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Author SHA1 Message Date
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
Thomas Harte
9134e4de1f Added a partially-wired options menu for the VIC. 2016-06-27 18:49:53 -04:00
Thomas Harte
466ddff777 Merge pull request #31 from TomHarte/VicTAP 
Adds basic TAP support for the Vic-20
 2016-06-26 22:02:08 -04:00
Thomas Harte
e3e6bbb785 Removed the colon again, until I can educate myself a little further. 2016-06-26 21:38:03 -04:00
Thomas Harte
69d78dfdb3 Removed logging. 2016-06-26 21:36:26 -04:00
Thomas Harte
1439ca0580 Added a quick automatic issuing of the 'LOAD' command. 2016-06-26 21:34:37 -04:00
Thomas Harte
843d1fdca7 Added some extra logging while trying to determine what's going on; added interrupt clearing for the control lines. 2016-06-26 21:30:06 -04:00
Thomas Harte
2a2c3da5d4 Added hardwired tape present bit. 2016-06-26 19:50:49 -04:00
Thomas Harte
c306d705e1 Made a quick first attempt at all-the-way-through tape wiring for the Vic. 2016-06-26 19:43:09 -04:00
Thomas Harte
37ba42a52f Factored out the stuff of playing a tape, started basic sketch of the Vic-related classes. 2016-06-26 19:03:57 -04:00
Thomas Harte
066db59773 Made a hasty attempt to implement CA1 and CB1 input as a potential source of interrupts. 2016-06-26 16:32:27 -04:00
Thomas Harte
d5e50f5ea0 Got a bit more explicit about how ports are identified on the 6522. 2016-06-26 12:30:01 -04:00
Thomas Harte
8d9eb30d82 So it sounds like the user-port VIA might actually be connected to NMI? 2016-06-25 16:31:35 -04:00
Thomas Harte
8741be5c84 Made the slightest possible effort to get TAPs opened and passed to the VIC. 2016-06-25 16:24:52 -04:00