18 Commits

Author	SHA1	Message	Date
Thomas Harte	4ddbf095f3	Fully banish flush from the processors.	2022-07-12 10:49:53 -04:00
Thomas Harte	a0bc332fe6	Taking a second parse, prefer non-lookup-table solutions.	2022-06-17 11:55:38 -04:00
Thomas Harte	b0ab5b7b62	Simplify Microcycle helpers.	2022-06-16 21:34:24 -04:00
Thomas Harte	7d00b50e13	Fix upper/lower_data_select; simplify value8_low.	2022-06-15 21:11:31 -04:00
Thomas Harte	8ff09a1923	Fix value8_high.	2022-06-15 19:34:49 -04:00
Thomas Harte	62fa0991ed	Disallow copying, add some basic asserts.	2022-06-15 19:34:43 -04:00
Thomas Harte	9009645cea	Add 'reset' functions.	2022-06-07 16:55:39 -04:00
Thomas Harte	367ad8079a	Add a call to set register state with population of the prefetch.	2022-05-25 20:22:05 -04:00
Thomas Harte	523cdd859b	Add bus and address error, and VPA checks.	2022-05-24 09:08:31 -04:00
Thomas Harte	e0a279344c	Codify the existence of special cases, implement NOP and RESET.	2022-05-23 15:09:46 -04:00
Thomas Harte	c1837af84a	Add notes to self on work remaining.	2022-05-23 11:02:31 -04:00
Thomas Harte	da9fb216b1	Remove setup_operation in favour of doing the equivalent inline. ... ... as it'll probably allow me a route to `goto` straight out of there, too. At least, if I can find a sufficiently neat macro formulation.	2022-05-18 16:45:40 -04:00
Thomas Harte	4a40581deb	Completes performance of NBCD D0.	2022-05-17 16:10:20 -04:00
Thomas Harte	eed2672db5	Add documentation, honour signal_will_perform.	2022-05-17 15:05:11 -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	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	b0518040b5	Plants the seek of a 68000 mark 2.	2022-05-16 11:44:16 -04:00