8167 Commits

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Author	SHA1	Message	Date
Thomas Harte	29cd8504ca	Implements enough Copper to get a first store.	2021-07-27 19:06:16 -04:00
Thomas Harte	3544746934	Modifies interface, starts on scheduler. ... Probably corrects the pixel clock, which I think was scaled up by a factor of 4.	2021-07-27 16:41:18 -04:00
Thomas Harte	d8f814f1c4	If I'm going to push only a single colour, might as well make it fast.	2021-07-26 21:19:43 -04:00
Thomas Harte	a43175125a	Assuming I'm going to keep this synchronous, extends function signature.	2021-07-26 20:13:06 -04:00
Thomas Harte	1d03bc560a	Stores the colour palette, uses entry 0 as my new always output.	2021-07-26 18:59:11 -04:00
Thomas Harte	3832acf6e3	Produces a static white box, at least.	2021-07-26 18:51:01 -04:00
Thomas Harte	7894b50321	Starts towards an actual pixel output loop.	2021-07-26 18:44:20 -04:00
Thomas Harte	ffded619e6	Returns track 0 found, as a guess.	2021-07-26 18:44:01 -04:00
Thomas Harte	bcb7bb5cce	Improves logging further. ... To investigate the new perpetual loop.	2021-07-26 17:02:30 -04:00
Thomas Harte	87dcd82f69	Makes a first attempt at some sort of interrupt functionality.	2021-07-26 16:40:42 -04:00
Thomas Harte	e671cc6056	Add stubs for joystick/mouse querying.	2021-07-26 16:21:51 -04:00
Thomas Harte	5da89b88a6	Add missing space.	2021-07-25 22:17:55 -04:00
Thomas Harte	5d60c1f20b	Stubs in Paula.	2021-07-25 22:16:31 -04:00
Thomas Harte	7fd00165c9	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.	2021-07-25 20:41:51 -04:00
Thomas Harte	34d4420e8c	Correct reading of top byte of counter 2.	2021-07-25 20:41:15 -04:00
Thomas Harte	20da194fab	Log slightly more accurately.	2021-07-25 19:59:24 -04:00
Thomas Harte	8d2d4c850f	Revoke temporary debugging.	2021-07-25 19:59:10 -04:00
Thomas Harte	b7bed027d7	Ensures the value initially loaded to A7 is aligned. ... This is a bit of a guess; it's likely to be true though per the rule that A7 is always kept aligned.	2021-07-25 19:55:23 -04:00
Thomas Harte	fcd6b7b0ea	Takes further aim at the conters. ... I think test cases are needed, probably.	2021-07-24 16:06:49 -04:00
Thomas Harte	ceca32ceb3	Takes a guess at one-shot mode.	2021-07-24 15:53:18 -04:00
Thomas Harte	e3bb9fc1d7	Increase logging.	2021-07-23 23:10:00 -04:00
Thomas Harte	77a8ddb95c	Edges towards working counters.	2021-07-23 22:43:47 -04:00
Thomas Harte	c733a4dbf8	Beefs up interrupt awareness.	2021-07-23 21:58:52 -04:00
Thomas Harte	d898a43dff	Implements time-of-day counters, provisionally. ... Interrupts to do.	2021-07-23 21:24:07 -04:00
Thomas Harte	6216d53b1a	Adds a faster flushing HalfCycles -> Cycles conversion.	2021-07-23 20:07:57 -04:00
Thomas Harte	86c30769d9	Add a divide-by-ten for the CIAs.	2021-07-23 19:25:53 -04:00
Thomas Harte	956a6dbd64	Improve commentary.	2021-07-23 19:23:54 -04:00
Thomas Harte	68fe19818e	Expose more information about the E clock state.	2021-07-23 19:22:00 -04:00
Thomas Harte	de208ead4e	Stubs in enough to get back into a persistent loop.	2021-07-22 22:00:53 -04:00
Thomas Harte	69d62560b4	Adds comment to avoid potential future error.	2021-07-22 22:00:33 -04:00
Thomas Harte	87d2fc1491	Adds enough raster position to return something.	2021-07-22 21:45:51 -04:00
Thomas Harte	2bc9af09e1	Factors out the chipset.	2021-07-22 21:16:23 -04:00
Thomas Harte	26f4758523	Makes a further accommodation for PermitRead/Write.	2021-07-22 21:11:25 -04:00
Thomas Harte	6123349b79	Stubs in control registers and disables exit-on-miss. ... I think I may be running up against the limits of stubbing now. Probably time to implement some stuff.	2021-07-22 19:28:01 -04:00
Thomas Harte	d1ac54fe92	Stubs in sprite containers.	2021-07-22 19:00:26 -04:00
Thomas Harte	9468adf737	Stubs in Copper addresses.	2021-07-22 18:51:23 -04:00
Thomas Harte	e85db40b0f	Sketches out a blitter class.	2021-07-22 18:43:07 -04:00
Thomas Harte	b3d55cc16d	Adds non-committal reads for some write-only registers. ... The hardware now proceeds to trying to talk to the Blitter. So that's next.	2021-07-22 16:10:30 -04:00
Thomas Harte	56b62a5e49	Adds a dummy interrupt control register.	2021-07-22 16:09:32 -04:00
Thomas Harte	3ee1fc544f	Fix: (1) memory base adjustment; (2) out-of-bounds writes.	2021-07-21 21:49:20 -04:00
Thomas Harte	5401744dc0	Add additional asserts.	2021-07-21 21:47:44 -04:00
Thomas Harte	fe10a10ac2	Correct address on stack upon priviliege exception.	2021-07-21 21:46:55 -04:00
Thomas Harte	ba2e5a97a9	Provisionally adds a status LED.	2021-07-19 22:31:36 -04:00
Thomas Harte	4515d1220c	Switches CIA A/B byte connections; applies reset to memory map.	2021-07-19 22:17:40 -04:00
Thomas Harte	486959bce8	With minor additional logging, it appears the Amiga just keeps resetting itself.	2021-07-19 21:50:35 -04:00
Thomas Harte	e1a410bf3d	Further mildly increases logging.	2021-07-19 20:54:32 -04:00
Thomas Harte	3767cc7c0b	Increase logging; fix set/clear of interrupt enable mask.	2021-07-19 19:03:37 -04:00
Thomas Harte	96b0ce9ef2	Merge branch 'master' into Amiga	2021-07-18 22:16:05 -04:00
Thomas Harte	038ed0551e	Merge pull request #979 from TomHarte/Warnings ... Resolve all dangling GCC warnings.	2021-07-18 22:15:45 -04:00
Thomas Harte	cfaf4a8a65	Add advised brackets; clarify type punning.	2021-07-18 22:11:11 -04:00