Thomas Harte
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1b69ad0fd4
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This attempts to implment sector reading. DFS reports an error.
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2016-09-24 22:29:02 -04:00 |
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Thomas Harte
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ce4100e5b9
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Fixed slots for DFS and ADFS to sideways RAM; continued working on the 1770 to get as far as trying to get the body of a sector.
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2016-09-24 22:04:54 -04:00 |
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Thomas Harte
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7154e8986e
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Fixed stepping delay.
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2016-09-24 20:16:23 -04:00 |
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Thomas Harte
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53522e28e2
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Performed an about-face on how this should probably be implemented. Now forsaking the state machine in favour of a macro'd switch-for-cooperative-event-based-messaging implementation. Let's see how this ends up looking.
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2016-09-24 20:12:45 -04:00 |
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Thomas Harte
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88bbeedad3
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Set actual bit length.
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2016-09-22 21:28:23 -04:00 |
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Thomas Harte
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75eb62b577
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One painful step at a time, this now starts the disk rotating and gets as far as deciding whether it's about to head off on a read or a write.
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2016-09-22 21:25:31 -04:00 |
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Thomas Harte
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8db0030068
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Fixed ROM loading by the Electron, turned the WD1770 into a 'disk drive' (it'll do for now), persuaded it to get all the way through a very specifically convenient type 1 command.
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2016-09-20 22:14:33 -04:00 |
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Thomas Harte
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7a34ae0da6
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This is the start of my slog through type 1 commands. I kind of need to figure out what I'm doing about drives and PLLs now though.
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2016-09-20 16:58:23 -04:00 |
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Thomas Harte
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3b97b038b9
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Corrected and sketched out state machine far enough to get to a complaint about unhandled work.
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2016-09-20 15:56:31 -04:00 |
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Thomas Harte
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a9e65e9b7a
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Tweaked disk side density, added call-outs to a WD1770 if the Electron had one (albeit without run_for_cycles yet as I need to figure out the clock rate), added a shell of the basic functions of the WD1770. No implementation yet.
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2016-09-19 22:06:56 -04:00 |
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Thomas Harte
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e3daf80564
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Added a file for the 1770, at least.
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2016-09-17 18:01:00 -04:00 |
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