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.
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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.
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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
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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.
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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
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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
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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
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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.
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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.
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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.
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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.
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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
850a394eb5
Corrects graphics 'carry' — the potential holdover into delayed bytes.
2018-04-26 19:26:43 -04:00
Thomas Harte
244721a6f8
Corrects graphics mode address generation.
2018-04-25 22:26:01 -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
b4f6dee954
Ensures the contextually-proper boot and state machine ROMs are requested.
2018-04-24 20:25:02 -07:00
Thomas Harte
2685e9087e
Changes the default-assigned Disk II card slot from 7 to 6.
2018-04-24 20:24:44 -07:00
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
2f2390b5aa
Adds F12 as a reset key, triggers cards upon a flush.
2018-04-24 09:03:30 -07:00
Thomas Harte
99de8f1c5c
Inverts the pulse strobe.
2018-04-24 09:03:03 -07:00
Thomas Harte
af61bbc3e2
Attempts actual performance of the state machine.
2018-04-24 08:29:05 -07:00
Thomas Harte
56d88f23ef
Teeters closer and closer to trying actually to run the Disk II state machine.
2018-04-23 22:29:36 -07:00
