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606 Commits

Author SHA1 Message Date
Thomas Harte
c6c6213460 Bifurcate the fetch-operand flow. 
Address calculation will be the same, but the fetch will differ. I don't think there's a neat costless way to factor out the address calculations, alas, but I'll see whether macros can save the day.
 2022-05-19 10:27:51 -04:00
Thomas Harte
3db2de7478 Works 68000 mk2 into the comparative tests. 
... revealing that I've leant a little too hard on __LINE__.
 2022-05-16 20:04:13 -04:00
Thomas Harte
acb63a1307 Pull generalised DIVU/DIVS into a macro. 2022-05-15 20:01:51 -04:00
Thomas Harte
341bf2e480 Repattern DIVS after DIVU. 2022-05-15 16:54:58 -04:00
Thomas Harte
ff8e4754d7 Ensure STOP exits the run loop. 2022-05-14 19:17:32 -04:00
Thomas Harte
27c4d19455 Support STOP. 2022-05-14 11:35:35 -04:00
Thomas Harte
f83954f5b7 Switch to common bit-selection logic. 2022-05-13 15:08:15 -04:00
Thomas Harte
77b56c50e6 Ensure you can't trace into divide-by-zero, etc. 2022-05-13 14:02:56 -04:00
Thomas Harte
002a8c061f Trim the public interface of Executor. 2022-05-13 13:55:37 -04:00
Thomas Harte
4299334e24 Clean up some TODOs, eliminate one further conditional. 2022-05-13 11:17:57 -04:00
Thomas Harte
4d03c73222 Ensure that the first instruction of privilege/line1010/etc exceptions isn't traced. 2022-05-13 11:08:22 -04:00
Thomas Harte
7a2fd93d08 Document BusHandler interface. 2022-05-13 10:59:36 -04:00
Thomas Harte
5b67c9bf4a MOVE to SR requires supervisor privileges. 2022-05-13 09:01:03 -04:00
Thomas Harte
6c854e8ecc Simplify is_supervisor semantics. 2022-05-13 07:53:40 -04:00
Thomas Harte
2e796f31d4 Support interrupts; documentation to come. 2022-05-12 20:52:24 -04:00
Thomas Harte
2fa6b2301b Move string logic into Preinstruction. 2022-05-12 19:46:08 -04:00
Thomas Harte
a6e4d23c29 Tidy up primarily as per PatickvL's comments. 
... though pulling the flag values out of an enum and into a namespace is entirely my own contribution, to keep them in their own namespace but having them overtly be ints.
 2022-05-12 16:23:07 -04:00
Thomas Harte
6d43576db7 Remove errant semicolon. 2022-05-12 16:21:36 -04:00
Thomas Harte
b7d1bff0c7 Eliminate branches from ABCD. 2022-05-12 15:25:01 -04:00
Thomas Harte
79c5af755f Eliminate branches from SBCD. 2022-05-12 15:18:03 -04:00
Thomas Harte
c6d84e7e60 Use Status::FlagT pervasively. 2022-05-12 11:42:33 -04:00
Thomas Harte
192513656a After much guesswork, fix SBCD and thereby pass flamewing tests. 2022-05-12 11:39:01 -04:00
Thomas Harte
f3c1b1f052 Name flags, remove closing underscores on exposed data fields. 2022-05-12 08:19:41 -04:00
Thomas Harte
bd61c72007 Mutate SBCD to correct values, though not yet statuses. 2022-05-12 07:22:26 -04:00
Thomas Harte
0efeea1294 Slightly improve SBCD. Not there yet though. 2022-05-12 07:07:21 -04:00
Thomas Harte
a9902fc817 Fix ABCD when the result has an invalid lower digit. 2022-05-11 16:31:27 -04:00
Thomas Harte
d492156453 Add noreturn attribute as a warning. 2022-05-11 10:51:48 -04:00
Thomas Harte
96af3d5ec5 Fix infinite inner/outer loop. 2022-05-11 10:26:12 -04:00
Thomas Harte
69ba14e34e Support the trace flag. 2022-05-11 09:39:15 -04:00
Thomas Harte
943c924382 Add missing: MOVE to/from USP, RESET. 2022-05-11 07:52:23 -04:00
Thomas Harte
4b97427937 Remove further magic constants. 2022-05-11 07:00:35 -04:00
Thomas Harte
ab8e1fdcbf Take a swing at access faults and address errors. 2022-05-10 16:20:30 -04:00
Thomas Harte
477979c275 Fully formulate and document the flow controller. 2022-05-10 10:34:07 -04:00
Thomas Harte
c635720a09 Tidy up; provide a notification for bit-change operations. 2022-05-10 08:23:25 -04:00
Thomas Harte
f2a6a12f79 Remove further vestiges of timing. 2022-05-09 20:58:51 -04:00
Thomas Harte
7445c617bc Start removing 68000-specific timing calculations. 2022-05-09 20:32:02 -04:00
Thomas Harte
8e7340860e Minor thematic rearrangement. 2022-05-09 16:35:17 -04:00
Thomas Harte
2ca1eb4cf8 Move set_pc into the operation-specific group. 2022-05-09 16:20:15 -04:00
Thomas Harte
0af8660181 Remove add_pc and decline_branch in favour of operation-specific signals. 2022-05-09 16:19:25 -04:00
Thomas Harte
2f7cff84d9 Enable missing rotates and shifts. 2022-05-09 11:26:01 -04:00
Thomas Harte
8e5650fde9 Clean up Instruction.hpp. 2022-05-09 10:13:42 -04:00
Thomas Harte
539932dc56 Provide function codes. TODO: optionally. 2022-05-09 09:18:02 -04:00
Thomas Harte
e35de357fa Route reads and writes through a common path. 2022-05-08 17:17:46 -04:00
Thomas Harte
0818fd7828 Ensure no status updates fall through the cracks. 2022-05-07 21:29:12 -04:00
Thomas Harte
98cb9cc1eb Fix CHK operand size. 2022-05-07 21:16:44 -04:00
Thomas Harte
bf8c97abbb Permit TRAP, TRAPV and CHK to push the next PC rather than the current. 2022-05-07 20:32:39 -04:00
Thomas Harte
ad6cf5e401 Pull out magic constant, simplify sp and TAS. 2022-05-07 20:20:24 -04:00
Thomas Harte
2b3900fd14 Fix LINK A7. 2022-05-07 08:15:26 -04:00
Thomas Harte
1defeca1ad Implement RTS, RTR, RTE. 2022-05-06 12:30:49 -04:00
Thomas Harte
ac6a9ab631 Fix TAS Dn. 2022-05-06 12:23:04 -04:00
Thomas Harte
8176bb6f79 Expose issues with TST and TAS. 2022-05-06 12:18:56 -04:00
Thomas Harte
9c266d4316 Proceed to unimplemented TST. 2022-05-06 11:33:57 -04:00
Thomas Harte
190a351a29 Fix address writeback. 2022-05-06 09:56:01 -04:00
Thomas Harte
607ddd2f78 Preserve MOVEM order in Operation. 2022-05-06 09:45:06 -04:00
Thomas Harte
fed79a116f Be overt about the size being described here. 2022-05-06 09:22:38 -04:00
Thomas Harte
5db0ea0236 Add note for my tomorrow self. 2022-05-05 21:11:02 -04:00
Thomas Harte
06fe320cc0 Correct source counting, but this leaves the operands still being the wrong way around. 2022-05-05 21:06:53 -04:00
Thomas Harte
f7991e18de Makes a failed attempt to implement MOVEM to registers. 2022-05-05 20:32:21 -04:00
Thomas Harte
d7d0a5c15e Implement MOVEM to memory. 2022-05-05 18:51:29 -04:00
Thomas Harte
47f4bbeec6 Switch to a contiguous block of 16 registers. 2022-05-05 15:31:59 -04:00
Thomas Harte
9ab70b340c Route MOVEM appropriately. 2022-05-05 12:42:57 -04:00
Thomas Harte
70cdc2ca9f Fix MOVEP to register. 
Advance to lack of MOVEM.
 2022-05-05 12:37:47 -04:00
Thomas Harte
f63a872387 BTST does not write back. 2022-05-05 12:32:15 -04:00
Thomas Harte
67462c2f92 Rewire MOVEP. 2022-05-05 12:27:36 -04:00
Thomas Harte
4a4e786060 Hit a realisation: write-back isn't going to work with MOVEP as formulated. 2022-05-05 09:26:26 -04:00
Thomas Harte
665f2d4c00 Attempts MOVEP. 2022-05-05 09:00:33 -04:00
Thomas Harte
64586ca7ba Implement BTST/etc. 2022-05-04 20:57:22 -04:00
Thomas Harte
15c90e546f Fix rotates and shifts to memory. 2022-05-04 19:44:59 -04:00
Thomas Harte
5aabe01b6d Mostly fix LINK and UNLK. 2022-05-04 08:41:55 -04:00
Thomas Harte
5d1d94848c Take a bash at LINK and UNLK. 2022-05-04 08:26:11 -04:00
Thomas Harte
7d10976e08 Add LINK and UNLINK to operand_flags. 2022-05-03 20:51:02 -04:00
Thomas Harte
d3b55a74a5 Fix LEA, proceed to non-functional LINK and UNLK. 2022-05-03 20:45:36 -04:00
Thomas Harte
de58ec71fd Fix EXT, SWAP. 2022-05-03 20:17:36 -04:00
Thomas Harte
052ba80fd7 Add enough wiring to complete but fail EXT and JMP/JSR. 2022-05-03 15:49:55 -04:00
Thomas Harte
39f0ec7536 Get far enough through CHK to realise that MOVEM probably needs to be divided by direction. 2022-05-03 15:40:04 -04:00
Thomas Harte
af973138df Correct decoding of Bcc.b, satisfying Bcc and BSR tests. 2022-05-03 15:32:54 -04:00
Thomas Harte
5a87506f3d Fix Bcc, making decision that add_pc is relative to start of instruction. 2022-05-03 15:21:42 -04:00
Thomas Harte
90f0005cf2 Proceed to failing Bcc and flagging up my lack of an implementation for BSR. 2022-05-03 14:45:49 -04:00
Thomas Harte
d8b3748d24 Fix Scc size, DBcc behaviour. 2022-05-03 14:40:51 -04:00
Thomas Harte
1b224c961e Fix Scc, add operand flags for DBcc. 2022-05-03 14:23:57 -04:00
Thomas Harte
b6ffff5bbd Distinguish [ADD/SUB]QA from [ADD/SUB]Q. 2022-05-03 14:17:26 -04:00
Thomas Harte
b3cf13775b Consume operand_flags into Instruction.hpp. 2022-05-03 11:09:57 -04:00
Thomas Harte
c61809f0c4 Add CMPAl. 2022-05-03 09:20:02 -04:00
Thomas Harte
2f2d6bc08b Correct CMPw. 2022-05-03 09:05:34 -04:00
Thomas Harte
1bb809098c Switch — messily — to a more compact way of indicating sequence. 2022-05-03 09:04:54 -04:00
Thomas Harte
011506f00d Add basic exceptions. 2022-05-02 21:27:58 -04:00
Thomas Harte
25ab478461 Fix immediate byte and word fetches. 2022-05-02 20:17:44 -04:00
Thomas Harte
fc9a35dd04 Test add/sub, add an exception for invalid Sequences. 2022-05-02 20:09:38 -04:00
Thomas Harte
7efe30f34c Fix (d8, _, Xn) calculation. 2022-05-02 15:09:59 -04:00
Thomas Harte
3827ecd6d3 Proceed to complete test running. 2022-05-02 12:57:45 -04:00
Thomas Harte
14532867a4 Sneaks towards testing EXT. 2022-05-02 08:00:56 -04:00
Thomas Harte
73f340586d Proceed to building, but failing tests. 2022-05-02 07:45:07 -04:00
Thomas Harte
56fe00c5fb Correct errors preparatory to Executor's lack of flow controller actions. 2022-05-01 20:40:57 -04:00
Thomas Harte
3c26177239 Provide both compile- and run-time operation selection options. 2022-05-01 17:39:56 -04:00
Thomas Harte
fe8f0d960d Equivocate. 
(Specifically: addresses cannot generally be obtained in advance, as they are often the product of registers, but things like displacements, immediate values and absolute addresses can)
 2022-05-01 15:30:03 -04:00
Thomas Harte
c72caef4fd Correct further size specifiers. 2022-05-01 15:21:58 -04:00
Thomas Harte
0720a391e8 Correct address register mutations. 2022-05-01 15:18:06 -04:00
Thomas Harte
d16ac70a50 Correct include path. 2022-05-01 15:14:12 -04:00
Thomas Harte
fc8e020436 Improve field name. 2022-05-01 15:12:13 -04:00
Thomas Harte
6b073c6067 Attempt to round out addressing modes, shift to a header, as per templating on BusHandler. 2022-05-01 15:10:54 -04:00
Thomas Harte
0b19bbff8d Marginally refactor, to avoid repetition of read/write branch. 2022-05-01 13:09:28 -04:00
Thomas Harte
42927c1e32 Establish more of the 680x0 executor loop. 2022-05-01 13:00:20 -04:00
Thomas Harte
df999978f1 Figure out what the call to perform should look like. 
Albeit that this class doesn't currently offer any of the proper flow control actions.
 2022-04-30 20:34:44 -04:00
Thomas Harte
43cd740a7b Shuffle Step to give meaning to the LSB. 2022-04-30 20:33:35 -04:00
Thomas Harte
52f355db24 Decision: operation is not a template parameter. Hence can use condition as fully typed. 2022-04-30 14:08:51 -04:00
Thomas Harte
a86c5ccdc9 Merge branch '68000Perform' of github.com:TomHarte/CLK into 68000Perform 2022-04-30 14:02:23 -04:00
Thomas Harte
e532562108 Merge branch 'master' into 68000Perform 2022-04-30 14:02:17 -04:00
Thomas Harte
8d24c00df2 Include decoded condition in Preinstruction. 2022-04-30 09:00:47 -04:00
Thomas Harte
f4074e0bba Add basic status. 2022-04-30 08:38:28 -04:00
Thomas Harte
e4426dc952 Introduce calculate EA steps. 2022-04-29 20:30:48 -04:00
Thomas Harte
9359f6477b Start drafting an Executor. 2022-04-29 17:12:06 -04:00
Thomas Harte
a103f30d51 Attempt to game out LEA, PEA. Add various special MOVEs. 2022-04-29 14:43:58 -04:00
Thomas Harte
78b60dbd1a Evict MOVEM and MOVEP, enable TRAP and TRAPV, complete CHK. 2022-04-29 14:43:30 -04:00
Thomas Harte
cde75a1c00 Make steps more visible. 2022-04-29 11:26:39 -04:00
Thomas Harte
b9d243552c MOVEs don't read from operand 2. 2022-04-29 11:22:06 -04:00
Thomas Harte
85242ba896 Add to Xcode project, template on Model as per CLR being odd. Fill in some obvious answers. 2022-04-29 11:10:14 -04:00
Thomas Harte
d16dab6f62 Starts introducing a sequencer, to resolve responsibility of perform. 2022-04-29 10:40:19 -04:00
Thomas Harte
8066b19f93 Correct typos. 2022-04-29 07:57:02 -04:00
Thomas Harte
abd2a831a3 Added a further ambiguity. 2022-04-29 05:08:44 -04:00
Thomas Harte
824d3ae3f7 Conclusion: a union does produce better code. 
(But needn't be so verbose)
 2022-04-29 04:51:02 -04:00
Thomas Harte
727a14c6f9 Add notes for myself on decisions yet to make. 2022-04-29 03:53:17 -04:00
Thomas Harte
13d20137d3 Tackle two lingering references to exception_handler. 2022-04-29 03:38:23 -04:00
Thomas Harte
9680566595 Include in automated build, temporarily. 2022-04-28 20:42:44 -04:00
Thomas Harte
33c9ea2cf7 A flow controller feels more natural than an exception handler. 2022-04-28 20:42:04 -04:00
Thomas Harte
1d8d2b373b Port all simple instruction bodies. 2022-04-28 16:55:47 -04:00
Thomas Harte
611b472b12 Add evaluate_condition, to check standard 68000 condition codes. 2022-04-28 16:54:57 -04:00
Thomas Harte
bb73eb0db3 Start working on an isolation of 68000 instruction execution. 2022-04-28 15:35:40 -04:00
Thomas Harte
39261436c8 Remove unused type alias. 2022-04-27 19:53:32 -04:00
Thomas Harte
5e355383df Correct SIB test. 2022-04-27 19:53:15 -04:00
Thomas Harte
9cbbb6e508 Adjust path to match namespace; add to Qt project. 2022-04-27 08:05:36 -04:00
Thomas Harte
8902bb1af0 Include size and supervisor flag in Preinstruction. 2022-04-26 19:44:02 -04:00
Thomas Harte
baf1bd354d Avoid packing/unpacking of operands. 2022-04-26 19:37:07 -04:00
Thomas Harte
539c2985aa Fill in size table, define quick to return a uint32_t. 2022-04-26 12:30:14 -04:00
Thomas Harte
5c356e15b5 Completes requires_supervisor. 2022-04-25 20:05:45 -04:00
Thomas Harte
8ff0b71b29 Subsume MOVEQ into MOVE.l; add missing invalid_operands. 2022-04-25 19:58:19 -04:00
Thomas Harte
8f8f201186 Complete transition to simple AND-based verification. 2022-04-25 16:23:16 -04:00
Thomas Harte
0c688757b0 Adapt the last of the MOVEs, TAS, NOT, SUB and TST. 2022-04-25 16:05:44 -04:00
Thomas Harte
5778e92e70 Adapt MOVE, DIV, MUL, OR. 2022-04-25 15:43:25 -04:00
Thomas Harte
3268ea42ff Translate SUB, PEA. 2022-04-25 12:41:41 -04:00
Thomas Harte
1538500903 Add enough to make AND masks the default case. 2022-04-25 12:30:44 -04:00
Thomas Harte
6ca30a16ca Update JMP, JSR. 2022-04-25 12:05:07 -04:00
Thomas Harte
e6dc2e0d31 Add EXG, EXT. 2022-04-25 11:49:14 -04:00
Thomas Harte
9bbd1390c1 Add new-style validation of EORI to CCR, move EXG decoding into page navigation. 2022-04-25 11:43:30 -04:00
Thomas Harte
27f8db6e8b Update DBcc, DIVU/DIVS, EOR. 2022-04-25 09:49:18 -04:00
Thomas Harte
dda0c0e097 Update CMPM, CMPI. 2022-04-25 09:39:22 -04:00
Thomas Harte
f5ea5c26a3 Translate CHK, CLR, CMP, CMPA. 2022-04-24 21:05:00 -04:00
Thomas Harte
d01fa96177 Port BSR, BTST. 2022-04-24 20:49:41 -04:00
Thomas Harte
03caa53863 Translate BSET. 2022-04-24 19:58:10 -04:00
Thomas Harte
4f4a2e6d92 Translate ASL, ASR, Bcc, BCHG, BCLR. 2022-04-24 19:53:54 -04:00
Thomas Harte
87178ed725 Port AND. 2022-04-24 15:12:18 -04:00
Thomas Harte
94e5436f6e Attempt a more compact retelling. 2022-04-24 14:47:14 -04:00
Thomas Harte
b965f2053a Start experimenting with a simple AND for operand validation. 2022-04-24 10:43:06 -04:00
Thomas Harte
edee078f0a Eliminate last set of failures. 2022-04-22 20:57:45 -04:00
Thomas Harte
d4b766bf3f Introduce directional ADD/SUB/AND/OR. 
Just 512 failures to go.
 2022-04-22 20:37:09 -04:00
Thomas Harte
72772c9a83 Remove branch from combined_mode. 
On x86 it was probably only a conditional move, but this is fine.
 2022-04-22 15:11:41 -04:00
Thomas Harte
4c806d7c51 Tidy up slightly, ahead of a final push to getting complete test success. 
After which I can start undoing style errors.
 2022-04-22 14:51:25 -04:00
Thomas Harte
96afcb7a43 Introduce remainder of tests. 2022-04-22 14:33:43 -04:00
Thomas Harte
efeee5160e Add tests for RTE, RTR, TRAP, TRAPV, CHK. 2022-04-22 10:06:39 -04:00
Thomas Harte
06fb502047 Add MUL/DIV tests and exclusions. 2022-04-22 09:47:16 -04:00
Thomas Harte
977192f480 Resolve D-page decoding errors. 
In particular: that I'd overlooked CMPM, and was treating NOT as two-operand.
 2022-04-22 09:24:16 -04:00
Thomas Harte
cf66d9d38d Add failing tests for EOR, NOT, OR; disambiguate EOR vs CMP. 2022-04-21 20:36:04 -04:00
Thomas Harte
25eeff8fc5 Correct CMP decoding, correct AND as far as asymmetry of Dn, Dn. 2022-04-21 20:14:52 -04:00
Thomas Harte
bf9fc0ae96 Correct decoding of BSR. 2022-04-21 16:24:34 -04:00
Thomas Harte
a8a1a74b79 Correct BSRb quick value. 2022-04-21 16:13:06 -04:00
Thomas Harte
549e440f7c Add 'quick' decoding and testing. 2022-04-21 16:05:00 -04:00
Thomas Harte
45c02c31f8 Add MOVEM exclusions. 2022-04-21 15:47:34 -04:00
Thomas Harte
b6b092d124 Add tests, exclusions for rest of shift/roll group. 2022-04-21 11:26:56 -04:00
Thomas Harte
3af93ada6f Test and correct Bcc, BSR, CLR, NEGX, NEG. 2022-04-20 20:19:56 -04:00
Thomas Harte
dc16928f74 Add appropriate exclusions for JSR, JMP, Scc. 2022-04-20 16:56:26 -04:00
Thomas Harte
80ff146620 Add CMP, CMPA and TST tests and exclusions. 2022-04-20 16:29:45 -04:00
Thomas Harte
d4fe9d8166 Complete BTST/etc exclusions. 2022-04-20 16:16:24 -04:00
Thomas Harte
85a0af03c1 Import more standard JSON; start validating. 2022-04-20 09:17:00 -04:00
Thomas Harte
dc43f5605b Give MOVEPs precedence. 2022-04-20 08:40:56 -04:00
Thomas Harte
fab064641f Add Move[to/from][SR/CCR/USP] tests, correct decodings. 2022-04-20 07:59:13 -04:00
Thomas Harte
316e9681cc Weed out false PEAs. 2022-04-19 20:34:08 -04:00
Thomas Harte
4181313cc6 Correct decoding of SWAP. 2022-04-19 20:28:00 -04:00
Thomas Harte
6aabc5e7b0 Test LEA, PEA, add name for MOVEq. 2022-04-19 19:45:51 -04:00
Thomas Harte
343a8e0192 Resolve wrong-headed mapping of LEA to MOVEAl. 2022-04-19 19:36:21 -04:00
Thomas Harte
ef87d09cfa Clear up MOVEs, fail on MOVEAs. 2022-04-19 17:13:23 -04:00
Thomas Harte
d21c67f237 Don't permit byte move from address register. 2022-04-19 16:49:26 -04:00
Thomas Harte
de40fed248 Test MOVEs and add operand validation. 2022-04-19 16:31:03 -04:00
Thomas Harte
76d7e0e1f8 Test and correct SUBs. 2022-04-19 16:27:20 -04:00
Thomas Harte
1f585d67b6 ADDA: correct decoding, add validation. 2022-04-19 14:43:01 -04:00
Thomas Harte
5b22e94a4b Map invalid reg+mode combinations to AddressingMode::None; add validation of ADDs and decoding of ADDX. 2022-04-19 14:36:36 -04:00
Thomas Harte
7749aef6b6 Improve const correctness. 2022-04-19 14:35:40 -04:00
Thomas Harte
5de8fb0d08 Disallow four illegal NBCD addressing modes. 2022-04-19 09:59:02 -04:00
Thomas Harte
19f7335926 Add post validation step. 2022-04-19 09:44:02 -04:00
Thomas Harte
99f4cd867d Decode the two EXTs. 2022-04-19 08:42:17 -04:00
Thomas Harte
93fe3459fd The quick value won't always fit in reg; turf the problem elsewhere. 2022-04-19 08:37:35 -04:00
Thomas Harte
1abd3bd7f3 Decode SWAP. 2022-04-19 08:37:13 -04:00
Thomas Harte
fc4fd41be4 Reorder from most specific to least. 2022-04-19 08:00:52 -04:00
Thomas Harte
e4c6251ef5 Express the BSR/Bcc.l test properly. 2022-04-18 14:42:31 -04:00
Thomas Harte
7aa250eaf7 Advances to hitting the same absent/present mapping as the old decoder. 2022-04-18 14:41:26 -04:00
Thomas Harte
ff380b686a Decode MOVEq. 2022-04-18 09:12:45 -04:00
Thomas Harte
d2452f4b68 Fix SUBQ ExtendedOperation mappings. 2022-04-18 09:08:49 -04:00
Thomas Harte
deb9c32a38 Add missing Sccs. 2022-04-18 09:04:17 -04:00
Thomas Harte
440f45b996 Attempt decoding and disambiguation of Scc, DBcc, Bcc and BSR. 2022-04-18 08:55:46 -04:00
Thomas Harte
7d64c4ec66 Add STOP. 2022-04-18 08:29:10 -04:00
Thomas Harte
7fe0d530c1 Add a decoder for TRAP. 2022-04-18 08:05:33 -04:00
Thomas Harte
c944767554 Better document decoding patterns, add LEA and CHK. 2022-04-18 08:00:43 -04:00