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
Thomas Harte
83850d7596
Commute: Status -> Flags as per usual x86 naming.
2023-11-02 16:55:38 -04:00
Thomas Harte
770803b073
Be more careful as to authorisation.
2023-11-02 15:37:59 -04:00
Thomas Harte
e4fdf09149
Fix PUSH SP, far call. Further simplify FlowController.
2023-11-01 23:39:52 -04:00
Thomas Harte
acb55aa4e2
Subsume repetition of arguments into a single context.
...
Albeit that it (temporarily?) loses some context used during test validation.
2023-11-01 17:03:23 -04:00