1446 Commits

Author	SHA1	Message	Date
Thomas Harte	3793fbd978	Remove much unused storage; add virtual destructor.	2023-12-27 11:14:08 -05:00
Thomas Harte	ad6fe75296	Add yucky disk speed coupling.	2023-12-10 23:07:02 -05:00
Thomas Harte	1985d7da6a	Do something on a write rather than nothing.	2023-12-07 16:45:21 -05:00
Thomas Harte	017fd84f36	Also use output level for CRAM dots.	2023-12-07 11:05:10 -05:00
Thomas Harte	fc63fcb751	Unify usages of output_level for border.	2023-12-07 11:04:18 -05:00
Ryan Carsten Schmidt	01cf7462d5	Disk II: Don't overwrite data bus when not asked to ... Return DidNotLoad rather than 0xff from read_address on odd-numbered addresses so that the data bus is not overwritten with 0xff on those accesses.	2023-12-05 10:03:52 -06:00
Thomas Harte	e9420fc48d	Merge pull request #1245 from TomHarte/MDANoCursor ... MDA: implement no cursor, blink attribute.	2023-12-04 22:10:12 -05:00
Thomas Harte	9601c69e12	Implement blinking text.	2023-12-04 22:02:38 -05:00
Thomas Harte	790e744bde	Merge pull request #1239 from ryandesign/sense-write-protect ... Fix Disk II sense-write-protect clocking preference	2023-12-04 21:47:26 -05:00
Thomas Harte	8103f8e682	Switch interpretation to support cursor on/off.	2023-12-04 15:54:56 -05:00
Ryan Carsten Schmidt	b91a791e01	Fix Disk II sense-write-protect clocking preference ... Ensure we're actually in the sense-write-protect loop before deciding that we don't need to process anymore. Closes #1218	2023-12-04 09:19:52 -06:00
Thomas Harte	646c6b08f7	Make cursor blink.	2023-12-04 09:52:46 -05:00
Thomas Harte	0d7646d42a	Add a cursor-type template parameter.	2023-12-04 09:45:32 -05:00
Ryan Carsten Schmidt	ab608178f3	Consider Disk II state machine state C to be a NOP ... Continuation of #1224	2023-12-04 08:13:32 -06:00
Thomas Harte	5d8666b837	Enable the cursor signal; no blink action yet.	2023-12-03 17:57:19 -05:00
Thomas Harte	66b95a8b54	Merge pull request #1217 from TomHarte/PCFDC ... Sketch the outline of a high-level emulation of the PC FDC	2023-11-29 12:48:55 -05:00
Thomas Harte	439104c73a	Add missing space.	2023-11-29 09:49:05 -05:00
Thomas Harte	fbbe3ab7f1	Include seek ended flag.	2023-11-29 09:45:45 -05:00
Thomas Harte	6e2e67fd46	Sculpt out enough to get to a read data command.	2023-11-29 09:42:43 -05:00
Ryan Carsten Schmidt	3293ab48ce	Handle C, E, F operations in Disk II state machine ... This shouldn't matter since these operations are not requested by the state machine but this is what those operations should do according to Understanding the Apple II, Table 9.3, page 9-15.	2023-11-29 05:50:20 -06:00
Thomas Harte	3827a084ad	Code to GlaBIOS expectations.	2023-11-28 23:18:22 -05:00
Thomas Harte	301442a0b1	Fix meaning of flag, use correctly.	2023-11-28 22:34:34 -05:00
Thomas Harte	b860fba0a3	Make an attempt at providing varied sense interrupt statuses.	2023-11-28 14:12:39 -05:00
Thomas Harte	bffe3ffa25	Add an 8272 results phase.	2023-11-27 23:05:37 -05:00
Thomas Harte	993366ac5a	Merge branch 'master' into PCFDC	2023-11-27 22:16:30 -05:00
Thomas Harte	2a0375e9c2	Mildly adjust layout of inner loop.	2023-11-27 15:16:22 -05:00
Thomas Harte	032eeb4757	Eliminate runtime switch.	2023-11-27 14:57:41 -05:00
Thomas Harte	d2203484cc	Avoid name duplication.	2023-11-26 15:29:08 -05:00
Thomas Harte	003c494aac	Factor out a large number of status-related facts.	2023-11-26 15:04:10 -05:00
Thomas Harte	9bd75464b5	Proceed to receiving a sense interrupt status.	2023-11-25 18:15:37 -05:00
Thomas Harte	0bb048e24b	Start formalising/extracting 8272 status.	2023-11-25 18:10:49 -05:00
Thomas Harte	af70c8847d	Factor out the stuff of accumulating and dissecting commands.	2023-11-24 18:24:58 -05:00
Thomas Harte	8efb6a9226	Simplify 'get_next_sequence_point' -> 'next_sequence_point'.	2023-09-10 18:00:49 -04:00
Thomas Harte	40d5bd4e58	Switch to purposive name.	2023-05-19 14:22:22 -04:00
Thomas Harte	c75efb7dac	Also allow for a potential Grauw conversion in Yamaha land.	2023-05-19 13:43:28 -04:00
Thomas Harte	d117a44069	Allow for potential Grauw offset in TMS and SMS.	2023-05-19 11:46:49 -04:00
Thomas Harte	dc425a03d3	Partially resolve.	2023-05-18 16:55:17 -04:00
Thomas Harte	ce8bd011d7	Add commentary, and TODOs.	2023-05-18 16:50:46 -04:00
Thomas Harte	c76048bff9	Formalise the idea of Grauw as a separate clock.	2023-05-18 16:37:48 -04:00
Thomas Harte	4cb7abe13d	Update old comment.	2023-05-18 16:28:05 -04:00
Thomas Harte	5c51bae605	Remove unused variable.	2023-05-16 16:46:36 -04:00
Thomas Harte	8578dfbf22	Eliminate various other errant spaces.	2023-05-16 16:40:09 -04:00
Thomas Harte	f821b60430	Remove stray space.	2023-05-16 16:16:10 -04:00
Thomas Harte	8ca0d9e13a	Add a hook for when I think mode latching should occur.	2023-05-16 16:14:37 -04:00
Thomas Harte	3014c957e7	Relocate Yamaha line interrupt.	2023-05-16 13:01:23 -04:00
Thomas Harte	a1a7c0e253	Apply maybe_unused judiciously.	2023-05-15 10:17:04 -04:00
Thomas Harte	50343dec43	Eliminate all whitespace-only lines.	2023-05-12 14:16:39 -04:00
Thomas Harte	28c79b2885	Eliminate redundant [space][tab] pairs.	2023-05-12 14:14:45 -04:00
Thomas Harte	56de9c418f	Improve comments.	2023-05-12 13:59:52 -04:00
Thomas Harte	5bcb5fb832	Also sever command-engine state.	2023-05-12 13:57:50 -04:00