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Commit Graph

3878 Commits

Author SHA1 Message Date
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
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
Thomas Harte
4bff44377a Attempts to route Disk II requests to the thing itself. 2018-04-23 22:11:31 -07:00
Thomas Harte
7463edaa1b Attempts to bring card support to the Apple II, and adds a 'has disk' flag. 2018-04-23 21:14:45 -07:00
Thomas Harte
e92e06a5f4 Doubled down on the ROMMachine::ROMFetcher typedef. 2018-04-23 20:20:14 -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
e87a3cffd4 Merge branch 'master' into DiskII 2018-04-21 15:02:18 -07:00