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Commit Graph

15 Commits

Author SHA1 Message Date
Thomas Harte
0b771ce61a Removes all instances of the copyright symbol. 2018-05-13 15:19:52 -04:00
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
d83178f29d Makes an attempt at implementing all missing TZX 1.20 blocks.
Towards that aim, simplifies CSW handling so that even regular RLE compression uses a static grab of file contents.
2018-02-22 21:28:12 -05:00
Thomas Harte
db6d9b59d0 Attempts to implement TSX support for the MSX. 2017-12-19 21:53:04 -05:00
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
a3b16b6dfa Further beefs up the list of chunks that this TZX parser can either comprehend or skip. 2017-08-03 12:13:41 -04:00
Thomas Harte
2d2cefb0b0 Adjusted factoring to introduce support for block 10. 2017-08-02 14:36:47 -04:00
Thomas Harte
d7a5c3f49a Added support for the ID 20 block and fixed a minor error in my skip-the-contents version of block 11: length is three bytes long, not two. This gives me enough structure properly to get to the end of my current test CDT, albeit without making any of the noises. 2017-08-02 14:12:34 -04:00
Thomas Harte
d9a2c32aca Made an attempt to obey the proper TZX rules on gaps, and to hit the common-clock-rate Time optimisation. 2017-07-21 18:21:12 -04:00
Thomas Harte
35296017b5 Clarified meaning of is_high_ flag and ensured it is honoured properly. 2017-07-17 21:36:05 -04:00
Thomas Harte
0350925c1e Started sketching out greater support. Mostly TODOs right now, but pulse sequence and pure tone are implemented. I probably also need at least the CSW block to hit everything you might see in a ZX80 or ZX81 tape. Then I can worry about the rest when I have a way to test them. 2017-07-17 19:38:15 -04:00
Thomas Harte
fa617eac6b Spotted that pilot and data segments have different encodings — of course! — and attempted to adapt. 2017-07-17 07:34:10 -04:00
Thomas Harte
b63971caf7 Took a first, incorrect, shot at TZX chunk 0x19, the generalised data block. 2017-07-16 22:40:38 -04:00
Thomas Harte
7327da6350 Switched the nascent TZX to use the new PulseQueuedTape. 2017-07-16 22:06:56 -04:00
Thomas Harte
238348c885 Performed the initial wiring to announce that this application supports TZX files and to route them to the ZX80/81 static analyser. The TZX class itself does not yet do much beyond basic validation. I think it'll be easiest if it follows in UEF's footsteps in queuing up pulses ahead of time, so some factoring out is now required. 2017-07-16 21:33:11 -04:00