Thomas Harte
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c3b7d24293
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It appears that the attention line is also wired to CB2. So the ball is back in the 6522's court.
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2016-07-05 19:19:46 -04:00 |
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Thomas Harte
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11fc43aa04
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Made an attempt to allow the 1540 to talk back to the Vic, and to receive interrupts. Also slightly disambiguated debugging logging.
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2016-07-05 19:12:43 -04:00 |
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Thomas Harte
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d16b79073e
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Further fleshing out: added a serial port for the serial bus.
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2016-07-05 17:27:02 -04:00 |
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Thomas Harte
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d1eea6943d
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Ensured the 1540 ROM gets installed, at least.
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2016-07-05 16:54:25 -04:00 |
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Thomas Harte
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47548dcedc
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Fixed an erroneous #import.
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2016-07-05 16:39:31 -04:00 |
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Thomas Harte
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86dabd007b
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Furthered fleshing out of the 1540. Though it doesn't yet receive a ROM so won't even attempt to do anything meaningful.
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2016-07-05 16:39:18 -04:00 |
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Thomas Harte
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a25fcc7190
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Made a first attempt at wiring back serial port input.
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2016-07-05 16:10:54 -04:00 |
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Thomas Harte
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d2cded7b59
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Attempted to separate out the concept of a serial port and a serial bus, since the bus may be shared, and to establish half duplex communications from the Vic.
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2016-07-05 14:55:20 -04:00 |
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Thomas Harte
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0d3d0fbe4d
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Created a namespace for Commodore and an empty container file for the 1540[/1] implementation.
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2016-07-05 13:28:27 -04:00 |
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Thomas Harte
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1cc83dc0a0
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Merge pull request #38 from TomHarte/VicJoystick
Vic: Adds support for a toggleable joystick-via-keyboard mode and wires in one side of a serial port
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2016-07-05 11:05:55 -04:00 |
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Thomas Harte
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97751a9d86
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Took the preliminary steps necessary to wire up a serial port.
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2016-07-05 10:55:47 -04:00 |
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Thomas Harte
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df4724eb3e
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Added a modal toggle allowing the keyboard to be switched between being a keyboard and being a joystick for the Vic.
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2016-07-04 22:01:07 -04:00 |
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Thomas Harte
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a49f2b41cc
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Added C++ side of things. I think.
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2016-07-04 21:48:25 -04:00 |
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Thomas Harte
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fef316932f
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Moved opening bracket appropriately.
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2016-07-04 21:14:28 -04:00 |
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Thomas Harte
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8db44eed3e
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Added a default implementation of Speaker::skip_samples.
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2016-07-04 20:48:27 -04:00 |
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Thomas Harte
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bfa237397d
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Settled on assigning to nullptr as the appropriate style for emptying shared_ptrs; fixed the Vic properly to release its output resources.
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2016-07-04 20:34:11 -04:00 |
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Thomas Harte
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6851a1b63b
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Merge pull request #37 from TomHarte/C++Style
Eliminates plain pointer passes for object types
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2016-07-04 19:36:42 -04:00 |
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Thomas Harte
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88964ceac0
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Eliminated plain pointer passing for object types.
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2016-07-04 19:33:55 -04:00 |
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Thomas Harte
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6dbf16210b
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Switched protocol to meaningful name and corrected its omission from the repository.
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2016-07-04 19:19:07 -04:00 |
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Thomas Harte
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82b0bc9b58
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Discovered that this is another meaningful usage of using.
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2016-07-04 19:10:10 -04:00 |
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Thomas Harte
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df533874f0
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Merge pull request #36 from TomHarte/Better6522
Added communication of the static level 6522 control line outputs and slightly simplified the Vic's memory bus
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2016-07-02 19:07:35 -04:00 |
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Thomas Harte
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7e5b631e30
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Cut some dead code.
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2016-07-01 19:02:29 -04:00 |
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Thomas Harte
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7fa010a463
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Attempted to add support for the most basic of control line output, and slightly to optimise the Vic.
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2016-07-01 19:01:22 -04:00 |
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Thomas Harte
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2bc87ee095
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Merge branch 'master' of github.com:TomHarte/CLK
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2016-07-01 16:28:18 -04:00 |
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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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