 Thomas Harte
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d6edfa5c6d
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Removes the redundant state encased within interrupt_causes_.
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2019-11-11 21:49:02 -05:00 |
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Thomas Harte
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072b0266af
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It seems status reads are not required to clear the interrupt line.
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2019-11-09 20:12:09 -05:00 |
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Thomas Harte
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5fc4e57db7
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Eliminates non-portable use of fls.
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2019-11-09 16:03:00 -05:00 |
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Thomas Harte
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e3abbc9966
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Renames what didn't end up being a whole SerialPort.
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2019-11-09 15:21:51 -05:00 |
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Thomas Harte
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8c736a639a
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Eliminates unexpected bottleneck created by ACIA.
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2019-11-09 15:00:12 -05:00 |
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Thomas Harte
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14e790746b
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Fixes return value when reading received data.
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2019-11-02 21:25:00 -04:00 |
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Thomas Harte
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75e34b4215
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Reacts to no acknowledgement.
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2019-10-31 21:00:05 -04:00 |
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Thomas Harte
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a5bbf54a27
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Adds the ability for the 68901 to decline an interrupt acknowledgement.
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2019-10-31 19:57:36 -04:00 |
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Thomas Harte
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731dc350b4
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Adds sometime real-time clocking for DMA.
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2019-10-30 22:59:32 -04:00 |
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Thomas Harte
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635e18a50d
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Ensures the MFP requests and receives real-time clocking when needed.
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2019-10-30 22:42:06 -04:00 |
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Thomas Harte
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4857ceb3eb
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Attempts to get a bit more systematic.
Spotted that interrupt_enable_ isn't being used properly while doing so, hopefully that's now correct.
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2019-10-29 23:16:08 -04:00 |
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Thomas Harte
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1c154131f9
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Expands size of storage in Cycles/HalfCycles; adjusts widely to compensate.
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2019-10-29 22:36:29 -04:00 |
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Thomas Harte
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fd02b6fc18
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Corrects in-service test; adds pending clearing upon enabled clearing.
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2019-10-28 22:51:00 -04:00 |
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Thomas Harte
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553f3b6d8b
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Properly conforms to GPIP input/output blending.
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2019-10-28 22:37:11 -04:00 |
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Thomas Harte
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a5057e6540
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Ensures that stop means stop.
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2019-10-28 22:12:45 -04:00 |
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Thomas Harte
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aa52652027
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Adds a const.
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2019-10-28 21:21:35 -04:00 |
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Thomas Harte
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5f6711b72c
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Ensures interrupt changes are notified to the delegate.
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2019-10-28 21:13:06 -04:00 |
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Thomas Harte
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de1bfb4e24
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Stores and returns timer configuration.
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2019-10-27 22:38:49 -04:00 |
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Thomas Harte
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0082dc4411
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Improves logging.
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2019-10-27 00:02:55 -04:00 |
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Thomas Harte
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22754683f8
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Ensures timer divisor values don't go out of range, adds timer interrupts.
I suspect further timer issues remain.
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2019-10-26 23:20:13 -04:00 |
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Thomas Harte
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e89be6249d
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Adds a logging prefix.
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2019-10-26 22:38:56 -04:00 |
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Thomas Harte
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e96386f572
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Takes another stab at MFP interrupt management.
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2019-10-26 15:55:19 -04:00 |
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Thomas Harte
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a8d481a764
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Writes to the pending register appear to be able to clear interrupts too.
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2019-10-25 22:46:30 -04:00 |
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Thomas Harte
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872897029e
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Attempts a complete wiring of 68901 interrupts.
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2019-10-25 22:36:01 -04:00 |
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Thomas Harte
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7a2de47f58
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Corrects interrupt mask generation.
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2019-10-24 22:37:32 -04:00 |
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Thomas Harte
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f2f98ed60c
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Attempts some part of interrupt decision making.
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2019-10-24 22:33:42 -04:00 |
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Thomas Harte
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77f14fa638
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Starts trying to make sense of interrupts.
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2019-10-23 23:09:49 -04:00 |
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Thomas Harte
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f09a240e6c
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Gives myself more trace details.
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2019-10-21 23:20:03 -04:00 |
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Thomas Harte
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e30ba58e0d
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Attempts to wire ACIA interrupt signals into the MFP.
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2019-10-21 23:02:30 -04:00 |
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Thomas Harte
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7cb82fccc0
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Attempts properly to maintain interrupt flag; adds delegate.
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2019-10-21 22:40:38 -04:00 |
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Thomas Harte
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ed9a5b0430
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Adds receipt interrupt.
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2019-10-21 21:27:57 -04:00 |
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Thomas Harte
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8f59a73425
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Corrects incoming data capture.
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2019-10-21 20:18:52 -04:00 |
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Thomas Harte
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91223b9ec8
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Sets default level to high.
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2019-10-21 20:18:33 -04:00 |
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Thomas Harte
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83f5f0e2ad
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Begins trying to receive ACIA data.
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2019-10-21 20:10:19 -04:00 |
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Thomas Harte
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cf37e9f5de
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Remove source control markers.
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2019-10-20 23:40:51 -04:00 |
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Thomas Harte
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e4f7ead894
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Merge branch 'AtariST' of github.com:TomHarte/CLK into AtariST
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2019-10-20 23:40:01 -04:00 |
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Thomas Harte
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4134463094
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The ACIA now receives bits.
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2019-10-20 23:34:30 -04:00 |
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Thomas Harte
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83d73fb088
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The keyboard now responds to a reset on its serial line.
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2019-10-20 23:13:44 -04:00 |
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Thomas Harte
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cf07982a9b
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Ensures good serial line and ACIA behaviour.
Next stop: having the intelligent keyboard react.
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2019-10-20 22:10:05 -04:00 |
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Thomas Harte
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2e86dada1d
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Ensures updates even when the event queue is empty.
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2019-10-20 20:38:56 -04:00 |
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Thomas Harte
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696af5c3a6
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Starts to transfer serial line decoding logic into the line itself.
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2019-10-20 20:38:56 -04:00 |
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Thomas Harte
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f08b38d0ae
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Silences, temporarily.
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2019-10-20 20:38:55 -04:00 |
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Thomas Harte
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9a8352282d
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Mostly but not quite fixes serial work.
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2019-10-20 20:38:55 -04:00 |
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Thomas Harte
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3d03cce6b1
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Starts working on the GPIP functionality block.
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2019-10-20 20:38:55 -04:00 |
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Thomas Harte
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34075a7674
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Attempts to tie an intelligent keyboard to the other end of its serial line.
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2019-10-20 20:38:55 -04:00 |
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Thomas Harte
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f79c87659f
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Corrects documentation error.
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2019-10-20 20:38:55 -04:00 |
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Thomas Harte
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c10b64e1c0
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Adds a received_data_ register, that presently can never fill.
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2019-10-20 20:38:55 -04:00 |
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Thomas Harte
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5d5fe52144
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Corrects transmission logic — exactly hitting write_data_time_remaining now works properly.
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2019-10-20 20:38:55 -04:00 |
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Thomas Harte
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d461331fd2
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Ensures remaining_delays_ is set properly after [reset/flush]_writing.
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2019-10-20 20:38:55 -04:00 |
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Thomas Harte
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ff62eb6dce
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The ACIA actually has two clocks, though on an ST they're both 500,000 Hz.
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2019-10-20 20:38:55 -04:00 |
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