19 Commits

Author	SHA1	Message	Date
Thomas Harte	83cfacc0a5	Update TODOs.	2023-12-07 10:03:52 -05:00
Thomas Harte	b385e6edad	Revise guess as to address wrapping.	2023-12-06 22:03:24 -05:00
Thomas Harte	8645a4b7b1	Walk further towards user display configuration.	2023-12-06 14:44:59 -05:00
Thomas Harte	ff000a5792	Support remainder of colour control.	2023-12-06 14:38:43 -05:00
Thomas Harte	1c7f8841f4	Avoid potential lengthy startup; work towards display option.	2023-12-06 13:55:41 -05:00
Thomas Harte	fd298ffbe9	Remove dead TODO.	2023-12-06 13:15:36 -05:00
Thomas Harte	987a5dbfbf	Honour monochrome flag.	2023-12-06 13:15:17 -05:00
Thomas Harte	0bb74f405f	Ensure lines are in-phase with the NTSC colour subcarrier.	2023-12-06 13:12:58 -05:00
Thomas Harte	1aa168054e	Add a phoney colour burst.	2023-12-06 13:10:28 -05:00
Thomas Harte	6d7c6de32f	Fix flush_pixels for 640px mode.	2023-12-06 11:50:16 -05:00
Thomas Harte	d3021e8c90	Attempt _something_ for 640px mode.	2023-12-06 11:42:35 -05:00
Thomas Harte	6adaf89934	Make first attempt at palette support.	2023-12-06 11:19:04 -05:00
Thomas Harte	bf49f745bf	Attempt to distinguish clocks.	2023-12-06 10:41:20 -05:00
Thomas Harte	c5aa3fc75c	Start mangling towards pixel output.	2023-12-06 10:30:30 -05:00
Thomas Harte	f455f07ba2	Support half-clocked mode.	2023-12-06 09:59:14 -05:00
Thomas Harte	561e50a24d	Implement most of CGA text mode.	2023-12-06 09:42:22 -05:00
Thomas Harte	24eaf95e9d	Limit to eight pixels per fetch, to produce stable video.	2023-12-06 09:13:47 -05:00
Thomas Harte	e43f960934	Produce incorrect output from proper clock; capture mode.	2023-12-05 23:01:08 -05:00
Thomas Harte	b2b05b590f	Clone the MDA class to CGA.	2023-12-05 22:37:33 -05:00