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Author SHA1 Message Date
Thomas Harte
8819711bc8 Threw in the second VIA as a currently clearly incorrect thing. 2016-07-05 22:22:09 -04:00
Thomas Harte
602e7f01c7 Control lines seem to have evolved to pure push. 2016-07-05 21:15:29 -04:00
Thomas Harte
93c2bb80a2 Improved a comment, added independent C[A/B]2 input mode. 2016-07-05 21:11:51 -04:00
Thomas Harte
6c4fa4ec5d Improved commenting and initial state communication. 2016-07-05 20:57:31 -04:00
Thomas Harte
1e6d90de17 Made an attempt properly to deal with initial bus state. 2016-07-05 20:52:33 -04:00
Thomas Harte
1bb109a23b Made a quick attempt at basic C[A/B]2 interrupts. 2016-07-05 20:39:15 -04:00
Thomas Harte
c3b7d24293 It appears that the attention line is also wired to CB2. So the ball is back in the 6522's court. 2016-07-05 19:19:46 -04:00
Thomas Harte
11fc43aa04 Made an attempt to allow the 1540 to talk back to the Vic, and to receive interrupts. Also slightly disambiguated debugging logging. 2016-07-05 19:12:43 -04:00
Thomas Harte
d16b79073e Further fleshing out: added a serial port for the serial bus. 2016-07-05 17:27:02 -04:00
Thomas Harte
d1eea6943d Ensured the 1540 ROM gets installed, at least. 2016-07-05 16:54:25 -04:00
Thomas Harte
47548dcedc Fixed an erroneous #import. 2016-07-05 16:39:31 -04:00
Thomas Harte
86dabd007b Furthered fleshing out of the 1540. Though it doesn't yet receive a ROM so won't even attempt to do anything meaningful. 2016-07-05 16:39:18 -04:00
Thomas Harte
a25fcc7190 Made a first attempt at wiring back serial port input. 2016-07-05 16:10:54 -04:00
Thomas Harte
d2cded7b59 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. 2016-07-05 14:55:20 -04:00
Thomas Harte
0d3d0fbe4d Created a namespace for Commodore and an empty container file for the 1540[/1] implementation. 2016-07-05 13:28:27 -04:00
Thomas Harte
1cc83dc0a0 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
 2016-07-05 11:05:55 -04:00
Thomas Harte
97751a9d86 Took the preliminary steps necessary to wire up a serial port. 2016-07-05 10:55:47 -04:00
Thomas Harte
df4724eb3e Added a modal toggle allowing the keyboard to be switched between being a keyboard and being a joystick for the Vic. 2016-07-04 22:01:07 -04:00
Thomas Harte
a49f2b41cc Added C++ side of things. I think. 2016-07-04 21:48:25 -04:00
Thomas Harte
fef316932f Moved opening bracket appropriately. 2016-07-04 21:14:28 -04:00
Thomas Harte
8db44eed3e Added a default implementation of Speaker::skip_samples. 2016-07-04 20:48:27 -04:00
Thomas Harte
bfa237397d Settled on assigning to nullptr as the appropriate style for emptying shared_ptrs; fixed the Vic properly to release its output resources. 2016-07-04 20:34:11 -04:00
Thomas Harte
6851a1b63b Merge pull request #37 from TomHarte/C++Style 
Eliminates plain pointer passes for object types
 2016-07-04 19:36:42 -04:00
Thomas Harte
88964ceac0 Eliminated plain pointer passing for object types. 2016-07-04 19:33:55 -04:00
Thomas Harte
6dbf16210b Switched protocol to meaningful name and corrected its omission from the repository. 2016-07-04 19:19:07 -04:00
Thomas Harte
82b0bc9b58 Discovered that this is another meaningful usage of using. 2016-07-04 19:10:10 -04:00
Thomas Harte
df533874f0 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
 2016-07-02 19:07:35 -04:00
Thomas Harte
7e5b631e30 Cut some dead code. 2016-07-01 19:02:29 -04:00
Thomas Harte
7fa010a463 Attempted to add support for the most basic of control line output, and slightly to optimise the Vic. 2016-07-01 19:01:22 -04:00
Thomas Harte
2bc87ee095 Merge branch 'master' of github.com:TomHarte/CLK 2016-07-01 16:28:18 -04:00
Thomas Harte
eefd0c17b6 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. 2016-07-01 16:27:45 -04:00
Thomas Harte
ed8f4d0476 Added some minor additional bits of documentation. 2016-06-30 08:46:29 -04:00
Thomas Harte
4ac619f569 glClientWaitSync appears to be a busy wait, at least on my machine. But why wait indefinitely anyway? 2016-06-29 21:32:47 -04:00
Thomas Harte
5c85366de2 Made an attempt to prevent spurious border colour pushes. 2016-06-29 21:22:26 -04:00
Thomas Harte
ff53accca0 Demonstrated that issue is coloured borders, made a guess as to buffer exhaustion, upped limits as a temporary fix. 2016-06-29 21:16:34 -04:00
Thomas Harte
7f10616be9 Merge pull request #35 from TomHarte/BRKDiversion 
Adds a small amount of test coverage to the functioning of 6502 interrupts
 2016-06-29 21:03:19 -04:00
Thomas Harte
41809d4597 Made an attempt at NMI usurption of IRQ/BRK. 2016-06-29 20:59:45 -04:00
Thomas Harte
c02226bc41 Ensured stack pointer goes the right way upon reset. 2016-06-29 20:42:26 -04:00
Thomas Harte
b322baff2f Added CLI/SEI pair test. 2016-06-29 19:42:39 -04:00
Thomas Harte
db7c6430b5 Fixed Klaus Dormann termination condition. 2016-06-29 19:16:34 -04:00
Thomas Harte
0182b0483a 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. 2016-06-29 19:13:24 -04:00
Thomas Harte
bff53775ad Update README.md 
Corrected typo and resulting logical error; it's definitely 227.5 subcarrier cycles per line, NTSC fans!
 2016-06-29 11:12:03 -04:00
Thomas Harte
6419d9c485 Added a single IRQ test case, discovering that I'm two cycles short. Whoops! 2016-06-28 21:29:43 -04:00
Thomas Harte
6e698e908e Made an attempt to reduce cost of the most-likely path. 2016-06-28 18:46:00 -04:00
Thomas Harte
b0dae01e8f Merge pull request #34 from TomHarte/NTSCLineCounter 
Ensures the line counter increments late on NTSC.
 2016-06-27 22:14:29 -04:00
Thomas Harte
de5d2f1113 Ensured the line counter increments late on NTSC. 2016-06-27 22:12:55 -04:00
Thomas Harte
24280844cb Merge pull request #33 from TomHarte/NMI 
Made an attempt to implement NMI
 2016-06-27 22:06:26 -04:00
Thomas Harte
574aa32b72 Made an attempt to implement NMI. Some work to do on the B flag though, I think. 2016-06-27 22:01:48 -04:00
Thomas Harte
15acec4889 Merge pull request #32 from TomHarte/FastVICLoading 
Adds 'fast' tape loading for the Vic-20
 2016-06-27 21:43:38 -04:00
Thomas Harte
6027cba95f Factored out the stuff of pushing a fast-loading option onwards and storing it within the user defaults. 2016-06-27 21:38:14 -04:00