa27aa288491f37bede9639f61744a04
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41 Commits

Author SHA1 Message Date
David Given
0933dc1afa Partially complete rework of all the decoders to avoid seeking inside the 
fluxmap. This requires resetting the FluxDecoder, which loses any pending
state, resulting in bad reads for (some) formats which don't have gaps between
sectors --- the DVK MX is the main victim.
 2022-02-12 00:55:09 +01:00
David Given
3d1ee7a43e Don't spin in an infinite loop if the decoder tries to find a data record and 
the matcher fails to find anything, leaving the seek point unchanged.
 2021-12-10 19:56:00 +00:00
David Given
2cbe39e553 Fix bugs to make the IBM decoder work again. 2021-11-26 21:17:58 +01:00
David Given
20ade1de7b Replace the flux decoder with a PLL-based one stolen from samdisk. It almost 
works.
 2021-11-25 00:00:51 +01:00
David Given
5d889d4d95 Remove Track, which is now obsolete. 2021-07-16 00:00:11 +02:00
David Given
f589e094b2 Remove RawRecord, which is now obsolete. 2021-07-15 23:55:29 +02:00
David Given
458d0f7a1b Another mahoosive refactor: move away from using protos for the disk output in 
favour of pod objects, which allows STL contains. Lots of shared_ptrs
everywhere. Much simpler and more effective code. The reader works with one of
the decoders; still have to do the rest of them and the encoders.
 2021-07-15 22:50:29 +02:00
David Given
f1f27ffd33 The protoified reader now builds and runs, although doesn't work properly. 2021-07-11 23:53:50 +02:00
David Given
4a2e09e8eb Merge from master. 2021-07-11 17:38:09 +02:00
David Given
4b3fada646 Archival checkin (WIP). 2021-07-11 17:36:42 +02:00
David Given
326969e488 Clean up the Amiga decoder. 2021-07-11 12:34:40 +02:00
David Given
56cbf39d59 Finally make the Amiga encoder work properly. Do some FM/MFM/bits refactoring. 2021-07-05 23:16:03 +02:00
David Given
5a186b6960 Rename all protos to end with 'Proto' to avoid name conflicts. 2021-05-13 18:05:08 +02:00
David Given
f9510c54b2 Split the encoder/decoder configuration away from inputs and outputs. Make the 
test pattern creator a flux source.
 2021-05-13 17:23:06 +02:00
David Given
323da8272a Hopefully add support for giving the reader a set of required sectors, so if 
one is missing then we can tell and the track can be reread.
 2020-02-21 22:14:44 +01:00
David Given
d25f96dd24 The IBM encoder now works well enough that my USB floppy drive thinks the disk 
is formatted... but has trouble reading sectors above about 1000. Also remember
that encoding MFM needs to keep one bit of state at all times.
 2020-02-14 00:06:51 +01:00
David Given
792cc88192 The Amiga writer now generates valid flux files --- but it looks like the 
writer's broken (both the Amiga and the Brother have failed).
 2019-12-14 20:44:48 +01:00
David Given
d0a864c052 Merge. 2019-07-03 23:20:07 +02:00
David Given
032df676c1 Replace meson with a very small shell script. 2019-07-03 22:18:34 +02:00
David Given
3ee31b96a4 Add the prototype MX decoder. 2019-07-02 00:40:38 +02:00
David Given
b1092c7f82 Simplify the decoder class hierarchy. 2019-04-30 21:44:56 +02:00
David Given
1fb67dfe3c Remove stateful decoder and split decoder. 2019-04-30 21:43:25 +02:00
David Given
184e7766f0 Add some helper methods to make decoders easier. Port IBM to the new new 
architecture.
 2019-04-30 20:45:16 +02:00
David Given
4cc680057e Port the Brother decoder to the new *new* architecture. 2019-04-29 23:28:12 +02:00
David Given
00bae9fba7 Remove the obsolete decoder base classes. 2019-04-28 00:32:32 +02:00
David Given
5f8e0c846c Allow split decoders (into sector record and data record). 2019-04-19 00:55:01 +02:00
David Given
5ce2acdfb4 The new decoder architecture now works, at least for the FB100. All I need now 
is to rewrite every single other decoder.
 2019-04-18 00:47:28 +02:00
David Given
6e31a9e4ae Refactor so track state is passed around in the Track object. 2019-04-16 22:49:35 +02:00
David Given
7a49ec7819 Moderately crudely hack in routing side information to the decoders; this is 
needed by the Victor 9000 decoder to figure out the right clock rate.
 2019-04-16 19:50:25 +02:00
David Given
9b59e7025d Add the ability for decoders to specify their own clocks --- necessary for the 
Victor 9k. We now have _much_ better decoding for this platform.
 2019-04-16 01:13:28 +02:00
David Given
84076674fd Add stateful decoders, which makes formats like the FB-100 much easier to work 
with. Add a generic CRC tool allowing all the parameters to be set (currently
unused).
 2019-04-12 00:13:56 +02:00
David Given
cf9730fbb3 Splitting by hard sectors works, up to a point; we can correctly decode (with 
CRC checking!) most of the Zilog MCS disk. However, we're still stumped by the
extra index hole.
 2019-03-09 12:19:28 +01:00
David Given
456791e20c Refactor to use FluxmapReader. 2019-03-09 11:30:50 +01:00
David Given
574d383573 Remove discrete segmenters, instead rolling the logic into Decoders; prepare 
for splitting decoders into soft-sector and hard-sector.
 2019-03-08 23:57:46 +01:00
David Given
94fb10eb02 Behemoth change to rework everything to use Bytes rather than vectors of 
uint8_t. The tests pass, but of course, nothing decodes any more.
 2019-03-05 00:10:20 +01:00
David Given
01acc4e5b3 Partially decode the Kryoflux Mac image I have (complete with checksum 
checking). The read is very bad, but I don't know whether that's because
there's something wrong I'm doing, or if the Kryoflux image is bad.
 2019-02-20 20:46:01 +01:00
David Given
259a02898f Massive refactor to overhaul and simplify the decoder system. Amiga has been 
disabled (because it needs rewriting now).
 2019-02-19 00:39:13 +01:00
David Given
d60dc37bb8 Refactor the Brother stuff. 2018-12-23 14:35:08 +01:00
David Given
acd2a9c23b Add CRC checking for IBM disks. Weirdly, my 1200kB disk appears to have deleted 
sectors (id mark F8) on it, where the checksums don't match. Myserious...
 2018-10-22 02:45:18 +02:00
David Given
d7b2505720 You can now decode Brother disks to images. No CRC checking, though. 2018-10-21 19:10:33 +02:00
David Given
8244f9ec51 We can now decode IBM MFM disks all the way to an image, although with no CRC 
checking as yet.
 2018-10-20 19:25:20 +02:00