14 Commits

Author	SHA1	Message	Date
Jorj Bauer	7184edea8d	fix drawing of single-HGR	2021-01-17 20:45:55 -05:00
Jorj Bauer	ecb32dd873	fix colors in double-hi-res; bit order is swizzled like in double-lo-res	2021-01-17 08:42:53 -05:00
Jorj Bauer	b6bbbe5a2b	graphics/text page reads don't come from alt banks of RAM	2021-01-16 20:18:13 -05:00
Jorj Bauer	766e04a820	tweak handling of B&W for GEOS. Not perfect on a scaled display.	2021-01-11 12:32:42 -05:00
Jorj Bauer	f131910df2	abstract drawing so devices may have full or half resolution; rebuild BIOS interface	2018-02-17 20:44:04 -05:00
Jorj Bauer	0bb712fc70	Static RAM allocator for VM with just the necessary pages allocated	2018-01-10 05:16:41 -05:00
Jorj Bauer	7da0ed9a2b	refactor of UI layer	2018-01-07 14:44:23 -05:00
Jorj Bauer	a7582b5154	minor pfutzing with display; moving toward per-area blit	2017-12-28 08:04:46 -05:00
Jorj Bauer	c2e117745f	abstract the difference between the rowspans in various bitmaps	2017-02-28 08:15:11 -05:00
Jorj Bauer	691b2de8bb	convert primitive drawing routines to macros	2017-02-27 08:12:18 -05:00
Jorj Bauer	85d81d398a	segregating CPU and timing-sensitive sound operations from drawing/disk IO/debugging	2017-02-26 19:59:51 -05:00
Jorj Bauer	ceebb3b1d4	optimize the case of "redraw all the text"	2017-02-26 14:23:53 -05:00
Jorj Bauer	969aa402ad	track area of the screen that's dirty	2017-02-26 11:00:08 -05:00
Jorj Bauer	218b3b77a0	general VM structure and a test OpenCV target	2017-02-19 18:55:54 -05:00