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Author SHA1 Message Date
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
Thomas Harte
2ca1eb4cf8 Move set_pc into the operation-specific group. 2022-05-09 16:20:15 -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
2f7cff84d9 Enable missing rotates and shifts. 2022-05-09 11:26:01 -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
e35de357fa Route reads and writes through a common path. 2022-05-08 17:17:46 -04:00
Thomas Harte
0818fd7828 Ensure no status updates fall through the cracks. 2022-05-07 21:29:12 -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
ad6cf5e401 Pull out magic constant, simplify sp and TAS. 2022-05-07 20:20:24 -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
190a351a29 Fix address writeback. 2022-05-06 09:56:01 -04:00
Thomas Harte
607ddd2f78 Preserve MOVEM order in Operation. 2022-05-06 09:45:06 -04:00
Thomas Harte
fed79a116f Be overt about the size being described here. 2022-05-06 09:22:38 -04:00
Thomas Harte
5db0ea0236 Add note for my tomorrow self. 2022-05-05 21:11:02 -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
f7991e18de Makes a failed attempt to implement MOVEM to registers. 2022-05-05 20:32:21 -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
9ab70b340c Route MOVEM appropriately. 2022-05-05 12:42:57 -04:00
Thomas Harte
70cdc2ca9f Fix MOVEP to register. 
Advance to lack of MOVEM.
 2022-05-05 12:37:47 -04:00