17 Commits

Author	SHA1	Message	Date
Thomas Harte	57ce10418f	Switches prescale logic, the better to deal with changes in prescaler. ... According to my assumptions about the behaviour, anyway.	2019-12-20 23:33:14 -05:00
Thomas Harte	7ff57f8cdf	Starts to flesh out documentation.	2019-11-19 22:32:07 -05:00
Thomas Harte	5fc4e57db7	Eliminates non-portable use of fls.	2019-11-09 16:03:00 -05:00
Thomas Harte	75e34b4215	Reacts to no acknowledgement.	2019-10-31 21:00:05 -04:00
Thomas Harte	a5bbf54a27	Adds the ability for the 68901 to decline an interrupt acknowledgement.	2019-10-31 19:57:36 -04:00
Thomas Harte	635e18a50d	Ensures the MFP requests and receives real-time clocking when needed.	2019-10-30 22:42:06 -04:00
Thomas Harte	de1bfb4e24	Stores and returns timer configuration.	2019-10-27 22:38:49 -04:00
Thomas Harte	22754683f8	Ensures timer divisor values don't go out of range, adds timer interrupts. ... I suspect further timer issues remain.	2019-10-26 23:20:13 -04:00
Thomas Harte	e96386f572	Takes another stab at MFP interrupt management.	2019-10-26 15:55:19 -04:00
Thomas Harte	872897029e	Attempts a complete wiring of 68901 interrupts.	2019-10-25 22:36:01 -04:00
Thomas Harte	f2f98ed60c	Attempts some part of interrupt decision making.	2019-10-24 22:33:42 -04:00
Thomas Harte	77f14fa638	Starts trying to make sense of interrupts.	2019-10-23 23:09:49 -04:00
Thomas Harte	e30ba58e0d	Attempts to wire ACIA interrupt signals into the MFP.	2019-10-21 23:02:30 -04:00
Thomas Harte	3d03cce6b1	Starts working on the GPIP functionality block.	2019-10-20 20:38:55 -04:00
Thomas Harte	127bb043e7	Adds enough logic to advance to an ACIA access error.	2019-10-20 20:38:55 -04:00
Thomas Harte	2cf52fb89c	Makes an unsuccessful first attempt at some timer functionality.	2019-10-20 20:38:54 -04:00
Thomas Harte	6e1b606adf	Adds a target for MFP read/write operations. ... Completely without any implementation, so far.	2019-10-20 20:38:54 -04:00