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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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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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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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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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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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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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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Thomas Harte
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38b11893e8
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Takes first steps towards sprite display on the TMS.
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2017-12-02 22:13:43 -05:00 |
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Thomas Harte
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e4534775b0
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Cleans up and zooms in on the TMS slightly.
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2017-12-02 17:48:31 -05:00 |
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Thomas Harte
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fe0cdc8d69
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Corrects colour fetching in TMS Graphics II to be a function of row.
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2017-12-02 16:10:29 -05:00 |
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Thomas Harte
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ca26ce8400
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Slightly corrects style errors in the Cartridge hierarchy, and introduces mapping of .ROM to the MSX when appropriate.
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2017-12-02 16:01:30 -05:00 |
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Thomas Harte
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d3dd8f3f2a
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Implements screen 2 addressing.
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2017-12-02 14:05:52 -05:00 |
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Thomas Harte
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3c8d2d579d
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Resolves remaining sources of text mode instability.
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2017-11-30 22:48:07 -05:00 |
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Thomas Harte
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edcbb3dfed
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Tidies code a little and thereby uncovers and corrects one cause of output instability.
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2017-11-30 22:19:53 -05:00 |
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Thomas Harte
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9c8158753e
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Makes a first attempt at displaying text mode.
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2017-11-30 21:35:26 -05:00 |
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Thomas Harte
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ee84f33ab5
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Ensures that the 9918 admits that it is the source of interrupts.
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2017-11-29 21:33:43 -05:00 |
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Thomas Harte
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aa4eef41d8
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Seeks to introduce MSX interrupts.
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2017-11-29 20:31:55 -05:00 |
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Thomas Harte
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ecd7d4731b
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Advances emulation to showing what looks like appropriate text on screen.
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2017-11-28 21:27:15 -05:00 |
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Thomas Harte
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563aa051e4
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Simplifies code a little and gives something on screen.
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2017-11-28 21:19:28 -05:00 |
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Thomas Harte
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642bb8333f
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Introduces something of a first attempt at graphics collection and display. An unsuccessful attempt.
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2017-11-28 21:10:30 -05:00 |
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Thomas Harte
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c558e86e03
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Adds border colour output.
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2017-11-27 22:05:40 -05:00 |
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Thomas Harte
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dbb14ea2e2
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Corrects counting deficiencies that could produce an unstable display.
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2017-11-27 21:36:12 -05:00 |
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Thomas Harte
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173e16b107
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Corrects the 9918 so that it terminates.
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2017-11-27 19:48:04 -05:00 |
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Thomas Harte
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7d2adad67e
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Adds the absolute most basic version of in-frame time keeping, to display a white square.
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2017-11-27 19:43:33 -05:00 |
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Thomas Harte
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d33612def5
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Ensures the MSX provides a clock to the VDP.
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2017-11-26 20:07:30 -05:00 |
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Thomas Harte
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9cb6ca3440
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Adds elementary decoding of VDP accesses.
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2017-11-26 20:01:11 -05:00 |
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Thomas Harte
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0eb5dd9688
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Introduces the fundamentals of bus routing for the MSX.
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2017-11-26 16:47:59 -05:00 |
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Thomas Harte
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a14b53a9ab
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Adds a TMS9918 skeleton plus enough in the MSX to get to a blank screen in SDL/kiosk mode.
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2017-11-26 13:28:26 -05:00 |
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