Thomas Harte
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25e2bd307a
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Sets VPA for CIA accesses; logs a little more.
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2021-08-05 20:06:48 -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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3d9f86c584
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Begins keyboard sketches and notes.
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2021-07-30 18:23:15 -04:00 |
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Thomas Harte
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3514e537ca
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Minor logging tweaks.
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2021-07-30 18:22:59 -04:00 |
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Thomas Harte
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b78090ec76
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Fixes IOPortsAndTimers classification.
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2021-07-28 19:39:42 -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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69ae9d72c8
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Remove dead non-access.
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2021-07-27 22:27:20 -04:00 |
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Thomas Harte
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604232acd9
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Establish appropriate word-size mask.
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2021-07-27 22:23:38 -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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5425b5c423
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Adds some form of WAITing to the Copper.
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2021-07-27 19:32:55 -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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d8f814f1c4
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If I'm going to push only a single colour, might as well make it fast.
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2021-07-26 21:19:43 -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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ffded619e6
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Returns track 0 found, as a guess.
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2021-07-26 18:44:01 -04:00 |
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Thomas Harte
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bcb7bb5cce
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Improves logging further.
To investigate the new perpetual loop.
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2021-07-26 17:02:30 -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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e671cc6056
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Add stubs for joystick/mouse querying.
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2021-07-26 16:21:51 -04:00 |
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Thomas Harte
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5da89b88a6
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Add missing space.
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2021-07-25 22:17:55 -04:00 |
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Thomas Harte
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5d60c1f20b
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Stubs in Paula.
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2021-07-25 22:16:31 -04:00 |
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Thomas Harte
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7fd00165c9
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Switch to [hard-coded] PAL, for now.
In the hope that I get to see some graphics soon, this should better conform to my expectations.
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2021-07-25 20:41:51 -04:00 |
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Thomas Harte
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20da194fab
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Log slightly more accurately.
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2021-07-25 19:59:24 -04:00 |
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Thomas Harte
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e3bb9fc1d7
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Increase logging.
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2021-07-23 23:10:00 -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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Thomas Harte
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86c30769d9
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Add a divide-by-ten for the CIAs.
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2021-07-23 19:25:53 -04:00 |
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Thomas Harte
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de208ead4e
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Stubs in enough to get back into a persistent loop.
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2021-07-22 22:00:53 -04:00 |
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Thomas Harte
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87d2fc1491
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Adds enough raster position to return something.
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2021-07-22 21:45:51 -04:00 |
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Thomas Harte
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2bc9af09e1
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Factors out the chipset.
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2021-07-22 21:16:23 -04:00 |
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Thomas Harte
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d1ac54fe92
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Stubs in sprite containers.
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2021-07-22 19:00:26 -04:00 |
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Thomas Harte
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9468adf737
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Stubs in Copper addresses.
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2021-07-22 18:51:23 -04:00 |
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Thomas Harte
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e85db40b0f
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Sketches out a blitter class.
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2021-07-22 18:43:07 -04:00 |
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Thomas Harte
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b3d55cc16d
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Adds non-committal reads for some write-only registers.
The hardware now proceeds to trying to talk to the Blitter. So that's next.
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2021-07-22 16:10:30 -04:00 |
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Thomas Harte
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3ee1fc544f
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Fix: (1) memory base adjustment; (2) out-of-bounds writes.
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2021-07-21 21:49:20 -04:00 |
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Thomas Harte
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ba2e5a97a9
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Provisionally adds a status LED.
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2021-07-19 22:31:36 -04:00 |
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Thomas Harte
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4515d1220c
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Switches CIA A/B byte connections; applies reset to memory map.
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2021-07-19 22:17:40 -04:00 |
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Thomas Harte
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486959bce8
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With minor additional logging, it appears the Amiga just keeps resetting itself.
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2021-07-19 21:50:35 -04:00 |
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Thomas Harte
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e1a410bf3d
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Further mildly increases logging.
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2021-07-19 20:54:32 -04:00 |
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Thomas Harte
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3767cc7c0b
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Increase logging; fix set/clear of interrupt enable mask.
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2021-07-19 19:03:37 -04:00 |
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Thomas Harte
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22dd8a8847
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Stubs onward to a second endless loop.
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2021-07-18 20:55:33 -04:00 |
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Thomas Harte
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3e2bac8129
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Stubs in enough to get to a permanent loop.
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2021-07-18 20:25:43 -04:00 |
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Thomas Harte
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c425dec4d5
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Makes some attempt to get as far as the overlay being disabled.
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2021-07-18 17:17:41 -04:00 |
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Thomas Harte
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622cca0acf
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Adds sufficient address decoding to print a more helpful exit message.
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2021-07-18 12:13:56 -04:00 |
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Thomas Harte
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48999c03a5
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Adds concept of time, captured port handler.
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2021-07-18 11:49:10 -04:00 |
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Thomas Harte
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b1616be4b8
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Gets to what is probably a CIA access?
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2021-07-17 21:36:20 -04:00 |
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Thomas Harte
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a0a9a72d8f
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Begins sketching out a memory mapper.
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2021-07-17 21:10:06 -04:00 |
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Thomas Harte
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f7de6f790c
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Meanders vaguely towards a memory map.
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2021-07-16 21:42:17 -04:00 |
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Thomas Harte
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d1f3b5ed80
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Obtains a Kickstart ROM, adds a 68000.
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2021-07-16 21:07:12 -04:00 |
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Thomas Harte
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7925dcc5a2
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Advances far enough for the Amiga to be autonomous.
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2021-07-16 20:49:12 -04:00 |
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Thomas Harte
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6ade36bf09
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Adds an empty shell of a machine.
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2021-07-16 20:30:48 -04:00 |
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