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8,820 Commits 7 Branches 121 Tags 500 MiB
977192f480
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297 Commits

Author SHA1 Message Date
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