30 Commits

Author	SHA1	Message	Date
Thomas Harte	8b88d1294d	Remove errant spaces.	2024-12-01 09:04:32 -05:00
Thomas Harte	eb2b1cb093	Support FDC overclocking as 'fast loading'.	2024-05-26 22:02:40 -04:00
Thomas Harte	d90eedfc8c	Adjust bit polarity, meaning.	2024-04-30 22:49:26 -04:00
Thomas Harte	a997b6c677	Wire drives for IBM-style RDY.	2024-04-30 22:18:17 -04:00
Thomas Harte	c134c7bdc2	Fix: signal is 'flyback', not sync.	2024-04-10 21:53:38 -04:00
Thomas Harte	6c6cda3db5	Use clocking hints.	2024-04-09 22:22:03 -04:00
Thomas Harte	a5a653d684	Factor vsync state into IO reads.	2024-04-09 21:49:00 -04:00
Thomas Harte	ec73c00c3b	Silence the routine stuff of interrupt masks.	2024-04-09 20:57:57 -04:00
Thomas Harte	169298af42	Plumb through disk insertion. ... Surprisingly: some things now load.	2024-04-08 21:15:40 -04:00
Thomas Harte	ffd298218c	Tie off initial values; fix FIQ usage.	2024-04-07 21:58:16 -04:00
Thomas Harte	d2b077c573	Start wiring in a floppy controller.	2024-04-07 21:22:35 -04:00
Thomas Harte	335d13d06d	Mildly improve logging, define a few more ROMs.	2024-03-30 21:49:21 -04:00
Thomas Harte	8a6bf84cff	Keyboard: log more, ignore unrecognised commands.	2024-03-29 20:54:07 -04:00
Thomas Harte	a0fdd8f4eb	Resolve magic constant.	2024-03-28 22:15:27 -04:00
Thomas Harte	bda1783624	Make new guess at non-byte IOC reads.	2024-03-28 22:10:49 -04:00
Thomas Harte	a2d95cb982	Shuffle notes.	2024-03-25 21:31:59 -04:00
Thomas Harte	1154ffd072	Add a 'drive in use' indicator LED.	2024-03-25 15:03:54 -04:00
Thomas Harte	8ba9708942	Hopefully resolve the mystery of the latch writes.	2024-03-25 14:54:30 -04:00
Thomas Harte	521fca6089	Expose full bus to IOC dependents; add notes.	2024-03-25 11:07:44 -04:00
Thomas Harte	ae684edbe1	Formally decode bank/offset/type.	2024-03-25 10:16:36 -04:00
Thomas Harte	c1602cc8fe	The keyboard and interrupts are currently trusted.	2024-03-23 21:49:52 -04:00
Thomas Harte	ccfc389274	Quieten where now confident.	2024-03-23 21:03:06 -04:00
Thomas Harte	4215edd11b	Reduce noise.	2024-03-23 20:12:56 -04:00
Thomas Harte	5ccb18225a	Provide key states to the keyboard.	2024-03-23 15:43:04 -04:00
Thomas Harte	ae6cf69449	Move responsibility for clock division; reinstate vsync interrupt.	2024-03-22 10:01:34 -04:00
Thomas Harte	2de1a2dd0d	Install and properly clock a CRT.	2024-03-21 20:41:24 -04:00
Thomas Harte	1f49c3b113	Give sound and video somewhere to read from.	2024-03-21 20:22:20 -04:00
Thomas Harte	417c6c4629	Announce changes.	2024-03-21 10:51:52 -04:00
Thomas Harte	2d6a4d490e	Add dummy retrace interrupt.	2024-03-21 10:02:56 -04:00
Thomas Harte	1341816791	Break apart, switching to delegates for interrupts.	2024-03-20 14:26:56 -04:00