68 Commits

Author	SHA1	Message	Date
Thomas Harte	c9bf2dda16	Attempt implementation of disk sync.	2021-11-02 18:18:59 -07:00
Thomas Harte	1cf1c90511	Adds support for interlaced output.	2021-11-02 14:34:03 -07:00
Thomas Harte	d989825216	Add bonus notes on VPOSR.	2021-11-02 03:47:39 -07:00
Thomas Harte	3976420b88	Retains a little more of output controls.	2021-11-01 17:15:36 -07:00
Thomas Harte	2f1ce5fe43	Switch to using the swizzled palette for playfield output.	2021-11-01 14:44:30 -07:00
Thomas Harte	42145a5b8a	Delay bitplane installation until end of slot.	2021-11-01 14:18:58 -07:00
Thomas Harte	4e66017205	Enable sprite reuse and toggle to inactive when visible region is over.	2021-10-31 16:52:48 -07:00
Thomas Harte	4c1ab6ff25	Rethinks bitplane stops.	2021-10-31 09:01:38 -07:00
Thomas Harte	edb75e69cb	Implement bitplane modulos.	2021-10-29 11:29:22 -07:00
Thomas Harte	da1a69be27	Caps mouse speed. ... Also takes another guess at CIA interrupt bits. To no avail.	2021-10-27 18:38:02 -07:00
Thomas Harte	139d35c6f9	Switches to basic use of sprite shifters.	2021-10-25 20:58:48 -07:00
Thomas Harte	cb24457b4a	Starts on a two-at-a-time sprite shifter.	2021-10-25 16:30:30 -07:00
Thomas Harte	c6535bf035	Switches bitplane shifter to returning four high-res pixels at a time.	2021-10-25 13:34:36 -07:00
Thomas Harte	952451c9b8	Add mouse input.	2021-10-23 20:17:13 -07:00
Thomas Harte	7ec21edc2f	Attempts to hack in some form of sprite display.	2021-10-22 19:51:10 -07:00
Thomas Harte	003162f710	Limit to specific purpose.	2021-10-22 16:16:19 -07:00
Thomas Harte	040ac93042	Takes a shot at the vertical stuff of sprite DMA.	2021-10-22 14:32:59 -07:00
Thomas Harte	b489ba3d0d	Adds sprite DMA windows.	2021-10-22 13:07:20 -07:00
Thomas Harte	c5e8b547af	Captures the attach flag and observes activation rule.	2021-10-22 11:21:58 -07:00
Thomas Harte	e67de90ad0	Starts to bring sprites inside DMADevice orthodoxy.	2021-10-21 21:57:46 -07:00
Thomas Harte	c3c84c88a1	Switch to ahead-of-time planar to chunky conversion.	2021-10-21 20:48:57 -07:00
Thomas Harte	0dc9c4cee1	Undo hard-coding of fetch window.	2021-10-19 15:18:39 -07:00
Thomas Harte	253a199f27	Fire sync-match interrupt upon any match.	2021-10-14 16:36:17 -07:00
Thomas Harte	9be23ecc34	Add end-of-Blit interrupt. ... Along with a slightly easier path for posting interrupts, in C++ compilation unit terms.	2021-10-13 15:09:19 -07:00
Thomas Harte	7733fef3bd	DSKLEN has to be written twice.	2021-10-11 06:16:01 -07:00
Thomas Harte	eb157f15f3	Adds index hole interrupt.	2021-10-09 04:08:59 -07:00
Thomas Harte	d6e2a3f425	Make a first attempt to spool into RAM.	2021-10-08 18:11:47 -07:00
Thomas Harte	b47ca13ed3	Push disk data onwards.	2021-10-08 17:18:11 -07:00
Thomas Harte	5899af0038	Starts accumulating disk data.	2021-10-07 05:11:32 -07:00
Thomas Harte	20bad38d42	Add drive activity lights.	2021-10-06 04:54:40 -07:00
Thomas Harte	2253ff656a	Adds route for inserting disks.	2021-10-05 16:12:30 -07:00
Thomas Harte	18631399ad	Attempts to clock the disk controller.	2021-10-05 15:38:56 -07:00
Thomas Harte	647ec770ce	Implements motor latching, drive ID shift registers.	2021-10-05 05:12:01 -07:00
Thomas Harte	674941abdf	Starts to add a disk controller.	2021-10-04 16:45:05 -07:00
Thomas Harte	b3f0ca39ed	Adds some unused drives.	2021-10-04 08:12:13 -07:00
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	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	6572efe2a7	Clarifies word addressing.	2021-09-16 08:24:52 -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	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