34 Commits

Author	SHA1	Message	Date
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