Thomas Harte
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ac37424878
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Set up a test class to allow me to discover which of the machine cycle sequences I'm in error on.
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2017-06-15 19:06:59 -04:00 |
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Thomas Harte
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77aa3c187e
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Rebranded ZX80O as ZX80O81P, with an eye to making it accept ZX81 .p files. Adjusted the initial selection part of the static analyser appropriately.
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2017-06-11 21:38:32 -04:00 |
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Thomas Harte
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7e10c7f9d8
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Relocated the ZX80/81 concept of a 'file' out from Tape into Data, given that it's an exact duplicate of memory.
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2017-06-08 19:09:51 -04:00 |
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Thomas Harte
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60300851ea
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Started sketching out a tape parser for ZX80 and '81 files. I think this'll help me to verify whether the .O input is working.
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2017-06-07 10:12:13 -04:00 |
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Thomas Harte
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8c66e1d99d
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Factored out ZX80/81 video and rejigged to ensure it will keep ticking over irrespective of whether the machine is supplying data.
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2017-06-06 17:53:23 -04:00 |
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Thomas Harte
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b0a7c58287
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Fixed project to point to the XIB I actually want to keep; fixed that XIB to have the correct contents.
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2017-06-04 17:57:37 -04:00 |
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Thomas Harte
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d2637123c4
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Added necessary support to get as far as an empty window when attempting to load a piece of ZX80 software.
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2017-06-04 17:55:19 -04:00 |
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Thomas Harte
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02b7c3d1b0
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Added the necessary wiring to get into a ZX80/81-oriented part of the static analyser, which could in principle post a ZX80 target.
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2017-06-04 17:04:06 -04:00 |
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Thomas Harte
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655809517c
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Ensured that there is a subclass of file that is entrusted to load .O/.80 files, and that the code routes such files to it, noting that it should consider whether a ZX80 is required.
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2017-06-04 16:37:03 -04:00 |
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Thomas Harte
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fd6623b5a5
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Attempted to bring a common hierarchy to the Z80 and 6502 test machines, particularly with a view to eliminating the special-case Jam stuff on the 6502.
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2017-06-03 21:22:16 -04:00 |
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Thomas Harte
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b304c3a4b9
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Eliminated the 6502's reliance on the micro-op scheduler.
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2017-06-03 20:30:07 -04:00 |
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Thomas Harte
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3e9212aaff
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Plumbed through to allow interrupt tests, wrote an NMI test, corrected the error revealed.
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2017-06-03 17:41:45 -04:00 |
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Thomas Harte
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244b5ba3c2
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Added a proper termination condition for Zexall and, for now, a Mhz counter.
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2017-05-30 18:32:38 -04:00 |
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Thomas Harte
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3c6f63abcc
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Started towards running the FUSE tests. Just need to deal with the memory segments.
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2017-05-25 19:12:59 -04:00 |
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Thomas Harte
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e3e461d7cb
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Added a test class for running the FUSE tests. With nothing much in it.
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2017-05-21 22:49:24 -04:00 |
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Thomas Harte
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11d05fb3b8
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Expanded a little on operations, added an implementation or two.
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2017-05-19 19:18:35 -04:00 |
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Thomas Harte
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58efca835f
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Sought to add a further opcode.
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2017-05-18 22:53:43 -04:00 |
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Thomas Harte
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87a021ec2d
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Made further attempt to get as fas as having the Z80 attempt to do something.
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2017-05-16 22:19:40 -04:00 |
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Thomas Harte
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189317b80c
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Added enough of a Z80 test machine to bridge up into Swift.
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2017-05-16 22:05:42 -04:00 |
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Thomas Harte
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7190f927b7
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Factored out the stuff that both all-RAM processors would share, rather than duplicating it.
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2017-05-16 21:28:17 -04:00 |
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Thomas Harte
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d559d8b901
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Continued edging towards getting the absolute basics of a testable Z80, for test-driven development. Corrected old-fashioned instance naming issues with the corresponding 6502 class and removed an unnecessary source file while at it.
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2017-05-16 21:19:17 -04:00 |
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Thomas Harte
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df80c37adb
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Renamed TestMachine to TestMachine6502 since there's going to be multiple of them.
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2017-05-15 08:18:57 -04:00 |
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Thomas Harte
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0808e9b6fb
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Pulled the 6502 into a CPU namespace, making it an instance of something that has micro-opcodes and schedules them, and factoring out the formulation of a register pair.
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2017-05-14 22:08:15 -04:00 |
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Thomas Harte
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b81a2cc273
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First tentative steps towards adding a Z80 implementation.
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2017-05-14 17:46:41 -04:00 |
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Thomas Harte
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e01f3f06c8
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Completed curly bracket movement.
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2017-03-26 14:34:47 -04:00 |
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Thomas Harte
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031a68000a
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Added a class to contain the Pitfall 2 pager and a skeleton of initial work.
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2017-03-18 22:08:47 -04:00 |
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Thomas Harte
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c3d82f88a5
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Tidied up and commented on the Activision stack implementation.
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2017-03-18 21:01:58 -04:00 |
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Thomas Harte
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c033bad0b9
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Here's MNetwork!
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2017-03-18 20:51:49 -04:00 |
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Thomas Harte
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c31d85f820
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Re-emplaced the MegaBoy. Also cut detritus from the main Atari header.
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2017-03-18 19:02:34 -04:00 |
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Thomas Harte
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217fbf257e
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CBS RAM Plus returns.
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2017-03-18 18:56:20 -04:00 |
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Thomas Harte
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0b611a14b9
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Tigervision paging returns.
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2017-03-18 18:50:13 -04:00 |
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Thomas Harte
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df6861c9dc
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Parker Bros paging is back.
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2017-03-18 18:21:01 -04:00 |
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Thomas Harte
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a4cd12394e
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Reinstated the Activision stack pager.
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2017-03-18 18:03:48 -04:00 |
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Thomas Harte
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bb3daaa99b
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Sought to reintroduce the Atari 8k paging scheme, at the same time deciding to do away with the copy and paste of holding on to ROM data.
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2017-03-18 15:04:01 -04:00 |
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Thomas Harte
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14a76af0d3
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Started trying to float out bus control to cartridges.
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2017-03-17 20:28:07 -04:00 |
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Thomas Harte
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57ec756f5b
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Started speccing out a unit test for Atari ROM analysis.
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2017-03-11 20:33:58 -05:00 |
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Thomas Harte
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cd90118a0f
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Added two, extraordinarily simple tests.
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2017-02-12 20:32:53 -05:00 |
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Thomas Harte
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0ffded72a6
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Created a placeholder class for a factored-out TIA. There's a bit more it'll need to do, like vending (or receiving) a CRT but this is the full hardware stuff, I think.
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2017-01-28 16:19:08 -05:00 |
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Thomas Harte
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9001cc3fc2
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Added a cartridge image.
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2017-01-27 21:26:11 -05:00 |
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Thomas Harte
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015b2b49f9
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Introduced an incomplete set of file association icons.
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2017-01-26 22:21:55 -05:00 |
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Thomas Harte
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99993a1b24
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Since it's about to become important that objective results match, added a couple of objective-result tests for the CRC generator.
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2016-12-27 19:03:46 -05:00 |
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Thomas Harte
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e25195a718
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Added a single test for Storage::Time, discovering that I had the wrong sign on float conversions.
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2016-12-24 22:59:01 -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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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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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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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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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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b81c058c0a
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Factored out the Atari 2600's 6532 connection, as a low-hanging fruit.
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2016-12-03 13:41:55 -05:00 |
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