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Author SHA1 Message Date
Thomas Harte
631f630549 Severs the MFM parser from the overweight single MFM.hpp. 2017-09-24 20:31:19 -04:00
Thomas Harte
2a08bd9ecc Factors shifting plus stateful [M]FM token recognition out of the MFMDiskController. 
Given the proliferation of MFM-related classes, establishes a subdirectory for them.
 2017-09-24 20:07:56 -04:00
Thomas Harte
f789ee4ff0 Introduces a track to segment decoder. 
This will be needed to make formats like G64 and HFE writeable, but probably also will be usable to speed up static analysis.
 2017-09-23 22:39:19 -04:00
Thomas Harte
a295b42497 Merge pull request #248 from TomHarte/BetterCPCShot 
Adds a better example of correct-aspect-ratio CPC output
 2017-09-22 23:05:01 -04:00
Thomas Harte
d8337492cc Bowdlerised images. 2017-09-22 23:02:17 -04:00
Thomas Harte
15c8debc16 Added larger CPC screenshots. 2017-09-22 22:58:18 -04:00
Thomas Harte
67af153c16 Merge pull request #247 from TomHarte/WriteableHFE 
Cleans up the `Disk` hierarchy
 2017-09-22 22:55:22 -04:00
Thomas Harte
d72dad2d1a Severs the DiskImage implementation from its public header file. 2017-09-22 22:46:31 -04:00
Thomas Harte
698e4fe550 Tidies the Disk file hierarchy. 2017-09-22 22:39:23 -04:00
Thomas Harte
b5406b90cd Introduces a new class hierarchy for disk images. 
Increasing independence of format-specific stuff and generic caching without mangling them into a common namespace, and allowing in some cases for a decrease in read/write blocking.
 2017-09-22 20:28:11 -04:00
Thomas Harte
05a93ba237 Merge pull request #246 from TomHarte/MainThreadBackingSize 
Ensures self.bounds and -convertSizeToBacking: are called only on the main queue.
 2017-09-20 20:00:45 -04:00
Thomas Harte
77548d14db Ensures self.bounds and -convertSizeToBacking: are called only on the main queue. 2017-09-20 19:59:34 -04:00
Thomas Harte
b85dd608e7 Merge pull request #245 from TomHarte/Xcode9 
Updates to Swift 4 and Xcode 9's recommended project settings.
 2017-09-20 19:54:31 -04:00
Thomas Harte
231f13d810 Updates to Swift 4 and Xcode 9's recommended project settings. 2017-09-19 23:06:37 -04:00
Thomas Harte
704bfa114c Merge pull request #244 from TomHarte/FasterStartup 
Improves CPC analysis times
 2017-09-16 22:07:43 -04:00
Thomas Harte
44a56724cb Speeds up byte decoding within sectors for the ahead-of-time MFM parser. 2017-09-16 20:28:24 -04:00
Thomas Harte
5fbea625ae Switches the CPC static analyser to maintaining a vector of pointers rather than a complete copy of files. 
Hence saves a lot of copying and moving — around a second's worth when dealing with the selected test disk.
 2017-09-16 20:15:06 -04:00
Thomas Harte
ac57b37e96 Eliminates repetition of the 'untypable character' test. 2017-09-16 19:46:41 -04:00
Thomas Harte
e3e9baeaa4 Merge pull request #243 from TomHarte/Detection 
Adds a test that file extension also be typeable.
 2017-09-16 19:11:53 -04:00
Thomas Harte
e071123f90 Adds a test that file extension also be typeable. 2017-09-16 19:10:17 -04:00
Thomas Harte
98adb01721 Merge pull request #242 from TomHarte/8272ReadyInterruption 
Improves CPC disk emulation
 2017-09-16 18:28:00 -04:00
Thomas Harte
d6a5f9a29e Revokes unnecessary change. 2017-09-16 18:24:13 -04:00
Thomas Harte
0d84b4b9dd Removes some redundant end_writing calls. 2017-09-16 17:09:17 -04:00
Thomas Harte
a85909198f Adds defences against double calls to end writing. 2017-09-16 17:07:36 -04:00
Thomas Harte
98751e6ac8 Ensures that all result phases are exactly the intended length by replacing accumulation with assignment. 
Also attempts a different version of control mark behaviour. Experiments.
 2017-09-15 22:59:26 -04:00
Thomas Harte
da082673d7 Drives now have a finite number of heads. 
The Amstrad volunteers itself to be single sided. Everything else stays as it was.
 2017-09-15 21:18:36 -04:00
Thomas Harte
35fe4d50d4 Adds command termination upon drive becoming unready, and copies head and drive selection into ST0. 2017-09-15 20:26:41 -04:00
Thomas Harte
b835cb73e2 Merge pull request #241 from TomHarte/DriveEvents 
Devolves `TimedEventLoop` ownership from disk controllers to drives
 2017-09-15 19:15:44 -04:00
Thomas Harte
662d031e3c Adds exposition on the meaning of a disk controller being in write mode. 2017-09-15 19:14:36 -04:00
Thomas Harte
bf20c717fb The Drive now no longer produces input when in writing mode — other than announcing the index hole. 2017-09-14 22:32:13 -04:00
Thomas Harte
4d4a0cf1d2 Puts the disk controller back into the loop with knowledge about reading mode, and uses that knowledge to cut off the PLL. 2017-09-14 22:30:40 -04:00
Thomas Harte
b62f3e726a Adds a start-of-execution-phase get-out for drives that aren't ready. 2017-09-12 20:43:53 -04:00
Thomas Harte
82b13e98f2 Implements the real hardware ready test for Drives — motor on plus two index holes. 2017-09-11 22:27:50 -04:00
Thomas Harte
9ac831b09c Added an additional protection against overflow. 2017-09-11 22:24:24 -04:00
Thomas Harte
42616da7ff Adjusts the Oric Microdisc to propagate motor control more widely. 2017-09-11 22:15:54 -04:00
Thomas Harte
2f13517f38 Adjusts the 1770 not to talk directly to the drive about motor status. 2017-09-11 22:10:56 -04:00
Thomas Harte
fb9fd26af7 Updates the 1540 for the slightly-more modern world of decoupled drives and disks (!). 2017-09-11 22:08:10 -04:00
Thomas Harte
d3c385b471 Separates the 8272's drive selection signalling from actual drive ownership. 
Thereby returns working motor control to the CPC.
 2017-09-11 21:25:26 -04:00
Thomas Harte
96bf133924 Withdraws requirement for DiskController users to specify a PLL multiplier or to provide rotation speed. 
In the latter case because it's no longer of any interest to the controller, and in the former because I'd rather it be picked automatically.
 2017-09-10 22:56:05 -04:00
Thomas Harte
6d6cac429d Fixes extra time accumulation during track running. 
Introduces a bunch of further asserts, which aided me in determining the fix, i.e. that Drives being responsible for their own setup_track could double-pump the event loop.
 2017-09-10 22:44:14 -04:00
Thomas Harte
dc0b65f9c9 Corrects initial event loop timing state. 2017-09-10 20:51:21 -04:00
Thomas Harte
8882aa496f Corrected wiring to get advance signals through to Drive event delegates. 2017-09-10 20:51:05 -04:00
Thomas Harte
0622187ddf Strips Controller of all capabilities now housed on the Drive. 2017-09-10 19:23:23 -04:00
Thomas Harte
523e1288fa Updates the MFM parser to use SingleTrackDisk rather than the equivalent withdrawn Drive functionality. 2017-09-10 17:34:52 -04:00
Thomas Harte
1a96cce26f Implements SingleTrackDisk, a Disk that contains only a single, specified, track. 2017-09-10 17:34:14 -04:00
Thomas Harte
a4e275e1fc Provides an implementation of Drive's new interface. 
Mostly lifted from DiskController. `set_disk_with_track` has been withdrawn in favour of providing a suitable wrapper `Disk` subclass, as being an unnecessary complexity and intermingling of concerns.
 2017-09-10 17:33:01 -04:00
Thomas Harte
6075064400 Adds the ability to query a TimedEventLoop for its input clock rate. 2017-09-10 17:31:43 -04:00
Thomas Harte
ff6e65cca9 Introduces necessary storage and interface for writing. 2017-09-10 16:23:31 -04:00
Thomas Harte
90d2347c90 Extended to permit subclasses that are interested to get sub-run_for information about event times. 2017-09-10 14:44:38 -04:00
Thomas Harte
90c7056d12 Started devolving timed event loop logic down to the drives, moving them closer to modelling real life. 2017-09-10 14:43:20 -04:00