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10,966 Commits 8 Branches 121 Tags 496 MiB
070f8d8bc3
Commit Graph

174 Commits

Author SHA1 Message Date
Thomas Harte
070f8d8bc3 Simplify control flow. 2023-12-12 09:29:28 -05:00
Thomas Harte
add3257258 Switch to using a Parser rather than duplicating one. 2023-12-11 19:13:37 -05:00
Thomas Harte
05bfab47d2 Merge branch 'master' into PCHD 2023-12-10 23:15:33 -05:00
Thomas Harte
7b9cc2332e Extend amount of time it takes keyboard to reset. 2023-12-10 22:44:24 -05:00
Thomas Harte
04d75a3ab8 Return proper day-of-the-month value. 2023-12-10 22:44:08 -05:00
Thomas Harte
98e05fb0e3 Introduce high-density tracks. 2023-12-10 22:17:23 -05:00
Thomas Harte
f823310fe3 Add an appropriate crop. 2023-12-08 14:29:23 -05:00
Thomas Harte
604fca7fb1 Revise colour burst phase guess. 2023-12-08 11:55:00 -05:00
Thomas Harte
e703721271 Tie snow avoidance to avoiding DEN. 2023-12-08 11:02:41 -05:00
Thomas Harte
664890cead Expose speed as an option. 2023-12-08 10:46:59 -05:00
Thomas Harte
3a103217d1 Add a compiletime 'turbo' flag for sort-of-80286 speeds. 2023-12-08 09:38:55 -05:00
Thomas Harte
4bfde2f30f Mostly silence PC. 2023-12-07 22:11:49 -05:00
Thomas Harte
2966a82690
Merge pull request #1258 from TomHarte/DiskWrite 
Respond appropriately if a write is attempted.
 2023-12-07 22:08:07 -05:00
Thomas Harte
d61d80afec It seems that write protection ends in not-ready. 2023-12-07 16:50:12 -05:00
Thomas Harte
1985d7da6a Do something on a write rather than nothing. 2023-12-07 16:45:21 -05:00
Thomas Harte
75b6030516 Don't lose brown upon a blink. 2023-12-07 14:53:59 -05:00
Thomas Harte
e691cc8723 Retain dark yellow for composite output. 2023-12-07 14:21:09 -05:00
Thomas Harte
c5745f71f6 Reduce repetition, map dark yellow to brown. 2023-12-07 13:11:20 -05:00
Thomas Harte
71069bef0f Correct get_scaled_scan_status. 2023-12-07 12:18:03 -05:00
Thomas Harte
8608f0f89d Adjust CGA clocking down by 1/7th. 2023-12-07 12:05:15 -05:00
Thomas Harte
ad78a03300 Default to CGA40 if starting a new composite PC. 2023-12-07 10:14:06 -05:00
Thomas Harte
0f22ee5de4 Add TODO. 2023-12-07 10:08:43 -05:00
Thomas Harte
83cfacc0a5 Update TODOs. 2023-12-07 10:03:52 -05:00
Thomas Harte
ef0c3549d2 Attempt but fail to indicate PM. 2023-12-06 23:28:16 -05:00
Thomas Harte
e3119a4904 Hack in read-only versions of the main registers. 2023-12-06 23:25:34 -05:00
Thomas Harte
5fde3b8d5d Wire up a stub RTC plus appropriate option ROM. 2023-12-06 22:56:09 -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
fdd599e71a Unify CRTC routing. 2023-12-05 23:00:43 -05:00
Thomas Harte
84ee683ad3 Remove redundant, false comment. 2023-12-05 23:00:21 -05:00
Thomas Harte
b2b05b590f Clone the MDA class to CGA. 2023-12-05 22:37:33 -05:00
Thomas Harte
c5ec9ae171 Adjust MDA clock; it's slightly slower than my guess. 2023-12-05 22:31:37 -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