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11,138 Commits 10 Branches 121 Tags 500 MiB
108c584ddb
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102 Commits

Author SHA1 Message Date
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
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
a9902fc817 Fix ABCD when the result has an invalid lower digit. 2022-05-11 16:31:27 -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
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
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
2f7cff84d9 Enable missing rotates and shifts. 2022-05-09 11:26:01 -04:00
Thomas Harte
0818fd7828 Ensure no status updates fall through the cracks. 2022-05-07 21:29:12 -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
607ddd2f78 Preserve MOVEM order in Operation. 2022-05-06 09:45:06 -04:00
Thomas Harte
9ab70b340c Route MOVEM appropriately. 2022-05-05 12:42:57 -04:00
Thomas Harte
67462c2f92 Rewire MOVEP. 2022-05-05 12:27:36 -04:00
Thomas Harte
665f2d4c00 Attempts MOVEP. 2022-05-05 09:00:33 -04:00
Thomas Harte
64586ca7ba Implement BTST/etc. 2022-05-04 20:57:22 -04:00
Thomas Harte
15c90e546f Fix rotates and shifts to memory. 2022-05-04 19:44:59 -04:00
Thomas Harte
5d1d94848c Take a bash at LINK and UNLK. 2022-05-04 08:26:11 -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
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
1b224c961e Fix Scc, add operand flags for DBcc. 2022-05-03 14:23:57 -04:00
Thomas Harte
c61809f0c4 Add CMPAl. 2022-05-03 09:20:02 -04:00
Thomas Harte
2f2d6bc08b Correct CMPw. 2022-05-03 09:05:34 -04:00
Thomas Harte
3827ecd6d3 Proceed to complete test running. 2022-05-02 12:57:45 -04:00
Thomas Harte
73f340586d Proceed to building, but failing tests. 2022-05-02 07:45:07 -04:00
Thomas Harte
3c26177239 Provide both compile- and run-time operation selection options. 2022-05-01 17:39:56 -04:00
Thomas Harte
52f355db24 Decision: operation is not a template parameter. Hence can use condition as fully typed. 2022-04-30 14:08:51 -04:00
Thomas Harte
e4426dc952 Introduce calculate EA steps. 2022-04-29 20:30:48 -04:00
Thomas Harte
9359f6477b Start drafting an Executor. 2022-04-29 17:12:06 -04:00
Thomas Harte
78b60dbd1a Evict MOVEM and MOVEP, enable TRAP and TRAPV, complete CHK. 2022-04-29 14:43:30 -04:00
Thomas Harte
8066b19f93 Correct typos. 2022-04-29 07:57:02 -04:00
Thomas Harte
abd2a831a3 Added a further ambiguity. 2022-04-29 05:08:44 -04:00
Thomas Harte
824d3ae3f7 Conclusion: a union does produce better code. 
(But needn't be so verbose)
 2022-04-29 04:51:02 -04:00
Thomas Harte
727a14c6f9 Add notes for myself on decisions yet to make. 2022-04-29 03:53:17 -04:00
Thomas Harte
13d20137d3 Tackle two lingering references to exception_handler. 2022-04-29 03:38:23 -04:00
Thomas Harte
33c9ea2cf7 A flow controller feels more natural than an exception handler. 2022-04-28 20:42:04 -04:00
Thomas Harte
1d8d2b373b Port all simple instruction bodies. 2022-04-28 16:55:47 -04:00