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Commit Graph

6138 Commits

Author SHA1 Message Date
Thomas Harte
3600d2d193 Starts switching towards a byte-oriented bus. 2020-02-13 21:14:13 -05:00
Thomas Harte
5f661adb7f
Merge pull request #750 from TomHarte/CatchupCap
Avoids trying to paper over huge gaps in running time.
2020-02-12 23:57:01 -05:00
Thomas Harte
109d072cb6 Avoids trying to paper over huge gaps in running time. Also attempts to improve SDL shutdown reliability. 2020-02-12 23:47:04 -05:00
Thomas Harte
0c1c5a0ab8
Merge pull request #749 from TomHarte/DiskIndicator
Moves ownership of drives inside Disk::Controller.
2020-02-12 23:37:32 -05:00
Thomas Harte
e01c66fd65 Implements multidrive support. 2020-02-12 23:32:01 -05:00
Thomas Harte
9f32fa7f5b Resolves potential random RAM writes at startup. 2020-02-12 23:31:48 -05:00
Thomas Harte
91a3d42919 Ensures no DMA clocking whatsoever when asleep. 2020-02-12 23:23:42 -05:00
Thomas Harte
3cb6bbf771 Uses the union of all drive statuses to determine Drive::Controller's preferred clocking. 2020-02-12 22:28:42 -05:00
Thomas Harte
452e281009 Ensures what is currently the only drive is selected. 2020-02-11 22:13:13 -05:00
Thomas Harte
3da948db52 Eliminates local drive. They're not local any more. 2020-02-11 22:12:54 -05:00
Thomas Harte
0c2f77305f Eliminates dangling printf. 2020-02-11 22:12:30 -05:00
Thomas Harte
05bcd73f82 Attempts to pull drive ownership into DiskController.
For the sake of being more intelligent as to drive clocking, hopefully. And, eventually, to support multiple drive selection.
2020-02-11 21:59:13 -05:00
Thomas Harte
654f5b0478
Merge pull request #748 from TomHarte/SDLLatency
Introduces sync matching to the SDL version.
2020-02-10 23:38:24 -05:00
Thomas Harte
886d923e30 Attempts to permit fixed speed multiplication. 2020-02-10 23:30:32 -05:00
Thomas Harte
6624cb7a78 Corrects set_ram macro to act more like a function. 2020-02-10 23:19:47 -05:00
Thomas Harte
6147134423 Introduces frame locking for SDL. 2020-02-10 23:07:09 -05:00
Thomas Harte
bf6bc7c684 Adds speed control into the SDL build.
If I can just figure out how to manipulate OpenGL from the timer thread to SDL's satisfaction, this'll be as good as it probably gets via SDL.
2020-02-09 22:27:02 -05:00
Thomas Harte
0b0a7e241b Factors out the stuff of time warping. 2020-02-09 22:11:06 -05:00
Thomas Harte
705d14259c Experimentally switches to a 'high-resolution' clock for SDL. 2020-02-09 21:44:55 -05:00
Thomas Harte
f1cd35fa16
Merge pull request #746 from TomHarte/LatencyChop
Reduces latency in macOS, improves concurrency
2020-02-09 21:07:40 -05:00
Thomas Harte
6bda4034c6 Ensures no input data is dropped when changing output rates.
I think this 'completely' deals with the problem. At least until someone wants dynamic output buffer sizes or something like that. We'll see.
2020-02-09 19:14:25 -05:00
Thomas Harte
b04daca98e Picks a safer default construction. 2020-02-09 19:13:21 -05:00
Thomas Harte
85dcdbfe9e Adopts a log prefix for the Master System. 2020-02-09 19:12:44 -05:00
Thomas Harte
24340d1d4f Resolves fetch errors. 2020-02-09 17:04:49 -05:00
Thomas Harte
6ae42d07a7 Retains existing output when switching filter coefficients.
This eliminates an issue with dynamic rate matching and throwing away the beginnings of buffers.
2020-02-09 16:42:07 -05:00
Thomas Harte
2ea1e059a8 Softens swings in emulated machine speed. 2020-02-09 16:34:13 -05:00
Thomas Harte
b5d6126a2d Avoids unnecessary filter recalculation. 2020-02-09 16:32:32 -05:00
Thomas Harte
dac217c98c Defers starting the macOS audio queue, and attempts to restart it upon packet loss.
Hopefully forever to vanish permanent audio loss?
2020-02-08 22:08:27 -05:00
Thomas Harte
c26c8992ae Reintroduces joystick support; eliminates CSBestEffortUpdater. 2020-02-08 21:27:04 -05:00
Thomas Harte
b76a5870b3 Moves drawing into the next timer tick after retrace if sync locked.
... which should mean it occurs within 1/600th of a second of announced retrace, which I assume always will be less than the retrace period. So: does the frame buffer update during retrace.

This should completely eliminate tearing for machines that can be synced to the native output rate.
2020-02-08 18:07:13 -05:00
Thomas Harte
7c0f3bb237 Gets to slightly adjusting execution speed and matching up respective vertical syncs.
I probably still need to move the ->draw inline.
2020-02-08 18:01:48 -05:00
Thomas Harte
f615d096ca Switch to obtaining refresh periods ephemerally.
Which simplifies the necessary delegate protocol.
2020-02-08 15:03:18 -05:00
Thomas Harte
09132306e4 Removes two temporary debugging steps. 2020-02-06 23:35:23 -05:00
Thomas Harte
f95b07efea Continues edging towards raster racing and/or time warping. 2020-02-06 23:35:03 -05:00
Thomas Harte
14d976eecb Starts towards an implementation of time warping. 2020-02-04 23:08:54 -05:00
Thomas Harte
e1cbad0b6d Ensures new displayLinkDelegates get a nudge with the initial display link. 2020-02-04 23:08:25 -05:00
Thomas Harte
e7410b8ed8 Uses objective clock for updates. 2020-02-04 22:24:54 -05:00
Thomas Harte
5caf74b930 Corrects typo. 2020-02-04 22:24:37 -05:00
Thomas Harte
b41920990f Moves submit step to end of line, rather than end of scan. 2020-02-04 22:15:20 -05:00
Thomas Harte
709c229cd7 Gets a bit more explicit with ScanTarget documentation. 2020-02-04 20:19:46 -05:00
Thomas Harte
01fd1b1a2e Pulls out ticks as a macro constant.
For playing.
2020-02-03 22:44:39 -05:00
Thomas Harte
96769c52f6 Prevents an endless queue of backlogged updates. 2020-02-03 22:08:07 -05:00
Thomas Harte
cf9729c74f Takes a first shot at running OpenGL work throughout a frame.
Rather than en masse at the end. But it seems I've been lazy with my threading. Work to do!
2020-02-03 21:58:29 -05:00
Thomas Harte
0f2783075f Moves responsibility for timed updates to CSMachine, which gives the CSHighPrecisionTimer a shot. 2020-02-02 21:39:20 -05:00
Thomas Harte
256f4a6679 Fixes -invalidate: cancel the dispatch source, don't just suspend it, and wait until that is done. 2020-02-02 21:29:22 -05:00
Thomas Harte
0310f94f0c
Merge pull request #745 from TomHarte/STMonochrome
Adds some amount of 1bpp/72Hz output support for the Atari ST.
2020-02-02 17:46:36 -05:00
Thomas Harte
085529ed72 Makes the shifter behaviour conform to its documentation. 2020-02-02 17:26:39 -05:00
Thomas Harte
8aabf1b374 Allows receivers of nullptr from begin_data to output any quantity of data. 2020-02-01 21:43:48 -05:00
Thomas Harte
ff39f71ca0 Eliminates meaningless constants from the Macintosh video's CRT setup. 2020-01-30 23:29:04 -05:00
Thomas Harte
019474300d Centralises responsibility for picking irrelevant numbers for a computer-style monitor. 2020-01-30 23:26:02 -05:00