994 Commits

Author	SHA1	Message	Date
Thomas Harte	eed2672db5	Add documentation, honour signal_will_perform.	2022-05-17 15:05:11 -04:00
Thomas Harte	84071ac6d0	Implement reset logic, advance as far as actually performing an NBCD on D0 (but not writing it back).	2022-05-17 14:51:49 -04:00
Thomas Harte	1a27eea46c	Establish general pattern for selecting a performance phase and obtaining operands.	2022-05-17 14:08:50 -04:00
Thomas Harte	d0b6451f02	Step gingerly on to fetching operands.	2022-05-17 08:26:35 -04:00
Thomas Harte	2147c5a5f2	Fill in missing #undefs.	2022-05-16 21:02:25 -04:00
Thomas Harte	c7aa4d8b6d	Fix state transitions. ... Confirmed that the 68000 mk 2 now appears correctly to perform a reset.	2022-05-16 21:00:25 -04:00
Thomas Harte	e94efe887c	Switch to use of __COUNTER__.	2022-05-16 20:38:17 -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	345f7c3c62	Fill in just enough to attempt the reset exception, assuming DTACK rather than VPA or BERR.	2022-05-16 16:57:40 -04:00
Thomas Harte	6f6e466c08	Make a first sketch of the coroutine-esque structure I'm going to experiment with here.	2022-05-16 11:59:03 -04:00
Thomas Harte	b0518040b5	Plants the seek of a 68000 mark 2.	2022-05-16 11:44:16 -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	c61809f0c4	Add CMPAl.	2022-05-03 09:20:02 -04:00
Thomas Harte	17a2ce0464	Fix missung #undefs.	2022-05-02 21:29:46 -04:00
Thomas Harte	ef28d5512b	Annotate further.	2022-05-02 12:58:04 -04:00
Thomas Harte	fa49737538	Correct processor name.	2022-05-02 08:40:47 -04:00
Thomas Harte	8a18685902	Relocated RegisterSizes to Numeric.	2022-04-28 15:10:08 -04:00
Thomas Harte	ee625cb8a8	Minor style improvements; especially: don't assume value of NoBusProgram.	2021-12-25 14:05:38 -05:00
Thomas Harte	f20940a37b	Give Program full ownership of the sentinel value. ... In case I want to reduce the size of this field later.	2021-12-23 16:32:21 -05:00
Thomas Harte	32e0a66610	Trust the compiler with this bit field.	2021-12-23 16:28:55 -05:00
Thomas Harte	d9598b35c2	Add some additional metrics.	2021-12-23 16:27:54 -05:00
Thomas Harte	0df8173536	Merge branch 'master' into Amiga	2021-11-24 08:58:03 -05:00
Thomas Harte	7e31658932	Remove accidental commit.	2021-10-26 21:49:32 -07:00
Thomas Harte	76767da300	Undo accidental change.	2021-10-25 21:48:19 -07:00
Thomas Harte	dc8701a929	Introduce some additional Blitter test cases.	2021-10-25 21:40:20 -07:00
Thomas Harte	313dbe05e0	Switch to more consistent inlining.	2021-09-23 22:36:15 -04:00
Thomas Harte	adf7124e2c	Eliminate 6502Base.cpp.	2021-09-23 22:33:33 -04:00
Thomas Harte	863971f944	68000: fix E alignment, expand Microcycle::apply.	2021-09-08 21:03:37 -04:00
Thomas Harte	fd70f7ad43	Attempts to make pixel content observeable.	2021-09-08 20:57:26 -04:00
Thomas Harte	5cc25d0846	Adds a further sanity assert.	2021-08-08 21:52:52 -04:00
Thomas Harte	e402e690b0	Assume and test that divide-by-zero posts the PC of the offending instruction.	2021-08-07 17:51:00 -04:00
Thomas Harte	dcbc9847a3	Attempts to get E synchronisation correct.	2021-08-05 20:08:34 -04:00
Thomas Harte	60b09d9bb0	Increases compile-time logging options.	2021-08-01 21:22:33 -04:00
Thomas Harte	f576baf214	I'm not yet sure this is the best approach, but starts trying to make use of Lorenz's 6526 tests.	2021-07-30 21:21:16 -04:00
Thomas Harte	8d2d4c850f	Revoke temporary debugging.	2021-07-25 19:59:10 -04:00
Thomas Harte	b7bed027d7	Ensures the value initially loaded to A7 is aligned. ... This is a bit of a guess; it's likely to be true though per the rule that A7 is always kept aligned.	2021-07-25 19:55:23 -04:00
Thomas Harte	956a6dbd64	Improve commentary.	2021-07-23 19:23:54 -04:00
Thomas Harte	68fe19818e	Expose more information about the E clock state.	2021-07-23 19:22:00 -04:00
Thomas Harte	69d62560b4	Adds comment to avoid potential future error.	2021-07-22 22:00:33 -04:00
Thomas Harte	26f4758523	Makes a further accommodation for PermitRead/Write.	2021-07-22 21:11:25 -04:00
Thomas Harte	5401744dc0	Add additional asserts.	2021-07-21 21:47:44 -04:00
Thomas Harte	fe10a10ac2	Correct address on stack upon priviliege exception.	2021-07-21 21:46:55 -04:00
Thomas Harte	b2ae8e7a4a	Adds a type for the operation bitfield.	2021-07-18 20:54:54 -04:00
Thomas Harte	50b9d0e86d	Logically, I think this should be unsigned.	2021-07-18 20:25:22 -04:00
Thomas Harte	0cfc7f732c	Extends to support read/write permissions in apply.	2021-07-17 21:09:52 -04:00
Thomas Harte	51d98ef9ab	Add missing stddef header where size_t is used.	2021-07-01 23:15:32 -04:00
Thomas Harte	bdcab447f9	Add a further accessor.	2021-06-27 16:27:26 -04:00
Thomas Harte	d80f03e369	Corrects longstanding deviation from naming convention.	2021-04-25 14:11:36 -04:00
Thomas Harte	e7a9ae18a1	Introduce further default state.	2021-04-24 23:18:00 -04:00
Thomas Harte	77fcf52d27	Purely style: remove some redundant nullptrs.	2021-04-19 18:53:00 -04:00