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76767110b7
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Author SHA1 Message Date
Thomas Harte
76767110b7 Fix overflow for 8-bit calculations; essentially a revert for ADC. 2022-06-22 15:18:47 -04:00
Thomas Harte
2f684ee66d Use null for values that were never loaded. 2022-06-21 21:47:18 -04:00
Thomas Harte
7dcfa9eb65 65816: improve decimal calculations, posted IO addresses, read/write during redundant read-modify-write cycle. 2022-06-21 14:33:06 -04:00
Thomas Harte
ec98736bd7 Ensure IO cycles don't produce an address of (PC+1). 2022-06-21 11:41:05 -04:00
Thomas Harte
ab0c290489 Use 'x' instead of 'i'. 2022-06-19 06:58:23 -04:00
Thomas Harte
15ac2c3e5a Output to files, at volume, with extended bus flags. 2022-06-18 22:00:50 -04:00
Thomas Harte
0c24a27ba6 Completely prints tests. 2022-06-18 21:32:50 -04:00
Thomas Harte
eb82e06fab Add randomised initial state, fix PC. 2022-06-18 19:21:56 -04:00
Thomas Harte
f8e6954739 Ensure complete runs of each tested opcode. 2022-06-18 16:26:40 -04:00
Thomas Harte
586ef4810b Add restart_operation_fetch, to aid with testing. 2022-06-18 16:25:57 -04:00
Thomas Harte
b62f484d93 Start scaffolding a 65816 test generator. 2022-06-18 13:28:15 -04:00
Thomas Harte
ea0d2971eb
Merge pull request #1052 from TomHarte/StraightforwardMicrocycle 
Clean up Microcycle helpers.
 2022-06-17 12:10:22 -04:00
Thomas Harte
a0bc332fe6 Taking a second parse, prefer non-lookup-table solutions. 2022-06-17 11:55:38 -04:00
Thomas Harte
b0ab5b7b62 Simplify Microcycle helpers. 2022-06-16 21:34:24 -04:00
Thomas Harte
37516e6f6b
Merge pull request #1051 from TomHarte/STOPReturn 
Fix return address following a STOP.
 2022-06-16 15:15:50 -04:00
Thomas Harte
dc8103ea82 Fix return address following a STOP. 2022-06-16 15:10:35 -04:00
Thomas Harte
60daf9678f
Merge pull request #1050 from TomHarte/ByteLengthWarning 
Resolve release-build byte length warning
 2022-06-16 11:16:37 -04:00
Thomas Harte
5d5bd6791b Merge branch 'master' into InMacintosh 2022-06-16 11:01:18 -04:00
Thomas Harte
cb162b6755
Merge pull request #1049 from TomHarte/68000Mk2Bus 
Correct 68000 mark 2 Microcycle helper methods.
 2022-06-15 21:22:49 -04:00
Thomas Harte
7d00b50e13 Fix upper/lower_data_select; simplify value8_low. 2022-06-15 21:11:31 -04:00
Thomas Harte
12b058867e Correct very minor typo. 2022-06-15 19:34:54 -04:00
Thomas Harte
8ff09a1923 Fix value8_high. 2022-06-15 19:34:49 -04:00
Thomas Harte
62fa0991ed Disallow copying, add some basic asserts. 2022-06-15 19:34:43 -04:00
Thomas Harte
f23c5cc6df
Merge pull request #1048 from TomHarte/STOPMk2 
68000mk2: apply STOP status.
 2022-06-15 11:07:14 -04:00
Thomas Harte
24823233ff Add spurious interrupt support. 2022-06-15 11:00:27 -04:00
Thomas Harte
bd056973ba Don't allow STOP state to block execution. 2022-06-15 10:56:45 -04:00
Thomas Harte
5420fd5aa3 Fix: new status word is still in prefetch. 2022-06-15 10:54:34 -04:00
Thomas Harte
93615f6647 Apply new status before entering STOP loop. 2022-06-15 10:50:03 -04:00
Thomas Harte
733ffc0eee
Merge pull request #1047 from TomHarte/OldVsNew 
Introduce randomised old vs new 68000 tests.
 2022-06-15 08:11:54 -04:00
Thomas Harte
6cc41d6dda Restore 1000 test count. 2022-06-14 22:02:53 -04:00
Thomas Harte
d91f8a264e Flip presumption, reenabling most tests. 2022-06-14 21:57:14 -04:00
Thomas Harte
0ace9634ce Fix MOVEA. 2022-06-14 21:56:48 -04:00
Thomas Harte
48d51759cd At huge copy-and-paste cost, fix MOVE.l. 2022-06-14 21:22:28 -04:00
Thomas Harte
bfd0b683bf Extend MOVE.b fix to cover MOVE.w. 2022-06-14 17:04:11 -04:00
Thomas Harte
61e0f60e94 Add specialised MOVE.b to correct bus sequencing. 
This is a bit of a trial balloon; .w and .l to come.
 2022-06-13 21:49:00 -04:00
Thomas Harte
7fa715e37a Provide more thorough documentation. 2022-06-13 15:27:23 -04:00
Thomas Harte
e066546c13 Resolve PEA timing errors. 2022-06-13 14:08:42 -04:00
Thomas Harte
7dc66128c2 Fix strobe output. 2022-06-13 10:49:47 -04:00
Thomas Harte
e484e4c9d7 Expand test to make sure that correct data strobes are active. 2022-06-13 10:39:06 -04:00
Thomas Harte
4a75691005 Avoid double conditional for CalcEffectiveAddressIdleFor8bitDisplacementAndPreDec. 2022-06-13 10:27:22 -04:00
Thomas Harte
8ada73b283 Use the outer switch for addressing mode dispatch, saving a lot of syntax. 2022-06-13 08:57:49 -04:00
Thomas Harte
f316cbcf94 The old implementation was correct. 2022-06-11 21:15:08 -04:00
Thomas Harte
2a9a05785c Bus and address error don't affect interrupt level. 2022-06-11 21:10:24 -04:00
Thomas Harte
0a6b2b7d32 Verify newer CMPA.l, RTE, TRAP[V] and CHK. 2022-06-11 11:17:18 -04:00
Thomas Harte
c3345dd839 Fix MOVEM timing. 2022-06-10 21:52:07 -04:00
Thomas Harte
917b7fbf80 Notarise won't fix status of CLR, NEGX, NEG, NOT. 2022-06-10 16:50:38 -04:00
Thomas Harte
97715e7ccc Expand test set to include those with timing discrepancies. 2022-06-10 16:34:05 -04:00
Thomas Harte
43c0dea1bd With the difference in RESET times now factored out, test timing too. 2022-06-10 16:12:54 -04:00
Thomas Harte
2e4652209b Remove entire RESET sequence, move to testing PEA. 2022-06-10 15:57:54 -04:00
Thomas Harte
aec4bf9d45 Correct TAS timing. 2022-06-10 15:57:35 -04:00