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6,732 Commits 10 Branches 121 Tags 500 MiB
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Commit Graph

175 Commits

Author SHA1 Message Date
Thomas Harte
894269aa06 Allows for permitted 1/32nd timing error in time_multiplier_. 2020-09-17 18:12:21 -04:00
Thomas Harte
b1aefbfe85 Separates asserts. 2020-09-15 23:24:06 -04:00
Thomas Harte
69d21daaa3 Improves commentary. 2020-09-15 22:21:05 -04:00
Thomas Harte
25996ce180 Further doubles down on construction syntax for type conversions. 2020-05-09 23:00:39 -04:00
Thomas Harte
31c6faf3c8 Adds a bunch of consts. 2020-05-09 21:23:52 -04:00
Thomas Harte
394ee61c78 Starts a switch to reflectable-style runtime options. 
The Amstrad CPC and ZX80/81 have made the jump so far, subject to caveats. The macOS build is unlikely currently to work properly.
 2020-03-16 23:25:05 -04:00
Thomas Harte
f95b07efea Continues edging towards raster racing and/or time warping. 2020-02-06 23:35:03 -05:00
Thomas Harte
019474300d Centralises responsibility for picking irrelevant numbers for a computer-style monitor. 2020-01-30 23:26:02 -05:00
Thomas Harte
f9ce50d2bb Adds some debugging `asserts. 2020-01-29 22:45:44 -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
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
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
cc7ff1ec9e Corrects typo. 2019-11-09 14:59:35 -05:00
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
f6f9024631 Corrects Macintosh aspect ratio (and framing). 2019-06-13 18:41:38 -04:00
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
2f9e825728 Forces the outward-communicated composite angles to have the same precision as the cycle counts. 
While also making a minor improvement to output range. Which is neither here nor there.
 2019-02-24 14:29:43 -05:00
Thomas Harte
5ceb711bd3 Allows amplitude to be specified even for a default colour burst. 2019-01-17 20:47:42 -05:00
Thomas Harte
6c49953115 Returns gamma correction, and corrects Amstrad CPC brightness. 2019-01-14 22:56:08 -05:00
Thomas Harte
5d9521fcb9 Advances back to a semi-complete monochrome composite output. 
i.e. composite phase and amplitude is ostensibly flowing to its new destination.
 2019-01-11 22:02:15 -05:00
Thomas Harte
906a2ff6eb Switches to using clock times for buffer merging and output. 2019-01-06 18:47:01 -05:00
Thomas Harte
e9d9ff0da0 Enhances ScanTarget to provide additional timing information. 2019-01-05 23:09:17 -05:00
Thomas Harte
a25470ee41 Permits tweaking of PhaseLinkedLuminance8 sampling offset. 2018-11-29 16:29:28 -08:00
Thomas Harte
64465f97b6 Starts towards reintroducing the proper mechanisms for selecting a display type at runtime. 2018-11-28 17:53:33 -08:00
Thomas Harte
a697a2e4f6 Attempts to complete all input processing — an RGB, S-Video or composite input buffer is now produced. 
... for all input data types.
 2018-11-22 17:20:31 -05:00
Thomas Harte
8a699b6072 Kills setup_output definitively, saving some indirection. set_scan_target takes its place. 2018-11-14 21:52:57 -05:00
Thomas Harte
02f9cada43 Communicates the colour subcarrier frequency, and uses it to pick a buffer width. 2018-11-13 18:33:44 -05:00
Thomas Harte
2adf3d353e Subtracts retrace periods from output scale. 2018-11-12 20:20:09 -05:00
Thomas Harte
be12d78c83 Corrects vertical event announcement, and adjusts namespaces for OpenGL primitives. 2018-11-11 15:11:32 -05:00
Thomas Harte
6d277fecd5 Makes ScanTarget a little more communicative and orthogonal. 2018-11-10 19:52:57 -05:00
Thomas Harte
55da1e9c0f Simplifies semantics a little and starts accepting a single buffer of pixel data. 2018-11-06 22:23:38 -05:00
Thomas Harte
9799aa0975 Completes documentation and rounds out implementation. 2018-11-04 22:17:33 -05:00
Thomas Harte
1effb97b74 Reintroduces colour phase acquisition from the colour burst. 2018-11-04 21:57:46 -05:00
Thomas Harte
eb28095041 Ensures proper accumulation and reporting of colour phase across lines. 2018-11-04 21:44:22 -05:00
Thomas Harte
014da41471 Ensures scan positions are communicated with a specified range, and switches manner of pixel clock communication. 2018-11-04 21:06:25 -05:00
Thomas Harte
0446e350d3 Resolves sizing of texture coordinates, and improves constness slightly. 2018-11-03 23:51:26 -04:00
Thomas Harte
05fb7db147 Reduces CRT chattiness. 2018-11-03 23:47:41 -04:00
Thomas Harte
f6562de325 Possibly adds enough for the Electron and ZX80 to start outputting dummy lines. 
Let's see!
 2018-11-03 23:40:39 -04:00
Thomas Harte
b40211d2c0 Starts to bend 'CRTMachine' to a world farther from owning the GPU relationship. 2018-11-03 21:54:25 -04:00
Thomas Harte
da4d883321 Adds first, incomplete attempts to talk to a ScanTarget from the CRT. 
Does away with the hassle of `unsigned` while I'm here; that was a schoolboy error.
 2018-11-03 19:58:44 -04:00
Thomas Harte
c97c5fa03a [Re-]recalibrates CRT retrace period and affected view windows. 
In the hope of moving the CPC closer to the real CTM visible area.
 2018-07-05 22:07:18 -04:00
Thomas Harte
283ed8dbae Increases permissible error in scanline length. 2018-06-19 22:24:11 -04:00
Thomas Harte
0c65385c82 Undoes older interpretation of alternating phase. 
I now understand, hopefully, that it's only the phase of the second colour component that alternates. That has the pointwise effect of reversing the colour signal. Hence the effect of phase errors cancelling themselves out up on successive lines up to a point.
 2018-06-14 18:24:32 -04:00
Thomas Harte
35e84ff1a8 Corrects NTSC quadrature phase. 2018-05-31 21:40:46 -04:00