Thomas Harte
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cda223ffc0
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Added explicit signedness cast.
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2017-07-25 22:49:03 -04:00 |
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Thomas Harte
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279c369a1f
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Switched to Cycles as the result from the 6502 perform_bus_operation, helping slightly to clarify what you're intended to return and reducing type jumping within the 6502 implementation.
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2017-07-25 22:21:09 -04:00 |
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Thomas Harte
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296c7cec05
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Adopted flush widely.
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2017-07-25 20:42:51 -04:00 |
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Thomas Harte
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75d67ee770
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Relocated ClockReceiver.hpp as it's a dependency for parts of the static analyser, and therefore needs to be distinct from the actual emulation parts.
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2017-07-25 20:20:55 -04:00 |
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Thomas Harte
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a1e9a54765
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Eliminated redundant uses of ClockReceiver and sought to ensure that proper run_fors are inherited all the way down.
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2017-07-25 20:09:13 -04:00 |
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Thomas Harte
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8d1dacd951
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Clean ups along the Electron::Tape line: ensured that the ClockReceiver is opted into only once, and that its run_for propagates all the way along the chain.
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2017-07-25 20:01:30 -04:00 |
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Thomas Harte
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40339a12e1
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Formalised the use of a cycles count with a divider, bringing a few additional plain-int users into the fold.
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2017-07-25 07:15:31 -04:00 |
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Thomas Harte
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90bf6565d0
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Reduced int/Cycle conversions in the Electron and on the Atari 2600, where the current framework makes it possible to do so.
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2017-07-24 22:53:13 -04:00 |
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Thomas Harte
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a6e377aa57
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The Electron's video is now a ClockReceiver.
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2017-07-24 22:36:42 -04:00 |
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Thomas Harte
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915f587ef1
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Updated the Electron's tape class to be a ClockReceiver.
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2017-07-24 21:36:30 -04:00 |
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Thomas Harte
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b7f88e8f61
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Filter is now a ClockReciever, affecting all sound output devices.
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2017-07-24 21:29:13 -04:00 |
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Thomas Harte
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8a2bdb8d22
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Converted the TimedEventLoop and the things that sit atop it into ClockReceivers.
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2017-07-24 21:19:05 -04:00 |
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Thomas Harte
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2ff157cf7a
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Switched CRTMachine over to use Cycles as an explicit statement of units, and followed through on the effects of that.
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2017-07-22 22:17:29 -04:00 |
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Thomas Harte
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83628b285b
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Experimentally turned the 6502 into a clock receiver. No problem encountered.
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2017-07-22 21:52:21 -04:00 |
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Thomas Harte
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dddb30477b
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Used a different inner-loop variable, for clarity.
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2017-07-21 21:52:08 -04:00 |
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Thomas Harte
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3f609e17b3
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Factored out the table-lookup approach to being a typer, and adjusted so as definitely to limit myself to positive offset table lookups.
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2017-07-21 21:18:51 -04:00 |
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Thomas Harte
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b3861ff755
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Reduced copying of Pulses.
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2017-07-16 19:49:31 -04:00 |
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Thomas Harte
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1d3ae31755
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Abstracted the concept of an Acorn shifter away from being a PLLParser. The Acorn tape parser now skips using that class and uses the shifter. The actual Electron also uses the shifter. So the two are completely aligned. Net result: the Electron should successfully load exactly when static analysis was successful.
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2017-07-16 19:24:01 -04:00 |
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Thomas Harte
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481487f084
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Oh yuck, it looks like I've repeated this same test in two different places. Must figure out where to factor it out to. But in the meantime, the emulated Electron has just loaded its first CSW.
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2017-07-13 22:39:30 -04:00 |
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Thomas Harte
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353c854734
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Removed a TODO that is no longer appropriate.
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2017-07-09 22:06:50 -04:00 |
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Thomas Harte
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eb8a2de5d6
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Settled definitively on flush as more communicative than synchronise (and slightly more locale neutral); culled some more duplication from the Z80.
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2017-05-15 07:38:59 -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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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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aff69dbc34
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Resolved spurious static analyser issue; screen mode will always be 0–6 but it doesn't know that. Setting a non-zero divider doesn't feel worth worrying about for a cleaner compile.
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2017-02-11 13:35:22 -05:00 |
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Thomas Harte
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f3d9aec8fc
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Fixed Electron's support for automatically booting floppy disks.
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2017-01-08 14:47:41 -05:00 |
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Thomas Harte
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8cd1575891
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Similar fix to that over in Oric land: ensure a known, effective initial value for the Plus 3's control register.
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2016-12-28 18:52:36 -05:00 |
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Thomas Harte
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4fca30b81f
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Made the Plus 3 less chatty, documented invalidate_track.
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2016-12-25 21:06:58 -05:00 |
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Thomas Harte
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3805e3d17d
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Ensured base address is set properly at construction.
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2016-12-22 22:46:02 -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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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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eb3a1fbfb7
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Commuted remaining Electron underscores. It would be nice also to factor out the video, but the time hasn't come yet.
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2016-12-03 13:01:01 -05:00 |
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Thomas Harte
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4fac538a57
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Factored out the Electron's speaker and adjusted instance variable naming.
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2016-12-03 12:41:02 -05:00 |
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Thomas Harte
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d1d93829cf
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Factored out the Tape and switched it to postfix underscores.
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2016-12-03 12:18:08 -05:00 |
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Thomas Harte
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2003b514aa
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Switched the typer to postfix underscores.
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2016-12-03 10:55:50 -05:00 |
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Thomas Harte
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2f459690d4
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It would appear the 1770 and 1773 actually differ in relation to the (non-sensical) ability not to spin-up for a Type 2, and whether a side compare can occur. So the WD1770 class now requires a personality to be specified. Which it singly fails to honour.
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2016-11-26 23:29:30 +08:00 |
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Thomas Harte
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09f965e6a9
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Fixed potential bug whereby inserting a disk into a drive that hadn't been lazily allocated yet but had already been selected wouldn't take effect.
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2016-11-22 08:11:57 +08:00 |
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Thomas Harte
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311f8c0b47
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Restored audio.
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2016-11-16 11:10:07 +08:00 |
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Thomas Harte
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45b169f341
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Made a few mapping fixes, clarified where the default reset code lives, ensured the Oric and Vic clear their keys when the typer ends.
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2016-11-05 15:28:03 -04:00 |
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