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9,300 Commits 8 Branches 121 Tags 496 MiB
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2600 Commits

Author SHA1 Message Date
Thomas Harte
1e8adc2bd9 Fix MOVEP to R. 2022-05-23 09:00:37 -04:00
Thomas Harte
c73021cf3c Implement MOVE. 2022-05-23 08:46:06 -04:00
Federico Berti
1a26d4e409
Update nbcd_pea.json 
Add missing bracket
 2022-05-23 12:14:00 +01:00
Thomas Harte
269263eecf Implement RTE, RTS, RTR. 2022-05-22 21:16:38 -04:00
Thomas Harte
4e21cdfc63 Enable NEGX/CLR tests. 2022-05-22 20:55:21 -04:00
Thomas Harte
faef5633f8 Ensure MOVE from SR has an effective address to write to. 2022-05-22 20:52:00 -04:00
Thomas Harte
7d1f1a3175 Implement MOVE [to/from] [CCR/SR]. 2022-05-22 19:45:22 -04:00
Thomas Harte
4e34727195 Fully implement TAS. 2022-05-22 16:14:03 -04:00
Thomas Harte
1dd6ed6ae3 Implement TAS Dn, with detour for other TASes. 2022-05-22 16:08:30 -04:00
Thomas Harte
cb4d6710df Switch to a more direct indication of progress. 2022-05-22 11:27:58 -04:00
Thomas Harte
284f23c6ea Implement JMP. 2022-05-22 07:16:38 -04:00
Thomas Harte
4b35899a12 Bcc: properly establish offset. 2022-05-21 20:59:34 -04:00
Thomas Harte
94288d5a94 Excludes DBcc from standard operand fetch. 2022-05-21 19:53:28 -04:00
Thomas Harte
c869eb1eec Correct omission: wasn't testing the final PC. 
Plenty of new errors incoming.
 2022-05-21 15:56:27 -04:00
Thomas Harte
176c8355cb The tests in chk.json now pass. 2022-05-21 14:32:58 -04:00
Thomas Harte
e46a3c4046 Implement JSR. 2022-05-21 10:29:36 -04:00
Thomas Harte
256da43fe5 Fix MOVEM other than postinc and predec. 2022-05-20 20:47:54 -04:00
Thomas Harte
a818650027 Add a faulty attempt at MOVEM. 2022-05-20 18:48:19 -04:00
Thomas Harte
c7c12f9638 After a quick check, eori_andi_ori also now passes. 2022-05-20 14:47:11 -04:00
Thomas Harte
ee942c5c17 Fix PC-relative fetches. 2022-05-20 14:42:51 -04:00
Thomas Harte
d157819c49 Implement the various to-[SR/CCR] actions, which do a 'repeat' prefetch. 
(which isn't exactly a repeat, at least in the SR cases, because the function code might have changed)
 2022-05-20 14:29:14 -04:00
Thomas Harte
2d91fb5441 Implement MOVEP. 2022-05-20 14:22:32 -04:00
Thomas Harte
81431a5453 Attempt BTST, BCHG, BCLR and BSET. 2022-05-20 12:58:45 -04:00
Thomas Harte
6d7ec07216 Uncover another three already-working test files. 2022-05-20 12:44:57 -04:00
Thomas Harte
b4978d1452 Implement BSR, adding one more test file to the working set. 2022-05-20 12:40:35 -04:00
Thomas Harte
45e9648b8c Implement Bcc. 2022-05-20 12:04:43 -04:00
Thomas Harte
ce32957d9d Shuffle two more into the working column. 2022-05-20 11:53:12 -04:00
Thomas Harte
452dd3ccfd Add a performer call-out for Scc; use it to implement proper timing in the mk2 68000. 2022-05-20 11:20:23 -04:00
Thomas Harte
e5c1621382 Add missing fallthrough, patterns for all ADDs and SUBs. 2022-05-20 07:02:02 -04:00
Thomas Harte
af3518dc1f Implement various ADD, SUB patterns. 2022-05-19 20:50:37 -04:00
Thomas Harte
6cfc0e80d9 Don't test the unrecognised instruction exception. 2022-05-19 19:45:38 -04:00
Thomas Harte
334e3ec529 Add privilege and instruction error exceptions; permit two operands to be stored. 2022-05-19 16:55:16 -04:00
Thomas Harte
84c165459f ext.json now passes. 2022-05-19 16:32:40 -04:00
Thomas Harte
22b63fe1f8 Add EXT, and notes to self. 2022-05-19 15:41:02 -04:00
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
29f6b02c04 Factor out register setup/testing, generalising the DIVU/DIVS flag check. 2022-05-18 21:13:34 -04:00
Thomas Harte
1bf7c0ae5f Attempt better to avoid entering a second instruction. 2022-05-18 21:00:34 -04:00
Thomas Harte
44ae084794 Avoid the repeated .fill; reduces debug-build executor test time to 1.5s. 
i.e. eliminates about 95% of costs.
 2022-05-18 17:10:23 -04:00
Thomas Harte
13a1809101 Avoid memset. 2022-05-18 17:00:35 -04:00
Thomas Harte
c35200fbd0 Shuffle mildly, primarily to avoid repeated 16mb allocations. 2022-05-18 16:59:37 -04:00
Thomas Harte
4a40581deb Completes performance of NBCD D0. 2022-05-17 16:10:20 -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
b0518040b5 Plants the seek of a 68000 mark 2. 2022-05-16 11:44:16 -04:00
Thomas Harte
20a191f144 Switch to same tests, run through a more modern emulator. 2022-05-15 16:33:08 -04:00
Thomas Harte
f60f1932f2 Restrict DIVU and DIVS tests to those which are well-defined. 2022-05-14 20:28:54 -04:00
Thomas Harte
7f704fdae1 Improve README. 2022-05-13 16:28:56 -04:00
Thomas Harte
dd63a6b61e Correct all [A/S/N]BCD tests. 2022-05-13 16:18:58 -04:00
Thomas Harte
1935d968c5 Add ability to suggest solutions. 2022-05-13 15:27:11 -04:00
Thomas Harte
84cfbaa0a4 Remove manual test count, now that all are being performed. 2022-05-13 11:00:26 -04:00
Thomas Harte
0d81992f6a Move object creation. 2022-05-13 10:50:16 -04:00
Thomas Harte
6594b38567 Tidy up, and reduce for now to a summary report. 2022-05-13 08:02:20 -04:00
Thomas Harte
2e796f31d4 Support interrupts; documentation to come. 2022-05-12 20:52:24 -04:00
Thomas Harte
3d8f5d4302 Improve failure logging. 
This confirms that it's only the *BCDs and DIVU/DIVS in which I do not match the tests.
 2022-05-12 20:23:32 -04:00
Thomas Harte
2fa6b2301b Move string logic into Preinstruction. 2022-05-12 19:46:08 -04:00
Thomas Harte
4ba20132b9 Avoid repeated allocations on the new path, reducing total runtime by almost two thirds. 2022-05-12 16:35:41 -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
56ce1ec6e8 No need to subclass. 2022-05-11 21:25:38 -04:00
Thomas Harte
de168956e4 Fix tested operand order. 2022-05-11 16:44:39 -04:00
Thomas Harte
5b80844d81 Add a sanity test count, temporarily. 2022-05-11 16:34:28 -04:00
Thomas Harte
17add4b585 Introduce and overwhelmingly fail the flamewing BCD tests. 2022-05-11 15:19:39 -04:00
Thomas Harte
943c924382 Add missing: MOVE to/from USP, RESET. 2022-05-11 07:52:23 -04:00
Thomas Harte
ab8e1fdcbf Take a swing at access faults and address errors. 2022-05-10 16:20:30 -04:00
Thomas Harte
f2a6a12f79 Remove further vestiges of timing. 2022-05-09 20:58:51 -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
330ec1b848 TODO is done. 2022-05-09 11:52:33 -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
5ab5e1270e Fix test for new MOVEM semantics. 2022-05-09 09:17:48 -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
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
d478a1b448 Proceed to next failure: PEA. 2022-05-06 10:04:20 -04:00
Thomas Harte
607ddd2f78 Preserve MOVEM order in Operation. 2022-05-06 09:45:06 -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
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
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
46686b4b9c Start testing move. 2022-05-04 20:38:56 -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
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
b6ffff5bbd Distinguish [ADD/SUB]QA from [ADD/SUB]Q. 2022-05-03 14:17:26 -04:00
Thomas Harte
5ebae85a16 Start recording successes. 2022-05-03 11:28:50 -04:00
Thomas Harte
b3cf13775b Consume operand_flags into Instruction.hpp. 2022-05-03 11:09:57 -04:00
Thomas Harte
2f2d6bc08b Correct CMPw. 2022-05-03 09:05:34 -04:00
Thomas Harte
fc9a35dd04 Test add/sub, add an exception for invalid Sequences. 2022-05-02 20:09:38 -04:00
Thomas Harte
3827ecd6d3 Proceed to complete test running. 2022-05-02 12:57:45 -04:00