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Author SHA1 Message Date
Thomas Harte
c3a2f7717b Makes attempt to implement support for the Pravetz 8D + 8DOS. 
i.e. the Disk II wired up to the Oric, with some ROM swaps.
 2018-05-08 22:05:43 -04:00
Thomas Harte
d1b889aa61
Merge pull request #424 from TomHarte/TrackDivision 
Makes disk head position explicitly something with sub-integral precision.
 2018-05-06 23:19:56 -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
1139caa83f
Merge pull request #423 from TomHarte/LanguageCard 
Implements the Apple II language card
 2018-05-06 16:18:15 -04:00
Thomas Harte
d613c3c187 Adds an implementation of the language card. 2018-05-06 16:17:11 -04:00
Thomas Harte
36f8b165cf Makes the epilogue test a bit more thorough. 2018-05-05 20:52:42 -04:00
Thomas Harte
d6e8b34942 Ensures media is passed on from the Disk II analyser. 2018-05-05 20:32:47 -04:00
Thomas Harte
4c4ab25d0e Attempts to rationalise Apple II address decoding. 2018-05-05 20:24:03 -04:00
Thomas Harte
9ff34d90f4
Merge pull request #422 from TomHarte/DiskIIAnalyser 
Introduces an analyser for Disk II-esque files.
 2018-05-05 19:35:24 -04:00
Thomas Harte
9593e0f7fe Updates SContruct file for Disk II analysis. 2018-05-05 19:34:22 -04:00
Thomas Harte
1293d8b69e Corrects various indentation errors. 2018-05-05 19:32:20 -04:00
Thomas Harte
3e0055737e Adds a genuine attempt to discern Pravetz disks from Apple. 2018-05-05 19:32:08 -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
1c0b5bb02b Corrects phoney switch of 'run' build to release. 2018-05-04 18:04:23 -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
59718e132b Fixes macOS 10.10 warning. 2018-05-03 22:39:34 -04:00
Thomas Harte
4d070fbfe3
Merge pull request #421 from TomHarte/AppleConfiguration 
Introduces configuration options for the Apple II.
 2018-05-03 19:38:29 -04:00
Thomas Harte
723ee88043 Introduces configuration options for the Apple II. 
Specifically: II or II+? Disk II 13- or 16-sector? Or not at all?
 2018-05-03 19:37:32 -04:00
Thomas Harte
65ba9ee6e7
Merge pull request #420 from TomHarte/DSKDos33 
Corrects handling of Apple II DSK files.
 2018-05-02 21:45:56 -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
af0cf0d40a
Merge pull request #419 from TomHarte/ZXLineCounter 
Simplifies the test for resetting the ZX80/81 line counter.
 2018-05-01 22:04:39 -04:00
Thomas Harte
eecea93b3b Simplifies the test for resetting the ZX80/81 line counter. 2018-05-01 21:31:37 -04:00
Thomas Harte
ac4948c4b1
Merge pull request #417 from TomHarte/DiskII 
Adds attempt at Disk II emulation.
 2018-05-01 20:34:40 -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
05e31d7594 Mutates testComplicatedTrackSeek into an actual test. 
Which frustratingly passes.
 2018-05-01 19:52:12 -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
b32538f3c8 Adds an additional test. 2018-04-30 22:05:44 -04:00
Thomas Harte
e7618bb32e Corrects types (/chickens out). 2018-04-30 22:04:05 -04:00
Thomas Harte
aacf26f05d Removed logged comment. 2018-04-30 22:03:09 -04:00
Thomas Harte
265bc80d44 Attempts to introduce sleeping to the Disk II. 2018-04-29 17:52:29 -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