 Thomas Harte
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0ee40e8556
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Reintroduces 90% crop for VIC output.
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2018-03-31 20:57:45 -04:00 |
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Thomas Harte
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912791d3d4
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Causes the s-video path correctly to function.
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2018-03-30 18:24:18 -04:00 |
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Thomas Harte
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163a61dd63
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Corrects SVideo-as-composite output; the Atari and Vic-20 now both supply svideo.
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2018-03-30 13:16:18 -04:00 |
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Thomas Harte
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33281b9d89
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Introduces S-Video as a video signal type at the interface level.
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2018-03-30 10:25:41 -04:00 |
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Thomas Harte
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e1aa3e5a7f
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Imports chrominances from the TED documentation. They seem to apply to the VIC-I also.
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2018-03-29 20:04:37 -04:00 |
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Thomas Harte
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3b26e0a7c5
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Tweaks NTSC colour generation.
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2018-03-26 21:22:06 -04:00 |
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Thomas Harte
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a776bec46a
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Tweaks PAL colours for the 6560 to be closer to screenshots found online.
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2018-03-26 19:02:16 -04:00 |
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Thomas Harte
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a301964bd0
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Ensures all audio queues are fully merged before machine destruction.
Thereby avoids a race condition.
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2018-03-22 21:59:19 -04:00 |
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Thomas Harte
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48737a32a7
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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.
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2018-03-09 13:23:18 -05:00 |
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Thomas Harte
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705d53cc21
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Picks a phase for the TMS empirically.
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2018-03-03 13:53:00 -05:00 |
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Thomas Harte
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3c5a8d9ff3
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Adds Super Game Module support for the ColecoVision.
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2018-03-03 13:08:33 -05:00 |
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Thomas Harte
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ea13c7dd32
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Implements multicolour mode on the TMS.
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2018-03-02 23:08:01 -05:00 |
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Thomas Harte
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86239469e7
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Allows SN76489 consumers to apply an additional divider that reduces computation.
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2018-03-01 18:51:05 -05:00 |
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Thomas Harte
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7890506b16
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Gives the SN76489 its proper dividers and personalities.
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2018-02-28 22:36:03 -05:00 |
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Thomas Harte
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5b854d51e7
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Corrects out-of-bounds access.
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2018-02-27 22:45:45 -05:00 |
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Thomas Harte
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d4df101ab6
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Makes a first attempt at implementing the SN76489.
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2018-02-27 22:25:12 -05:00 |
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Thomas Harte
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0ad2676640
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Adds a class for the SN76489 and wires it into the ColecoVision.
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2018-02-26 22:04:34 -05:00 |
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Thomas Harte
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cabad6fc05
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Optimises the inner TMS loops slightly.
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2018-02-21 21:29:17 -05:00 |
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Thomas Harte
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2fe0ceb52a
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Sets TMS input gamma.
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2018-01-13 22:19:41 -05:00 |
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Thomas Harte
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2f59226300
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Fixes: DiskROM drive motor control, track_for_sectors' sides.
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2018-01-07 20:02:40 -05:00 |
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Thomas Harte
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793ef68206
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Implements unconditional force interrupt for the WD.
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2018-01-07 19:42:38 -05:00 |
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Thomas Harte
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2ffde4c3c2
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Corrects SCC volume errors.
Which were leading to substantial overflow.
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2018-01-07 09:59:00 -05:00 |
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Thomas Harte
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57ddfcd645
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Corrects AY counter type.
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2018-01-06 23:16:01 -05:00 |
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Thomas Harte
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fc16e8eb8c
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Makes first attempt at actually implementing the SCC.
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2018-01-06 23:15:42 -05:00 |
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Thomas Harte
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655b971976
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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.
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2018-01-06 20:15:55 -05:00 |
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Thomas Harte
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bcc7ad0c30
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Corrects bad TMS sprite selections on the top row of the screen.
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2018-01-06 16:26:11 -05:00 |
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Thomas Harte
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2dc1d4443e
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Separates LowpassFilter and SampleSource.
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2017-12-18 21:39:23 -05:00 |
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Thomas Harte
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f8a2459c91
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Corrects two lingering adaptation errors in the Vic-20.
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2017-12-17 21:43:08 -05:00 |
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Thomas Harte
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ac80d10cd8
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Separates the component parts of running an audio stream: task deferral, filtering and generation.
Walking towards improving opportunities for composition.
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2017-12-17 21:26:06 -05:00 |
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Thomas Harte
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ec4c259695
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Removes unused file.
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2017-12-14 21:19:09 -05:00 |
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Thomas Harte
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ad50b6b1fb
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Corrects TMS' get_time_until_interrupt when the next interrupt is exactly a frame away.
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2017-12-14 21:12:51 -05:00 |
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Thomas Harte
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3da323c657
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Corrects lingering free TMS read.
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2017-12-14 20:30:56 -05:00 |
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Thomas Harte
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aca7842ca4
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Better documents and tidies the TMS9918.
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2017-12-14 20:27:26 -05:00 |
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Thomas Harte
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c36de4f640
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Attempts real VRAM access timings, correcting a frame timing error as I go.
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2017-12-13 22:37:27 -05:00 |
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Thomas Harte
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5d0c33d545
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Corrects occasional TMS sprite glitching.
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2017-12-12 22:19:33 -05:00 |
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Thomas Harte
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b0616ee10c
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Adds one-before-the-graphics as a line for video collection.
Thereby corrects sprites on line 0.
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2017-12-12 21:35:33 -05:00 |
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Thomas Harte
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798cdba979
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8255: update_outputs now affects only those ports designated as outputs.
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2017-12-10 17:55:37 -05:00 |
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Thomas Harte
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f957344ac4
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Corrects TMS failure to show background through tile layer.
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2017-12-09 23:15:04 -05:00 |
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Thomas Harte
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b3fbd0f352
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Tidies up some of the TMS' magic constants.
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2017-12-09 23:08:07 -05:00 |
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Thomas Harte
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042edc72f7
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Adjusts TMS declared timing so as to be in-phase with an NTSC clock, and adopts an alternative palette.
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2017-12-09 22:28:34 -05:00 |
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Thomas Harte
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943418c434
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Reformulates TMS sprite plotting to set the collision flag and to support magnified sprites.
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2017-12-09 20:30:12 -05:00 |
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Thomas Harte
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7d7e2538bd
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Introduces a computationally simplified inner loop for TMS graphics modes, modelled on that for text.
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2017-12-09 16:02:33 -05:00 |
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Thomas Harte
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7a544731e2
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Makes minor tidiness improvements to the TMS.
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2017-12-08 22:20:21 -05:00 |
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Thomas Harte
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e1914b4f16
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Attempts to add a proper intermediate buffer for sprites to allow the split of collection and output.
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2017-12-08 22:12:39 -05:00 |
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Thomas Harte
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8653eb8b55
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Corrects various latent errors in optimised TMS video collection.
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2017-12-06 20:24:29 -05:00 |
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Thomas Harte
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a4f0a260fd
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Reformulates the TMS graphics mode fetch loop to try to eliminate heavy conditionality. Temporarily introduces some sprite selection issues.
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2017-12-05 22:39:03 -05:00 |
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Thomas Harte
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d4a53e82bb
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Replaces manual retread of memcpy with standard memcpy.
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2017-12-05 18:21:34 -05:00 |
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Thomas Harte
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6eedc99286
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Makes substantial optimisations to text mode.
Character optimisations to come.
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2017-12-04 22:18:51 -05:00 |
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Thomas Harte
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a473338abe
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Makes minor type conversion fixes.
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2017-12-03 22:24:48 -05:00 |
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Thomas Harte
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ad3df36c20
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Corrects sprite information collection to cover all four.
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2017-12-03 14:51:55 -05:00 |
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