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Commit Graph

70 Commits

Author SHA1 Message Date
Thomas Harte
9ca2d8f9f2 Tried to be less lazy with lambda captures.
This is primarily defensive.
2020-02-14 23:39:08 -05:00
Thomas Harte
0b771ce61a Removes all instances of the copyright symbol. 2018-05-13 15:19:52 -04:00
Thomas Harte
428b6145fa Converts 6560 to more project normative templated form. 2018-04-11 22:00:42 -04:00
Thomas Harte
f541986333 Switches to more normative preincrement. 2018-04-08 18:50:42 -04:00
Thomas Harte
60c1da6a66 Causes the 6560 to obey set_sample_volume_range.
Thereby resolves a clipping issue.
2018-04-05 21:04:46 -04:00
Thomas Harte
48737a32a7 Introduces formal setting of the output volume to SampleSource.
Previously every output device was making its own decision. Which is increasingly less sustainable due to the CompoundSource.
2018-03-09 13:23:18 -05:00
Thomas Harte
ac80d10cd8 Separates the component parts of running an audio stream: task deferral, filtering and generation.
Walking towards improving opportunities for composition.
2017-12-17 21:26:06 -05:00
Thomas Harte
ff7ba526fb Corrects improper initialisation order on the 6560. 2017-11-10 22:05:35 -05:00
Thomas Harte
c0055a5a5f Further builds up SConstruct, correcting many missed imports and a couple of improper uses of C99 in C++ code. 2017-11-09 22:04:49 -05:00
Thomas Harte
5e3e91373a Switches all unsigned int and double casts to functional style. 2017-10-21 19:49:04 -04:00
Thomas Harte
e01f3f06c8 Completed curly bracket movement. 2017-03-26 14:34:47 -04:00
Thomas Harte
36bc558798 Converted all 'Components' to postfix underscores. 2016-12-03 10:51:09 -05:00
Thomas Harte
922dd6a586 Hit up the other two kinds of audio generator. 2016-10-07 17:10:00 -04:00
Thomas Harte
1541273785 Moved responsibility for throwing in a low-pass filter up to the Vic, appropriately. 2016-08-21 18:13:31 -04:00
Thomas Harte
c783090980 It turns out that the Vic has a 1.6Khz low-pass filter. So added that. 2016-08-21 12:13:41 -04:00
Thomas Harte
8d839c5278 I think this is correct. And have explained why. 2016-08-20 16:54:43 -04:00
Thomas Harte
7c9455251d Fixed reload for the lower-frequency audio channels. 2016-08-19 17:34:01 -04:00
Thomas Harte
99157ad6b2 Ensured the 6560 knows its real audio clock on a PAL machine; removed some stray semicolons. 2016-08-19 13:35:34 -04:00
Thomas Harte
3e65450a54 Converted the 6560 fully into a template; worked on allowing the typer to run at a much faster rate where hardware has some trigger by which it can request the next key. 2016-08-06 14:33:24 -04:00
Thomas Harte
c6e046253e Shunted code for the main part up into the header, in advance of turning it into a template so as to bring it inside the normal orthodoxy. 2016-08-05 19:13:49 -04:00
Thomas Harte
5d40d70c92 Fixed 6560 addressing error, added an autotyper for Vic disks (more work potentially needed), fixed semantics for testing whether a 6502 is about to reset. 2016-08-01 10:32:32 -04:00
Thomas Harte
88964ceac0 Eliminated plain pointer passing for object types. 2016-07-04 19:33:55 -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
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
de5d2f1113 Ensured the line counter increments late on NTSC. 2016-06-27 22:12:55 -04:00
Thomas Harte
3c9183d034 Improved some commenting. 2016-06-23 20:43:29 -04:00
Thomas Harte
359ffb9aa7 Made some attempt to implement what appears to be the proper address generation logic. 2016-06-23 07:32:24 -04:00
Thomas Harte
b753690d5e Made an attempt to adjust the 6560 to a model compatible with that advocated by the available documentation. Exact decision timing may need further work. 2016-06-21 22:12:01 -04:00
Thomas Harte
106e56600d Added a DC offset for 6560 volume level, albeit one plucked from thin air. 2016-06-21 07:31:14 -04:00
Thomas Harte
ce7488dd30 Added support for _invertedCells. Treading water a little before making real changes. 2016-06-14 21:06:29 -04:00
Thomas Harte
926f819e3b Added some documentation, made the speaker private. 2016-06-14 20:00:16 -04:00
Thomas Harte
a2a6e3c818 Fixed phase offsets. 2016-06-14 18:19:06 -04:00
Thomas Harte
f4884a3481 Added the noise channel, albeit not very creatively. 2016-06-14 17:50:32 -04:00
Thomas Harte
c18cc4c8f5 It appears the Vic's output is sine-ish, after all. Also adjusted centre of display, simultaneously adding some validation on that. 2016-06-14 07:29:35 -04:00
Thomas Harte
fdc854c0c2 Fixed tone channels; made an attempt at loading PRGs that are supposed to go into RAM. 2016-06-13 21:49:59 -04:00
Thomas Harte
efcb196ef7 Made a complete attempt at the tone channels. 2016-06-13 20:59:01 -04:00
Thomas Harte
f1a45c1011 Merge branch 'VicAudio' into Vic-20 2016-06-13 19:34:13 -04:00
Thomas Harte
2d23bc46f2 Whoops; fixed line count target test. 2016-06-13 19:34:01 -04:00
Thomas Harte
5fc36b956c Attempted most basic sketching of a container for Vic audio. 2016-06-13 19:30:52 -04:00
Thomas Harte
91c406e065 Made an attempt to honour interlaced-frame line counts. 2016-06-13 18:21:21 -04:00
Thomas Harte
2e946e785f Settled on half-intensity colour for now, appears likely not to be too incorrect(?) 2016-06-13 18:20:21 -04:00
Thomas Harte
e10535181d Made an attempt to implement interlaced video. 2016-06-12 22:27:58 -04:00
Thomas Harte
4ad55a7f5e Trimmed the visible area. 2016-06-12 18:01:38 -04:00
Thomas Harte
a5efa7543a Added vertical sync, switching fully to the normal NTSC colour space. 2016-06-12 17:57:52 -04:00
Thomas Harte
4c2b964cd4 Added NTSC-VIC's switching of phase every field. 2016-06-12 17:45:25 -04:00
Thomas Harte
6b5a322918 Fixed all colours, plus special case no-chroma for black and white. 2016-06-12 17:41:52 -04:00
Thomas Harte
580c8bdcbd Ported rest. 2016-06-12 17:29:44 -04:00
Thomas Harte
1a2b18f93b Steps towards CPU mapping; diagnostic. 2016-06-12 17:27:57 -04:00
Thomas Harte
8abf395202 Experimented with table-based GLSL lookups, and a sine curve. Now _exceedingly_ slow, but colours are correct if I pretend I'm in the YUV colour space. 2016-06-12 14:57:24 -04:00