39 Commits

Author	SHA1	Message	Date
Thomas Harte	5ccb512883	Moves the CIAs into the Chipset class. ... This reflects the routing of interrupt signals for now, but also prepares for the addition of disk drives.	2021-10-04 06:44:54 -07:00
Thomas Harte	1502c4530e	Takes a further step towards real timing.	2021-08-08 21:52:28 -04:00
Thomas Harte	c1df4d1c0b	Mirroring is correct.	2021-08-08 20:20:12 -04:00
Thomas Harte	7f2610c4fc	Disambiguates serial control logs.	2021-08-07 16:57:30 -04:00
Thomas Harte	25e2bd307a	Sets VPA for CIA accesses; logs a little more.	2021-08-05 20:06:48 -04:00
Thomas Harte	3514e537ca	Minor logging tweaks.	2021-07-30 18:22:59 -04:00
Thomas Harte	759007ffc1	Attempts to route CIA interrupts.	2021-07-28 19:36:30 -04:00
Thomas Harte	604232acd9	Establish appropriate word-size mask.	2021-07-27 22:23:38 -04:00
Thomas Harte	3544746934	Modifies interface, starts on scheduler. ... Probably corrects the pixel clock, which I think was scaled up by a factor of 4.	2021-07-27 16:41:18 -04:00
Thomas Harte	a43175125a	Assuming I'm going to keep this synchronous, extends function signature.	2021-07-26 20:13:06 -04:00
Thomas Harte	ffded619e6	Returns track 0 found, as a guess.	2021-07-26 18:44:01 -04:00
Thomas Harte	bcb7bb5cce	Improves logging further. ... To investigate the new perpetual loop.	2021-07-26 17:02:30 -04:00
Thomas Harte	87dcd82f69	Makes a first attempt at some sort of interrupt functionality.	2021-07-26 16:40:42 -04:00
Thomas Harte	e3bb9fc1d7	Increase logging.	2021-07-23 23:10:00 -04:00
Thomas Harte	d898a43dff	Implements time-of-day counters, provisionally. ... Interrupts to do.	2021-07-23 21:24:07 -04:00
Thomas Harte	86c30769d9	Add a divide-by-ten for the CIAs.	2021-07-23 19:25:53 -04:00
Thomas Harte	87d2fc1491	Adds enough raster position to return something.	2021-07-22 21:45:51 -04:00
Thomas Harte	2bc9af09e1	Factors out the chipset.	2021-07-22 21:16:23 -04:00
Thomas Harte	d1ac54fe92	Stubs in sprite containers.	2021-07-22 19:00:26 -04:00
Thomas Harte	9468adf737	Stubs in Copper addresses.	2021-07-22 18:51:23 -04:00
Thomas Harte	e85db40b0f	Sketches out a blitter class.	2021-07-22 18:43:07 -04:00
Thomas Harte	b3d55cc16d	Adds non-committal reads for some write-only registers. ... The hardware now proceeds to trying to talk to the Blitter. So that's next.	2021-07-22 16:10:30 -04:00
Thomas Harte	3ee1fc544f	Fix: (1) memory base adjustment; (2) out-of-bounds writes.	2021-07-21 21:49:20 -04:00
Thomas Harte	ba2e5a97a9	Provisionally adds a status LED.	2021-07-19 22:31:36 -04:00
Thomas Harte	4515d1220c	Switches CIA A/B byte connections; applies reset to memory map.	2021-07-19 22:17:40 -04:00
Thomas Harte	486959bce8	With minor additional logging, it appears the Amiga just keeps resetting itself.	2021-07-19 21:50:35 -04:00
Thomas Harte	e1a410bf3d	Further mildly increases logging.	2021-07-19 20:54:32 -04:00
Thomas Harte	3767cc7c0b	Increase logging; fix set/clear of interrupt enable mask.	2021-07-19 19:03:37 -04:00
Thomas Harte	22dd8a8847	Stubs onward to a second endless loop.	2021-07-18 20:55:33 -04:00
Thomas Harte	3e2bac8129	Stubs in enough to get to a permanent loop.	2021-07-18 20:25:43 -04:00
Thomas Harte	c425dec4d5	Makes some attempt to get as far as the overlay being disabled.	2021-07-18 17:17:41 -04:00
Thomas Harte	622cca0acf	Adds sufficient address decoding to print a more helpful exit message.	2021-07-18 12:13:56 -04:00
Thomas Harte	48999c03a5	Adds concept of time, captured port handler.	2021-07-18 11:49:10 -04:00
Thomas Harte	b1616be4b8	Gets to what is probably a CIA access?	2021-07-17 21:36:20 -04:00
Thomas Harte	a0a9a72d8f	Begins sketching out a memory mapper.	2021-07-17 21:10:06 -04:00
Thomas Harte	f7de6f790c	Meanders vaguely towards a memory map.	2021-07-16 21:42:17 -04:00
Thomas Harte	d1f3b5ed80	Obtains a Kickstart ROM, adds a 68000.	2021-07-16 21:07:12 -04:00
Thomas Harte	7925dcc5a2	Advances far enough for the Amiga to be autonomous.	2021-07-16 20:49:12 -04:00
Thomas Harte	6ade36bf09	Adds an empty shell of a machine.	2021-07-16 20:30:48 -04:00