43 Commits

Author	SHA1	Message	Date
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	27c4d19455	Support STOP.	2022-05-14 11:35:35 -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	7a2fd93d08	Document BusHandler interface.	2022-05-13 10:59:36 -04:00
Thomas Harte	2e796f31d4	Support interrupts; documentation to come.	2022-05-12 20:52:24 -04:00
Thomas Harte	d492156453	Add noreturn attribute as a warning.	2022-05-11 10:51:48 -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	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	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	e35de357fa	Route reads and writes through a common path.	2022-05-08 17:17:46 -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	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	67462c2f92	Rewire MOVEP.	2022-05-05 12:27:36 -04:00
Thomas Harte	4a4e786060	Hit a realisation: write-back isn't going to work with MOVEP as formulated.	2022-05-05 09:26:26 -04:00
Thomas Harte	5d1d94848c	Take a bash at LINK and UNLK.	2022-05-04 08:26:11 -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	b3cf13775b	Consume operand_flags into Instruction.hpp.	2022-05-03 11:09:57 -04:00
Thomas Harte	011506f00d	Add basic exceptions.	2022-05-02 21:27:58 -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	fc8e020436	Improve field name.	2022-05-01 15:12:13 -04:00
Thomas Harte	6b073c6067	Attempt to round out addressing modes, shift to a header, as per templating on BusHandler.	2022-05-01 15:10:54 -04:00
Thomas Harte	0b19bbff8d	Marginally refactor, to avoid repetition of read/write branch.	2022-05-01 13:09:28 -04:00
Thomas Harte	42927c1e32	Establish more of the 680x0 executor loop.	2022-05-01 13:00:20 -04:00
Thomas Harte	f4074e0bba	Add basic status.	2022-04-30 08:38:28 -04:00
Thomas Harte	9359f6477b	Start drafting an Executor.	2022-04-29 17:12:06 -04:00