126 Commits

Author	SHA1	Message	Date
Thomas Harte	ad78a03300	Default to CGA40 if starting a new composite PC.	2023-12-07 10:14:06 -05:00
Thomas Harte	5fde3b8d5d	Wire up a stub RTC plus appropriate option ROM.	2023-12-06 22:56:09 -05:00
Thomas Harte	8645a4b7b1	Walk further towards user display configuration.	2023-12-06 14:44:59 -05:00
Thomas Harte	6adaf89934	Make first attempt at palette support.	2023-12-06 11:19:04 -05:00
Thomas Harte	fdd599e71a	Unify CRTC routing.	2023-12-05 23:00:43 -05:00
Thomas Harte	b2b05b590f	Clone the MDA class to CGA.	2023-12-05 22:37:33 -05:00
Thomas Harte	5576588c2d	Fix drive enables, go back to FF for non-existent ports.	2023-12-05 22:02:41 -05:00
Thomas Harte	fd8afb6668	Devolve memory location and font ROM decision.	2023-12-05 16:46:39 -05:00
Thomas Harte	bdf9c4765b	Loosen the assumption of MDA.	2023-12-05 16:38:09 -05:00
Thomas Harte	6659a1dec5	Exit on EOP.	2023-12-05 15:37:25 -05:00
Thomas Harte	23c60ae9bc	Supply video adaptor type.	2023-12-05 15:19:58 -05:00
Thomas Harte	4265455c31	Unify DMA interface.	2023-12-05 14:52:14 -05:00
Thomas Harte	0bcb17985b	Eliminate further warnings.	2023-12-05 14:44:20 -05:00
Thomas Harte	9601c69e12	Implement blinking text.	2023-12-04 22:02:38 -05:00
Thomas Harte	9f65587a1d	Correct scan status scaling; rearrange FDC marginally.	2023-12-04 21:46:03 -05:00
Thomas Harte	b0d1dedb65	Support MDA control: display enable.	2023-12-04 16:34:46 -05:00
Thomas Harte	bf8a4b7efe	Ensure sector cache is cleared upon disk change.	2023-12-04 12:28:29 -05:00
Thomas Harte	edef0732ac	Avoid potential infinite read loops.	2023-12-04 12:19:21 -05:00
Thomas Harte	0d7646d42a	Add a cursor-type template parameter.	2023-12-04 09:45:32 -05:00
Thomas Harte	4957ae7de1	Support cursor at point of output.	2023-12-02 22:44:26 -05:00
Thomas Harte	c6b989d85b	Add an input queue, to avoid key drops.	2023-12-02 22:29:49 -05:00
Thomas Harte	208846a166	Attempt proper EOP semantics; multisector reads.	2023-12-02 18:38:26 -05:00
Thomas Harte	c31ee968df	TC: start tending towards meaning.	2023-12-02 15:24:47 -05:00
Thomas Harte	aa15fd1fff	Comment more.	2023-12-02 00:00:44 -05:00
Thomas Harte	691d1cce9e	Simplify and fix track caching.	2023-12-01 23:35:11 -05:00
Thomas Harte	7072a1661c	Flag floppy as present.	2023-12-01 22:44:21 -05:00
Thomas Harte	bc89cb7d06	Hack attack: ignore TC.	2023-12-01 17:30:32 -05:00
Thomas Harte	33a0c40c02	Support HLT.	2023-12-01 13:15:01 -05:00
Thomas Harte	365b62b4a7	Add TODO.	2023-12-01 09:50:11 -05:00
Thomas Harte	4d1e976b55	Flag drive as interrupting.	2023-12-01 09:49:50 -05:00
Thomas Harte	4429448815	Make some effort at terminating appropriate if no sector.	2023-12-01 09:47:52 -05:00
Thomas Harte	88e67d9ad6	Return some status after reading. Seemingly wrong.	2023-12-01 09:37:30 -05:00
Thomas Harte	d101483714	Hack in enough that disk contents end up in RAM.	2023-12-01 09:34:31 -05:00
Thomas Harte	5feac8ef14	Avoid duplicate symbol.	2023-12-01 07:36:12 -05:00
Thomas Harte	a96cb1ebd6	Decommit debugging hook.	2023-12-01 06:46:00 -05:00
Thomas Harte	9fc0d411fd	Further flesh out DMA, breaking POST.	2023-11-30 22:45:40 -05:00
Thomas Harte	0dc44e8efd	Adjust audio formulation. ... Probably still not right, but less wrong with the current input.	2023-11-30 14:37:13 -05:00
Thomas Harte	c076636df1	Fix typo.	2023-11-30 14:26:26 -05:00
Thomas Harte	c397da3e5a	Add TODOs.	2023-11-30 12:52:08 -05:00
Thomas Harte	5f6bbec741	Capture DMA high bytes, add actor for accesses.	2023-11-30 12:47:50 -05:00
Thomas Harte	7f0bb716f7	Grab sector contents, ready for more FDC work.	2023-11-29 15:55:37 -05:00
Thomas Harte	b7d3633b38	Log slightly more.	2023-11-29 15:30:47 -05:00
Thomas Harte	05504c8389	Accept and keep hold of disk images.	2023-11-29 15:20:14 -05:00
Thomas Harte	8d01829fa7	Adopt PC-style naming, limit to one drive.	2023-11-29 11:35:21 -05:00
Thomas Harte	be842ee2f1	Add drive indicator lights.	2023-11-29 11:31:37 -05:00
Thomas Harte	e034daa6c8	Capture motor state.	2023-11-29 09:52:16 -05:00
Thomas Harte	ce4bcf9064	Improve comment.	2023-11-29 09:50:08 -05:00
Thomas Harte	a992ae37b1	Mildly rearrange, to match enum order.	2023-11-29 09:49:15 -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