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Author SHA1 Message Date
Thomas Harte
81f4581f41
Merge pull request #1031 from TomHarte/BCDTests 
Correct 68000 BCD test results.
 2022-05-15 07:24:30 -04:00
Thomas Harte
dfaf8ce64e
Merge pull request #1028 from TomHarte/68000Perform 
Add free function implementation of 68000 operations, and an instruction-set interpreter.
 2022-05-15 07:21:03 -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
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
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
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
84cfbaa0a4 Remove manual test count, now that all are being performed. 2022-05-13 11:00:26 -04:00
Thomas Harte
7a2fd93d08 Document BusHandler interface. 2022-05-13 10:59:36 -04:00
Thomas Harte
0d81992f6a Move object creation. 2022-05-13 10:50:16 -04:00
Thomas Harte
5b67c9bf4a MOVE to SR requires supervisor privileges. 2022-05-13 09:01:03 -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
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
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
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
41dc728c9b Merge branch '68000Perform' of github.com:TomHarte/CLK into 68000Perform 2022-05-12 11:27:59 -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
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
a9902fc817 Fix ABCD when the result has an invalid lower digit. 2022-05-11 16:31:27 -04:00
Thomas Harte
ed75688251 Fix capture of the initial zero flag. 2022-05-11 15:40:17 -04:00
Thomas Harte
17add4b585 Introduce and overwhelmingly fail the flamewing BCD tests. 2022-05-11 15:19:39 -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