175 Commits

Author	SHA1	Message	Date
Thomas Harte	8f20cb93e9	Note missed status accesses.	2023-01-29 21:20:50 -05:00
Thomas Harte	73e79b14ea	Use Yamaha palette pervasively.	2023-01-29 21:17:00 -05:00
Thomas Harte	3142f5c21d	Be overt about what replaces LineMode.	2023-01-29 21:04:15 -05:00
Thomas Harte	6d7f189ce7	Attempt the full panoply of logical pixel modes, across all graphics modes.	2023-01-29 18:28:49 -05:00
Thomas Harte	a91a5b8d07	Refer to actual field.	2023-01-29 18:02:09 -05:00
Thomas Harte	4cdcd3ac7d	Retain logical operation, take colour combination outside the loop.	2023-01-29 13:29:19 -05:00
Thomas Harte	0576451102	Be overt about colour direction.	2023-01-29 13:22:56 -05:00
Thomas Harte	3f12a28f4f	Locate first pixel correctly.	2023-01-28 22:50:04 -05:00
Thomas Harte	41ba883fb6	Honour direction, start transfer immediately.	2023-01-28 22:47:27 -05:00
Thomas Harte	1e646eb57b	Improve transfer flag for LMMC.	2023-01-28 21:45:05 -05:00
Thomas Harte	2d6afe1013	Reduce repetition, tidy slightly.	2023-01-28 21:43:14 -05:00
Thomas Harte	d3c446d91b	Take a shot at LMMC.	2023-01-28 21:30:45 -05:00
Thomas Harte	975ead5d01	Edge towards not assuming graphics mode. Much more to do here.	2023-01-28 13:54:26 -05:00
Thomas Harte	c6cda7c401	Switch to absolute placement of deferred events; properly serialise commands.	2023-01-28 11:55:12 -05:00
Thomas Harte	7e69e33ec2	Use paletted Yamaha border colour.	2023-01-27 22:42:02 -05:00
Thomas Harte	95e00dd958	Take slightly wrong-headed steps towards proper command timing.	2023-01-27 22:20:36 -05:00
Thomas Harte	8a673a697b	Further adapt internal terminology.	2023-01-27 12:30:09 -05:00
Thomas Harte	75ad4cdb67	Fix line semantics.	2023-01-27 11:57:40 -05:00
Thomas Harte	d42b6df570	Retain extra pattern name address bits.	2023-01-27 06:44:11 -05:00
Thomas Harte	81b00c6d97	Add notes.	2023-01-26 22:25:10 -05:00
Thomas Harte	1e5f751bc0	Require STOP in order to stop.	2023-01-26 22:08:36 -05:00
Thomas Harte	9a65fffe16	That's PSET, not POINT.	2023-01-26 22:02:40 -05:00
Thomas Harte	515fa22bfe	Implement point.	2023-01-26 21:52:41 -05:00
Thomas Harte	66ac089cc2	Deallocate.	2023-01-26 21:49:32 -05:00
Thomas Harte	5d5098acb2	Hack in vertical scrolling.	2023-01-26 21:38:51 -05:00
Thomas Harte	1bf8406e7e	Correct deserialisation order.	2023-01-26 21:34:56 -05:00
Thomas Harte	75acbd2d6c	A quick hack shows some part of the MSX logo.	2023-01-26 21:31:49 -05:00
Thomas Harte	baa6f9b3cd	Implements the Command side of the line command.	2023-01-26 21:17:11 -05:00
Thomas Harte	1c6a0ad3f7	Clean up repetition.	2023-01-26 19:51:56 -05:00
Thomas Harte	fbfa26ad5e	Minor steps towards implementing Line.	2023-01-26 12:55:08 -05:00
Thomas Harte	b12fd00145	Generate an appropriate instance for line drawing.	2023-01-26 12:09:06 -05:00
Thomas Harte	0c8815d6a0	Retain command-engine context.	2023-01-26 11:59:27 -05:00
Thomas Harte	700470915a	Add pixel serialisation for Yamaha graphics mode 5.	2023-01-24 23:07:29 -05:00
Thomas Harte	f8b42d4107	While being lazy with types, implement 4/5/6/7 fetching.	2023-01-24 13:15:00 -05:00
Thomas Harte	63bd0f918d	Be overt about buffer target and vertical position.	2023-01-24 12:46:09 -05:00
Thomas Harte	445b34933a	Edge further towards actual fetching.	2023-01-23 23:19:04 -05:00
Thomas Harte	bbd8b011ba	Remove temporarily-faulty check.	2023-01-23 22:52:03 -05:00
Thomas Harte	15fbf4cb7f	Ensure Yamaha-style refresh is used in all modes.	2023-01-23 22:39:34 -05:00
Thomas Harte	7293f9dc10	Remove extraneous brackets, add comment to self.	2023-01-23 22:25:56 -05:00
Thomas Harte	8567c934b1	Ensure Yamaha refresh program is used.	2023-01-22 22:11:01 -05:00
Thomas Harte	2744a9b6b0	Tidy up.	2023-01-22 22:02:39 -05:00
Thomas Harte	91047e5b3a	Start attempting to use table-based Yamaha fetch.	2023-01-22 22:00:28 -05:00
Thomas Harte	c6dd7d4726	Transcribe no-sprite event list.	2023-01-22 20:19:21 -05:00
Thomas Harte	b7d80f5ed1	Copy in some notes, expand line buffer.	2023-01-21 23:04:48 -05:00
Thomas Harte	a5765abbad	Route into the Yamaha fetcher. ... Albeit that it doesn't yet fetch.	2023-01-21 22:47:16 -05:00
Thomas Harte	696ec12516	Add address rotation for applicable modes.	2023-01-21 22:33:26 -05:00
Thomas Harte	c9734df65c	Implement extended colour, sprite and RAM pointers.	2023-01-21 20:45:23 -05:00
Thomas Harte	13e490e7d7	Log selected screen mode.	2023-01-21 14:48:55 -05:00
Thomas Harte	cefcc1d443	Expand Yamaha graphics mode recognition.	2023-01-21 14:35:26 -05:00
Thomas Harte	d1f929e6f7	Just do a multiply and divide. Easy.	2023-01-21 14:19:52 -05:00