Thomas Harte
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c86db12f1c
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Starts implementing DMA support on the 5380.
The Macintosh doesn't actually use the DMA signals, but uses pseudo-DMA mode so they nevertheless need to be appropriate.
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2019-08-24 22:47:11 -04:00 |
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Thomas Harte
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ce2e85af8b
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Adds missing bus state callouts.
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2019-08-22 23:27:00 -04:00 |
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Thomas Harte
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2d82855f26
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Attempts to provide a data out phase.
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2019-08-22 23:16:58 -04:00 |
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Thomas Harte
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faec516a2c
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Starts pushing towards figuring out a proper infrastructure for mass storage.
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2019-08-21 23:22:58 -04:00 |
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Thomas Harte
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f668e4a54c
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Makes an attempt at getting the 5380 past arbitration.
Not entirely successful. Also gets a bit smarter with `final` on ClockingHint::Sources.
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2019-08-15 23:14:40 -04:00 |
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Thomas Harte
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b1f04ed96d
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Eliminates the crutch of PlusToo BIN files.
Thereby returning the .bin extension to the various consoles.
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2019-07-28 16:07:16 -04:00 |
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Thomas Harte
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786b26d23e
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Adds an admission of incompleteness.
I really need to figure out the 5-and-3 encoding.
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2019-07-26 23:23:40 -04:00 |
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Thomas Harte
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d08d8ed22c
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Adds a further drift safeguard.
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2019-07-26 23:23:01 -04:00 |
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Thomas Harte
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39d7e3c62c
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Ensures relative_exponents less than or equal to -32 don't overflow.
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2019-07-26 22:19:40 -04:00 |
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Thomas Harte
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572e8b52e1
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At the cost of extra storage, attempts to simplify away potential rounding issues around the index hole.
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2019-07-26 17:20:32 -04:00 |
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Thomas Harte
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9b634472c6
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Gets a little more rigorous on "high resolution".
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2019-07-26 15:26:51 -04:00 |
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Thomas Harte
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d2bfd59953
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Ensures positional continuity across rotation speed changes.
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2019-07-25 22:29:54 -04:00 |
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Thomas Harte
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3d20ae47ea
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Ensures cycles_since_index_hole_ is wrapped to track length.
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2019-07-25 21:48:01 -04:00 |
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Thomas Harte
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77333ff9f7
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It appears that file checksums are not reliable.
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2019-07-17 14:56:50 -04:00 |
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Thomas Harte
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79a624e696
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Applies more rigorous logic to deciding when to stop parsing.
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2019-07-16 18:06:54 -04:00 |
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Thomas Harte
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c123ca1054
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Slightly improves syntax.
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2019-07-16 18:05:58 -04:00 |
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Thomas Harte
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9f0f35033d
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Introduces sector interleaving.
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2019-07-16 18:05:40 -04:00 |
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Thomas Harte
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3633285aaa
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Ensures a trailing zero bit isn't dropped.
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2019-07-16 16:36:00 -04:00 |
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Thomas Harte
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cb16790330
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Improves qualifiers.
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2019-07-15 22:40:45 -04:00 |
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Thomas Harte
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ca37fd8f4c
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Corrects tag preservation.
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2019-07-15 17:15:06 -04:00 |
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Thomas Harte
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46b98dab70
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Bumps up the amount of reserved storage.
To avoid a reallocation when reading Mac data.
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2019-07-15 17:12:31 -04:00 |
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Thomas Harte
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0568996264
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Fixes a couple of data arrangement issues on output.
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2019-07-15 17:11:58 -04:00 |
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Thomas Harte
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5b05a9bc61
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Extends Drive to report is_writing and so that writing works as the first action.
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2019-07-12 18:53:41 -04:00 |
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Thomas Harte
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2c39229b13
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Adds has-new-disk flag, allowing mounting of software from the desktop.
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2019-07-12 13:17:24 -04:00 |
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Thomas Harte
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6c2cc206a6
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Takes a first stab at write support for Macintosh disk images.
Albeit that the Macintosh itself can't yet write.
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2019-07-11 18:09:37 -04:00 |
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Thomas Harte
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5a9f3cfc1e
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Completes Mac GCR decoding and its associated test.
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2019-07-11 17:37:07 -04:00 |
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Thomas Harte
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8f28b33342
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Starts work on Macintosh GCR decoding.
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2019-07-11 16:28:52 -04:00 |
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Thomas Harte
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c4ab0bb867
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Starts sketching out an interface for IWM drives, eliminating a dangling use of unsigned as it goes.
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2019-07-10 16:05:59 -04:00 |
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Thomas Harte
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3f303511bd
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Adds cstring include, in support of memcpy.
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2019-07-08 18:06:58 -04:00 |
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Thomas Harte
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b9c2c42bc0
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Switches drives to using floats for time counting.
Hopefully to eliminate a lot of unnecessary `Time` work; inaccuracies should still be within tolerable range.
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2019-07-02 15:43:03 -04:00 |
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Thomas Harte
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68a3e5a739
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Renamed DiskCopy42 to MacintoshIMG, now that it's not just DiskCopy 4.2 files.
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2019-06-18 14:32:58 -04:00 |
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Thomas Harte
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9730800b6a
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Adds support for raw sector dumps.
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2019-06-18 14:14:25 -04:00 |
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Thomas Harte
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506276a2bd
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Corrected: use format tag as intended.
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2019-06-18 14:04:28 -04:00 |
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Thomas Harte
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df56e6fe53
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Fixed: the sector number also goes into sector bodies.
Also the checksum is written in the other order, and the final byte of data isn't output.
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2019-06-18 10:34:10 -04:00 |
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Thomas Harte
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756641e837
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Fixed: tags go first, then data.
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2019-06-16 22:00:12 -04:00 |
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Thomas Harte
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05c2854dbc
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Makes at least some attempt at producing real disk tracks.
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2019-06-16 21:17:24 -04:00 |
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Thomas Harte
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5c8aacdc17
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Fixes the more obvious issues with GCR encoding: byte order, top bit selection.
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2019-06-16 17:17:24 -04:00 |
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Thomas Harte
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fe0dc4df88
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Starts building out some tests for Apple GCR encoding.
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2019-06-15 22:48:24 -04:00 |
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Thomas Harte
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33f2664fe9
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Makes a first attempt at Macintosh GCR encoding.
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2019-06-15 22:29:02 -04:00 |
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Thomas Harte
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a17e47fa43
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Apple's GCR header varies between the Mac and the Apple II.
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2019-06-15 16:32:56 -04:00 |
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Thomas Harte
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877b46d2c1
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Advances IWM/drive emulation very close to the point of 'Welcome to Macintosh'.
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2019-06-15 16:08:54 -04:00 |
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Thomas Harte
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e9d0676e75
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Fiddles further with the tachometer.
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2019-06-06 21:36:19 -04:00 |
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Thomas Harte
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7591906777
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Numerous IWM fixes: the machine now seems to be trying to measure the tachometer.
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2019-06-06 18:32:11 -04:00 |
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Thomas Harte
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08671ed69c
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Fixes setting of a Time to a float.
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2019-06-05 14:43:34 -04:00 |
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Thomas Harte
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511d292e73
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Ensures gain noise is forgotten upon assumption of a new track.
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2019-06-05 14:43:17 -04:00 |
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Thomas Harte
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833258f3d7
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Sets things up to allow variable rotation rates, and especially Sony 800kb-style self-selecting rates.
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2019-06-04 21:41:54 -04:00 |
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Thomas Harte
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b8a1553368
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Adds putative support for PlusToo-style BIN files.
Albeit a bit of a guess, since it's not intended to be an emulator file format.
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2019-06-04 21:41:09 -04:00 |
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Thomas Harte
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1033abd9fe
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Starts making some space for Macintosh-style GCR encoding.
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2019-06-04 15:41:15 -04:00 |
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Thomas Harte
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881feb1bd3
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Adds preliminary parsing of the Disk Copy 4.2 format.
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2019-06-02 13:39:25 -04:00 |
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Thomas Harte
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d97348dd38
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Eliminates dangling uses of printf.
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2019-03-02 18:07:05 -05:00 |
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