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Code Issues Projects Releases Wiki Activity
3,636 Commits 8 Branches 121 Tags 496 MiB
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Commit Graph

487 Commits

Author SHA1 Message Date
Thomas Harte
e87a3cffd4 Merge branch 'master' into DiskII 2018-04-21 15:02:18 -07:00
Thomas Harte
5968c9a391 Corrects Apple II output audio. 2018-04-21 14:56:50 -07:00
Thomas Harte
72bc5f8d7b Adds a class to contain the Disk II and begins Apple GCR conversion routines. 2018-04-21 14:33:42 -07:00
Thomas Harte
f22c23cb4c Attempts to bring audio to the Apple II. 
By factoring the audio toggle out from the MSX.
 2018-04-17 22:28:13 -04:00
Thomas Harte
1c605d58e3 Removes the CRT requirement for an integral relationship between cycles and samples. 2018-04-16 20:00:56 -04:00
Thomas Harte
467cd5450f Adjusts PAL Vic timing. 2018-04-12 21:12:09 -04:00
Thomas Harte
428b6145fa Converts 6560 to more project normative templated form. 2018-04-11 22:00:42 -04:00
Thomas Harte
4c8a68c6a4 Implements late-0 with proper timing, and NTSC interlaced raster count timing. 2018-04-11 08:00:37 -04:00
Thomas Harte
0b4b6f4aec Tweaks luminances and reintroduces late-to-zero line counts. 2018-04-10 23:05:18 -04:00
Thomas Harte
cf6f6c5c15 Eliminates the full_frame_counter_ and slightly tweaks NTSC raster timing. 2018-04-08 18:51:20 -04:00
Thomas Harte
f541986333 Switches to more normative preincrement. 2018-04-08 18:50:42 -04:00
Thomas Harte
1c5972f7b0 Ensures NTSC raster count rollover; previously it was positing a line '261' for half of '0'. 2018-04-08 16:18:41 -04:00
Thomas Harte
3e846f89a1 Introduces different clipping zones for NTSC and PAL output. 2018-04-05 21:25:19 -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
0ee40e8556 Reintroduces 90% crop for VIC output. 2018-03-31 20:57:45 -04:00
Thomas Harte
912791d3d4 Causes the s-video path correctly to function. 2018-03-30 18:24:18 -04:00
Thomas Harte
163a61dd63 Corrects SVideo-as-composite output; the Atari and Vic-20 now both supply svideo. 2018-03-30 13:16:18 -04:00
Thomas Harte
33281b9d89 Introduces S-Video as a video signal type at the interface level. 2018-03-30 10:25:41 -04:00
Thomas Harte
e1aa3e5a7f Imports chrominances from the TED documentation. They seem to apply to the VIC-I also. 2018-03-29 20:04:37 -04:00
Thomas Harte
3b26e0a7c5 Tweaks NTSC colour generation. 2018-03-26 21:22:06 -04:00
Thomas Harte
a776bec46a Tweaks PAL colours for the 6560 to be closer to screenshots found online. 2018-03-26 19:02:16 -04:00
Thomas Harte
a301964bd0 Ensures all audio queues are fully merged before machine destruction. 
Thereby avoids a race condition.
 2018-03-22 21:59:19 -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
705d53cc21 Picks a phase for the TMS empirically. 2018-03-03 13:53:00 -05:00
Thomas Harte
3c5a8d9ff3 Adds Super Game Module support for the ColecoVision. 2018-03-03 13:08:33 -05:00
Thomas Harte
ea13c7dd32 Implements multicolour mode on the TMS. 2018-03-02 23:08:01 -05:00
Thomas Harte
86239469e7 Allows SN76489 consumers to apply an additional divider that reduces computation. 2018-03-01 18:51:05 -05:00
Thomas Harte
7890506b16 Gives the SN76489 its proper dividers and personalities. 2018-02-28 22:36:03 -05:00
Thomas Harte
5b854d51e7 Corrects out-of-bounds access. 2018-02-27 22:45:45 -05:00
Thomas Harte
d4df101ab6 Makes a first attempt at implementing the SN76489. 2018-02-27 22:25:12 -05:00
Thomas Harte
0ad2676640 Adds a class for the SN76489 and wires it into the ColecoVision. 2018-02-26 22:04:34 -05:00
Thomas Harte
cabad6fc05 Optimises the inner TMS loops slightly. 2018-02-21 21:29:17 -05:00
Thomas Harte
2fe0ceb52a Sets TMS input gamma. 2018-01-13 22:19:41 -05:00
Thomas Harte
2f59226300 Fixes: DiskROM drive motor control, track_for_sectors' sides. 2018-01-07 20:02:40 -05:00
Thomas Harte
793ef68206 Implements unconditional force interrupt for the WD. 2018-01-07 19:42:38 -05:00
Thomas Harte
2ffde4c3c2 Corrects SCC volume errors. 
Which were leading to substantial overflow.
 2018-01-07 09:59:00 -05:00
Thomas Harte
57ddfcd645 Corrects AY counter type. 2018-01-06 23:16:01 -05:00
Thomas Harte
fc16e8eb8c Makes first attempt at actually implementing the SCC. 2018-01-06 23:15:42 -05:00
Thomas Harte
655b971976 Establishes that there is such as a thing as a Konami SCC. 
Creates one, ensures it appears in memory when intended to, lets it handle reads and writes. It currently does nothing.
 2018-01-06 20:15:55 -05:00
Thomas Harte
bcc7ad0c30 Corrects bad TMS sprite selections on the top row of the screen. 2018-01-06 16:26:11 -05:00
Thomas Harte
2dc1d4443e Separates LowpassFilter and SampleSource. 2017-12-18 21:39:23 -05:00
Thomas Harte
f8a2459c91 Corrects two lingering adaptation errors in the Vic-20. 2017-12-17 21:43:08 -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
ec4c259695 Removes unused file. 2017-12-14 21:19:09 -05:00
Thomas Harte
ad50b6b1fb Corrects TMS' get_time_until_interrupt when the next interrupt is exactly a frame away. 2017-12-14 21:12:51 -05:00
Thomas Harte
3da323c657 Corrects lingering free TMS read. 2017-12-14 20:30:56 -05:00
Thomas Harte
aca7842ca4 Better documents and tidies the TMS9918. 2017-12-14 20:27:26 -05:00
Thomas Harte
c36de4f640 Attempts real VRAM access timings, correcting a frame timing error as I go. 2017-12-13 22:37:27 -05:00
Thomas Harte
5d0c33d545 Corrects occasional TMS sprite glitching. 2017-12-12 22:19:33 -05:00
Thomas Harte
b0616ee10c Adds one-before-the-graphics as a line for video collection. 
Thereby corrects sprites on line 0.
 2017-12-12 21:35:33 -05:00