Thomas Harte
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cc0b70828b
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Removed attempt at multiple-file logic, at least for the time being. Starting to wonder whether I actually need anything beyond a literal streaming of bytes?
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2016-10-16 22:15:24 -04:00 |
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Thomas Harte
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b274d7008c
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Added precaution to make sure best-effort updaters aren't mid-update during document destruction.
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2016-10-16 22:14:47 -04:00 |
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Thomas Harte
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61ad0f8bdc
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Fixed inverse characters, added an extra per-frame phase change, based on empirical observation, ensured header guard won't become ambiguous.
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2016-10-16 22:14:01 -04:00 |
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Thomas Harte
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fae1bb0db9
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First successful game loaded! It turns out exactly one '$' is correct. Probably.
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2016-10-15 21:49:41 -04:00 |
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Thomas Harte
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a67afb7efa
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Switched to a tight crop on the pixel part of the display.
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2016-10-15 21:43:46 -04:00 |
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Thomas Harte
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952a24f769
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A quick hard-wiring of the OricTAP code to get the first file in a .tap correct, damn the rest, and I'm getting some on-screen feedback. Hooray!
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2016-10-15 21:39:53 -04:00 |
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Thomas Harte
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a608bbebfb
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Performed enough wiring to put the onus back onto OricTAP to do appropriate things.
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2016-10-15 21:32:59 -04:00 |
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Thomas Harte
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6d7c3f6ac2
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Factored out the now-sampling binary-level tape player from the Vic and connected it up to the Oric.
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2016-10-15 21:21:18 -04:00 |
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Thomas Harte
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9730e8247f
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Ensured propagation of synchronise messages, added enough to do plain tone. Probably. So: noise and envelopes missing. And it's all far too quiet.
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2016-10-15 21:04:21 -04:00 |
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Thomas Harte
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51bdac27ae
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Made some AY advances; it's now being polled for samples and collecting more information on what it needs to output.
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2016-10-15 17:45:39 -04:00 |
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Thomas Harte
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da9c9ad51a
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Added in the missing keys; added variable phase to the video.
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2016-10-14 22:39:27 -04:00 |
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Thomas Harte
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288d10c253
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Got some keyboard reaction.
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2016-10-14 21:44:15 -04:00 |
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Thomas Harte
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3dbb602419
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This seems to be a bit more likely.
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2016-10-14 21:36:59 -04:00 |
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Thomas Harte
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138eabcff4
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Continued in my effort to wire up a keyboard. Will need further to continue.
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2016-10-14 21:35:15 -04:00 |
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Thomas Harte
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d8e4c488c2
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Started iterating towards having an AY and a fully-working keyboard.
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2016-10-14 21:18:03 -04:00 |
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Thomas Harte
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8867ad647c
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Made an attempt at implementing the loopbacks necessary for diagnostics.
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2016-10-13 21:47:12 -04:00 |
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Thomas Harte
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41e7eff6c8
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Added a VIA. Now it's time to find out how poor my 6522 emulation is.
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2016-10-13 20:50:55 -04:00 |
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Thomas Harte
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c9962f6502
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Made an almost complete implementation of video. Just one row of the diagnostics cartridge seems to be off, showing thw wrong character set.
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2016-10-13 19:34:29 -04:00 |
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Thomas Harte
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0ca383ecd1
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Set every single key to be NMI, in order to be able to progress with the diagnostics cartridge.
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2016-10-13 18:56:55 -04:00 |
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Thomas Harte
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69920a4979
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Made some basic first attempt at parsing video attributes; ensured lowest byte of ROM is readable.
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2016-10-13 07:59:11 -04:00 |
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Thomas Harte
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ae48ad1bb4
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Meaningful text! Albeit with the initial 'O' of 'Oric' missing. I guess control codes and NMIs next?
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2016-10-12 22:03:54 -04:00 |
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Thomas Harte
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120b2d9e33
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Switched to using a diagnostic ROM for now, as it'll definitely boot without initially requiring either a 6522 or AY. Have some forms appearing which imply I'm not doing badly, at least up to not knowing where I'm supposed to get character pixels from.
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2016-10-12 21:52:47 -04:00 |
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Thomas Harte
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1f857c619b
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Fixed timing issues. Static box of frame achieved!
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2016-10-12 21:42:36 -04:00 |
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Thomas Harte
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304f0999cd
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Made a faulty but hopefully creditable attempt to demarcate an Oric frame.
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2016-10-12 21:29:21 -04:00 |
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Thomas Harte
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8c8a71107e
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Added just enough wiring to add something that will generate the video, one day.
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2016-10-12 19:20:23 -04:00 |
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Thomas Harte
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e6937d8003
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Ensured that the ROM gets installed. So next for some video action?
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2016-10-12 18:51:02 -04:00 |
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Thomas Harte
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f7d2e988b6
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Mildly enhanced unit test, while I'm curious.
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2016-10-11 22:22:53 -04:00 |
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Thomas Harte
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4a062c616f
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Added enough wiring to get Oric TAPs through to a completely unimplemented Oric emulation.
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2016-10-11 22:20:13 -04:00 |
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Thomas Harte
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cbc3d28217
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Ensured an exception is thrown if no machine to run a file is found. E.g. right now if you tried to open a ZX Spectrum .tap.
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2016-10-11 21:03:01 -04:00 |
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Thomas Harte
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4f78d693e9
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Reintroduced gap as a string of 1s, made an attempt to look up bit ordering. Still unclear on high/low versus low/high.
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2016-10-11 08:07:51 -04:00 |
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Thomas Harte
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70f004efbb
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This may be feeding bits in the wrong direction or calculting the wrong parity or doing something else amiss but should now be correct as to bytes.
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2016-10-11 07:57:10 -04:00 |
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Thomas Harte
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df01c78039
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It's a bit of a mess but this is probably close to appropriate for Oric TAP files.
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2016-10-11 07:39:48 -04:00 |
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Thomas Harte
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00e3ad9b04
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Added a bit more ceiling for lowpass filtering on constrained machines.
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2016-10-10 07:51:01 -04:00 |
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Thomas Harte
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95afdbe966
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Merge pull request #56 from TomHarte/NoBuffer
Removes the locking attempt at enforcing a circular audio buffer on the Mac
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2016-10-10 07:49:13 -04:00 |
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Thomas Harte
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02bfa8b8de
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This should just trust.
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2016-10-10 07:45:09 -04:00 |
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Thomas Harte
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f4b39c4435
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Added documentation and experimentally reduced packet size. We'll see.
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2016-10-10 07:42:24 -04:00 |
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Thomas Harte
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de397799ed
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Pulled away my crazy rationalisation of an audio queue into a circular buffer and decided just to trust the OS. This should reduce latency.
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2016-10-10 07:30:00 -04:00 |
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Thomas Harte
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c284818af5
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Fixed alphabetisation of project.
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2016-10-07 17:21:02 -04:00 |
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Thomas Harte
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cffdbc7c00
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Merge pull request #55 from TomHarte/AsyncQueue
Introduces an asynchronous task queue
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2016-10-07 17:20:35 -04:00 |
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Thomas Harte
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4829b896f7
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Documented the async task queue.
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2016-10-07 17:18:46 -04:00 |
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Thomas Harte
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922dd6a586
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Hit up the other two kinds of audio generator.
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2016-10-07 17:10:00 -04:00 |
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Thomas Harte
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002e923cf1
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Added shutdown logic.
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2016-10-07 17:08:29 -04:00 |
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Thomas Harte
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de658b70d7
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That's thread safety, subject to the async task queue being made to work...
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2016-10-07 17:02:36 -04:00 |
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Thomas Harte
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e53455a936
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Not having read the C++ synchronisation primitives before, this async task queue is probably incorrect. But nevertheless, let's have a quick go at employing it — in a hideously thread unsafe fashion — for audio generation. What can possibly go wrong?
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2016-10-07 16:56:34 -04:00 |
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Thomas Harte
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2d26feb073
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Added mappings for the previously-missing characters @, [ and ].
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2016-10-04 22:03:53 -04:00 |
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Thomas Harte
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ebef5ccdba
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Merge pull request #54 from TomHarte/BCDTest
Installs hoglet's BCDTest as a formal part of the test suite
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2016-10-04 07:53:39 -04:00 |
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Thomas Harte
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c097886d00
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Installed hoglet's BCDTest as a formal part of the test suite; removed some redundant semicolons in the Wolfgang Lorenz tests while I was here.
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2016-10-04 07:52:44 -04:00 |
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Thomas Harte
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f9ee6803df
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It's likely this should be set at startup too, based on latest info.
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2016-10-03 22:16:10 -04:00 |
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Thomas Harte
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f1af6ef8b6
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Merge pull request #53 from TomHarte/BCDTest
Resolves failure of the jsbeeb BCDTest.ssd
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2016-10-03 22:07:20 -04:00 |
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Thomas Harte
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fa7c64bb5d
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Eventually reached an implementation of ADC that continues to satisfy all the formalised unit tests while also satisfying the manual BCDTest, that I need to find a way to formalise. I fixed the unit tests for Swift 3 while here, and attempted to do some unrelated NIB stuff with no real success.
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2016-10-03 22:03:39 -04:00 |
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