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506 Commits

Author SHA1 Message Date
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
Thomas Harte
fde5a1c507 Ensure ADDI, SUBI, etc, provide an operation. 2022-04-18 07:42:30 -04:00
Thomas Harte
1991ed0804 Introduce failing [partial-]test of new 68000 decoder. 2022-04-18 07:23:25 -04:00
Thomas Harte
4eb752b000 Even out tabs. 2022-04-15 20:41:39 -04:00
Thomas Harte
bfb29a58f3 Take another crack at neatness; make LEA overt. 2022-04-15 20:33:59 -04:00
Thomas Harte
f86e455a87 Advance permissively through the 4xxx page to LEA. 2022-04-15 16:01:33 -04:00
Thomas Harte
faa35fe9fc Decode MOVE and the fixed 0x4xxx set. 2022-04-15 15:40:31 -04:00
Thomas Harte
89b8b59658 Ostensibly completes the 0 line. 2022-04-15 15:33:54 -04:00
Thomas Harte
de55a1adc4 Require a model for decoding; shift a bunch of immediates into ExtendedOperation. 2022-04-15 09:40:37 -04:00
Thomas Harte
d1613025ee For now, assume the .q actions can be handled inside Preinstruction. 2022-04-13 09:29:12 -04:00
Thomas Harte
cc4431c409 Expand decode to accept a wider array of operations, and then funnel them down. 2022-04-12 16:17:30 -04:00
Thomas Harte
3d5986c55d Some minor style changes, plus I think I've talked myself into an expanded Operation-tracking enum. Probably. 2022-04-12 14:54:11 -04:00
Thomas Harte
9aeb6ee532 Formally prepare for one- and two-operand instructions. 2022-04-12 09:14:46 -04:00
Thomas Harte
e7f6cc598d Make first attempt to complete broad phase of decoding. 2022-04-12 09:08:46 -04:00
Thomas Harte
cd465dd121 Decode page E. 2022-04-12 09:04:40 -04:00
Thomas Harte
174b48a14a Populate lines 9 and D. 2022-04-12 08:57:40 -04:00
Thomas Harte
bca18e7aba Fill in line decoders for 5, 6 and 7. 
This leaves 9, D and E to go.
 2022-04-12 08:44:32 -04:00
Thomas Harte
17e761d6c6 Add enough code to pages 0–3 to shift problem to decode(). 2022-04-12 08:36:44 -04:00
Thomas Harte
c50556dde4 Create empty line decoders. 2022-04-12 08:16:29 -04:00
Thomas Harte
dd5bdd67d7 Add B page and a large chunk of 4. 2022-04-12 07:49:08 -04:00
Thomas Harte
21ac9363e9 Add page 8. 2022-04-11 16:32:57 -04:00
Thomas Harte
8e3cccf4d6 Begins a formalised 68k decoder. 2022-04-11 15:00:55 -04:00
Thomas Harte
bb5cf570e5 Remove conditional, make generic enough for both 32- and 64-bit operation. 2022-04-10 15:18:23 -04:00
Thomas Harte
7002d6d306 Improve accuracy of comment. 2022-04-10 09:37:18 -04:00
Thomas Harte
1b8d8f3a04 Default to 32-bit versions. 2022-04-10 09:35:58 -04:00
Thomas Harte
284440336d Correct rotate_mask(). 2022-04-10 09:31:39 -04:00
Thomas Harte
140ae7a513 Clarify template parameters. 2022-04-10 08:57:09 -04:00
Thomas Harte
7de50b5e2e Provide 64-bit me, mb and sh. Add direct getter for rotate masks. 2022-04-09 21:08:01 -04:00
Thomas Harte
4652a84b43 Add exposition. 2022-04-09 19:20:13 -04:00
Thomas Harte
9e0755bc86 Introduce overlooked: ld, ldu, rldclx, rldcrx, rldicx, rldiclx, rldicrx, rldimix. 2022-04-09 18:28:51 -04:00
Thomas Harte
da0f7d7907 Rearrange into alphabetical order. 2022-04-09 10:20:03 -04:00
Thomas Harte
88d72bf31d Fill in more mnemonics. 2022-04-08 10:01:52 -04:00
Thomas Harte
aac2f7dd73 Add missing validations. 2022-04-08 09:47:04 -04:00
Thomas Harte
1f44ad1723 Completes test cases. 2022-04-06 21:09:58 -04:00
Thomas Harte
4ab1857a11 Complete MPC601 commentary. 2022-04-06 20:53:44 -04:00
Thomas Harte
d23c714ec7 Build in an optional post hoc validation. 
TODO: validate.
 2022-04-05 11:23:54 -04:00
Thomas Harte
59a1fde2a1 Fix is_zero_mask. 2022-04-03 20:37:09 -04:00
Thomas Harte
31276de5c3 Complete 'misc instructions' tests. 2022-04-03 20:33:32 -04:00
Thomas Harte
c581aef11d Test as far as mffs. 2022-04-03 18:29:40 -04:00
Thomas Harte
7f6a955a71 Complete the cmp set. 2022-04-03 15:50:03 -04:00
Thomas Harte
125d97cc41 Complete floating point tests. 2022-04-03 08:55:28 -04:00
Thomas Harte
de7d9ba471 Add further floating point tests. 2022-04-03 08:06:59 -04:00
Thomas Harte
ad54b44235 Begin documentation and testing of the floating point instructions. 2022-04-02 19:58:21 -04:00
Thomas Harte
42532ec0f5 Test floating point loads and stores. 2022-04-02 15:40:17 -04:00
Thomas Harte
b84fa619da Test integer loads and stores. 2022-04-02 15:27:12 -04:00
Thomas Harte
8a1409184f Add decoding of lwa. 2022-04-02 10:31:55 -04:00
Thomas Harte
8a3c16a5bc Add lwa. 2022-04-02 10:26:47 -04:00
Thomas Harte
6343c65ce2 Document further; mftb is optional. 2022-04-02 10:09:58 -04:00
Thomas Harte
d5967f7834 Correct decoding of stwcx. and stdcx. 2022-04-01 20:37:36 -04:00
Thomas Harte
d5f7650ac1 Test synchronising loads and stores, further expand documentation. 2022-04-01 18:30:48 -04:00
Thomas Harte
8f580c256c Remove explanations; saying nothing is better than giving incomplete advice. 2022-04-01 17:49:34 -04:00
Thomas Harte
7c8f044380 Complete shift tests. 2022-04-01 17:22:32 -04:00
Thomas Harte
8efd506471 Transcribe up to the end of 'e', use extswx and remove extsw. 2022-04-01 17:11:57 -04:00
Thomas Harte
e83267751e Start shuffling parameters into conventional order; expand on cmp–cmpli, dcbf–dcbz. 2022-03-30 20:36:46 -04:00
Thomas Harte
84f0b0a84c Test rotates. 2022-03-30 16:43:09 -04:00
Thomas Harte
52e7226655 Merge branch 'PowerPCTests' of github.com:TomHarte/CLK into PowerPCTests 2022-03-29 20:50:40 -04:00
Thomas Harte
b89c8decd4 Test addx–divwx and mtcrf; document fields for crand, etc. 2022-03-29 20:48:43 -04:00
Thomas Harte
d783975597 Start offering a list of relevant fields per Operation. 2022-03-29 19:59:21 -04:00
Thomas Harte
5ec291df5c Merge branch 'PowerPCTests' of github.com:TomHarte/CLK into PowerPCTests 2022-03-29 14:38:28 -04:00
Thomas Harte
0a45355055 Add a few more field comments. 2022-03-29 14:37:21 -04:00
Thomas Harte
99ad40f3e0 Test subfcx, subfx; correct decoding of oe(). 2022-03-28 20:39:52 -04:00
Thomas Harte
b9c8016aca Merge branch 'PowerPCTests' of github.com:TomHarte/CLK into PowerPCTests 2022-03-28 20:20:59 -04:00
Thomas Harte
8ad1f2d4f5 Add bad attempt to catch subfc. 2022-03-28 20:18:41 -04:00
Thomas Harte
dc30581be0 Fix typo; . -> , 2022-03-28 16:39:55 -04:00
Thomas Harte
2e56b606fa Improve file division, document some further operations. 2022-03-27 18:44:56 -04:00
Thomas Harte
d84c72afe5 Test loads and stores, and immediate arithmetic. 2022-03-27 08:47:01 -04:00
Thomas Harte
4f6a9917c6 Test lbzx, lbzux. 2022-03-26 08:45:07 -04:00
Thomas Harte
3d48183753 Test lwzux. 2022-03-25 20:31:47 -04:00
Thomas Harte
33c31eb798 Test lwzx. 2022-03-25 20:23:21 -04:00
Thomas Harte
73ae7ad82f Resolve final branch test: aa() applies. 2022-03-25 20:10:08 -04:00
Thomas Harte
1a5d3bb69c Match majority of branch tests. 2022-03-25 08:41:57 -04:00
Thomas Harte
7d4fe55d63 Handle bclrx set and clear. 2022-03-25 06:25:06 -04:00
Thomas Harte
089e03afe8 Navigates bcctrx tests, adding simplified bo() helpers and bi() helpers. 2022-03-24 20:44:03 -04:00
Thomas Harte
8e019f01ab Document dozx and dozi. 2022-03-21 10:49:01 -04:00
Thomas Harte
77bdaf3c78 These are likely to be useful outside of the decoder. 2022-03-21 10:41:17 -04:00
Thomas Harte
0b6828c895 Decision: these enums will be at namespace scope. 2022-03-21 10:19:30 -04:00
Thomas Harte
d4704c656f Merge branch 'PowerPCTests' of github.com:TomHarte/CLK into PowerPCTests 2022-03-21 10:18:36 -04:00
Thomas Harte
c01192c784 Add exposition for absx to divsx. 2022-03-21 10:17:55 -04:00
Thomas Harte
8adb611edf Attempt to clarify with an enum. 2022-03-19 12:27:28 -04:00
Thomas Harte
e5af5b57ad Add documentation for bx, bcx, bcctrx. 
Catch bcx tests.
 2022-03-18 19:55:26 -04:00
Thomas Harte
1725894fe9 Eliminate redundant CMPSD, CDQ, CWDE. 
Also removes IBTS for now, as I'm unclear where it should sit in the opcode map.
 2022-03-12 12:24:44 -05:00
Thomas Harte
fd4f85eb19 Add SMSW. 2022-03-12 12:23:48 -05:00
Thomas Harte
f1c4864016 Eliminate INSD. 2022-03-12 11:37:21 -05:00
Thomas Harte
e6bd265729 Explain which BOUNDs operand is which. 2022-03-11 20:34:28 -05:00
Thomas Harte
c22e8112e7 Expand exposition. 2022-03-11 20:30:56 -05:00
Thomas Harte
44252984c2 Eliminate INT3 special case. 2022-03-11 14:03:46 -05:00
Thomas Harte
4b4f92780e Shuffle extension word order. 
The primary objective here is simplifying index calculation, but as per the note it does also potentially open up options with regard to packing in the future.
 2022-03-11 13:24:45 -05:00
Thomas Harte
f694620087 Resolve TODO. 2022-03-11 13:10:44 -05:00
Thomas Harte
9b4048ec6e The address size modifier doesn't seem to affect far address sizes. 
It's meant to affect only instructions with operands that reside in memory, I think. So probably only ::DirectAddress in my nomenclature. More research to do.
 2022-03-11 12:46:07 -05:00
Thomas Harte
c744a97e3c Ensure no extensions for default constructed Instruction. 2022-03-11 11:55:26 -05:00
Thomas Harte
91d75d7704 Switch strategy on 8086 instruction lengths. 2022-03-11 09:48:26 -05:00
Thomas Harte
dc8cff364f Switch to common test. 2022-03-11 09:48:02 -05:00
Thomas Harte
572dc40e6b Allow assignments. 2022-03-11 09:47:23 -05:00
Thomas Harte
f92ffddb82 Add instruction length limits. 2022-03-10 20:47:56 -05:00
Thomas Harte
641e0c1afc Resolve default segment question. 2022-03-10 20:27:35 -05:00
Thomas Harte
bf7faa80c1 Add TODO. 2022-03-10 16:47:54 -05:00
Thomas Harte
a2ae3771eb Add test for switch to Source::IndirectNoBase. 2022-03-10 15:45:56 -05:00
Thomas Harte
673ffc50da Switch to intended compact version of Instruction. 2022-03-10 15:14:50 -05:00
Thomas Harte
6dc9973754 Incorporate length into Instruction. 2022-03-10 07:12:12 -05:00
Thomas Harte
cf6a910630 Handle no-base case directly in existing switch. 2022-03-09 20:20:32 -05:00
Thomas Harte
520baa6ec8 Formalise IndirectNoBase and permit a knowledgable caller to avoid conditionals. 2022-03-09 20:19:40 -05:00