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Author SHA1 Message Date
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
Thomas Harte
fed2bc9fc9 Merge pull request #240 from TomHarte/C1540 
Simplifies the published C1540 interface and corrects a transcription bug.
 2017-09-05 21:22:25 -04:00
Thomas Harte
ff510f3b84 Explicitly disallows copying of VIAs, and marks the constructor as noexcept. 2017-09-05 21:21:23 -04:00
Thomas Harte
3b12fca417 Corrects non-recurring-pattern adaptation bug: the 'SerialPortVIA' should keep a reference to its VIA, not a copy of it. 2017-09-05 21:19:56 -04:00
Thomas Harte
8eeb7e73cd Adds a commented-out printf that I might like to use again later. 2017-09-05 21:15:56 -04:00
Thomas Harte
7fd6699e0b Corrects comment indentation. 2017-09-05 21:15:15 -04:00
Thomas Harte
ed70b15fc9 Merge pull request #239 from TomHarte/6522Tests 
Corrects 6522 bridge per has-a-not-is-a template switch.
 2017-09-04 21:58:07 -04:00
Thomas Harte
ff24e1de31 Corrects 6522 bridge per has-a-not-is-a template switch. 2017-09-04 21:56:21 -04:00
Thomas Harte
6547102511 Attempts better to hide C1540 implementation details from the reader. 
In this case not from the compiler, as it's desireable to keep `run_for` as a non-virtual call, and therefore everything else comes alone for the ride.
 2017-09-04 20:58:00 -04:00
Thomas Harte
d538ff5039 Merge pull request #238 from TomHarte/C1540 
Minor tweaks to re-enable proper file selection in the Vic-20.
 2017-09-04 20:56:54 -04:00
Thomas Harte
a49594c6a3 Tweaks Vic20 Machine parent class order so that when turned into a CRTMachine, still successfully dynamically casts as a ConfigurationTarget. 
More thorough thought is required.
 2017-09-04 20:56:00 -04:00
Thomas Harte
3544c0f014 Switches from testing size() != 0 to empty() != true. 
Partly as size() is O(n) but empty is O(1), but primarily for style.
 2017-09-04 20:54:38 -04:00
Thomas Harte
f26fe3756c Merge pull request #237 from TomHarte/6522CleanUp 
Significantly cleans up the 6522.
 2017-09-04 18:23:33 -04:00
Thomas Harte
a42ca290cb Reformulates the Oric more cleanly into the modern world. 
Specifically: now that the implementation is contained within the CPP file, there's no need to embed the keyboard, tape player and VIA port handler as private classes. Also the pain of additional syntax is reduced, so the keyboard has been bumped up to a fully data-hiding class. I've also transferred overall ownership of the tape player, AY and keyboard up to the Oric itself, with the VIA merely being wired to them, and added a whole bunch of extra documentation.
 2017-09-04 18:22:14 -04:00
Thomas Harte
da09098e49 Updates clipped area per latest CRT response to vertical sync. 2017-09-04 17:51:02 -04:00
Thomas Harte
450712f39c Improves and corrects 6522 header documentation. 2017-09-04 14:32:34 -04:00
Thomas Harte
24b3faa427 Deconstitutes the 6522 into component parts, templated and non-templated. 
Adjusts the Oric, Vic-20 and C-1540 accordingly, albeit with the quickest possible solutions.
 2017-09-04 14:26:04 -04:00
Thomas Harte
40d11ea0e3 Merge pull request #236 from TomHarte/CPUSeparation 
Further cements CPU file separation.
 2017-09-04 11:20:00 -04:00
Thomas Harte
ab2bcb939f Separates 6502Base into its constituent parts. 2017-09-04 11:08:33 -04:00
Thomas Harte
45499050b6 Separates Z80Base.cpp into its component classes. 2017-09-04 11:04:01 -04:00
Thomas Harte
0c9197df30 Merge pull request #235 from TomHarte/Reencapsulation 
Further strips back the amount exposed in Z80-related headers.
 2017-09-01 22:38:33 -04:00
Thomas Harte
a1e200cc65 Further strips back the amount exposed in Z80-related headers. 
Almost all opcode table generation macros and code now resides neatly in the world of .CPP.
 2017-09-01 22:19:16 -04:00
Thomas Harte
8a612bb6ab Merge pull request #234 from TomHarte/TidyZ80 
Separates interface and implementation of the Z80
 2017-09-01 20:54:01 -04:00
Thomas Harte
e6ac939ae0 Reintroduces missing noexcept specifier. 2017-09-01 20:51:31 -04:00
Thomas Harte
b034d4e6f8 Refactors the Z80 to separate out interface and implementation. 
Following the pattern just established by the 6502, puts all implementation specifics beyond the visibility of a human reading Z80.hpp and in subfolders so as to promote the idea that they shouldn't go out of their way.
 2017-09-01 20:50:24 -04:00
Thomas Harte
de218611e4 Corrects possible confusion as documentation recommends Cycles(0) as default, but then gives Cycles(1). 2017-09-01 20:49:24 -04:00
Thomas Harte
615f7ce176 Merge pull request #233 from TomHarte/BetterYet6502 
Removes from 6502.hpp all remaining implementation details.
 2017-09-01 19:47:49 -04:00