Thomas Harte
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ba088e5545
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Adapted the Z80 into a clock receiver, which also vends Cycles rather than a raw int within its PartialMachineCycle struct. The objective is to update it to vend HalfCycles within its struct, but I think I need to do some work on cycle/half-cycle arithmetic first.
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2017-07-23 22:15:04 -04:00 |
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Thomas Harte
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8a0b0cb3d7
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Extended both classes to allow copy assignment, copy construction and implicit zero-length construction.
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2017-07-23 22:13:41 -04:00 |
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Thomas Harte
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6369138bd1
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Converted the Oric's video output into a ClockReceiver.
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2017-07-22 23:11:30 -04:00 |
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Thomas Harte
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c2a7dffa7d
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Converted the ZX80/81 video component into a ClockReceiver. As it happens, it's most convenient to take the half-cycle bus here.
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2017-07-22 23:02:28 -04:00 |
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Thomas Harte
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b0c2325adc
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Corrected run call, and accepted that jam handling is gone forever.
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2017-07-22 22:21:26 -04:00 |
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Thomas Harte
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2ff157cf7a
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Switched CRTMachine over to use Cycles as an explicit statement of units, and followed through on the effects of that.
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2017-07-22 22:17:29 -04:00 |
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Thomas Harte
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83628b285b
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Experimentally turned the 6502 into a clock receiver. No problem encountered.
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2017-07-22 21:52:21 -04:00 |
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Thomas Harte
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1ba3f262a2
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Sketched out a template for clock-receiving components to allow them to be implemented in terms of either half or whole cycles.
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2017-07-22 21:46:50 -04:00 |
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Thomas Harte
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97334e10af
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Merge pull request #157 from TomHarte/Documentation
Brings some minor documentation improvements
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2017-07-22 17:40:44 -04:00 |
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Thomas Harte
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31b4f8fa31
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Added an expository TODO.
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2017-07-22 17:40:06 -04:00 |
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Thomas Harte
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1bbb4cb478
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Increased documentation.
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2017-07-22 17:39:51 -04:00 |
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Thomas Harte
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d46da6ac9d
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Added documentation.
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2017-07-22 17:31:12 -04:00 |
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Thomas Harte
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825b38850e
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Removes non-idiomatic line break.
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2017-07-22 17:30:58 -04:00 |
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Thomas Harte
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8755824c64
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Added some documentation.
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2017-07-22 17:25:53 -04:00 |
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Thomas Harte
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b3d3fd70aa
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Merge pull request #156 from TomHarte/P81
Adds support for the P81 file format
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2017-07-22 16:03:38 -04:00 |
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Thomas Harte
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6633537fb8
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Discovering that there is such a thing as P81 — a ZX81 file without the name omitted — added support for it. Extended FileHolder while I was here to retain the file name and be able to supply its extension, as my quick-fix test-the-last-character approach to o/p/80/81 discrimination stops working with p81 thrown into the mix and this feels like the correct factoring.
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2017-07-22 16:02:25 -04:00 |
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Thomas Harte
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4dec9716c4
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Merge pull request #155 from TomHarte/MissingByte
Corrects infrastructure that led to the final bit of a ZX80 or ZX81 tape never exiting the parser
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2017-07-22 15:43:50 -04:00 |
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Thomas Harte
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313b36944f
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Ensured that the final bit of a tape isn't dropped even if the tape ends exactly after it, by not posting a false pulse, being less restrictive about what can cap a bit, and in any case using a long gap as the end-of-file bookend.
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2017-07-22 15:41:33 -04:00 |
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Thomas Harte
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456fdda6c2
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Ensured that the mark_end step can't overwrite another recognised symbol.
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2017-07-22 15:40:22 -04:00 |
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Thomas Harte
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a6b239698c
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Merge pull request #153 from TomHarte/StricterWarnings
Enabled stricter compiler warnings
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2017-07-21 22:28:55 -04:00 |
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Thomas Harte
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92d1dd9a4a
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Attempts to eliminate all remaining type variations.
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2017-07-21 21:54:05 -04:00 |
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Thomas Harte
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45ec5f8eab
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Eliminated implicit sign conversion.
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2017-07-21 21:53:27 -04:00 |
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Thomas Harte
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1d01acce06
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Fixed differing types of loop variables and targets.
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2017-07-21 21:53:05 -04:00 |
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Thomas Harte
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be750ee427
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Eliminated all dangling implicit signedness conversions.
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2017-07-21 21:52:37 -04:00 |
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Thomas Harte
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dddb30477b
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Used a different inner-loop variable, for clarity.
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2017-07-21 21:52:08 -04:00 |
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Thomas Harte
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37459a3ebc
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Fixed parameter shadowing.
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2017-07-21 21:51:18 -04:00 |
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Thomas Harte
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449c33ee8b
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Signedness fixes.
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2017-07-21 21:28:04 -04:00 |
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Thomas Harte
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2b5d0877a8
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Adjusted parameter name to match documentation. I think it's a carry-over from before I was passing the whole event along.
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2017-07-21 21:27:50 -04:00 |
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Thomas Harte
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6d5807ec4b
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Fixed sign and ensured that the DataFromString implementation is of the thing declared in the header.
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2017-07-21 21:24:28 -04:00 |
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Thomas Harte
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64865b3f41
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Signedness fixes.
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2017-07-21 21:23:34 -04:00 |
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Thomas Harte
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53f0e1896b
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Made delay_time_ unsigned for safe comparison.
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2017-07-21 21:21:23 -04:00 |
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Thomas Harte
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aaa60dab12
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Fixed signedness of index.
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2017-07-21 21:21:01 -04:00 |
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Thomas Harte
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9b72c445a7
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Fixed indexing type.
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2017-07-21 21:19:46 -04:00 |
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Thomas Harte
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3f609e17b3
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Factored out the table-lookup approach to being a typer, and adjusted so as definitely to limit myself to positive offset table lookups.
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2017-07-21 21:18:51 -04:00 |
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Thomas Harte
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ef03c84b21
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More definitively removed the old sample-offset blending approach to filtering.
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2017-07-21 20:58:55 -04:00 |
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Thomas Harte
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163c0f1b44
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Ensured offset means exactly one thing.
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2017-07-21 20:58:17 -04:00 |
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Thomas Harte
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807e1d36d5
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Resolved signedness mismatch.
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2017-07-21 20:57:48 -04:00 |
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Thomas Harte
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5545cc8bab
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Merge branch 'master' into StricterWarnings
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2017-07-21 20:47:28 -04:00 |
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Thomas Harte
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d6e60c8e3a
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Merge pull request #151 from TomHarte/TZX
Adds partial TZX file format support
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2017-07-21 20:47:08 -04:00 |
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Thomas Harte
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2d8e7e9f8b
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Removed reference to a parameter long-since dead.
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2017-07-21 20:46:25 -04:00 |
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Thomas Harte
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5b4c5b0cbf
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Avoided having two different variables named next_output_run.
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2017-07-21 20:46:08 -04:00 |
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Thomas Harte
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2471ef805b
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Fixed signed/unsigned comparison and potential negative table reference.
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2017-07-21 20:45:49 -04:00 |
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Thomas Harte
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2a7fc86b15
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Enabled stricter warnings.
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2017-07-21 20:44:35 -04:00 |
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Thomas Harte
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3c8bf52fb8
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Believing my 64kb memory map not currently to work, temporarily disabled reference to it in the static analyser.
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2017-07-21 20:43:56 -04:00 |
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Thomas Harte
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a026998682
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Marginally optimised set_offset to avoid resets when possible.
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2017-07-21 20:43:20 -04:00 |
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Thomas Harte
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06ea81fdb2
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Made sure that unrecognised waves don't block the symbol queue, and allowed any type of nonsense to be skipped before finding a byte.
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2017-07-21 20:23:26 -04:00 |
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Thomas Harte
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d69b1e2d11
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Switched parsing logic to looking only for upward zero crossings, that being my new understanding of the ROM.
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2017-07-21 19:39:38 -04:00 |
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Thomas Harte
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a3e0024980
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Chopped time accumulation out of the default Tape process because it's proving to be sufficiently expensive for a TZX as not to be worthwhile. Introduced a cheaper position capturing/restoring method.
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2017-07-21 18:55:03 -04:00 |
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Thomas Harte
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d9a2c32aca
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Made an attempt to obey the proper TZX rules on gaps, and to hit the common-clock-rate Time optimisation.
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2017-07-21 18:21:12 -04:00 |
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Thomas Harte
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e152ed2e61
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Made an attempt to avoid GCD costs when accumulating Times with a common clock rate (/divisor).
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2017-07-21 18:20:27 -04:00 |
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