2960 Commits

Author	SHA1	Message	Date
Thomas Harte	ee6012f6e9	Evict the PIT.	2023-11-20 19:00:16 -05:00
Thomas Harte	d3e90ce006	Capture some basics. ... BIOS now seems to get as far as expecting channel 0 to trigger an interrupt, which never comes.	2023-11-20 15:36:52 -05:00
Thomas Harte	18ddc2c83a	Route traffic.	2023-11-20 15:11:22 -05:00
Thomas Harte	abf0eead7a	Add a functionless PIC.	2023-11-20 13:53:44 -05:00
Thomas Harte	a689f2b63e	Relocate comment.	2023-11-20 12:22:30 -05:00
Thomas Harte	a3066fc040	Advance to the missing PIC.	2023-11-20 12:21:37 -05:00
Thomas Harte	7eed254de9	Bring an 8255 into the mix.	2023-11-20 12:13:42 -05:00
Thomas Harte	55f466f2fa	Add enough of the DMA subsystem to trip over in PPI world.	2023-11-19 22:55:29 -05:00
Thomas Harte	119c83eb18	Fix field decoding.	2023-11-19 21:51:27 -05:00
Thomas Harte	4e077701c9	Exit without further modification upon latch.	2023-11-19 16:37:47 -05:00
Thomas Harte	a8f1c72f5c	Take a caveman run at debugging.	2023-11-19 16:05:44 -05:00
Thomas Harte	05e93f0eb3	Implementing counting for a couple of PIT modes.	2023-11-19 15:52:32 -05:00
Thomas Harte	af885ccf08	Decode PIT mode writes.	2023-11-19 15:01:21 -05:00
Thomas Harte	2b69081fff	Start sketching the PIT.	2023-11-19 07:15:30 -05:00
Thomas Harte	a91449555f	Add link for future self.	2023-11-17 17:38:17 -05:00
Thomas Harte	afc0ca3f1b	Add XT roadmap.	2023-11-17 17:35:11 -05:00
Thomas Harte	f0ac62566c	Add an 80286 BIOS, for later.	2023-11-17 17:15:57 -05:00
Thomas Harte	d202cfc2ca	Add TODO.	2023-11-17 17:09:20 -05:00
Thomas Harte	ec2d878e3f	End run around the template. ... I have yet to get any insight whatsoever on the reason for GCC's failure here and won't have access to a suitable test machine for a while so all I have for testing is the arduous CI cycle.	2023-11-17 17:02:46 -05:00
Thomas Harte	8af173c4bc	Remove hopeful hit.	2023-11-16 15:48:27 -05:00
Thomas Harte	e1541543c3	Play hit and hope.	2023-11-16 15:40:47 -05:00
Thomas Harte	99e7de5a8b	Colocate memory.	2023-11-16 15:24:35 -05:00
Thomas Harte	095359017f	Log first unhandled port.	2023-11-16 13:02:35 -05:00
Thomas Harte	25f0a373f3	Don't sign-extend ports (!).	2023-11-16 11:17:12 -05:00
Thomas Harte	832e31f7e5	Add note to self.	2023-11-16 10:34:24 -05:00
Thomas Harte	164a7fe848	Log port IO.	2023-11-16 06:48:24 -05:00
Thomas Harte	62b6219763	Install BIOS, albeit in writeable storage.	2023-11-15 22:02:53 -05:00
Thomas Harte	2bc9dfbef9	Albeit with no BIOS present, execute.	2023-11-15 16:10:37 -05:00
Thomas Harte	3b84299a05	Edge closer to PCCompatible doing _something_.	2023-11-15 15:58:49 -05:00
Thomas Harte	6f48ffba16	Add enough of a ScanProducer to run.	2023-11-15 14:30:30 -05:00
Thomas Harte	1a3b2b0620	Add necessary wiring for File -> New...	2023-11-15 14:27:04 -05:00
Thomas Harte	af7069ac21	Include and fetch a BIOS.	2023-11-15 11:32:23 -05:00
Thomas Harte	e927fd00d8	Do just enough to include x86 code in the main build.	2023-11-15 11:01:28 -05:00
Ryan Carsten Schmidt	234292f163	Fix Apple II/II+/IIe first eight non-hbl vbl bytes ... Closes #1196	2023-11-13 00:51:34 -06:00
Ryan Schmidt	18ed36d090	Update get_last_read_value source documentation	2023-10-25 03:25:52 -05:00
Ryan Schmidt	c206c7e2cb	Fix Apple II/II+ text/lores hbl read addresses ... Closes #1181	2023-10-25 03:25:48 -05:00
Ryan Schmidt	98730f1f90	Fix Apple II/II+/IIe first hbl byte read addresses ... Closes #1180	2023-10-25 03:21:22 -05:00
Ryan Schmidt	c272632b5a	Fix Apple II/II+/IIe hbl row < 64 read addresses ... See #1180	2023-10-25 03:21:17 -05:00
Ryan Schmidt	577b01e80b	Fix Apple II/II+/IIe vbl rows read addresses ... See #1180	2023-10-25 03:21:06 -05:00
Thomas Harte	8efb6a9226	Simplify 'get_next_sequence_point' -> 'next_sequence_point'.	2023-09-10 18:00:49 -04:00
Thomas Harte	e5d3140cd1	Avoid flurry of startup events, repeats.	2023-08-22 09:28:57 -04:00
Thomas Harte	79e9de34b6	Flip order of byte usage in double high res mono.	2023-08-21 22:20:42 -04:00
Thomas Harte	2b58f64161	Switch to maximal signalling rate.	2023-08-21 22:12:55 -04:00
Thomas Harte	bb84a5a474	Enable various ADB-controller interrupts.	2023-08-21 15:35:13 -04:00
Thomas Harte	357a324e87	Add exposition.	2023-08-20 15:34:40 -04:00
Thomas Harte	b8e7c2b8ac	Remove printf.	2023-08-20 15:33:30 -04:00
Thomas Harte	3e2a82b638	Add delta capper.	2023-08-20 15:32:48 -04:00
Thomas Harte	1125286b96	Add note to self.	2023-08-20 15:03:28 -04:00
Thomas Harte	17f1f05064	Hit and hope appears to have fixed mouse input.	2023-08-20 15:02:25 -04:00
Thomas Harte	b34403164e	Abstract out VGC interrupt register; fix clearing bug.	2023-08-18 14:30:40 -04:00