Thomas Harte
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eefd0c17b6
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Actually, I guess that to fulfil the contract I can't silently decide not to draw if I'm being told I definitely need to draw.
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2016-07-01 16:27:45 -04:00 |
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Thomas Harte
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ed8f4d0476
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Added some minor additional bits of documentation.
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2016-06-30 08:46:29 -04:00 |
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Thomas Harte
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4ac619f569
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glClientWaitSync appears to be a busy wait, at least on my machine. But why wait indefinitely anyway?
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2016-06-29 21:32:47 -04:00 |
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Thomas Harte
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5c85366de2
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Made an attempt to prevent spurious border colour pushes.
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2016-06-29 21:22:26 -04:00 |
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Thomas Harte
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ff53accca0
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Demonstrated that issue is coloured borders, made a guess as to buffer exhaustion, upped limits as a temporary fix.
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2016-06-29 21:16:34 -04:00 |
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Thomas Harte
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7f10616be9
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Merge pull request #35 from TomHarte/BRKDiversion
Adds a small amount of test coverage to the functioning of 6502 interrupts
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2016-06-29 21:03:19 -04:00 |
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Thomas Harte
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41809d4597
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Made an attempt at NMI usurption of IRQ/BRK.
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2016-06-29 20:59:45 -04:00 |
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Thomas Harte
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c02226bc41
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Ensured stack pointer goes the right way upon reset.
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2016-06-29 20:42:26 -04:00 |
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Thomas Harte
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b322baff2f
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Added CLI/SEI pair test.
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2016-06-29 19:42:39 -04:00 |
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Thomas Harte
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db7c6430b5
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Fixed Klaus Dormann termination condition.
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2016-06-29 19:16:34 -04:00 |
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Thomas Harte
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0182b0483a
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Added a 'power on' flag that is set automatically at construction but can be declined. Saves all that stuff of every machine having to set and then unset the RST line, and fixes an Electron bug related to that.
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2016-06-29 19:13:24 -04:00 |
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Thomas Harte
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bff53775ad
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Update README.md
Corrected typo and resulting logical error; it's definitely 227.5 subcarrier cycles per line, NTSC fans!
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2016-06-29 11:12:03 -04:00 |
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Thomas Harte
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6419d9c485
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Added a single IRQ test case, discovering that I'm two cycles short. Whoops!
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2016-06-28 21:29:43 -04:00 |
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Thomas Harte
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6e698e908e
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Made an attempt to reduce cost of the most-likely path.
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2016-06-28 18:46:00 -04:00 |
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Thomas Harte
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b0dae01e8f
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Merge pull request #34 from TomHarte/NTSCLineCounter
Ensures the line counter increments late on NTSC.
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2016-06-27 22:14:29 -04:00 |
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Thomas Harte
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de5d2f1113
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Ensured the line counter increments late on NTSC.
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2016-06-27 22:12:55 -04:00 |
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Thomas Harte
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24280844cb
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Merge pull request #33 from TomHarte/NMI
Made an attempt to implement NMI
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2016-06-27 22:06:26 -04:00 |
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Thomas Harte
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574aa32b72
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Made an attempt to implement NMI. Some work to do on the B flag though, I think.
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2016-06-27 22:01:48 -04:00 |
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Thomas Harte
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15acec4889
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Merge pull request #32 from TomHarte/FastVICLoading
Adds 'fast' tape loading for the Vic-20
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2016-06-27 21:43:38 -04:00 |
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Thomas Harte
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6027cba95f
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Factored out the stuff of pushing a fast-loading option onwards and storing it within the user defaults.
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2016-06-27 21:38:14 -04:00 |
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Thomas Harte
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9134e4de1f
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Added a partially-wired options menu for the VIC.
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2016-06-27 18:49:53 -04:00 |
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Thomas Harte
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466ddff777
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Merge pull request #31 from TomHarte/VicTAP
Adds basic TAP support for the Vic-20
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2016-06-26 22:02:08 -04:00 |
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Thomas Harte
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e3e6bbb785
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Removed the colon again, until I can educate myself a little further.
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2016-06-26 21:38:03 -04:00 |
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Thomas Harte
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69d78dfdb3
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Removed logging.
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2016-06-26 21:36:26 -04:00 |
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Thomas Harte
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1439ca0580
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Added a quick automatic issuing of the 'LOAD' command.
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2016-06-26 21:34:37 -04:00 |
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Thomas Harte
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843d1fdca7
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Added some extra logging while trying to determine what's going on; added interrupt clearing for the control lines.
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2016-06-26 21:30:06 -04:00 |
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Thomas Harte
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2a2c3da5d4
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Added hardwired tape present bit.
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2016-06-26 19:50:49 -04:00 |
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Thomas Harte
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c306d705e1
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Made a quick first attempt at all-the-way-through tape wiring for the Vic.
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2016-06-26 19:43:09 -04:00 |
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Thomas Harte
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37ba42a52f
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Factored out the stuff of playing a tape, started basic sketch of the Vic-related classes.
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2016-06-26 19:03:57 -04:00 |
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Thomas Harte
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066db59773
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Made a hasty attempt to implement CA1 and CB1 input as a potential source of interrupts.
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2016-06-26 16:32:27 -04:00 |
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Thomas Harte
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d5e50f5ea0
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Got a bit more explicit about how ports are identified on the 6522.
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2016-06-26 12:30:01 -04:00 |
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Thomas Harte
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8d9eb30d82
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So it sounds like the user-port VIA might actually be connected to NMI?
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2016-06-25 16:31:35 -04:00 |
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Thomas Harte
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8741be5c84
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Made the slightest possible effort to get TAPs opened and passed to the VIC.
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2016-06-25 16:24:52 -04:00 |
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Thomas Harte
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ee19417ded
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Made an attempt quickly to implement parsing of the Commodore .TAP file format.
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2016-06-25 16:09:32 -04:00 |
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Thomas Harte
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e9bf9034e3
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Merge pull request #30 from TomHarte/PointerIdioms
Adds minor reference and pointer style improvements
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2016-06-23 21:10:45 -04:00 |
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Thomas Harte
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b8728285e7
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An overridden getter looks more like this in Swift.
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2016-06-23 21:09:34 -04:00 |
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Thomas Harte
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2bd71e7e9b
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.reset is the more normal way to reassign a unique_ptr.
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2016-06-23 20:52:44 -04:00 |
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Thomas Harte
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3a4e844a07
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Merge pull request #29 from TomHarte/6560Improvements
Improved 6560 emulation and the Vic-20's bus
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2016-06-23 20:45:10 -04:00 |
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Thomas Harte
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3c9183d034
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Improved some commenting.
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2016-06-23 20:43:29 -04:00 |
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Thomas Harte
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097a9caa95
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Delegates are all nullable, naturally.
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2016-06-23 09:37:49 -04:00 |
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Thomas Harte
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359ffb9aa7
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Made some attempt to implement what appears to be the proper address generation logic.
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2016-06-23 07:32:24 -04:00 |
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Thomas Harte
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e05003c176
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Discovered that the VIC and the VIAs can be simultaneously selected. Adjusted bus appropriately.
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2016-06-22 17:34:42 -04:00 |
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Thomas Harte
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b753690d5e
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Made an attempt to adjust the 6560 to a model compatible with that advocated by the available documentation. Exact decision timing may need further work.
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2016-06-21 22:12:01 -04:00 |
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Thomas Harte
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106e56600d
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Added a DC offset for 6560 volume level, albeit one plucked from thin air.
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2016-06-21 07:31:14 -04:00 |
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Thomas Harte
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2d13802625
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Merge pull request #28 from TomHarte/AtariClockRateAdjustment
Completes the loop on machines changing clock rate dynamically
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2016-06-20 22:20:41 -04:00 |
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Thomas Harte
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454e98302d
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Slight rearrangement plus a setting of the CSMachine delegate corrects audio after a clock rate change.
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2016-06-20 22:18:41 -04:00 |
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Thomas Harte
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31b26b8118
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Made a first attempt to implement the full top-to-bottom change of clock rates, giving the Atari the ability to change rate when it switches to PAL mode, as it should always have been.
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2016-06-20 21:47:27 -04:00 |
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Thomas Harte
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3591479571
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Fixed mismatch between initial tick box states and communicated switches; ensured they're visible upon launching a game.
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2016-06-20 21:31:07 -04:00 |
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Thomas Harte
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2f00b841d8
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Merge pull request #27 from TomHarte/Further6532Tests
Increases unit testing of the 6532
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2016-06-20 21:07:56 -04:00 |
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Thomas Harte
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25a5455d33
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Completed bridge interface.
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2016-06-20 21:07:01 -04:00 |
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