153 Commits

Author	SHA1	Message	Date
Thomas Harte	5ccb512883	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.	2021-10-04 06:44:54 -07:00
Thomas Harte	0b9ebafc0f	Flip bit deserialisation order.	2021-09-28 22:12:13 -04:00
Thomas Harte	ffcd2ea10c	Attempts more properly to implement line mode.	2021-09-28 21:39:09 -04:00
Thomas Harte	c4ab2bbeed	Hard-code fetch window width. For now.	2021-09-23 22:06:13 -04:00
Thomas Harte	f1d514470d	Add note to future self.	2021-09-23 20:29:39 -04:00
Thomas Harte	60bad22a91	Correct fetch window.	2021-09-23 18:13:24 -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	db3c158215	Further increases logging.	2021-08-05 20:07:14 -04:00
Thomas Harte	1bae4973bc	Post the serial control write onwards.	2021-07-30 18:24:27 -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	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	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	20da194fab	Log slightly more accurately.	2021-07-25 19:59:24 -04:00
Thomas Harte	e3bb9fc1d7	Increase logging.	2021-07-23 23:10:00 -04:00
Thomas Harte	d898a43dff	Implements time-of-day counters, provisionally. ... Interrupts to do.	2021-07-23 21:24:07 -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	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