Thomas Harte
3fdefb94e4
Removes requirement for correct sector epilogues.
...
It's now a length test that at present accepts 6-and-2 sectors only.
2018-05-12 23:03:08 -04:00
Thomas Harte
49592ebaf3
Ensures initialisation of scanner and that sectors overlapping the end of track are captured.
2018-05-12 18:42:07 -04:00
Thomas Harte
f410dcb3f3
Ensures proper test: not having a number of sectors that is a multiple of the track count.
2018-05-12 18:05:33 -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
25f7e3af31
Removes dead debugging aid. What a klutz!
2018-05-09 22:24:20 -04:00
Thomas Harte
8ee34fafa6
Switches default DSK volume to 254. That seems to resolve Pravetz booting issues.
2018-05-09 20:28:58 -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
36f8b165cf
Makes the epilogue test a bit more thorough.
2018-05-05 20:52:42 -04:00
Thomas Harte
1293d8b69e
Corrects various indentation errors.
2018-05-05 19:32:20 -04:00
Thomas Harte
ba7fbc4032
Reroutes all Disk II types through the Disk II analyser and returns actual sector from the Apple GCR parser results.
2018-05-05 16:37:33 -04:00
Thomas Harte
c36d7b4972
Makes first attempt at 6 and 2 decoder.
2018-05-04 23:11:12 -04:00
Thomas Harte
0dece80b5d
Improves documentation.
2018-05-04 18:02:55 -04:00
Thomas Harte
e3b4aebf1a
Introduces the Disk II as a unique media target platform.
...
As it makes a little more sense to analyse Apple GCR images to determine target platform than it does to have the potential platforms vote over them.
Also starts on the parser that'll be necessary for making a decision.
2018-05-04 18:02:36 -04:00
Thomas Harte
2e20191c01
Relocates and cleans up what is currently written of Apple GCR handling as the encoder.
...
A decoder will be forthcoming.
2018-05-03 22:40:45 -04:00
Thomas Harte
fcc750784a
Switches interleaving logic around: having inspected some NIBs sectors are numbered in order, but scatter read from the image.
2018-05-02 21:28:18 -04:00
Thomas Harte
3787d094ec
Deals with potential precision pitfall.
2018-05-02 21:26:39 -04:00
Thomas Harte
4b4ea4a103
Corrects final two bytes of Apple GCR low nibble encoding.
2018-05-02 21:06:18 -04:00
Thomas Harte
5e34c1b6b8
Switches to producing a single segment for NIBs and DSKs.
...
I've now seemingly verified that the values read back by the CPU are those I'm intending to produce, so I'm at a loss.
2018-05-01 20:31:42 -04:00
Thomas Harte
f4097290c2
Made various corrections following a quick for-loop constness audit.
2018-04-30 22:23:57 -04:00
Thomas Harte
9da481b060
Slightly simplifies syntax.
2018-04-30 22:08:51 -04:00
Thomas Harte
79002d6962
Adds an additional assert.
2018-04-30 22:07:54 -04:00
Thomas Harte
dbd9282efc
Experimentally switches to doubles for TimedEventLoop time tracking.
2018-04-30 22:07:17 -04:00
Thomas Harte
10c0e687f5
Attempts to introduce sleeping for the Disk II.
2018-04-29 17:51:10 -04:00
Thomas Harte
a9d4fe0b41
Introduces filetype wiring for DO and PO files.
...
Also corrects sector numbering logic to ensure there is a sector 15.
2018-04-29 16:34:10 -04:00
Thomas Harte
5cd15147eb
Introduces interleaving of sector numbers.
2018-04-29 16:18:14 -04:00
Thomas Harte
c62db6665a
Corrects storage of lower two bit pairs.
...
It turns out the non-integral result of 256/3 is handled differently than my guess.
2018-04-29 11:20:23 -04:00
Thomas Harte
fabcb261dc
Corrects data prologue usage and off-by-one error in checksum placement.
2018-04-28 23:17:06 -04:00
Thomas Harte
45cf28e0eb
Corrects sync lengths.
2018-04-28 15:48:49 -04:00
Thomas Harte
5b35c88be2
Corrections: data segments now correctly announce their number of bits, and tracks aren't oversized.
2018-04-28 15:47:50 -04:00
Thomas Harte
7f03f5d02f
Makes a first attempt at six-and-two encoding for DSKs.
2018-04-28 15:18:48 -04:00
Thomas Harte
b98d5b790a
Finally unifies disk image file exceptions, and adds a placeholder for Apple DSK.
2018-04-27 23:18:45 -04:00
Thomas Harte
5c74044e62
Unifies constants.
2018-04-27 21:38:08 -04:00
Thomas Harte
992a99d792
Improves validation of suspected sync regions.
2018-04-27 19:53:35 -04:00
Thomas Harte
41075356e2
Makes a first attempt at NIB support.
2018-04-26 22:49:07 -04:00
Thomas Harte
d59db504a3
Adjusted stepper logic; some disks load now.
2018-04-25 21:59:18 -04:00
Thomas Harte
c90e122eb2
Switches casts around to avoid potential undefined behaviour of left-shifting signed numbers.
2018-04-25 19:59:32 -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
4cbe5068a9
Works further towards NIB, but still isn't close.
2018-04-23 20:01:12 -07:00
Thomas Harte
38b2302b59
Corrects minor documentation errors.
2018-04-23 19:59:19 -07:00
Thomas Harte
bce0702745
Makes some faulty steps further towards providing Apple GCR assistance.
2018-04-23 19:59:03 -07:00
Thomas Harte
d447e81abd
Adds provisional support for WOZ files.
2018-04-23 19:57:45 -07:00
Thomas Harte
6592745e53
Adds the bare minimum to respond to attempts to open NIB files with an Apple II.
2018-04-21 21:21:57 -07:00
Thomas Harte
72bc5f8d7b
Adds a class to contain the Disk II and begins Apple GCR conversion routines.
2018-04-21 14:33:42 -07:00
Thomas Harte
079dc671e1
Rationalises per-machine static analyser call pattern, and adds Apple II as an option.
2018-04-14 12:12:12 -04:00
Thomas Harte
e1c4035812
Switches away from C strings and allows Vic-20 region inference from filenames.
2018-04-06 17:42:24 -04:00
Thomas Harte
3bb496f9ae
Enforces a maximum sector size to avoid impossible sizes.
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Such as 128 * 2^255.
2018-03-22 22:00:26 -04:00
