Thomas Harte
1c154131f9
Expands size of storage in Cycles/HalfCycles; adjusts widely to compensate.
2019-10-29 22:36:29 -04:00
Thomas Harte
909685d87d
A drive with no disk is now happy to spin its motor.
...
It'll continue to produce index-hole events, which might not be accurate for 5.25" drives. Research to do.
2019-10-26 22:57:05 -04:00
Thomas Harte
9d17d48bca
Ensures cycles_per_revolution_ is populated for fixed-rate drives.
2019-09-28 23:23:15 -04:00
Thomas Harte
d08d8ed22c
Adds a further drift safeguard.
2019-07-26 23:23:01 -04:00
Thomas Harte
572e8b52e1
At the cost of extra storage, attempts to simplify away potential rounding issues around the index hole.
2019-07-26 17:20:32 -04:00
Thomas Harte
9b634472c6
Gets a little more rigorous on "high resolution".
2019-07-26 15:26:51 -04:00
Thomas Harte
d2bfd59953
Ensures positional continuity across rotation speed changes.
2019-07-25 22:29:54 -04:00
Thomas Harte
3d20ae47ea
Ensures cycles_since_index_hole_ is wrapped to track length.
2019-07-25 21:48:01 -04:00
Thomas Harte
cb16790330
Improves qualifiers.
2019-07-15 22:40:45 -04:00
Thomas Harte
5b05a9bc61
Extends Drive to report is_writing and so that writing works as the first action.
2019-07-12 18:53:41 -04:00
Thomas Harte
2c39229b13
Adds has-new-disk flag, allowing mounting of software from the desktop.
2019-07-12 13:17:24 -04:00
Thomas Harte
c4ab0bb867
Starts sketching out an interface for IWM drives, eliminating a dangling use of unsigned as it goes.
2019-07-10 16:05:59 -04:00
Thomas Harte
b9c2c42bc0
Switches drives to using floats for time counting.
...
Hopefully to eliminate a lot of unnecessary `Time` work; inaccuracies should still be within tolerable range.
2019-07-02 15:43:03 -04:00
Thomas Harte
877b46d2c1
Advances IWM/drive emulation very close to the point of 'Welcome to Macintosh'.
2019-06-15 16:08:54 -04:00
Thomas Harte
e9d0676e75
Fiddles further with the tachometer.
2019-06-06 21:36:19 -04:00
Thomas Harte
7591906777
Numerous IWM fixes: the machine now seems to be trying to measure the tachometer.
2019-06-06 18:32:11 -04:00
Thomas Harte
511d292e73
Ensures gain noise is forgotten upon assumption of a new track.
2019-06-05 14:43:17 -04:00
Thomas Harte
833258f3d7
Sets things up to allow variable rotation rates, and especially Sony 800kb-style self-selecting rates.
2019-06-04 21:41:54 -04:00
Thomas Harte
78c7137427
Avoids observer communication if motor status hasn't changed.
2018-08-03 21:11:22 -04:00
Thomas Harte
abc5c50b2e
Added some additional exposition.
2018-07-02 21:51:53 -04:00
Thomas Harte
abca38a548
Makes an initial removal of PCMPatchedTrack. Farewell, old friend.
2018-07-01 22:49:57 -04:00
Thomas Harte
555c2a4377
Makes a first sweep at converting the storage underlying PCMSegment to vector<bool>.
...
This is to remove another pain point, in preparation for the work immediately forthcoming but also work as-yet unknown.
2018-07-01 12:05:41 -04:00
Thomas Harte
62eef8cb40
Reinstates proper ready behaviour.
2018-06-18 21:35:39 -04:00
Thomas Harte
dde9b73a22
Creates the through-path that will be necessary for RWTS acceleration.
2018-06-09 12:51:53 -04:00
Thomas Harte
db8d8d8404
Commutes Sleeper to ClockingHint::Source, making state more granular.
2018-05-27 23:17:06 -04:00
Thomas Harte
85c4e009f3
Undoes reformatting error.
2018-05-14 20:03:32 -04:00
Thomas Harte
76802b5e38
Eliminates arc4random.
...
It seems not to be as portable as I'd hoped.
2018-05-14 20:01:20 -04:00
Thomas Harte
9f2f388e5a
Ensures generation of random noise if too many zeroes exist on a disk surface.
2018-05-14 19:17:34 -04:00
Thomas Harte
0b771ce61a
Removes all instances of the copyright symbol.
2018-05-13 15:19:52 -04:00
Thomas Harte
0cb5362c6f
Disambiguates whether Step will occur in addition to below zero/beyond maximum.
2018-05-11 21:44:08 -04:00
Thomas Harte
9089bf6535
Adds step events.
2018-05-10 21:58:14 -04:00
Thomas Harte
ef19a03efc
Drives can now deliver activity events.
2018-05-10 21:54:10 -04:00
Thomas Harte
f65c65569a
Makes disk head position explicitly something with sub-integral precision.
...
Also as a drive-by fix, corrects accidental assumption of 10 sectors for all MFMSectorDump descendants.
2018-05-06 23:17:36 -04:00
Thomas Harte
3787d094ec
Deals with potential precision pitfall.
2018-05-02 21:26:39 -04:00
Thomas Harte
79002d6962
Adds an additional assert.
2018-04-30 22:07:54 -04:00
Thomas Harte
d59db504a3
Adjusted stepper logic; some disks load now.
2018-04-25 21:59:18 -04:00
Thomas Harte
4c6dc597f4
Converts Time::get into a template, introduces a via-a-double fallback for the timed event loop.
2018-04-25 19:54:39 -04:00
Thomas Harte
376b26c1e4
Simplifies the rotational multiplier upon construction, to mitigate against scale issues later.
2018-04-24 20:16:14 -07:00
Thomas Harte
7061537ff5
Makes joined-up attempt to run data through the Disk II.
2018-04-24 19:44:45 -07:00
Thomas Harte
5aef81cf24
Commutes cross-platform #pragma marks to //MARK:s.
2017-11-12 15:59:11 -05:00
Thomas Harte
c0055a5a5f
Further builds up SConstruct, correcting many missed imports and a couple of improper uses of C99 in C++ code.
2017-11-09 22:04:49 -05:00
Thomas Harte
ec999446e8
Commutes int and unsigned casts to the functional style.
2017-10-21 21:00:40 -04:00
Thomas Harte
5e3e91373a
Switches all unsigned int and double casts to functional style.
2017-10-21 19:49:04 -04:00
Thomas Harte
b37787a414
Ensures lifetime-linked track flushing without relying on virtual calls within a destructor.
2017-10-07 19:14:18 -04:00
Thomas Harte
97a2be71e3
Introduces flush_tracks to Drive, while switching its interface to using Track::Address and adjusting associated integer types.
2017-10-06 21:45:12 -04:00
Thomas Harte
a85909198f
Adds defences against double calls to end writing.
2017-09-16 17:07:36 -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
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
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
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
