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920 Commits

Author SHA1 Message Date
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
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
430c60111e CMP doesn't write. 2023-10-31 22:42:39 -04:00
Thomas Harte
2432396eaa Fix SETMOC. 2023-10-31 22:04:26 -04:00
Thomas Harte
da2aea94e3 Fix CMPS. 2023-10-31 21:58:32 -04:00
Thomas Harte
9538491ee9 Fix pushes and pops. 2023-10-31 21:55:30 -04:00
Thomas Harte
724e08d4f1 Update commentary on semantics. 2023-10-31 15:09:21 -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
1cd1bbd26c Make a first pass of access types. 2023-10-29 16:19:10 -04:00
Thomas Harte
7a886f938a Propagate access types, even if incorrect. 2023-10-29 14:33:39 -04:00
Thomas Harte
3ee0fcaaeb Hatch an appropriate enum. 2023-10-28 15:56:37 -04:00
Thomas Harte
f9d1a4dd8f Add Repetition::Rep to unify repeat logic. 2023-10-27 16:27:24 -04:00
Thomas Harte
66cee41b99 Fix port. 2023-10-27 14:04:23 -04:00
Thomas Harte
a30cad5e8a Rearrange class for clarity. 2023-10-27 14:02:53 -04:00
Thomas Harte
f9d98ed219 Fix packing_size. 2023-10-27 13:46:14 -04:00
Thomas Harte
2d70b44303 Boil down segment ahead of time. 2023-10-27 12:54:42 -04:00
Thomas Harte
5b0d2d754f Update comments. 2023-10-26 23:27:56 -04:00
Thomas Harte
11b032fb06 Eliminate length extension. 2023-10-26 23:19:31 -04:00
Thomas Harte
8e35a56ff7 Include repetition in operation; simplify Instruction constructor. 2023-10-26 23:08:07 -04:00
Thomas Harte
dafb134cdc Eliminate dead detour. 2023-10-25 22:27:44 -04:00
Thomas Harte
de230fb6be Resolve for work factored out. 2023-10-25 22:21:23 -04:00
Thomas Harte
29a921f764 Remove TODO, add exposition. 2023-10-25 16:15:08 -04:00
Thomas Harte
a2826cdee5 Propagate address size. 2023-10-25 16:00:01 -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
cc9e8117ab Add note. 2023-10-24 16:43:22 -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
7a4d74b8e4 Correct copy and paste error: 0x27 is DAA. 2023-10-23 10:07:57 -04:00
Thomas Harte
82c66e7433 Fix far jump with immediate operand. 
1655 failures remaining.
 2023-10-23 10:07:19 -04:00
Thomas Harte
817a30332c Take a swing at LEA r16, r16. 2023-10-22 22:15:27 -04:00
Thomas Harte
e3cdf113d1 Implement INS, OUTS. 2023-10-21 22:52:50 -04:00
Thomas Harte
aade91f043 Implement IN, OUT. 2023-10-21 22:37:25 -04:00
Thomas Harte
c2ebbe5ad9 Implement STOS with one failure. 2023-10-20 21:54:30 -04:00
Thomas Harte
4efc181f07 Fix memory handler, STOS. 2023-10-20 21:49:34 -04:00
Thomas Harte
93e90b09a0 Implement MOVS, STOS, revealing an issue in the memory handler. 2023-10-20 21:46:47 -04:00
Thomas Harte
dab3dcaafb Fix LODS: REP is not REPE. 2023-10-20 21:36:50 -04:00
Thomas Harte
8caad8b99d Document slightly. 2023-10-20 17:25:27 -04:00
Thomas Harte
bee094eba1 Add LODS; somehow manage to fail some of its tests. 2023-10-20 17:13:56 -04:00
Thomas Harte
bcebb2e520 Further reduce repetition overhead. 2023-10-20 17:08:11 -04:00
Thomas Harte
0f5e0e17a4 Fix address manipulation. 2023-10-20 17:03:23 -04:00
Thomas Harte
49ac2d8e0c Improve error reporting, remove some dead TODOs. 2023-10-20 17:00:32 -04:00
Thomas Harte
a71db54212 Simplify flow slightly; uncover issues in CMPSW. 2023-10-20 16:52:47 -04:00
Thomas Harte
efb854ddfa Fix repetition. Sufficient for tests. 2023-10-19 14:40:03 -04:00
Thomas Harte
387a952328 Reduce repetition. 2023-10-19 14:21:08 -04:00
Thomas Harte
f715cd89a9 Attempt CMPS, changing storage of direction; add flags check. 2023-10-19 14:07:59 -04:00
Thomas Harte
617be7cba7 Implement PUSHes and POPs. 2023-10-18 15:59:39 -04:00
Thomas Harte
02cea3047e Implement LOOP, LOOPE, LOOPNE. 2023-10-18 14:04:21 -04:00
Thomas Harte
a8c7871b0c Implement JCXZ. 2023-10-18 13:20:28 -04:00
Thomas Harte
90f49a6e73 Implement JMP. 2023-10-18 13:15:00 -04:00
Thomas Harte
440f3bdb10 Further improve error reporting. 2023-10-16 15:47:06 -04:00
Thomas Harte
89743f0ba0 Implement RET, IRET. 2023-10-16 15:40:24 -04:00
Thomas Harte
f1779e6067 Implement SHR. 2023-10-16 12:34:11 -04:00
Thomas Harte
e38fe7dffc Implement SAL, SAR. 2023-10-14 21:42:33 -04:00
Thomas Harte
f1cba4eb78 Implement remaining rolls. 2023-10-13 22:03:54 -04:00
Thomas Harte
f45d8bcbdb Implement RCR. 2023-10-13 21:44:48 -04:00
Thomas Harte
6f7991f54a Avoid loop. 2023-10-13 21:32:35 -04:00
Thomas Harte
6ec291d96f Move ownership of mask test. 2023-10-13 15:34:06 -04:00
Thomas Harte
1a0f848b21 Implement RCL. 2023-10-13 14:44:22 -04:00
Thomas Harte
bf832768e6 Implement XLAT. 2023-10-12 21:12:03 -04:00
Thomas Harte
d35377c776 Implement SALC, SETMO, SETMOC. 2023-10-12 15:52:05 -04:00
Thomas Harte
97d3a9fa78 Implement MOV. 2023-10-12 15:34:46 -04:00
Thomas Harte
da029ee344 Implement LEA. 2023-10-12 14:31:25 -04:00
Thomas Harte
cf846f501a Implement LDS, LES. 2023-10-12 14:24:28 -04:00
Thomas Harte
e948a67814 Implement SAHF, LAHF. 2023-10-12 13:54:51 -04:00
Thomas Harte
56e639e09a Add INT (including INT3), INTO. 2023-10-11 16:01:09 -04:00
Thomas Harte
e75ef70c96 Further generalise. 2023-10-11 15:08:04 -04:00
Thomas Harte
a768b101f8 Further clean up copy-and-paste mess. 2023-10-11 14:36:42 -04:00
Thomas Harte
7159366360 Collapse all flags accesses behind setters and getters. 2023-10-11 12:35:17 -04:00
Thomas Harte
033ba75376 Standardise repetitive sign/zero/parity sets. 2023-10-11 11:15:59 -04:00
Thomas Harte
fbd647080d Start factoring out useful ALU stuff. 2023-10-11 11:06:20 -04:00
Thomas Harte
4a803e2d43 Reduce ADD/ADC/SUB/SBB repetition. 2023-10-10 22:43:06 -04:00
Thomas Harte
7753497a93 Add header for std::swap. 2023-10-10 22:35:25 -04:00
Thomas Harte
a83b43a1ae Implement XCHG. 2023-10-10 22:34:42 -04:00
Thomas Harte
5125907048 Implement TEST. 2023-10-10 22:28:10 -04:00
Thomas Harte
08867f4970 Implement CMP. 2023-10-10 22:15:33 -04:00
Thomas Harte
d0a9b5cb81 Implement NEG, NOT. 2023-10-10 22:09:10 -04:00
Thomas Harte
0ecc319ee6 Add OR, XOR. 2023-10-10 17:12:06 -04:00
Thomas Harte
de95026076 Implement Jcc. 2023-10-10 16:27:06 -04:00
Thomas Harte
ec982444f7 Add getters to obscure internal flag storage. 2023-10-10 16:14:20 -04:00
Thomas Harte
f083eab011 Implement INC, DEC. 2023-10-10 15:57:33 -04:00
Thomas Harte
3d08953103 Add TODO. 2023-10-10 12:43:41 -04:00
Thomas Harte
dbf7d07609 Add DIV, faulty IDIV. 2023-10-10 10:34:18 -04:00
Thomas Harte
0412890923 Add STC, STD, STI. 2023-10-09 22:16:37 -04:00
Thomas Harte
5e830781cc Implement IMUL, improve test memory footprint. 2023-10-09 22:12:15 -04:00
Thomas Harte
ff6573dd02 Implement MUL. 2023-10-09 21:50:17 -04:00
Thomas Harte
e46e42d896 This is the same test either way around. 2023-10-09 16:47:02 -04:00
Thomas Harte
1cb26cb141 Pull add/sub distinction into templates. 2023-10-09 16:40:50 -04:00
Thomas Harte
f74ca8aee1 Fix SBB. 2023-10-09 16:32:01 -04:00
Thomas Harte
58aa1da649 Fix SUB. SBB still failing. 2023-10-09 16:30:47 -04:00
Thomas Harte
67d364cc89 Add faulty SUB, SBB. 2023-10-09 16:21:04 -04:00
Thomas Harte
d24fa381c7 'Implement' ESC, NOP. 2023-10-09 15:03:01 -04:00
Thomas Harte
fe6e2eb0a1 Generalise CBW. 2023-10-09 15:00:04 -04:00
Thomas Harte
08aed3bac5 Implement CWD. 2023-10-09 14:54:14 -04:00
Thomas Harte
6bbd896c34 Add DAS with a manageable number of failures. 2023-10-09 14:47:39 -04:00
Thomas Harte
0bf2099a70 Improve DAA. 2023-10-09 14:42:32 -04:00
Thomas Harte
1b9e6e8c8e Add DAA, which doesn't yet pass all tests. 2023-10-09 14:27:02 -04:00
Thomas Harte
59521f9d38 Implement CBW, CLC, CLD, CLI, CMC. 2023-10-09 11:59:38 -04:00
Thomas Harte
769aed10ea Reduce repetition. 2023-10-09 11:49:38 -04:00
Thomas Harte
5a77f0c93c Implement CALL. 2023-10-09 11:46:59 -04:00
Thomas Harte
4f14210ee0 Remove ideas discarded. 2023-10-08 22:27:01 -04:00
Thomas Harte
f618ca6046 Implement, test AND. 2023-10-08 22:18:40 -04:00
Thomas Harte
e3b18708c7 Handle segment-boundary word accesses. 
With all ADDs and ADCs enabled, no remaining failures.
 2023-10-08 22:11:05 -04:00
Thomas Harte
bd0b62232f Consider that displacements may always be signed. 
Down to 1 failure.
 2023-10-08 21:41:36 -04:00
Thomas Harte
dbfaef632a Fix DataPointer reference. 
Down from 4521 to 1248 failures within 00.json.gz
 2023-10-08 15:59:30 -04:00
Thomas Harte
0d2af80f7f Avoid access issues if there's no index. 2023-10-08 13:50:36 -04:00
Thomas Harte
6f768d9a3d Start climbing towards address resolution. 2023-10-08 13:47:43 -04:00
Thomas Harte
dd3cc1f510 Fix ADD and ADC sign flags. 2023-10-08 13:39:46 -04:00
Thomas Harte
a4b1d2b00a Float out data resolution. 2023-10-08 13:34:28 -04:00
Thomas Harte
5c62606154 Simplify parity logic. 2023-10-07 13:38:36 -04:00
Thomas Harte
16bf7c6f26 Fix include guard. 2023-10-07 13:31:35 -04:00
Thomas Harte
cf4603cb33 Attempt to check defined flags only. 2023-10-06 16:32:35 -04:00
Thomas Harte
b6d000ac5e Add enough wiring to consolidate failure on lazy handling of flags. 2023-10-06 13:22:35 -04:00
Thomas Harte
82f0cd790f Find first failing execution, note reason. 2023-10-06 11:43:18 -04:00
Thomas Harte
2d17d9d316 Execute some tests at some facile level. 2023-10-06 11:31:45 -04:00
Thomas Harte
a0ca0bb3c0 Mark non-templates as inline. 2023-10-06 11:11:29 -04:00
Thomas Harte
c6b311b84a Explain source of comments. 2023-10-06 11:10:54 -04:00
Thomas Harte
28c7d27cac Establish some proportion of state, ready to execute _something_. 2023-10-06 11:07:33 -04:00
Thomas Harte
90a8999b4b Fix typo. 2023-10-05 22:29:15 -04:00
Thomas Harte
6d392852d2 Hack on through to something that builds. 2023-10-05 22:27:52 -04:00
Thomas Harte
f411a961a3 Create a central location for avoiding segment conditionality. 2023-10-05 17:12:38 -04:00
Thomas Harte
ada411c0d8 It's differing mildly from DataPointResolver, but segue towards a world of real data. 2023-10-05 17:06:00 -04:00
Thomas Harte
eb100e3b29 Start reforming; data size plus register aren't independent in finding a source. 2023-10-05 16:49:02 -04:00
Thomas Harte
15acb1fc7c Add ADC and ADD. 2023-10-05 15:49:07 -04:00
Thomas Harte
09b2cfad8a Add AAM and AAS. 2023-10-05 14:52:24 -04:00
Thomas Harte
059f300500 Start fleshing out x86 performance. 2023-10-05 14:37:58 -04:00
Thomas Harte
524e4ae65c Tidy up just slightly more. 2023-10-05 11:26:52 -04:00
Thomas Harte
488fceb42b Clean up, add a TODO. 2023-10-05 11:23:58 -04:00
Thomas Harte
01851874ea I guess this is what a perform looks like. 2023-10-05 11:23:41 -04:00
Thomas Harte
7f6e3cf8b7 Define the available flags. 2023-10-05 10:51:55 -04:00
Thomas Harte
2d20175472 Explain absence. 2023-10-05 09:27:02 -04:00
Thomas Harte
6597283c34 Simplify roll/shift case. 2023-10-05 09:26:12 -04:00
Thomas Harte
f6fd49d950 Relocate all text wrangling; this isn't really test-specific. 2023-10-04 22:35:52 -04:00
Thomas Harte
40af162214 Be overt about what's here to aid with printing only. 2023-10-04 22:15:13 -04:00
Thomas Harte
92c46faf84 Add SETMO and SETMOC. 2023-09-29 22:28:23 -04:00
Thomas Harte
ff9237be9f Decode SALC. 2023-09-29 22:06:42 -04:00
Thomas Harte
6cbb434482 Deal with all dangling aliases. 
Leaves just five undocumented instructions.
 2023-09-29 15:36:34 -04:00
Thomas Harte
103f42f0b0 Introduce FF.7 alias. 2023-09-29 15:26:25 -04:00
Thomas Harte
f2732962d0 Add 6x 8086 aliases. 2023-09-29 15:22:05 -04:00
Thomas Harte
ef5ee8cf94 Include missing context on JMP/CALL far. 
Zero failing tests amongst official opcodes.
 2023-09-29 14:57:08 -04:00
Thomas Harte
1a6c8a2aed Add outputters for IN and OUT. 
2 failures remaining.
 2023-09-29 09:39:51 -04:00
Thomas Harte
b76899f2bc Undo broken extension-word DS assumption. 
8 failures.
 2023-09-28 22:17:14 -04:00
Thomas Harte
245919e67d Resolve REPNE and whitespace issues. 2023-09-28 22:01:12 -04:00
Thomas Harte
ae4a588de3 Adjust semantics to avoid culling end of relevant RETs. 2023-09-28 15:24:15 -04:00
Thomas Harte
960cca163e Make better guess at CALL/JMP size; apply same sizing-logic as offset for disassembly matching. 
13 failures.
 2023-09-28 14:52:42 -04:00
Thomas Harte
249da884a7 Trim trailing space. 2023-09-28 13:59:41 -04:00
Thomas Harte
035a1265f6 Map invalid reg numbers properly for the 8086. 
17 failures.
 2023-09-28 13:11:15 -04:00
Thomas Harte
ff4d79e77e Add test synonym, fix operand size. 
19 failures.
 2023-09-28 09:43:26 -04:00
Thomas Harte
78cb39ad67 Also fix AddrReg. 
24 failures.
 2023-09-27 22:47:14 -04:00
Thomas Harte
9207de4164 Fix RegAddr macro. 
26 failures.
 2023-09-27 22:44:10 -04:00
Thomas Harte
c20e7ed9b6 Fix TEST. 
28 failures.
 2023-09-27 22:30:40 -04:00
Thomas Harte
2d882d2153 Switch shift/roll semantics to reduce extension words and for sanity generally. 
37 failures.
 2023-09-27 16:40:46 -04:00
Thomas Harte
b59eae3676 Adopt normative ESC decoding. 
55 failures.
 2023-09-27 10:32:22 -04:00
Thomas Harte
5368f789f6 Shuffle list slightly. 2023-09-26 17:30:27 -04:00
Thomas Harte
b03b408984 Give the decoder responsibility for sanity-checking repetitions. 
This may avoid some spurious extension words.
 2023-09-26 17:29:20 -04:00
Thomas Harte
cd072e1b57 LEA implies a word. Otherwise add TODOs. 
So that's now 69 failures.
 2023-09-26 15:41:51 -04:00
Thomas Harte
f16ac603f2 Deal with printing segment:offset. 
70 failing files remaining.
 2023-09-26 15:28:51 -04:00
Thomas Harte
0a0051eb59 I've just been inconsistent with POP. Stop being so. 
71 failures from 288 tests.
 2023-09-26 15:16:41 -04:00
Thomas Harte
92c8e1ca93 Add missing #include. 2023-09-26 14:52:08 -04:00
Thomas Harte
87097c44b9 Curate list of known failures; apply easiest fixes. 
Now at 157 failures of 288 applicable tests.
 2023-09-25 11:39:12 -04:00
Thomas Harte
7fadf01e4e BP in isolation acts as a base. 2023-09-24 18:06:53 -04:00
Thomas Harte
d2b9c435e5 Allow for non-sign-extended offsets/displacements. 2023-09-24 15:00:16 -04:00
Thomas Harte
5fd98e9833 Add an ignore list. 
Leaves 180 failures amongst the valid 306 instructions.
 2023-09-22 22:56:33 -04:00
Thomas Harte
787e9e770e Retain baseless addresses correctly. 2023-09-22 17:27:27 -04:00
Thomas Harte
c8c0c3ca6d Default segment is ::DS if there was no base. 2023-09-22 17:03:40 -04:00
Thomas Harte
5a5f71e703 JMPs imply their size. 2023-09-22 17:00:10 -04:00
Thomas Harte
587ec81900 Improve string output, better to find actual errors. 
Still at 194/324 failures, but a lot of them seem reasonable.
 2023-09-22 11:24:33 -04:00
Thomas Harte
9f63db991c Capture default segments, fix base/index confusion. 2023-09-22 11:07:09 -04:00