Thomas Harte
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5221837be8
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Fixed Non-DMA flag for the format track execution phase. The emulated machine now provides sector details.
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2017-08-13 18:51:06 -04:00 |
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Thomas Harte
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1576b4500b
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Added documentation.
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2017-08-13 18:27:00 -04:00 |
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Thomas Harte
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e1e9a06712
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Made an attempt at format a track.
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2017-08-13 18:05:19 -04:00 |
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Thomas Harte
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6e36f8ffa4
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Removed index-hole announcement.
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2017-08-13 12:50:24 -04:00 |
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Thomas Harte
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b0a7208cc7
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Strung together a very basic version of 8272 write [/deleted] data. Lots of cases as-yet unhandled.
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2017-08-13 12:50:07 -04:00 |
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Thomas Harte
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eec42aa7ae
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Entrusted further status to drives; also adjusted them to report read only if diskless, which I now believe to be correct.
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2017-08-13 11:50:49 -04:00 |
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Thomas Harte
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6d2e969e7d
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Merge pull request #193 from TomHarte/8272Style
Improves 8272 implementation style
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2017-08-12 18:05:27 -04:00 |
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Thomas Harte
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5f42022c1d
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Added a tester for the control mark.
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2017-08-12 17:35:14 -04:00 |
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Thomas Harte
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11d0c37506
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Attempted to find a more expressive way for maintaining state — macros for all conditions, to bind both values and destinations.
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2017-08-12 17:33:52 -04:00 |
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Thomas Harte
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58bad1e2a3
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Merge branch 'PerDriveStatus'
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2017-08-12 16:49:38 -04:00 |
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Thomas Harte
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27d1dc5c37
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Removed some old printfs.
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2017-08-12 16:49:20 -04:00 |
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Thomas Harte
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e7345c7a20
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Merge pull request #192 from TomHarte/PerDriveStatus
Expands 8272 emulation further
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2017-08-12 16:49:06 -04:00 |
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Thomas Harte
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186048a88e
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Made an attempt to fix the condition for setting a broken header CRC.
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2017-08-12 16:39:32 -04:00 |
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Thomas Harte
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7135259cc1
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Sought to flesh out error conditions.
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2017-08-12 16:36:37 -04:00 |
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Thomas Harte
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4909325e79
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Implemented read deleted data.
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2017-08-12 13:01:17 -04:00 |
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Thomas Harte
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a4ee697ed1
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Quickie: head unload is scheduled only if the head is presently loaded.
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2017-08-12 12:53:45 -04:00 |
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Thomas Harte
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0f15a2f97f
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Relented: it actually looks like status bytes aren't per-drive. But each drive may fail at seeking individually. So that piece of state accumulates at the 8272 drive.
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2017-08-12 12:52:36 -04:00 |
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Thomas Harte
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89ace671a4
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Corrected unload time. Was 8000 times too short.
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2017-08-12 09:44:01 -04:00 |
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Thomas Harte
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e7db2a2f6d
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Sought to introduce head loading and unloading delays.
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2017-08-12 09:36:21 -04:00 |
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Thomas Harte
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8c33ac71ee
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Merge pull request #191 from TomHarte/Precache
Introduces more aggressive caching of sectors in the MFM decoder, improves CPC static analysis further
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2017-08-12 09:10:29 -04:00 |
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Thomas Harte
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69914faf02
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Fixed comments.
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2017-08-11 20:22:14 -04:00 |
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Thomas Harte
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daafebe7ac
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Moved curly bracket.
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2017-08-11 19:19:04 -04:00 |
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Thomas Harte
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2d81acb82e
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Upped C++ standard to C++14 and added an #if that's intended to use the built-in std::gcd when compiled on C++17 or better. Fixed for new signedness warnings resulting for taking the step to C++14.
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2017-08-11 19:18:45 -04:00 |
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Thomas Harte
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82ca49c840
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Adjusted to avoid calls to ::greatest_common_divisor(numerator % denominator, denominator) unless necessary.
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2017-08-11 19:05:46 -04:00 |
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Thomas Harte
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bfe297052d
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Picked up another subtlety: disk names may be outside of the ones a user could type, in which case they definitely don't affect the decision.
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2017-08-11 18:59:38 -04:00 |
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Thomas Harte
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ffb1a14ace
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Minor: clear status registers before a read data.
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2017-08-11 18:56:33 -04:00 |
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Thomas Harte
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7e35e44934
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Added an extra sanity check on treating system disks as system disks.
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2017-08-11 18:46:39 -04:00 |
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Thomas Harte
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0c8769e335
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Just to be safe.
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2017-08-11 18:41:08 -04:00 |
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Thomas Harte
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83c7d34df2
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Switched to populating the sector cache with everything in a track the first time anything on that track is requested. That avoids the problem whereby each request of a non-existent sector costs two spins.
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2017-08-11 18:40:16 -04:00 |
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Thomas Harte
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ad3c9842d7
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Merge pull request #190 from TomHarte/SingleImplicit
Corrects a couple of CPC static analysis pitfalls
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2017-08-11 16:41:03 -04:00 |
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Thomas Harte
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44dace2eef
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Made an attempt not to interrogate files that definitely don't have the normal header.
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2017-08-11 16:34:29 -04:00 |
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Thomas Harte
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a12671010a
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Sector size is now reported, and CRC failures are merely indicated, not cause for a sector to be thrown away.
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2017-08-11 16:23:33 -04:00 |
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Thomas Harte
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23c149368b
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Broadened CPC data disk analysis to spot when there is only one implicitly-runnable file, rather than only one without suffix.
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2017-08-11 16:23:00 -04:00 |
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Thomas Harte
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09716d4716
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Merge pull request #189 from TomHarte/CPCSystemDisks
Corrects analysis of CPC system disks
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2017-08-11 15:56:35 -04:00 |
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Thomas Harte
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4b7c504d22
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Corrects analysis of system disks — they have a catalogue that is correct read, but can be launched without reference to it.
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2017-08-11 15:55:33 -04:00 |
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Thomas Harte
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1e4f9d4eda
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Merge pull request #188 from TomHarte/AYFidelity
Switches to guessing that the AY doesn't reset its dividers upon frequency changes
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2017-08-11 14:50:11 -04:00 |
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Thomas Harte
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e4f04d0977
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Merge branch 'master' into AYFidelity
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2017-08-11 14:41:08 -04:00 |
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Thomas Harte
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0f75525640
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Merge pull request #187 from TomHarte/CRCErrors
Extends the built-in [M]FM encoder to be able to produce incorrect CRC values, and adjusts the CPC .DSK handler to request them when appropriate
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2017-08-11 14:34:31 -04:00 |
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Thomas Harte
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edb088526f
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Simplified slightly, and updated TODO as to still-missing functionality.
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2017-08-11 14:33:34 -04:00 |
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Thomas Harte
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80ebc63101
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Updated the SSD file format container to specify sector sizes, now that it's no longer implicit.
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2017-08-11 14:30:35 -04:00 |
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Thomas Harte
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cf1403bc79
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Increased documentation.
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2017-08-11 14:27:07 -04:00 |
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Thomas Harte
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fcf63a7547
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Expands the [M]FM encoder to respect some new Sector flags: it will now wilfully make CRC errors, omit data, include data that is different than the ID's declared length, write deleted data, and can be commanded as to header/data gaps and what should be within them. All based around expanding towards the needs for reproduction of the CPC's .DSK file format.
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2017-08-11 14:24:50 -04:00 |
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Thomas Harte
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9c0b75faba
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Merge pull request #186 from TomHarte/CPCTyper
Introduces typer support for the Amstrad CPC.
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2017-08-11 12:35:43 -04:00 |
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Thomas Harte
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1f2bfc9581
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Ensured tape loading really begins.
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2017-08-11 12:30:36 -04:00 |
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Thomas Harte
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14ab03d1e0
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Added a further fallback: if all files have an extension but one doesn't, take that one.
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2017-08-11 12:27:50 -04:00 |
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Thomas Harte
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3831fbaca2
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Ensured the ZX80 and '81 also provide the necessary hook for destruction.
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2017-08-11 12:11:01 -04:00 |
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Thomas Harte
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1d8edf58dd
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Ensured that a virtual destructor is declared, so that the various automatically-generated real constructors get in on the action.
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2017-08-11 12:07:48 -04:00 |
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Thomas Harte
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4785e316ff
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Now with exposition.
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2017-08-11 11:36:03 -04:00 |
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Thomas Harte
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44da9de5b0
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Tweaked typing timing expectations.
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2017-08-11 11:35:28 -04:00 |
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Thomas Harte
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4ecd093891
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Fixed test for termination of a key sequence; the previous error will have seen this reduce all multi-key sequences to just the one, and expand single-key sequences to "probably" two, posting an out-of-bounds code to the machine at completion.
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2017-08-11 11:35:14 -04:00 |
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