Thomas Harte
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7bc5a43c36
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Fixed type warning.
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2016-02-12 22:30:22 -05:00 |
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Thomas Harte
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0527888b15
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Endeavoured to ensure safe shutdown.
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2016-02-12 22:30:06 -05:00 |
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Thomas Harte
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0a09762be6
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Fixed output precision compared to the new approach of trusting the flywheel for position, and eliminated fixed-Acorn constants. Also re-enabled the faded previous frame, at least temporarily.
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2016-02-12 19:53:49 -05:00 |
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Thomas Harte
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341fafd3c5
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Adjusted visible area.
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2016-02-12 19:52:04 -05:00 |
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Thomas Harte
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1d20a29d97
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Made an attempt to switch to the flywheels for both vertical and horizontal sync, and to act more appropriately for out-of-bounds sync requests. Lots of tweaking to do, I fear.
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2016-02-11 23:43:08 -05:00 |
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Thomas Harte
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c81891ec43
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Minor tidying and at least acknowledged the new flywheel encapsulation.
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2016-02-11 22:13:38 -05:00 |
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Thomas Harte
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86017de1fb
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Fixed field timing. It's 312.5 lines now, closer to the PAL standard.
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2016-02-11 22:12:37 -05:00 |
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Thomas Harte
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a6574d1f96
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Made an attempt to factor out and more clearly to document my implementation of flywheel synchronisation.
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2016-02-11 22:12:12 -05:00 |
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Thomas Harte
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c66409421e
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Switched to generating an interlaced output, that apparently being correct. Enabled a poor man's version of phosphor persistence to smooth things out a little. It's not completely unconvincing.
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2016-02-10 23:11:25 -05:00 |
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Thomas Harte
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b5bcadb8d3
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Reinstated clipped CRT output, with more appropriate ownership of the decision.
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2016-02-07 22:18:55 -05:00 |
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Thomas Harte
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3a689d14cc
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Added padding of supplied data to correct for any potential rounding errors when rendering.
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2016-02-07 20:29:32 -05:00 |
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Thomas Harte
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3a9ea66f8b
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Filled in shader class.
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2016-02-07 19:21:22 -05:00 |
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Thomas Harte
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4d0a218a57
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Certainly at least seriously considering a separate holder for the "compile a shader" logic. Otherwise taking steps back towards PAL/NTSC decoding.
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2016-02-07 17:32:38 -05:00 |
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Thomas Harte
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602327cd9d
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Sketched out a quick class for rendering to texture.
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2016-02-07 15:42:02 -05:00 |
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Thomas Harte
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2e3ba6bbb2
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Removed some logging.
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2016-02-07 14:42:40 -05:00 |
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thomasharte
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2cb12a7513
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Allowed overly aggressive allocations to be cleared up after the fact.
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2016-02-06 16:07:23 -05:00 |
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Thomas Harte
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d3d505b7bc
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That's one header file less.
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2016-02-05 23:05:58 -05:00 |
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Thomas Harte
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bf348ccb96
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Fixed clearing logic.
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2016-02-05 22:47:12 -05:00 |
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Thomas Harte
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6ab425deda
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There is now a semi-reasonable amount of screen output again.
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2016-02-05 21:35:39 -05:00 |
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Thomas Harte
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80e7e5e602
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Updated to return old behaviour of drawing only upon changes.
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2016-02-04 23:05:47 -05:00 |
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Thomas Harte
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8bc3f8046d
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This endeavours to move everything into the CRT class except the final version of shader building.
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2016-02-04 22:57:46 -05:00 |
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Thomas Harte
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e0d51408e4
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Onward with carrying this through to the bitter end, this at least results in all the appropriate knowledge and call-ins occuring at the CRT.
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2016-02-04 22:28:50 -05:00 |
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Thomas Harte
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09e11469c3
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Simplified further: eliminated delegate. Which means I can go frame-free internally to the CRT at some point, if I want.
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2016-02-03 19:11:18 -05:00 |
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Thomas Harte
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19393390ac
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It's broken now, but this is what I now intend the full public interface of the CRT to be.
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2016-02-02 22:41:33 -05:00 |
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Thomas Harte
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4554abb755
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Made an attempt to be more rigorous in display generation on the Electron, to make sure I deal with mid-line changes to/from blank line mode. Even if it turns out that they generate pixels.
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2016-01-29 21:14:13 -05:00 |
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Thomas Harte
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adc6838ba0
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Continued slow migration of shader ownership to CRT. Attempted to start debugging the tape interface.
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2016-01-27 21:35:57 -05:00 |
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Thomas Harte
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96c946b8af
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Made a very basic attempt to emulate tape output.
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2016-01-24 18:20:55 -05:00 |
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Thomas Harte
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1819e7b9cc
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Started sketching out an appropriate interface to transfer responsibility for shaders to the CRT.
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2016-01-23 19:06:32 -05:00 |
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Thomas Harte
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ace331d4b4
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Got a bit higher level in CRT timing specification. Which internally allows it now to infer the colour clock frequency. Which will be helpful momentarily.
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2016-01-23 18:53:20 -05:00 |
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Thomas Harte
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a9e26d7808
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Introduced a scan's delay, as intended.
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2016-01-23 17:49:25 -05:00 |
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Thomas Harte
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cd97617a8a
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Bumped the speaker up to the full namespace, since Tape lives there to avoid delegation complexity. Turned the CRT into something the Electron statically owns, fixing a memory leak by simplifying.
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2016-01-23 17:45:06 -05:00 |
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Thomas Harte
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20cab08f8f
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Added a two-slot buffer of scans and a comon dispatch mechanism.
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2016-01-23 17:44:34 -05:00 |
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Thomas Harte
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f4cd0aa38e
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Ensured that all relevant information is given to the tape class. Made an attempt not to write to a screen output buffer if we don't have one. Added some debug printing.
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2016-01-23 13:09:56 -05:00 |
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Thomas Harte
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949c33774a
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Fixed failure to set a delegate, slowed tape speed if operating in RAM.
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2016-01-23 11:42:14 -05:00 |
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Thomas Harte
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43a7d1b7ae
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It'll be helpful to be able to isolate the tape interface when I'm faking a fast load. So factored out.
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2016-01-23 00:14:44 -05:00 |
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Thomas Harte
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0efe4b312c
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Disabled my various bits of rate interchange debugging; improved test for when to call update_display due to a RAM write.
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2016-01-21 22:16:52 -05:00 |
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Thomas Harte
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82cb1c365c
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Further simplified inner loops.
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2016-01-21 21:35:04 -05:00 |
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Thomas Harte
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34640cec93
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Started trying to move some logic out of the inner loop.
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2016-01-21 21:28:09 -05:00 |
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Thomas Harte
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48ddd3c497
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Set about documenting the CRT; while doing so decided to add an optional clock divider for input; having done so decided to try to exploit it with the Electron.
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2016-01-21 21:17:47 -05:00 |
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Thomas Harte
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baef1ccd57
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Made the constructor protected, to emphasise that this class isn't for instantiation. Also added extra comments aplenty.
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2016-01-21 08:39:34 -05:00 |
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Thomas Harte
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9fa35dd559
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Killed some whitespace lines.
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2016-01-20 21:58:34 -05:00 |
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Thomas Harte
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de7218cdf0
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Added a lot of commenting to the CPU6502 definition, simplifying its construction. Added missing nullability modifier to CSElectron. Fixed bad-habit Objective-C style naming on the Electron's Interrupt enum.
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2016-01-20 21:55:38 -05:00 |
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Thomas Harte
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4c16d34063
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Moved set_tape so that the inline definition of get_next_tape_pulse is visible to it. Also eliminated some dead typedefs.
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2016-01-20 08:27:25 -05:00 |
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Thomas Harte
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f727582911
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Started making first moves towards stripping CSCathodeRayView of its responsibilities. If that can be merely an OpenGL view that presents things, things will be a lot more portable.
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2016-01-20 08:21:33 -05:00 |
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Thomas Harte
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280a2292ff
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Shushed.
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2016-01-19 23:33:15 -05:00 |
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Thomas Harte
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9036cf3b7c
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Thus did the first UEF load.
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2016-01-19 23:03:27 -05:00 |
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Thomas Harte
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e65cd4cf06
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Some data is marginally reaching the CPU from the tape.
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2016-01-19 22:05:34 -05:00 |
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Thomas Harte
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832797182f
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Update TapeUEF.cpp
Corrected chunk for which _tone_length is used, definition of a carrier tone chunk.
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2016-01-19 18:59:10 -05:00 |
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Thomas Harte
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956b90e203
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Attempted further to improve latency; added view adjustment for non-4:3 output aspect ratios. The 4:3 is currently hardcoded, so further work will be required.
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2016-01-18 23:55:52 -05:00 |
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Thomas Harte
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90eef1df74
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Tightened to provide lower latency audio, hopefully.
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2016-01-18 20:01:06 -06:00 |
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