82 Commits

Author	SHA1	Message	Date
Thomas Harte	adc071ed7a	Fix: modulos are 15-bit signed, the minterms are also in regular BLTCON0.	2021-09-23 18:30:35 -04:00
Thomas Harte	e06f470044	Ensure no implicit conversion from int to IntT.	2021-09-23 18:30:04 -04:00
Thomas Harte	ab69fe56c9	Take a first shot at magical instant blitting.	2021-09-23 18:13:51 -04:00
Thomas Harte	60bad22a91	Correct fetch window.	2021-09-23 18:13:24 -04:00
Thomas Harte	7092429f7c	Added some notes to self on line mode.	2021-09-20 23:08:26 -04:00
Thomas Harte	fa800bb809	Introduces code for minterm application.	2021-09-20 19:13:23 -04:00
Thomas Harte	e15f1103a0	Takes a shot at low resolution shifting.	2021-09-20 19:00:52 -04:00
Thomas Harte	a4263b5a8c	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.	2021-09-19 21:55:45 -04:00
Thomas Harte	245b7baa61	Moves the Copper into its own file.	2021-09-16 21:17:23 -04:00
Thomas Harte	0eeaaa150a	Correct Copper start address.	2021-09-16 21:01:37 -04:00
Thomas Harte	692d87f446	Attempts to restrict blitter slot allocation.	2021-09-16 19:56:28 -04:00
Thomas Harte	6572efe2a7	Clarifies word addressing.	2021-09-16 08:24:52 -04:00
Thomas Harte	8aac2bd029	Stubs in serial port status.	2021-09-14 21:53:07 -04:00
Thomas Harte	add11db369	Factors out DMADevice, which is now a parent of Blitter.	2021-09-14 20:51:32 -04:00
Thomas Harte	fd70f7ad43	Attempts to make pixel content observeable.	2021-09-08 20:57:26 -04:00
Thomas Harte	6e034c9b7f	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.	2021-08-11 20:31:37 -04:00
Thomas Harte	52e375a985	Move towards playfield decoding.	2021-08-11 18:47:35 -04:00
Thomas Harte	10a5e7313f	Makes a buggy first attempt at bitplane data collection.	2021-08-10 21:28:48 -04:00
Thomas Harte	ec9cb21fae	Starts towards bitplane collection.	2021-08-10 19:01:41 -04:00
Thomas Harte	fdd02ad6a6	Neaten, slightly.	2021-08-10 09:20:34 -04:00
Thomas Harte	76e9fcc94a	Obey blitter DMA-enable mask.	2021-08-10 09:19:15 -04:00
Thomas Harte	e412927415	Logs a bit more from the Blitter, gives it access to slots.	2021-08-10 07:17:01 -04:00
Thomas Harte	dda154c7c6	Adds nonsense disk reads, which seems to lead to bitplane and blitter requests. ... Progress, at last!	2021-08-09 20:31:14 -04:00
Thomas Harte	9215535bee	Adds a container for the disk controller. ... Thereby appears to prove that my Amiga is getting as far as attempting to load from floppy.	2021-08-09 17:35:09 -04:00
Thomas Harte	1502c4530e	Takes a further step towards real timing.	2021-08-08 21:52:28 -04:00
Thomas Harte	c1df4d1c0b	Mirroring is correct.	2021-08-08 20:20:12 -04:00
Thomas Harte	7f2610c4fc	Disambiguates serial control logs.	2021-08-07 16:57:30 -04:00
Thomas Harte	db3c158215	Further increases logging.	2021-08-05 20:07:14 -04:00
Thomas Harte	25e2bd307a	Sets VPA for CIA accesses; logs a little more.	2021-08-05 20:06:48 -04:00
Thomas Harte	1bae4973bc	Post the serial control write onwards.	2021-07-30 18:24:27 -04:00
Thomas Harte	3d9f86c584	Begins keyboard sketches and notes.	2021-07-30 18:23:15 -04:00
Thomas Harte	3514e537ca	Minor logging tweaks.	2021-07-30 18:22:59 -04:00
Thomas Harte	b78090ec76	Fixes IOPortsAndTimers classification.	2021-07-28 19:39:42 -04:00
Thomas Harte	759007ffc1	Attempts to route CIA interrupts.	2021-07-28 19:36:30 -04:00
Thomas Harte	69ae9d72c8	Remove dead non-access.	2021-07-27 22:27:20 -04:00
Thomas Harte	604232acd9	Establish appropriate word-size mask.	2021-07-27 22:23:38 -04:00
Thomas Harte	82205d71cc	Breaks up loop for arithmetic simplicity.	2021-07-27 21:59:27 -04:00
Thomas Harte	402eab10f8	Breaks video output while attempting to pull it into the main loop.	2021-07-27 21:33:07 -04:00
Thomas Harte	b6bf4d73ad	Blitter-finished bit aside, attempts to complete the Copper.	2021-07-27 21:10:14 -04:00
Thomas Harte	5425b5c423	Adds some form of WAITing to the Copper.	2021-07-27 19:32:55 -04:00
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