173 Commits

Author	SHA1	Message	Date
Thomas Harte	becb6ce2e0	Fix two more not-really-an-issue warnings.	2024-04-23 22:20:13 -04:00
Thomas Harte	265d151879	Fix data aborts.	2024-04-22 22:08:09 -04:00
Thomas Harte	0775e3ad58	This is an 8-bit value.	2024-04-19 22:35:43 -04:00
Thomas Harte	ea3eef3817	Put interrupts into pipeline, without delay.	2024-04-19 22:21:23 -04:00
Thomas Harte	83eac172c9	Revoke in-pipeline interrupts. ... I'm unclear on what timing should apply here really.	2024-04-19 21:46:09 -04:00
Thomas Harte	5b13d3e893	Attempt the prefetch portion of a pipeline.	2024-04-19 21:30:15 -04:00
Thomas Harte	e6c4454059	Provide a means for SWI interception.	2024-04-18 22:13:58 -04:00
Thomas Harte	d464ce831a	Add did_set_pc.	2024-04-18 19:30:07 -04:00
Thomas Harte	07984a2f8b	Resolve various warnings.	2024-04-17 22:15:05 -04:00
Thomas Harte	30c2c65b77	Eliminate hot-path switch.	2024-04-17 21:36:39 -04:00
Thomas Harte	b63178132d	Move trans tests inside switch.	2024-04-17 21:29:42 -04:00
Thomas Harte	fac94a5d36	Reduce MIPS. Until other performance issues can be resolved.	2024-04-16 22:32:00 -04:00
Thomas Harte	06fd91f002	Fix period, table lookup.	2024-04-16 22:12:10 -04:00
Thomas Harte	c3d4d0ee38	Introduce panning, threading.	2024-04-16 21:56:34 -04:00
Thomas Harte	30cca54e6c	Diagnostically try for a square wave.	2024-04-13 22:10:34 -04:00
Thomas Harte	6ac6e48b95	Attempt audio output.	2024-04-13 21:54:50 -04:00
Thomas Harte	779794632e	Generate volume ramp.	2024-04-13 20:23:47 -04:00
Thomas Harte	88bb16f261	Install proper filter frequency.	2024-04-13 15:34:39 -04:00
Thomas Harte	c134c7bdc2	Fix: signal is 'flyback', not sync.	2024-04-10 21:53:38 -04:00
Thomas Harte	6c6cda3db5	Use clocking hints.	2024-04-09 22:22:03 -04:00
Thomas Harte	a29f246536	Move to more natural position of ownership.	2024-04-09 22:10:07 -04:00
Thomas Harte	d9d675a74f	Fix scan status scale.	2024-04-09 21:56:42 -04:00
Thomas Harte	d62ea95889	Make some intimation towards audio.	2024-04-09 21:53:40 -04:00
Thomas Harte	e2e951ad0b	Fix layout.	2024-04-09 21:49:35 -04:00
Thomas Harte	a5a653d684	Factor vsync state into IO reads.	2024-04-09 21:49:00 -04:00
Thomas Harte	6123350895	Improve state guesswork.	2024-04-09 21:24:08 -04:00
Thomas Harte	ec73c00c3b	Silence the routine stuff of interrupt masks.	2024-04-09 20:57:57 -04:00
Thomas Harte	dd24f5f4f3	Don't latch video addresses until almost the last minute.	2024-04-09 20:56:10 -04:00
Thomas Harte	169298af42	Plumb through disk insertion. ... Surprisingly: some things now load.	2024-04-08 21:15:40 -04:00
Thomas Harte	5e502df48b	Forward motor and drive selection.	2024-04-07 22:29:00 -04:00
Thomas Harte	4f58664f97	Catch interrupt enables.	2024-04-07 22:08:12 -04:00
Thomas Harte	ffd298218c	Tie off initial values; fix FIQ usage.	2024-04-07 21:58:16 -04:00
Thomas Harte	d2b077c573	Start wiring in a floppy controller.	2024-04-07 21:22:35 -04:00
Thomas Harte	547dc29a60	Remove done TODOs.	2024-04-07 15:53:42 -04:00
Thomas Harte	69aeca5c0e	Aggregate mouse deltas where possible.	2024-04-06 21:24:21 -04:00
Thomas Harte	ed7cd4b277	Fix 8bpp output, all-modes cursor.	2024-04-06 20:58:44 -04:00
Thomas Harte	7bf831e1a6	Add missing 'override'.	2024-04-06 13:51:33 -04:00
Thomas Harte	0092cb8c36	Route enough to be able to mess around.	2024-04-06 13:44:05 -04:00
Thomas Harte	543b1c644a	Wire mouse events to the relevant class.	2024-04-06 13:32:59 -04:00
Thomas Harte	cfaea7a90c	Add cursor within 4bpp pixel area.	2024-04-05 22:43:10 -04:00
Thomas Harte	b821645644	Capture cursor palette, switch horizontal field.	2024-04-05 22:01:01 -04:00
Thomas Harte	2865190499	Resolve video addressing issues.	2024-04-05 21:56:31 -04:00
Thomas Harte	3f40e409c5	Reduce debugging heft.	2024-04-04 22:16:11 -04:00
Thomas Harte	002e235d90	Force RGB mode.	2024-04-04 22:02:47 -04:00
Thomas Harte	7d8a364658	Reimplement LDM and STM.	2024-04-04 21:59:18 -04:00
Thomas Harte	55369464ad	Add a by-eye crop. A better answer will come.	2024-04-01 22:10:05 -04:00
Thomas Harte	609c117267	Switch to English RISC OS.	2024-04-01 21:44:42 -04:00
Thomas Harte	3b62a2fe7a	Restrict video buffer to first 512kb.	2024-04-01 21:39:10 -04:00
Thomas Harte	0866caf934	Flaws remain, but acknowledge that pixel rate is double.	2024-04-01 10:48:20 -04:00
Thomas Harte	914b88d115	Fix non-debug build.	2024-03-31 19:17:55 -04:00