Thomas Harte
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d90eedfc8c
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Adjust bit polarity, meaning.
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2024-04-30 22:49:26 -04:00 |
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Thomas Harte
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a997b6c677
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Wire drives for IBM-style RDY.
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2024-04-30 22:18:17 -04:00 |
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Thomas Harte
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c134c7bdc2
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Fix: signal is 'flyback', not sync.
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2024-04-10 21:53:38 -04:00 |
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Thomas Harte
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6c6cda3db5
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Use clocking hints.
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2024-04-09 22:22:03 -04:00 |
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Thomas Harte
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a5a653d684
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Factor vsync state into IO reads.
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2024-04-09 21:49:00 -04:00 |
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Thomas Harte
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ec73c00c3b
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Silence the routine stuff of interrupt masks.
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2024-04-09 20:57:57 -04:00 |
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Thomas Harte
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169298af42
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Plumb through disk insertion.
Surprisingly: some things now load.
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2024-04-08 21:15:40 -04:00 |
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Thomas Harte
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ffd298218c
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Tie off initial values; fix FIQ usage.
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2024-04-07 21:58:16 -04:00 |
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Thomas Harte
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d2b077c573
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Start wiring in a floppy controller.
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2024-04-07 21:22:35 -04:00 |
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Thomas Harte
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335d13d06d
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Mildly improve logging, define a few more ROMs.
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2024-03-30 21:49:21 -04:00 |
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Thomas Harte
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8a6bf84cff
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Keyboard: log more, ignore unrecognised commands.
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2024-03-29 20:54:07 -04:00 |
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Thomas Harte
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a0fdd8f4eb
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Resolve magic constant.
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2024-03-28 22:15:27 -04:00 |
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Thomas Harte
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bda1783624
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Make new guess at non-byte IOC reads.
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2024-03-28 22:10:49 -04:00 |
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Thomas Harte
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a2d95cb982
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Shuffle notes.
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2024-03-25 21:31:59 -04:00 |
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Thomas Harte
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1154ffd072
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Add a 'drive in use' indicator LED.
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2024-03-25 15:03:54 -04:00 |
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Thomas Harte
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8ba9708942
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Hopefully resolve the mystery of the latch writes.
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2024-03-25 14:54:30 -04:00 |
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Thomas Harte
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521fca6089
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Expose full bus to IOC dependents; add notes.
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2024-03-25 11:07:44 -04:00 |
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Thomas Harte
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ae684edbe1
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Formally decode bank/offset/type.
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2024-03-25 10:16:36 -04:00 |
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Thomas Harte
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c1602cc8fe
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The keyboard and interrupts are currently trusted.
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2024-03-23 21:49:52 -04:00 |
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Thomas Harte
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ccfc389274
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Quieten where now confident.
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2024-03-23 21:03:06 -04:00 |
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Thomas Harte
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4215edd11b
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Reduce noise.
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2024-03-23 20:12:56 -04:00 |
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Thomas Harte
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5ccb18225a
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Provide key states to the keyboard.
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2024-03-23 15:43:04 -04:00 |
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Thomas Harte
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ae6cf69449
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Move responsibility for clock division; reinstate vsync interrupt.
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2024-03-22 10:01:34 -04:00 |
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Thomas Harte
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2de1a2dd0d
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Install and properly clock a CRT.
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2024-03-21 20:41:24 -04:00 |
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Thomas Harte
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1f49c3b113
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Give sound and video somewhere to read from.
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2024-03-21 20:22:20 -04:00 |
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Thomas Harte
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417c6c4629
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Announce changes.
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2024-03-21 10:51:52 -04:00 |
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Thomas Harte
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2d6a4d490e
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Add dummy retrace interrupt.
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2024-03-21 10:02:56 -04:00 |
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Thomas Harte
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1341816791
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Break apart, switching to delegates for interrupts.
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2024-03-20 14:26:56 -04:00 |
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