Thomas Harte
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41f69405d8
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Don't decrement timer 1 from the system clock when in PB6 mode.
TODO: rest of PB6 mode.
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2020-09-21 22:39:49 -04:00 |
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Thomas Harte
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8e242eea54
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Ensures timer-linked PB7 output is actually output.
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2020-09-20 15:03:26 -04:00 |
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Thomas Harte
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703065a0a5
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Takes a run at timer-linked PB7 output behaviour.
Seemingly sufficiently to pass the VICE test (which I've transcribed), though with some guesswork.
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2020-09-20 14:51:59 -04:00 |
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Thomas Harte
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e807a462a1
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My new reading is that only a write to the counter should affect the interrupt flag.
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2020-09-17 21:31:29 -04:00 |
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Thomas Harte
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18790a90ae
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Ensures timer 2 doesn't use timed behaviour when in pulse mode.
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2020-09-17 21:09:32 -04:00 |
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Thomas Harte
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21afc70261
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Adds formal data-sheet names.
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2020-09-17 19:00:46 -04:00 |
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Thomas Harte
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25996ce180
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Further doubles down on construction syntax for type conversions.
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2020-05-09 23:00:39 -04:00 |
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Thomas Harte
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31c6faf3c8
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Adds a bunch of consts.
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2020-05-09 21:23:52 -04:00 |
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Thomas Harte
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c1bae49a92
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Standardises on read and write for bus accesses.
Logic being: name these things for the bus action they model, not the effect they have.
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2020-01-05 13:40:02 -05:00 |
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Thomas Harte
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1c154131f9
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Expands size of storage in Cycles/HalfCycles; adjusts widely to compensate.
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2019-10-29 22:36:29 -04:00 |
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Thomas Harte
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a43ada82b2
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Experiments with a JustInTimeActor in the Master System.
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2019-07-29 15:38:41 -04:00 |
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Thomas Harte
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ee8d853fcb
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Ensures you can't get a phase 2 for free with run_for(0).
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2019-07-17 14:20:27 -04:00 |
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Thomas Harte
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245e27c893
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Solidifies belief that the shift register bit is cleared on read/write.
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2019-07-08 16:45:15 -04:00 |
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Thomas Harte
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28de629c08
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Fixes the 6522 sufficiently to fix keyboard input.
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2019-07-08 15:29:34 -04:00 |
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Thomas Harte
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210bcaa56d
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Introduces an initial shift unit test, and makes it pass.
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2019-07-07 22:13:36 -04:00 |
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Thomas Harte
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9230969f43
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Corrects enough of the 6522 and Keyboard to get an initial command seemingly working.
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2019-06-10 09:28:27 -04:00 |
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Thomas Harte
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0e16c67805
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Improves shift register connection, towards having the keyboard function properly.
It now seems not to receive a command terminator, but is at least getting a command.
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2019-06-08 23:04:55 -04:00 |
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Thomas Harte
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abe55fe950
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Adds Timer 1 toggling of PB7.
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2019-06-03 15:39:20 -04:00 |
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Thomas Harte
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723137c0d4
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With some time additions to the 6522, starts wiring in Macintosh audio.
The audio buffer is also the disk motor buffer, so this is preparatory to further disk work.
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2019-06-01 14:39:40 -04:00 |
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Thomas Harte
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8293b18278
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Adds a TODO on what I think might be an incorrect implementation?
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2019-05-08 15:06:40 -04:00 |
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Thomas Harte
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2ba0364850
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Adds the shift register interrupt.
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2019-05-08 15:02:07 -04:00 |
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Thomas Harte
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2e7bc0b98a
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Attempts the shift register.
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2019-05-08 14:54:40 -04:00 |
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Thomas Harte
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8278809383
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Attempts to get more rigorous on communicating outward control line changes.
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2019-05-08 13:33:22 -04:00 |
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Thomas Harte
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4367459cf2
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Takes a first go at handshake and pulse modes.
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2019-05-08 12:48:29 -04:00 |
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Thomas Harte
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254132b83d
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Eliminates 6522Base in pursuit of working handshake modes.
Specifically: this means that the places from which the BusHandler may be called are more numerous.
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2019-05-08 12:35:17 -04:00 |
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Thomas Harte
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7e6d4f5a3e
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Adds emulation of the real-time clock.
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2019-05-08 00:12:19 -04:00 |
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Thomas Harte
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d97348dd38
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Eliminates dangling uses of printf.
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2019-03-02 18:07:05 -05:00 |
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Thomas Harte
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0b771ce61a
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Removes all instances of the copyright symbol.
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2018-05-13 15:19:52 -04:00 |
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Thomas Harte
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bc464e247f
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The 1540 and, by extension, the Vic-20 are now activity sources.
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2018-05-11 22:24:33 -04:00 |
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Thomas Harte
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edb9fd301c
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Begins this project's conversion to functional-style casts.
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2017-10-03 22:04:15 -04:00 |
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Thomas Harte
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7fd6699e0b
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Corrects comment indentation.
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2017-09-05 21:15:15 -04:00 |
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Thomas Harte
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24b3faa427
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Deconstitutes the 6522 into component parts, templated and non-templated.
Adjusts the Oric, Vic-20 and C-1540 accordingly, albeit with the quickest possible solutions.
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2017-09-04 14:26:04 -04:00 |
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