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Author	SHA1	Message	Date
Thomas Harte	7c9715f00c	Change mind about carry behaviour.	2024-04-01 21:38:44 -04:00
Thomas Harte	7de92a9457	Slightly clean up shift code.	2024-04-01 21:24:49 -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
Thomas Harte	cc122a7a68	Add an SWI count, to aid in logging.	2024-03-31 18:18:26 -04:00
Thomas Harte	31979649c6	As it continues to swell, factor out the junk.	2024-03-31 18:15:48 -04:00
Thomas Harte	335d13d06d	Mildly improve logging, define a few more ROMs.	2024-03-30 21:49:21 -04:00
Thomas Harte	ec785f3a8a	Add URL as comment.	2024-03-30 20:54:17 -04:00
Thomas Harte	1f83a5425e	Complete list of all currently-failing SWIs. ... ... a lot of which are probably failing correctly, i.e. they're appropriately signalling.	2024-03-30 20:48:47 -04:00
Thomas Harte	4882d6d0f2	Start adding SWI detail.	2024-03-30 15:16:48 -04:00
Thomas Harte	722743659b	Add missing space.	2024-03-29 21:52:57 -04:00
Thomas Harte	6e64a79b52	Log failed SWIs.	2024-03-29 21:31:33 -04:00
Thomas Harte	8a6bf84cff	Keyboard: log more, ignore unrecognised commands.	2024-03-29 20:54:07 -04:00
Thomas Harte	a0fdd8f4eb	Resolve magic constant.	2024-03-28 22:15:27 -04:00
Thomas Harte	bda1783624	Make new guess at non-byte IOC reads.	2024-03-28 22:10:49 -04:00
Thomas Harte	2a14557478	Be more disciplined about errant accesses.	2024-03-28 21:31:07 -04:00
Thomas Harte	0ddbc67b1f	Switch to default CMOS RAM obtained from RISC OS itself.	2024-03-28 21:23:49 -04:00
Thomas Harte	ffb5149890	Reinstate real CMOS RAM results.	2024-03-28 14:27:07 -04:00
Thomas Harte	bb339d619f	Eliminate trace test; I don't think I'm going to work it through.	2024-03-28 14:23:00 -04:00
Thomas Harte	2ed11877e8	Determine a couple of further exclusions.	2024-03-28 14:11:41 -04:00
Thomas Harte	ea6b83815b	Add a further category of exclusions.	2024-03-28 14:01:37 -04:00
Thomas Harte	740b0e35d5	Completely bypass ignored tests.	2024-03-28 11:28:37 -04:00
Thomas Harte	2e7c1acb88	Add note on confusion.	2024-03-28 10:34:46 -04:00
Thomas Harte	4fcb85d132	Cleave off most remaining reasons for failure.	2024-03-28 10:32:27 -04:00
Thomas Harte	f175dcea58	Hack in some more potential debugging help.	2024-03-27 22:37:37 -04:00
Thomas Harte	c04c708a9d	Trade some depth for breadth.	2024-03-27 22:37:10 -04:00
Thomas Harte	f4cf1e5313	Attempt to cleave by broad reason.	2024-03-27 22:36:37 -04:00
Thomas Harte	0e17f382a1	Capture further detail.	2024-03-27 22:36:03 -04:00
Thomas Harte	f38bca37a2	Take another run at MEMC. ... I hadn't spotted that it is valid to map different logical pages to the same physical page with different protection levels.	2024-03-27 10:44:40 -04:00
Thomas Harte	166793ebe6	Reduce I2C chatter.	2024-03-26 21:54:42 -04:00
Thomas Harte	8b04d0e3ef	Enhance and better-document I2C states.	2024-03-26 21:52:29 -04:00
Thomas Harte	a3931674dc	Seemingly navigate I2C correctly.	2024-03-26 21:33:46 -04:00
Thomas Harte	bd4ef5ec57	Switch to acknowledgement-after.	2024-03-26 14:06:11 -04:00
Thomas Harte	3ba12630ab	Quieten.	2024-03-26 12:27:37 -04:00
Thomas Harte	342d90c929	Advance CMOS/I2C to a seemingly-valid read.	2024-03-26 12:24:24 -04:00
Thomas Harte	9078fc994b	Try to formalise I2C events.	2024-03-25 22:10:52 -04:00
Thomas Harte	f46af4b702	OS 3.11 seems to be able to get into BASIC.	2024-03-25 22:10:35 -04:00
Thomas Harte	b112987556	Do well enough at other colour depths.	2024-03-25 22:09:55 -04:00
Thomas Harte	fc880ac130	Double down on trans mode.	2024-03-25 21:32:56 -04:00
Thomas Harte	a2d95cb982	Shuffle notes.	2024-03-25 21:31:59 -04:00
Thomas Harte	d2776071e4	Speed up debug mode.	2024-03-25 21:31:33 -04:00
Thomas Harte	72a645ec1e	Fix trans; take further crack at MEMC permissions.	2024-03-25 15:50:59 -04:00
Thomas Harte	1154ffd072	Add a 'drive in use' indicator LED.	2024-03-25 15:03:54 -04:00
Thomas Harte	8ba9708942	Hopefully resolve the mystery of the latch writes.	2024-03-25 14:54:30 -04:00
Thomas Harte	521fca6089	Expose full bus to IOC dependents; add notes.	2024-03-25 11:07:44 -04:00
Thomas Harte	ae684edbe1	Formally decode bank/offset/type.	2024-03-25 10:16:36 -04:00
Thomas Harte	fa0a9aa611	Eliminate 'has_moved_rom_'.	2024-03-24 22:36:11 -04:00
Thomas Harte	5da9e0486a	Simplify control flow.	2024-03-24 22:30:26 -04:00
Thomas Harte	6980fd760c	Add further heavily-manual debugging aids.	2024-03-24 22:18:30 -04:00
Thomas Harte	3549488b7a	Add round-trip test for status flags.	2024-03-24 22:18:16 -04:00