77 Commits

Author	SHA1	Message	Date
Thomas Harte	9acc80260f	Eliminate phases due to lack of evidence.	2024-10-09 11:59:27 -04:00
Thomas Harte	7759fb7e68	Add TODO.	2024-10-09 11:48:08 -04:00
Thomas Harte	0d71724598	Eliminate extra-scanline flag.	2024-10-09 11:45:32 -04:00
Thomas Harte	ae436f7a51	Fix conflicting usages of EOF.	2024-10-09 11:16:12 -04:00
Thomas Harte	43ac20cbd2	Fix non-interlaced frame length.	2024-10-07 21:50:56 -04:00
Thomas Harte	2d90868f5c	Reinstitute cursor.	2024-10-07 21:13:44 -04:00
Thomas Harte	60987ae4a7	Round out interlaced output.	2024-10-07 20:53:41 -04:00
Thomas Harte	65c1d99120	Add, disable some logging.	2024-10-05 22:30:53 -04:00
Thomas Harte	35acf88847	Take a swing at adding an adjustment period.	2024-10-03 22:07:46 -04:00
Thomas Harte	2eb9fb6a08	Add faulty attempt at adjustment period.	2024-09-30 23:47:27 -04:00
Thomas Harte	e650f3772a	Limit vertical visibility.	2024-09-30 13:35:28 -04:00
Thomas Harte	e5ff4c65b7	Fix accidental skew, off-by-one end of line.	2024-09-30 13:20:18 -04:00
Thomas Harte	276809f76a	Stabilise image, albeit incorrectly.	2024-09-30 13:16:03 -04:00
Thomas Harte	5e3840c5f1	Attempt to skirt with coherence.	2024-09-29 23:08:39 -04:00
Thomas Harte	6eace2a3ef	Improve address counting.	2024-09-27 21:27:56 -04:00
Thomas Harte	7817b23857	Take a swing at vertical sync.	2024-09-27 21:14:57 -04:00
Thomas Harte	432854aeb5	Restore some form of visuals.	2024-09-26 22:08:22 -04:00
Thomas Harte	433c8f9c3c	Make negligible progress.	2024-09-25 19:30:08 -04:00
Thomas Harte	ea25dbfd1e	Begin CRTC rejig.	2024-09-23 21:11:54 -04:00
Thomas Harte	43887b42b1	Allow vsync on line 0.	2024-08-07 23:05:26 -04:00
Thomas Harte	a3d37640aa	Switch include guards to #pragma once.	2024-01-16 23:34:46 -05:00
Thomas Harte	42731be11f	Remove non-functional EGA switches.	2024-01-11 22:00:48 -05:00
Thomas Harte	e919386c79	Grab cursor type.	2024-01-11 15:10:43 -05:00
Thomas Harte	22b4b4d4e3	Switch to named values for everything except blink mode.	2024-01-09 22:03:24 -05:00
Thomas Harte	5f00d29297	Subsume vertical sync position.	2024-01-08 22:28:46 -05:00
Thomas Harte	f1453d9363	Introduce some vertical metrics.	2024-01-08 21:49:24 -05:00
Thomas Harte	8290220657	Begin process of meaningful naming. ... This is in part for readability, but primarily because the differences in VGA/EGA register definitions are better handled at set rather than during execution.	2024-01-08 15:35:44 -05:00
Thomas Harte	8c0ac6158c	Adjust indentation.	2024-01-01 22:45:11 -05:00
Thomas Harte	99351ee2de	Extend refresh address to 16-bit in 'EGA' mode.	2023-12-27 16:17:25 -05:00
Thomas Harte	a617f7305a	Move personality into type.	2023-12-27 16:15:52 -05:00
Thomas Harte	9601c69e12	Implement blinking text.	2023-12-04 22:02:38 -05:00
Thomas Harte	8103f8e682	Switch interpretation to support cursor on/off.	2023-12-04 15:54:56 -05:00
Thomas Harte	646c6b08f7	Make cursor blink.	2023-12-04 09:52:46 -05:00
Thomas Harte	0d7646d42a	Add a cursor-type template parameter.	2023-12-04 09:45:32 -05:00
Thomas Harte	5d8666b837	Enable the cursor signal; no blink action yet.	2023-12-03 17:57:19 -05:00
Thomas Harte	2b56b7be0d	Simplify namespace syntax.	2023-05-10 16:02:18 -05:00
Thomas Harte	25996ce180	Further doubles down on construction syntax for type conversions.	2020-05-09 23:00:39 -04:00
Thomas Harte	1c154131f9	Expands size of storage in Cycles/HalfCycles; adjusts widely to compensate.	2019-10-29 22:36:29 -04:00
Thomas Harte	5d6b5d9f10	Eliminates all emdashes in cross-platform code.	2018-05-13 15:34:31 -04:00
Thomas Harte	0b771ce61a	Removes all instances of the copyright symbol.	2018-05-13 15:19:52 -04:00
Thomas Harte	3944e734d3	Ensures full 6845 instance state initialisation and uses an unsigned shifter.	2017-10-17 22:10:28 -04:00
Thomas Harte	edb9fd301c	Begins this project's conversion to functional-style casts.	2017-10-03 22:04:15 -04:00
Thomas Harte	b30bb2a234	Adds an initial implementation of display skew, as a completely live property.	2017-08-29 22:16:40 -04:00
Thomas Harte	334afbc710	Removes const from get_status and get_register, as both may now logically mutate the object.	2017-08-27 18:13:55 -04:00
Thomas Harte	17c13624e5	Improved comments.	2017-08-27 18:11:40 -04:00
Thomas Harte	113349d272	Started making some formal admissions that different CRTC models exist. Plenty yet to do.	2017-08-27 18:10:07 -04:00
Thomas Harte	bdda701207	Reverts previous unevidenced change.	2017-08-26 22:58:16 -04:00
Thomas Harte	487fe83dca	Ensures that vertical sync and end-of-visible-lines conditions potentially trigger whenever line_counter_ changes, not only when it increments.	2017-08-26 17:54:54 -04:00
Thomas Harte	6c5a03187b	Relocates the HSYNC start test, in order to pass Arnold's cpctest HSYNC start position conformance test.	2017-08-26 17:22:48 -04:00
Thomas Harte	7d7aa2f5d5	Eliminates repetition of the unpacking of register 3 into a horizontal sync count.	2017-08-26 14:37:03 -04:00