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b514756272
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763 Commits

Author SHA1 Message Date
Thomas Harte
b514756272 Adds the option to run machines at a multiple of their real speeds. 
Exposed to SDL users only, for now.
 2020-01-26 13:25:23 -05:00
Thomas Harte
9136917f00 Enables the Oric for 50/60Hz mode switching, inventing PAL60 for the purpose. 2020-01-23 22:14:02 -05:00
Thomas Harte
428d141bc9 Factors out the logic behind the Atari 2600's frequency switching. 2020-01-23 20:12:44 -05:00
Thomas Harte
a5f285b4ce Enhances reported data. 2020-01-22 22:01:17 -05:00
Thomas Harte
a71c5946f0 Ensures proper manipulation of scan_statuses, leading to the correct result out of a CRTMachine. 
Possibly with the exception of the TMS, as I appear to have uncovered an unrelated issue there.
 2020-01-21 22:28:25 -05:00
Thomas Harte
e7fff6e123 Minor step towards correct answers: divide by time_multiplier_. 2020-01-20 22:33:51 -05:00
Thomas Harte
82e5def7c4 Implements get_scan_status, but for scale being incorrect. 2020-01-20 21:58:34 -05:00
Thomas Harte
d97a073d1b Adds the necessary routine for all machines to be able to respond to get_scan_status. 
They all just as the CRT, as all are currently based on the CRT. Which doesn't currently know the total clock rate it would need to in order properly to scale the answer to the question. Further thought coming.
 2020-01-20 21:45:10 -05:00
Thomas Harte
3c760e585a Switches to accepting a bit mask of events to run_until. 2020-01-20 16:08:21 -05:00
Thomas Harte
cb61e84868 Starts building out higher-level run_until functionality. 
Specifically: you can now run until the next set of speaker samples has been delivered.
 2020-01-20 12:12:23 -05:00
Thomas Harte
7dea99b1cc Update comment, for sense. 2020-01-02 23:13:12 -05:00
Thomas Harte
0dae608da5 Embraces std::make_[unique/shared] in place of .reset(new . 2019-12-23 21:31:46 -05:00
Thomas Harte
274867579b Deploys constexpr as a stricter const. 2019-12-22 00:22:17 -05:00
Thomas Harte
e9318efeb6 Switches to std::make_shared/make_unique in a bunch of applicable places. 
No doubt many more similar improvements are available, these are just the ones that were easy to find.
 2019-12-21 23:34:25 -05:00
Thomas Harte
cc7ff1ec9e Corrects typo. 2019-11-09 14:59:35 -05:00
Thomas Harte
9d12ca691f Makes meaning of 2048 here explicit. 2019-11-09 14:59:16 -05:00
Thomas Harte
68f9084d9e Fixes timing of wrap. 2019-11-07 23:24:51 -05:00
Thomas Harte
f9a35c6636 Corrects potential wrap error for non-single-byte targets. 2019-11-07 22:23:26 -05:00
Thomas Harte
6c75c60149 Merge branch 'master' into AtariST 2019-11-05 22:05:51 -05:00
Thomas Harte
35f1a7ab10 Resolves a potential out-of-bounds array access. 
Risk was: allocation exactly joins end of buffer. In which case the next get_data won't wrap the texture y coordinate since it won't spot an x overage.
 2019-11-05 21:47:40 -05:00
Thomas Harte
1c154131f9 Expands size of storage in Cycles/HalfCycles; adjusts widely to compensate. 2019-10-29 22:36:29 -04:00
Thomas Harte
92847037b3 Merge branch 'master' into AtariST 2019-10-27 21:40:51 -04:00
Thomas Harte
4266264449 Switches to the more idiomatic .empty(). 2019-10-27 21:31:31 -04:00
Thomas Harte
3794d94b68 Adds a sanity check on alignment. 2019-10-27 14:09:02 -04:00
Thomas Harte
d1dd6876b5 Adds the option to affix a standard prefix to log messages. 2019-10-20 20:38:55 -04:00
Thomas Harte
684644420a Increases scan buffer availability. 2019-10-20 17:22:41 -04:00
Thomas Harte
9c7aa5f3fc Attempts also to spot data writes without allocations. 2019-10-19 18:26:56 -04:00
Thomas Harte
418cd07e17 Adds a check against overrunning data. 2019-10-19 18:17:44 -04:00
Thomas Harte
19198ea665 Improves const usage. 2019-07-16 22:13:47 -04:00
Thomas Harte
60cedca97b Adds cmath in support of ceilf. 2019-07-08 18:14:03 -04:00
Thomas Harte
f6f9024631 Corrects Macintosh aspect ratio (and framing). 2019-06-13 18:41:38 -04:00
Thomas Harte
66540ff86f Permits end_data only after a begin_data. 2019-06-03 21:56:53 -04:00
Thomas Harte
b860ba2ee3 Disallows smaller buffer use for 'sharp' displays and tightens sampling window. 2019-06-03 15:58:14 -04:00
Thomas Harte
d25ab35d58 Finally gets setw usage correct. 2019-04-15 12:41:56 -04:00
Thomas Harte
6f7dd10d95 Reduces draw/update contention. 
This won't yet have any effect on either port owing to the way they handle contexts, but here it is.
 2019-03-07 19:28:32 -05:00
Thomas Harte
24fb95291a Reverts to support a full RGBA colour buffer. 2019-03-07 19:22:40 -05:00
Thomas Harte
84422676cb Switches to more coherent logic about buffer sizing. 2019-03-06 19:19:30 -05:00
Thomas Harte
7441e3f4c5 Corrects aspect ratio when changing accumulation texture size. 2019-03-05 22:10:32 -05:00
Thomas Harte
f18132d674 Makes effort to round out draft 1 of Outputs::Display::Metrics. 2019-03-05 22:01:58 -05:00
Thomas Harte
5660007221 Experimentally introduces adaptive quality intermediate buffers. 2019-03-05 21:41:20 -05:00
Thomas Harte
86a6b04d4a Begins attempts to keep track of display metrics. 
i.e. a system that can both make smart decisions about when to use a lower resolution, and hopefully allow some sort of flywheel-esque horizontal retrace synchronisation. And possibly some raster beam chasing?
 2019-03-04 21:54:50 -05:00
Thomas Harte
641e349f33 Switches to an 8bpp stencil, for Nvidia compatibility. 2019-03-03 20:38:24 -05:00
Thomas Harte
ccdeb3fbc8 Ensures draw is a no-op prior to pipeline setup. 2019-03-03 15:04:14 -05:00
Thomas Harte
bee0d09877 Splits display update and draw functions. 
On the Mac, draw is now called without an update for resizing events, and
anything else requested by AppKit. In all other cases — including from
the SDL version — both are called as if they were still a single function.
 2019-03-02 19:33:28 -05:00
Thomas Harte
d97348dd38 Eliminates dangling uses of printf. 2019-03-02 18:07:05 -05:00
Thomas Harte
d122535a65 Unifies the OpenGL screenshot code and corrects it for arbitrary alignment. 2019-02-27 21:05:02 -05:00
Thomas Harte
db078c7363 Minor tweak: don't start counting phase from zero. 
This should ensure no first pixel issues resulting from clamping.
 2019-02-27 18:51:51 -05:00
Thomas Harte
6b4f6971de Disables upper limit on frame buffer size. 
Filtering is sufficiently imperfect as to make this justifiable only when performance requires it. So I need a test for that. Marked as TODO.
 2019-02-26 22:39:07 -05:00
Thomas Harte
79707a3c66 Improves filtering slightly, and ensures coefficients are always set when needed. 2019-02-26 22:35:55 -05:00
Thomas Harte
694783efe9 Brings S-Video inside the group that filters luminance. 
Thereby revealing some sort of error in offset selection.
 2019-02-26 22:27:40 -05:00