Thomas Harte
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003162f710
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Limit to specific purpose.
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2021-10-22 16:16:19 -07:00 |
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Thomas Harte
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040ac93042
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Takes a shot at the vertical stuff of sprite DMA.
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2021-10-22 14:32:59 -07:00 |
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Thomas Harte
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b489ba3d0d
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Adds sprite DMA windows.
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2021-10-22 13:07:20 -07:00 |
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Thomas Harte
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c5e8b547af
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Captures the attach flag and observes activation rule.
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2021-10-22 11:21:58 -07:00 |
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Thomas Harte
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e67de90ad0
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Starts to bring sprites inside DMADevice orthodoxy.
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2021-10-21 21:57:46 -07:00 |
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Thomas Harte
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c3c84c88a1
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Switch to ahead-of-time planar to chunky conversion.
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2021-10-21 20:48:57 -07:00 |
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Thomas Harte
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0dc9c4cee1
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Undo hard-coding of fetch window.
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2021-10-19 15:18:39 -07:00 |
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Thomas Harte
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253a199f27
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Fire sync-match interrupt upon any match.
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2021-10-14 16:36:17 -07:00 |
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Thomas Harte
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9be23ecc34
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Add end-of-Blit interrupt.
Along with a slightly easier path for posting interrupts, in C++ compilation unit terms.
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2021-10-13 15:09:19 -07:00 |
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Thomas Harte
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7733fef3bd
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DSKLEN has to be written twice.
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2021-10-11 06:16:01 -07:00 |
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Thomas Harte
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eb157f15f3
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Adds index hole interrupt.
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2021-10-09 04:08:59 -07:00 |
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Thomas Harte
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d6e2a3f425
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Make a first attempt to spool into RAM.
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2021-10-08 18:11:47 -07:00 |
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Thomas Harte
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b47ca13ed3
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Push disk data onwards.
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2021-10-08 17:18:11 -07:00 |
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Thomas Harte
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5899af0038
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Starts accumulating disk data.
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2021-10-07 05:11:32 -07:00 |
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Thomas Harte
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20bad38d42
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Add drive activity lights.
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2021-10-06 04:54:40 -07:00 |
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Thomas Harte
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2253ff656a
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Adds route for inserting disks.
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2021-10-05 16:12:30 -07:00 |
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Thomas Harte
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18631399ad
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Attempts to clock the disk controller.
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2021-10-05 15:38:56 -07:00 |
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Thomas Harte
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647ec770ce
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Implements motor latching, drive ID shift registers.
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2021-10-05 05:12:01 -07:00 |
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Thomas Harte
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674941abdf
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Starts to add a disk controller.
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2021-10-04 16:45:05 -07:00 |
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Thomas Harte
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b3f0ca39ed
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Adds some unused drives.
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2021-10-04 08:12:13 -07:00 |
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Thomas Harte
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5ccb512883
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Moves the CIAs into the Chipset class.
This reflects the routing of interrupt signals for now, but also prepares for the addition of disk drives.
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2021-10-04 06:44:54 -07:00 |
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Thomas Harte
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0b9ebafc0f
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Flip bit deserialisation order.
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2021-09-28 22:12:13 -04:00 |
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Thomas Harte
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e15f1103a0
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Takes a shot at low resolution shifting.
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2021-09-20 19:00:52 -04:00 |
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Thomas Harte
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a4263b5a8c
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Ties bitplane collection to line position.
Outgoing bug: incrementing the video relative offset too often, due to cycles that are discovered to be CPU-targetted.
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2021-09-19 21:55:45 -04:00 |
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Thomas Harte
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245b7baa61
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Moves the Copper into its own file.
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2021-09-16 21:17:23 -04:00 |
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Thomas Harte
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0eeaaa150a
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Correct Copper start address.
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2021-09-16 21:01:37 -04:00 |
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Thomas Harte
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6572efe2a7
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Clarifies word addressing.
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2021-09-16 08:24:52 -04:00 |
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Thomas Harte
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add11db369
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Factors out DMADevice, which is now a parent of Blitter.
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2021-09-14 20:51:32 -04:00 |
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Thomas Harte
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fd70f7ad43
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Attempts to make pixel content observeable.
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2021-09-08 20:57:26 -04:00 |
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Thomas Harte
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6e034c9b7f
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At least manages to place a pixel region on screen.
Albeit that I've suddenly realised that I've failed properly to think about high-res versus low-res.
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2021-08-11 20:31:37 -04:00 |
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Thomas Harte
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52e375a985
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Move towards playfield decoding.
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2021-08-11 18:47:35 -04:00 |
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Thomas Harte
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10a5e7313f
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Makes a buggy first attempt at bitplane data collection.
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2021-08-10 21:28:48 -04:00 |
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Thomas Harte
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ec9cb21fae
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Starts towards bitplane collection.
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2021-08-10 19:01:41 -04:00 |
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Thomas Harte
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e412927415
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Logs a bit more from the Blitter, gives it access to slots.
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2021-08-10 07:17:01 -04:00 |
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Thomas Harte
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dda154c7c6
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Adds nonsense disk reads, which seems to lead to bitplane and blitter requests.
Progress, at last!
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2021-08-09 20:31:14 -04:00 |
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Thomas Harte
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9215535bee
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Adds a container for the disk controller.
Thereby appears to prove that my Amiga is getting as far as attempting to load from floppy.
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2021-08-09 17:35:09 -04:00 |
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Thomas Harte
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1502c4530e
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Takes a further step towards real timing.
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2021-08-08 21:52:28 -04:00 |
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Thomas Harte
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1bae4973bc
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Post the serial control write onwards.
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2021-07-30 18:24:27 -04:00 |
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Thomas Harte
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759007ffc1
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Attempts to route CIA interrupts.
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2021-07-28 19:36:30 -04:00 |
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Thomas Harte
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82205d71cc
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Breaks up loop for arithmetic simplicity.
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2021-07-27 21:59:27 -04:00 |
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Thomas Harte
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402eab10f8
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Breaks video output while attempting to pull it into the main loop.
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2021-07-27 21:33:07 -04:00 |
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Thomas Harte
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b6bf4d73ad
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Blitter-finished bit aside, attempts to complete the Copper.
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2021-07-27 21:10:14 -04:00 |
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Thomas Harte
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29cd8504ca
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Implements enough Copper to get a first store.
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2021-07-27 19:06:16 -04:00 |
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Thomas Harte
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3544746934
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Modifies interface, starts on scheduler.
Probably corrects the pixel clock, which I think was scaled up by a factor of 4.
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2021-07-27 16:41:18 -04:00 |
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Thomas Harte
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a43175125a
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Assuming I'm going to keep this synchronous, extends function signature.
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2021-07-26 20:13:06 -04:00 |
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Thomas Harte
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1d03bc560a
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Stores the colour palette, uses entry 0 as my new always output.
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2021-07-26 18:59:11 -04:00 |
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Thomas Harte
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3832acf6e3
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Produces a static white box, at least.
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2021-07-26 18:51:01 -04:00 |
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Thomas Harte
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7894b50321
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Starts towards an actual pixel output loop.
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2021-07-26 18:44:20 -04:00 |
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Thomas Harte
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87dcd82f69
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Makes a first attempt at some sort of interrupt functionality.
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2021-07-26 16:40:42 -04:00 |
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Thomas Harte
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d898a43dff
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Implements time-of-day counters, provisionally.
Interrupts to do.
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2021-07-23 21:24:07 -04:00 |
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