9 Commits

Author	SHA1	Message	Date
Thomas Harte	b22aa5d699	Starts transcribing the addressing examples I have into tests. ... Correspondingly extends the exposed register set and test-machine addressing range.	2020-10-13 21:38:30 -04:00
Thomas Harte	8eaf1303a3	Attempts proactively to ensure proper RTI behaviour on the 65816.	2020-10-11 15:25:13 -04:00
Thomas Harte	28c8ba70c1	Implements REP and SEP and exposes the MX flags generally.	2020-10-10 21:23:59 -04:00
Thomas Harte	6892ac13e8	Corrects BIT. All 65816-applicable Wolfgang Lorenz tests now pass.	2020-10-10 17:47:33 -04:00
Thomas Harte	7dde7cc743	Implements altered direct indexed addressing in emulation mode.	2020-10-08 22:02:14 -04:00
Thomas Harte	7439a326a6	Implements BIT (in regular and immediate forms).	2020-10-07 18:15:18 -04:00
Thomas Harte	e068cbc103	Implements CMP and fixes a zero-flag error on 16-bit operations.	2020-10-06 21:47:26 -04:00
Thomas Harte	7be983ec00	Slightly improve exposition.	2020-10-05 22:25:20 -04:00
Thomas Harte	18e8d6ce06	Makes an effort to factor out the 6502's [lazy] flags. ... This is preparatory to deciding which instructions, if any, are worth factoring out.	2020-10-05 22:23:33 -04:00