82 Commits

Author	SHA1	Message	Date
Thomas Harte	8b0d550b81	Attempts to move vertical sync out to cycle 30.	2019-11-08 22:18:47 -05:00
Thomas Harte	d1259f829e	Moves vertical state decisions back to cycle 502.	2019-11-08 21:42:05 -05:00
Thomas Harte	7caef46c05	Switches back to hsync for interrupts; corrects current address reads.	2019-11-08 21:25:28 -05:00
Thomas Harte	6902251d8b	Fixed: returns video address in bytes, not words.	2019-11-08 20:47:08 -05:00
Thomas Harte	0b683b0360	Adds some sanity checks.	2019-11-08 20:46:24 -05:00
Thomas Harte	5d5dc79f2c	Corrects raster race condition with CPU.	2019-11-07 23:27:05 -05:00
Thomas Harte	b7c407be10	The palette is meant to be read/write.	2019-11-07 23:11:06 -05:00
Thomas Harte	f45798faf0	Corrects initial safe value of line_length_.	2019-11-07 22:53:26 -05:00
Thomas Harte	7c66d7a13c	Corrects sync and line-length latch timings.	2019-11-07 22:53:04 -05:00
Thomas Harte	5e1570258d	I think the horizontal interrupt is blank, not sync.	2019-11-07 22:00:50 -05:00
Thomas Harte	fc8021c0b0	Adds a centre crop.	2019-11-07 20:02:45 -05:00
Thomas Harte	c9cd56915e	Corrects typo that was adding an extra line of PAL video.	2019-11-07 19:55:49 -05:00
Thomas Harte	1fd19c5786	Attempts to add proper bus timing.	2019-11-07 19:55:00 -05:00
Thomas Harte	ce66b5fd9c	Corrected member variable names.	2019-11-07 19:44:22 -05:00
Thomas Harte	8aa425c9d8	Fixes medium resolution mode.	2019-11-06 23:25:36 -05:00
Thomas Harte	ec68bc5047	Corrects output glitches: channel de sync and improper border beginnings.	2019-11-06 22:37:05 -05:00
Thomas Harte	0ce807805d	Eliminates most masks, at least for now.	2019-11-05 23:17:59 -05:00
Thomas Harte	41f3c29e30	Attempts to switch to correct video state machine. ... Some glitches remain to be ironed out.	2019-11-05 23:02:25 -05:00
Thomas Harte	8df1eea955	Goes big on flushing.	2019-11-03 23:03:50 -05:00
Thomas Harte	eeafdf2c03	Slightly expands list of recognised Intelligent Keyboard commands.	2019-11-03 21:58:15 -05:00
Thomas Harte	befe2c2929	Adds floppy drive activity indicators.	2019-11-03 21:57:54 -05:00
Thomas Harte	e9965c2738	Obeys stated memory size.	2019-11-03 21:18:17 -05:00
Thomas Harte	48b0d8c329	Adds bus req/ack to the DMA controller; hacks support into the ST.	2019-11-03 21:11:25 -05:00
Thomas Harte	4dbd2a805a	Nudges closer to DMA support.	2019-11-03 17:24:36 -05:00
Thomas Harte	20bf425f98	Drive select lines are active low.	2019-11-02 23:37:56 -04:00
Thomas Harte	0567410bcf	Attempts to start getting the WDC working.	2019-11-02 23:26:42 -04:00
Thomas Harte	6d1e09ba55	Connects up the AY to floppy drive/side selection.	2019-11-02 23:04:08 -04:00
Thomas Harte	f40dbefa67	Implements most of keyboard input.	2019-11-02 22:30:02 -04:00
Thomas Harte	f93cdd21de	Reverses bit order. ... So, for the first time: a green desktop.	2019-11-02 21:53:04 -04:00
Thomas Harte	e1dc3b1915	Reverses mouse buttons. ... So I can now navigate the disk-less GEM desktop and click on things.	2019-11-02 21:38:57 -04:00
Thomas Harte	cbf25a16dc	Adds relative mouse motion input.	2019-11-02 21:25:45 -04:00
Thomas Harte	bf7e9cfd62	Pulls the intelligent keyboard into its own file.	2019-11-02 19:47:44 -04:00
Thomas Harte	a67e0014a4	Fixes video base address and mono/colour monitor value. ... Now I see a GEM desktop. In blue.	2019-11-02 19:36:15 -04:00
Thomas Harte	c070f2100c	Attempts to regularise data bus access.	2019-11-01 23:01:06 -04:00
Thomas Harte	75e34b4215	Reacts to no acknowledgement.	2019-10-31 21:00:05 -04:00
Thomas Harte	731dc350b4	Adds sometime real-time clocking for DMA.	2019-10-30 22:59:32 -04:00
Thomas Harte	635e18a50d	Ensures the MFP requests and receives real-time clocking when needed.	2019-10-30 22:42:06 -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	1135576a3a	Comments in slightly more detail.	2019-10-28 22:12:56 -04:00
Thomas Harte	1d790ec2a9	Adds the option for a clock conversion to JustInTimeActor and slows the MFP's clock rate.	2019-10-28 21:35:10 -04:00
Thomas Harte	0f2d72c436	Ensures receipt of output line changes.	2019-10-28 21:21:53 -04:00
Thomas Harte	95d3b6e79f	Adds a through route for the FDC interrupt line.	2019-10-28 21:13:21 -04:00
Thomas Harte	d44734d105	Attempts a fuller setting of GPIP inputs.	2019-10-27 22:39:21 -04:00
Thomas Harte	1aaa6331a0	Stores and returns video mode.	2019-10-27 22:39:00 -04:00
Thomas Harte	0cb19421e8	Adds prefix to mouse position response.	2019-10-27 21:46:03 -04:00
Thomas Harte	36a9a5288b	Adds drives to the FDC.	2019-10-26 22:39:11 -04:00
Thomas Harte	ac39fd0235	Starts work on the DMA controller.	2019-10-26 21:33:57 -04:00
Thomas Harte	ecc0cea5a1	Added a potential branch for the newer TOS memory map.	2019-10-26 16:52:06 -04:00
Thomas Harte	eae11cbf17	Adds a dummy response for mouse interrogation.	2019-10-26 16:14:24 -04:00
Thomas Harte	2207638287	Adds hsync and vsync interrupts.	2019-10-25 22:42:13 -04:00