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11,837 Commits 10 Branches 121 Tags 500 MiB
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1389 Commits

Author SHA1 Message Date
Thomas Harte
11c4d2f09e Add further exposition. 2024-03-03 21:38:27 -05:00
Thomas Harte
b42a6e447d Tie down more corners. 2024-03-03 21:29:53 -05:00
Thomas Harte
4e7963ee81 Clarify PC semantics; remove faulty underscore. 2024-03-03 14:11:02 -05:00
Thomas Harte
945b7e90da Add just enough to persuade self that execution is broadly sane. 2024-03-03 14:03:08 -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
c0dd96eb7c Add a catalogue entry for RISC OS. 2024-03-02 21:44:27 -05:00
Thomas Harte
c865da67e0 Introduce further barrel-shifter tests. 2024-03-02 15:12:03 -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
85b7afd530 Attempt a complete block data transfer. 2024-03-01 14:48:36 -05:00
Thomas Harte
f2f59a4de5 Attempt to deal with data aborts. 2024-03-01 10:38:08 -05:00
Thomas Harte
5759798ad7 Deal with downward write order. 2024-02-29 14:34:20 -05:00
Thomas Harte
ab1dd7f57e Implement a little of block data transfer. 2024-02-29 11:33:40 -05:00
Thomas Harte
53a2ea3a57 Add address exception. 2024-02-29 10:49:11 -05:00
Thomas Harte
1f1e7236be Add rotation. 2024-02-29 10:47:41 -05:00
Thomas Harte
fd2c5b6679 Make a quick first attempt at memory accesses. 2024-02-29 10:18:09 -05:00
Thomas Harte
0b287c55d5 Edge towards single data transfer. 2024-02-29 10:02:57 -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
4d400c3cb7 Add easy exceptions. 2024-02-28 14:25:12 -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
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
b4e0b46bac Add notes on R15. 2024-02-27 10:04:30 -05:00
Thomas Harte
09c1b2d7db Add missing shifts. 2024-02-27 09:55:24 -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
def69ce6d5 Add notes on R15. 2024-02-26 15:12:39 -05:00
Thomas Harte
054a799699 Fill in the easy 50% of operations. 2024-02-26 15:10:00 -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
56a5df3783 Do the least possible manual test. 2024-02-22 10:48:19 -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
f9cbec668b Add empty shell for tests. 2024-02-21 15:43:24 -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
a3d37640aa Switch include guards to #pragma once. 2024-01-16 23:34:46 -05:00
Thomas Harte
177e741bca Fix test. 2024-01-09 21:19:44 -05:00
Thomas Harte
cf00a709ec Be consistent in shadowing physical addresses. 2024-01-03 15:02:54 -05:00
Thomas Harte
bbaaa520c8 Eliminate MemoryMap access macros, fix tests target. 2024-01-03 13:21:39 -05:00
Thomas Harte
3e328bed61 Be overt about jump size, albeit without internal rigour. 2023-12-24 14:11:41 -05:00
Thomas Harte
85f814c632 Attempt to build fixed operations into type. 
This simplifies callees and should make all helper functions automatically able to optimise themselves for fixed operations.
 2023-12-21 23:08:18 -05:00
Thomas Harte
160fec2439 Eliminate trace. 2023-12-21 15:31:09 -05:00
Thomas Harte
faaa89bb67 Eliminate all reference to EmuTOS. 2023-12-21 15:28:45 -05:00
Thomas Harte
3b84299a05 Edge closer to PCCompatible doing _something_. 2023-11-15 15:58:49 -05:00
Thomas Harte
a22ac2f88b Move towards privacy. 2023-11-14 11:39:44 -05:00
Thomas Harte
2533fd2da9 Fix segment comparisons. 2023-11-14 11:14:28 -05:00
Thomas Harte
ac826f90c3 Formalise a separate manager of segments. 2023-11-14 10:56:00 -05:00
Thomas Harte
08d9cc3bd3 Restore permitted IDIV miss. 2023-11-10 23:02:32 -05:00
Thomas Harte
47fc276afc Add note to future self. 2023-11-10 23:01:46 -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
19a61f867f Eliminate final misuse of 'selector'. 2023-11-10 22:56:00 -05:00
Thomas Harte
2551e73be1 Fully test segment registers. 2023-11-10 22:54:10 -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
ed3922e458 Switch to accepting failures only with a reason. 2023-11-09 11:55:36 -05:00
Thomas Harte
9e61d3e8cf Combine AAA and AAS. 2023-11-08 22:38:52 -05:00
Thomas Harte
8d2a2bcf4a Unify DAA and DAS. 2023-11-08 22:26:48 -05:00
Thomas Harte
f608153c1a Don't bother prepropulating for writes. 2023-11-07 14:38:23 -05:00
Thomas Harte
413e7b7de1 Switch Memory to using accessors. 2023-11-07 14:03:20 -05:00
Thomas Harte
0262875088 Claw back to building. 2023-11-07 09:58:42 -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
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
8d0deeb20e Clean up Memory. 2023-11-02 14:25:13 -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
Thomas Harte
bc095bb9ce Slim down the flow controller. 2023-11-01 14:49:30 -04:00
Thomas Harte
097b328075 Split the preauthorised tracks. 2023-11-01 14:31:42 -04:00
Thomas Harte
ef83ac855a Fix spelling of Preauthorised, think further on return types. 2023-11-01 14:11:10 -04:00
Thomas Harte
78df0d19e4 Start experimenting with varying return types. 2023-11-01 10:03:31 -04:00
Thomas Harte
9538491ee9 Fix pushes and pops. 2023-10-31 21:55:30 -04:00
Thomas Harte
8be03be529 Add test of ::Write mode. 2023-10-31 20:28:37 -04:00
Thomas Harte
1d479ec2d7 Ensure that reads can only read, accept that source is sometimes written to. E.g. XCHG. 2023-10-31 15:06:19 -04:00
Thomas Harte
02af08ffd2 Fix counts. 2023-10-30 12:32:44 -04:00
Thomas Harte
444c5b94b9 Add summary of accepted failures. 2023-10-29 16:55:07 -04:00
Thomas Harte
7a886f938a Propagate access types, even if incorrect. 2023-10-29 14:33:39 -04:00
Thomas Harte
6da0add100 Permit 1654 failures, the current amount. 2023-10-27 16:30:30 -04:00
Thomas Harte
2d70b44303 Boil down segment ahead of time. 2023-10-27 12:54:42 -04:00
Thomas Harte
11b032fb06 Eliminate length extension. 2023-10-26 23:19:31 -04:00
Thomas Harte
3b62638b30 Remove dead DataPointerResolver and extra-conditional version of source(). 2023-10-25 14:43:58 -04:00
Thomas Harte
0c09c14baa Incorporate instruction length into offsets. 2023-10-25 13:02:43 -04:00
Thomas Harte
6dd5628dd6 Provide full pair for string conversion. 2023-10-25 11:21:11 -04:00
Thomas Harte
239ce75db6 Fix IN and OUT conversion. 2023-10-24 22:35:13 -04:00
Thomas Harte
26c2a29b99 Fix int3 mapping. 2023-10-24 15:09:25 -04:00
Thomas Harte
e36274e5c2 Add segment prefix for MOVS, LODS, etc. 2023-10-24 15:07:53 -04:00
Thomas Harte
0e027445d4 Don't offer repne for reps; print far CALLs and JMPs as h-suffix rather than 0x prefix. 2023-10-24 11:01:38 -04:00
Thomas Harte
20d7079006 Start adaptation to new test disassembly form. 2023-10-23 16:37:27 -04:00
Thomas Harte
49d87c9f27 Fix 16-bit accesses that overlap memory's end. 
1654 failures remaining.
 2023-10-23 10:41:58 -04:00