896 Commits

Author	SHA1	Message	Date
Thomas Harte	b42a6e447d	Tie down more corners.	2024-03-03 21:29:53 -05:00
Thomas Harte	8a83d71560	Fix condition.	2024-03-03 14:40:05 -05:00
Thomas Harte	9fd7d5c10f	Switch test and meaning.	2024-03-03 14:34:21 -05:00
Thomas Harte	4e7963ee81	Clarify PC semantics; remove faulty underscore.	2024-03-03 14:11:02 -05:00
Thomas Harte	99f0233b76	Fix immediate offset and data processing operation.	2024-03-02 23:27:37 -05:00
Thomas Harte	62da0dee7f	Unify reads.	2024-03-02 23:15:17 -05:00
Thomas Harte	1663d3d9d1	Introduce disaster of an attempted test run.	2024-03-02 22:40:12 -05:00
Thomas Harte	37499d493a	Fix model name.	2024-03-02 21:47:09 -05:00
Thomas Harte	e6f77a9b80	Add logical right-shift tests.	2024-03-01 18:06:54 -05:00
Thomas Harte	42ba6d1281	Relocate execution code appropriately.	2024-03-01 15:02:47 -05:00
Thomas Harte	5759798ad7	Deal with downward write order.	2024-02-29 14:34:20 -05:00
Thomas Harte	fd2c5b6679	Make a quick first attempt at memory accesses.	2024-02-29 10:18:09 -05:00
Thomas Harte	93b4008f81	Localise flags, detect improper carry write.	2024-02-28 21:28:19 -05:00
Thomas Harte	904462b881	Regularise data transfers.	2024-02-28 21:23:57 -05:00
Thomas Harte	3b320bcdef	Update coprocessor interface.	2024-02-28 14:43:31 -05:00
Thomas Harte	3368bdb99f	Document exceptions, partly for my future self.	2024-02-28 14:34:31 -05:00
Thomas Harte	4d400c3cb7	Add easy exceptions.	2024-02-28 14:25:12 -05:00
Thomas Harte	474f9da3c2	Add banked registers.	2024-02-28 14:09:05 -05:00
Thomas Harte	c49b26701f	Relocate and clarify barrel shifts. ... With a view to independent testing.	2024-02-28 13:53:13 -05:00
Thomas Harte	9b42d35d56	Update interface.	2024-02-28 11:42:33 -05:00
Thomas Harte	645152a1fd	Implement branch.	2024-02-28 11:33:28 -05:00
Thomas Harte	487ade56ed	Add basic multiply.	2024-02-28 11:27:27 -05:00
Thomas Harte	60d1b36e9a	Implement registers side.	2024-02-28 10:25:14 -05:00
Thomas Harte	5a48c15e46	Add scheduler side of PC writeback.	2024-02-28 10:15:23 -05:00
Thomas Harte	d6bf1808f9	Take a swing at PC-as-input.	2024-02-28 09:33:05 -05:00
Thomas Harte	b676153d21	State intention to merge status with other registers.	2024-02-27 15:36:34 -05:00
Thomas Harte	a3339cf882	Fix indentation.	2024-02-27 15:30:51 -05:00
Thomas Harte	4255283e33	Deal with conditionality up front.	2024-02-26 21:36:23 -05:00
Thomas Harte	16e827bb2c	Add basic arithmetics.	2024-02-26 21:27:58 -05:00
Thomas Harte	580f402bb6	Muddle further towards data processing.	2024-02-26 14:50:45 -05:00
Thomas Harte	030dda34f0	Start poking at implementation.	2024-02-26 14:30:26 -05:00
Thomas Harte	481b6d0e69	Sketch out some status flags.	2024-02-25 22:01:51 -05:00
Thomas Harte	a88d41bf00	List the flags.	2024-02-25 15:21:54 -05:00
Thomas Harte	73d2acca12	Moderately improve comments.	2024-02-22 11:20:22 -05:00
Thomas Harte	d205e538e1	Accept the C++ I'm in; clarify and simplify interface.	2024-02-22 10:16:54 -05:00
Thomas Harte	6577f68efc	Complete instruction set; consolidate mapper.	2024-02-21 15:32:27 -05:00
Thomas Harte	e986ae2878	Add coprocessor data operations and register transfers.	2024-02-21 15:25:57 -05:00
Thomas Harte	b2696450d5	Bring forwards single data transfers.	2024-02-21 14:51:51 -05:00
Thomas Harte	2bbaf73aa2	Delete was is now duplicated.	2024-02-21 14:18:41 -05:00
Thomas Harte	0fe2c1406b	Start mutating towards a form that owns the switch.	2024-02-21 14:17:01 -05:00
Thomas Harte	954d920b9e	Extend what's held in the operation enum.	2024-02-20 14:14:18 -05:00
Thomas Harte	57b45076c5	Start dealing with per-instruction fields.	2024-02-17 22:13:51 -05:00
Thomas Harte	d639dc8bcb	Hit up some more = default opportunities.	2024-02-17 15:42:31 -05:00
Thomas Harte	9a74ab6a8e	Switch to actual mnenomics, temporarily(?) shrink table.	2024-02-17 15:41:57 -05:00
Thomas Harte	4c53414cc3	Merge branch 'master' into ARMDecoding	2024-02-17 08:14:18 -05:00
Thomas Harte	bc5727af14	Switch to = default.	2024-02-16 21:50:15 -05:00
Thomas Harte	bd0a15c054	Start working on ARM2 decoding.	2024-02-16 21:36:07 -05:00
Ryan Carsten Schmidt	d811501421	Compatibility fixes in Markdown files. ... Improve compatibility with some Markdown readers like MacDown by adding blank lines before lists. Blank lines around headers were added for consistency. One header level was fixed. One code block was fixed.	2024-01-27 13:24:35 -06:00
Thomas Harte	b61317ba7e	Continue conversion of logging.	2024-01-19 22:02:26 -05:00
Thomas Harte	a3d37640aa	Switch include guards to #pragma once.	2024-01-16 23:34:46 -05:00
Thomas Harte	795529ef97	Resolve sizing types.	2023-12-24 14:26:15 -05:00
Thomas Harte	cbd4f7965b	Acknowledge one further 16-bit assumption.	2023-12-24 14:22:26 -05:00
Thomas Harte	13631fb7bc	Resolve various 32->16 conversion warnings.	2023-12-24 14:14:53 -05:00
Thomas Harte	3e328bed61	Be overt about jump size, albeit without internal rigour.	2023-12-24 14:11:41 -05:00
Thomas Harte	084efdeb2d	Resolve further type conversion warnings.	2023-12-05 16:54:11 -05:00
Thomas Harte	dd04909d58	Resolve some further warnings.	2023-12-05 16:43:55 -05:00
Thomas Harte	f50c45cc1a	Treat 'invalid' as a silent failure.	2023-12-01 15:35:51 -05:00
Thomas Harte	ec2d878e3f	End run around the template. ... I have yet to get any insight whatsoever on the reason for GCC's failure here and won't have access to a suitable test machine for a while so all I have for testing is the arduous CI cycle.	2023-11-17 17:02:46 -05:00
Thomas Harte	a0ca5e6cdc	Remove outdated comment.	2023-11-17 10:38:11 -05:00
Thomas Harte	83c8f9996e	Switch back to the natural type.	2023-11-17 10:27:38 -05:00
Thomas Harte	3f27338b2c	New guess: the definition of size_t varies?	2023-11-16 23:46:22 -05:00
Thomas Harte	fbe02e3ad5	Randomly try a different explicit instantiation.	2023-11-16 23:37:37 -05:00
Thomas Harte	4b730c26d0	Satisfy GCC warning.	2023-11-16 23:31:51 -05:00
Thomas Harte	33486e69bf	Remove CI trap.	2023-11-16 15:30:43 -05:00
Thomas Harte	1c7bb6d759	Add CI diagnosis trap.	2023-11-16 15:25:42 -05:00
Thomas Harte	25f0a373f3	Don't sign-extend ports (!).	2023-11-16 11:17:12 -05:00
Thomas Harte	233ec7b818	Soften some warnings.	2023-11-16 10:57:17 -05:00
Thomas Harte	7323af0b41	Avoid shadowing template parameter.	2023-11-15 11:10:01 -05:00
Thomas Harte	e927fd00d8	Do just enough to include x86 code in the main build.	2023-11-15 11:01:28 -05:00
Thomas Harte	f83d2a8740	Take a swing at ENTER.	2023-11-14 16:23:24 -05:00
Thomas Harte	aafa7de536	Implement LEAVE, almost.	2023-11-14 11:39:36 -05:00
Thomas Harte	ac826f90c3	Formalise a separate manager of segments.	2023-11-14 10:56:00 -05:00
Thomas Harte	6c405680f2	Implement PUSHA, POPA.	2023-11-14 10:42:06 -05:00
Thomas Harte	1552500b10	Implement BOUND.	2023-11-13 22:33:46 -05:00
Thomas Harte	60cec9fc67	Expand commentary.	2023-11-13 11:45:17 -05:00
Thomas Harte	3a782faaf3	Ensure shoutouts upon LDS, LES and any far jump/call/int.	2023-11-10 22:58:59 -05:00
Thomas Harte	7abd4d9b38	Fix AAA/AAS carry outcome.	2023-11-10 22:47:50 -05:00
Thomas Harte	e61dc0466f	Add callout for tracking segment register changes.	2023-11-10 22:22:32 -05:00
Thomas Harte	79b126e6bb	Add route for tracking segment register changes.	2023-11-10 22:11:52 -05:00
Thomas Harte	e78e5c8101	Add remaining acceptable error cases.	2023-11-09 12:26:40 -05:00
Thomas Harte	800c76a4fe	Capture and respond to IDIV_REP.	2023-11-09 11:55:04 -05:00
Thomas Harte	5f1ea6c04c	Unify AAA and AAS.	2023-11-08 22:30:39 -05:00
Thomas Harte	8d2a2bcf4a	Unify DAA and DAS.	2023-11-08 22:26:48 -05:00
Thomas Harte	6b666bc92a	Simplify DAS.	2023-11-08 22:19:51 -05:00
Thomas Harte	38933aa079	Bring fully into 8086 conformance.	2023-11-08 22:16:12 -05:00
Thomas Harte	502b9d2023	Simplify implementation of DAA.	2023-11-08 22:06:58 -05:00
Thomas Harte	ec4a60b7da	Further universalise function layout.	2023-11-08 11:30:33 -05:00
Thomas Harte	d7bb1a9ee1	Tidy up and comment a little further.	2023-11-08 11:23:21 -05:00
Thomas Harte	9566a8de67	Split up the ungainly PerformImplementation.hpp.	2023-11-08 10:52:36 -05:00
Thomas Harte	b927cf4159	Resolve new decoding errors.	2023-11-07 22:08:44 -05:00
Thomas Harte	91b7d55871	Get strict about writeables.	2023-11-07 10:13:18 -05:00
Thomas Harte	e56e49a318	Fix SUB/SBB writes.	2023-11-07 10:09:04 -05:00
Thomas Harte	0262875088	Claw back to building.	2023-11-07 09:58:42 -05:00
Thomas Harte	2bed2c2c5c	Further simplify syntax.	2023-11-07 09:14:42 -05:00
Thomas Harte	2af774601f	Temporarily disentangle Memory and access internals; start to be overt in PerformImplementation.	2023-11-06 16:04:31 -05:00
Thomas Harte	797c9fe129	Temporarily avoid use of Writeable.	2023-11-05 21:47:52 -05:00
Thomas Harte	009915f4de	Start promotion of ReturnType.	2023-11-05 21:42:22 -05:00
Thomas Harte	f96c33102a	Add documentation.	2023-11-04 22:22:50 -04:00
Thomas Harte	5739862dbb	Add specific entryway for preauthorised writes.	2023-11-03 15:36:30 -04:00
Thomas Harte	ebdf10525c	Fix parameter case.	2023-11-02 17:00:22 -04:00