Thomas Harte
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6f17076003
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Switched to much more logical shared_ptr ownership of PCMSegmentEventSources by Periods.
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2016-12-20 18:13:10 -05:00 |
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Thomas Harte
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497b2ae4dd
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Still by manual inspection: the time for the next event should be provisional until proven acceptable, allowing a proper measurement of time until exiting the period to be taken; also fixed the accumulated period error when seeking back onto the underlying track.
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2016-12-20 08:14:16 -05:00 |
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Thomas Harte
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6bdde542c5
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Edging towards functioning automatic tests, fixed right-period adjustment and slightly decreased searching cost while in the process of adding a test.
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2016-12-20 07:52:14 -05:00 |
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Thomas Harte
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ec624eaab1
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Made an attempt fully to implement PCMPatchedTrack. Which now requires tests.
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2016-12-20 07:30:57 -05:00 |
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Thomas Harte
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1ef1f6ec69
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Attempted to implemnt seek_to and to finish add_segment. Started doing a little of get_next_event but ran out of time for the day.
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2016-12-19 21:46:02 -05:00 |
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Thomas Harte
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8f937ceac8
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Made an attempt to come up with a data structure that actually makes sense (though perhaps this is textbook list rather than vector stuff? I guess it depends on the frequency I expect inserts to occur versus reads) and to implement inserts. Though the Periods aren't yet honoured.
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2016-12-19 07:42:43 -05:00 |
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Thomas Harte
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1df478d250
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Removed dead header file.
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2016-12-18 23:04:16 -05:00 |
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Thomas Harte
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e081f224b6
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Implemented a very basic PCMTrack test, nevertheless revealing an oversight in PCMSegmentEventSource related to improperly counting to the index hole if the final bit is set. Took that as a message that I should comment and document the event source.
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2016-12-18 22:53:24 -05:00 |
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Thomas Harte
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a6354ebb01
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Reimplemented PCMTrack to use PCMSegmentEventSource, eliminating code duplication.
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2016-12-18 21:37:05 -05:00 |
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Thomas Harte
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f9a5595dad
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Added seeking tests, correcting such errors as uncovered.
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2016-12-18 10:19:24 -05:00 |
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Thomas Harte
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3297f6d545
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Made an attempt to implement seek_to on PCMSegmentEventSource, taking account of off-by-half counting.
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2016-12-17 22:44:33 -05:00 |
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Thomas Harte
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3116a2cf4c
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Realised I was actually testing PCMSegmentEventSource, not PCMSegment; implemented a spread of tests; hence fixed PCMSegmentEventSource.
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2016-12-17 21:47:13 -05:00 |
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Thomas Harte
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254cc41fd6
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Made an attempt to separate and isolate the stuff of creating flux events from a PCMSegment, eventually to factor that out of PCMTrack and make it available also to PCMPatchedTrack.
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2016-12-17 21:13:57 -05:00 |
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Thomas Harte
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313db75303
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Ensured the patchable track owns its underlying track.
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2016-12-17 18:17:22 -05:00 |
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Thomas Harte
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3017062e89
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Maybe TDD is the way to get over my activity block on this thing? Fixed the existing ArrayBuilder tests so that the tests target builds again, added an extremely trivial PCMTrack test, heading towards PCMPatchedTrack tests.
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2016-12-17 17:05:49 -05:00 |
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Thomas Harte
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f1a08b7ab5
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Opted to pass times by reference and added enough to PCMPatchedTrack that it could start being used by the disk controller, albeit that it doesn't work.
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2016-12-17 16:26:45 -05:00 |
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Thomas Harte
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dc08a23ceb
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This is going to be a slow walk, I think. This class attempts to be the scratchpad which will hold in-memory track modifications.
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2016-12-16 19:20:38 -05:00 |
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Thomas Harte
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1e757d1039
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Merge branch 'master' into DiskWrites
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2016-12-15 19:53:39 -05:00 |
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Thomas Harte
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ea1b3d447b
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Merge pull request #85 from TomHarte/ElectronRefactor
Applies a healthy cleaning to the Electron implementation
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2016-12-15 19:53:07 -05:00 |
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Thomas Harte
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63107cd492
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Tidied, very slightly.
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2016-12-15 19:49:25 -05:00 |
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Thomas Harte
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a555c5762a
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Rearranged code, hopefully into a more logical grouping.
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2016-12-15 19:47:04 -05:00 |
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Thomas Harte
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4a7ddaf2e9
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Added documentation and a quick note to self.
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2016-12-15 19:43:04 -05:00 |
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Thomas Harte
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f61176cd7d
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Reinstituted something of the don't-do-pixel-work-until-an-affecting-write-occurs optimisation.
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2016-12-15 19:20:14 -05:00 |
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Thomas Harte
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c1c70a767a
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Attempted fully to reinstate proper timing.
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2016-12-15 18:52:16 -05:00 |
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Thomas Harte
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0326316bb8
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Reinstated whole-frame counting. Thereby to reinstate proper interrupts.
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2016-12-15 18:09:49 -05:00 |
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Thomas Harte
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b58b11fc93
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Switched to a table-based dispatch of line-by-line actions, primarily to simplify.
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2016-12-15 18:07:46 -05:00 |
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Thomas Harte
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fd541e1142
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An early draft; dealing with the issue that not all cycles are necessarily consumed in a single call. Incomplete; broken. Committing for cross-machine visibility.
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2016-12-12 08:01:10 -05:00 |
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Thomas Harte
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be7e05e109
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Started attempting to move total responsibility for display-related interrupts and RAM timing into the video.
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2016-12-11 18:34:49 -05:00 |
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Thomas Harte
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c5cf8d9531
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Ensured the video subsystem correctly handles requests to run over a frame boundary.
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2016-12-11 16:17:51 -05:00 |
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Thomas Harte
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52028432e1
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Restored some semblance of output.
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2016-12-10 22:19:10 -05:00 |
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Thomas Harte
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0aae1bd1ef
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Fixed calculation of termination cycle.
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2016-12-10 21:35:41 -05:00 |
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Thomas Harte
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c43e481a33
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Started factoring video out of the Electron.
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2016-12-10 21:07:52 -05:00 |
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Thomas Harte
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54b5056c74
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Merge branch 'master' into DiskWrites
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2016-12-10 19:37:48 -05:00 |
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Thomas Harte
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0653770c63
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Merge pull request #84 from TomHarte/OricColour
Switches to using the original Oric colour ROM to generate Oric composite values
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2016-12-10 19:37:17 -05:00 |
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Thomas Harte
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e62be03673
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Removed endianness assumption.
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2016-12-10 19:10:33 -05:00 |
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Thomas Harte
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34d213dec4
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Decreased Y resolution, again also hopefully temporarily.
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2016-12-10 15:35:38 -05:00 |
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Thomas Harte
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81a102d951
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Upped intermediate buffer size, at least temporarily, while I look for the source of the interference patterns I'm seeing.
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2016-12-10 15:20:10 -05:00 |
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Thomas Harte
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a5683dfb21
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Removed now untrue comment.
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2016-12-10 15:19:48 -05:00 |
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Thomas Harte
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0e71802b92
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Reduced Oric video to single nibble constants. Removed attempt at asynchronous flush as no longer required.
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2016-12-10 14:17:46 -05:00 |
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Thomas Harte
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580f347727
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Fixed Oric SCART mode by having it change what it's giving to the CRT based on which shader it knows will be active.
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2016-12-10 13:55:56 -05:00 |
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Thomas Harte
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a549fd1ecc
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Introduced the ability simply to piggy-back off the CRT's natural phase for the colour burst, thereby eliminating a couple of redundant independent attempts in the Oric and Electron.
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2016-12-10 13:42:34 -05:00 |
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Thomas Harte
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e359441e2f
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Added a readme.txt for the omitted Oric ROMs.
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2016-12-09 22:18:11 -05:00 |
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Thomas Harte
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6cdd41e5a9
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Added direct use of the colour ROM, uploading 16 bits per pixel to contain the entire ROM composite wave.
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2016-12-09 22:17:10 -05:00 |
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Thomas Harte
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3b5962b171
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This is an initial attempt at using the actual Oric colour ROM values for composite video generation.
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2016-12-09 20:01:27 -05:00 |
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Thomas Harte
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c4041b06a8
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This'll do as a write interface, won't it?
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2016-12-07 22:19:20 -05:00 |
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Thomas Harte
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46ebae7e4b
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Merge pull request #83 from TomHarte/InterruptLine
Corrects interrupt line handling of the WD and Microdisc
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2016-12-06 21:21:35 -05:00 |
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Thomas Harte
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c304db0f5a
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Deintegrated the busy flag and the interrupt request line, as the latter is reset by status reads. Which also means I can start reporting the WD INTRQ line status directly from the Microdisc. That appears to be correct, rather than honouring the Microdisc IRQ select there.
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2016-12-06 21:16:29 -05:00 |
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Thomas Harte
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4d3bdf8c7c
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Fixed failure to initialise the Microdisc flag if loading a tape.
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2016-12-06 20:29:05 -05:00 |
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Thomas Harte
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0300ae4ec0
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Merge pull request #82 from TomHarte/VideoRacing
Pulls the texture builder into flush/submit orthodoxy
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2016-12-06 19:13:05 -05:00 |
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Thomas Harte
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5216dda675
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Added some brief extra exposition to the texture builder, cut all internal tex_x/y and source_divider stuff from the CRT.
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2016-12-06 19:08:55 -05:00 |
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