247 Commits

Author	SHA1	Message	Date
Thomas Harte	dbae3fc9a5	Propagate to bitplanes immediately; fix odd/even confusion.	2021-12-18 16:37:40 -05:00
Thomas Harte	c834960bfb	Withdraw separate x-and-y guess, make MOVE lose a cycle if a sleep/wake occurs.	2021-12-12 19:18:18 -05:00
Thomas Harte	600abc55b5	Compare x and y separately, wake immediately from a sleep, log more.	2021-12-12 17:26:33 -05:00
Thomas Harte	f3ec7d54bb	Clarifies wait-for-CPU-slot semantics. ... Big bonus: this guarantees `advance_dma`s will be called at most once per output cycle, even if they return `false`.	2021-12-09 19:17:44 -05:00
Thomas Harte	2b0415d552	Attempt to avoid off-by-one buffer reads, add modulation.	2021-12-06 19:28:40 -05:00
Thomas Harte	066e4421e8	Attempt volcntrld.	2021-12-06 06:35:08 -05:00
Thomas Harte	f02a241249	Inserts an additional reload.	2021-12-05 17:47:12 -05:00
Thomas Harte	a5fe1e4259	Largely debugs audio state machine. ... I think I'm still missing an address reload somewhere though, and attachment doesn't actually push.	2021-12-05 15:27:35 -05:00
Thomas Harte	9b80563443	Exposes targets for modulation.	2021-12-05 06:38:55 -05:00
Thomas Harte	91b5da06e3	Perform reload on Disabled -> WaitingForDummyDMA.	2021-12-04 19:17:40 -05:00
Thomas Harte	7320f96ae7	Capture attachment flags.	2021-12-04 18:02:43 -05:00
Thomas Harte	fdf2b9cd7b	Add local data pointers.	2021-12-04 17:58:41 -05:00
Thomas Harte	bfc70a1b60	Ensure interrupt request bits always propagate.	2021-12-04 16:50:42 -05:00
Thomas Harte	aff7a93106	Move DMAFlags to Flags.hpp.	2021-12-04 08:26:28 -05:00
Thomas Harte	3b027c4593	Switch and -> or for testing transitions from ::PlayingLow.	2021-12-04 08:24:41 -05:00
Thomas Harte	42d3bdd373	Adds a begin_state template.	2021-12-04 07:20:17 -05:00
Thomas Harte	57789092c1	Keep audio fetches in bounds.	2021-12-03 07:16:21 -05:00
Thomas Harte	6bc5268cbd	Reload period counter on low -> high transition.	2021-12-02 18:43:02 -05:00
Thomas Harte	e6fe36f45c	Add buffer-length assert; add <tuple> where std::tuple_size is used.	2021-12-02 12:53:20 -05:00
Thomas Harte	06b6f85d55	Correct stereo.	2021-12-02 11:15:29 -05:00
Thomas Harte	d6f1ea50a6	Switch to slightly more straightforward presumption of no data wanted.	2021-12-02 09:41:16 -05:00
Thomas Harte	9554869886	Simplify DMA logic.	2021-12-02 09:33:02 -05:00
Thomas Harte	364059551c	Add extra notes per errata, plus bonus state code repetitions.	2021-12-02 09:30:52 -05:00
Thomas Harte	06340b1ad7	Advance DMA pointer, treat audio as signed, request data on low -> high transition. ... There's now some audio, sometimes when there should be. But it's not correct.	2021-12-01 18:34:54 -05:00
Thomas Harte	d23511860d	Attempts audio output.	2021-12-01 06:01:58 -05:00
Thomas Harte	a8dd4660b2	Adds a pipeline for audio output.	2021-12-01 05:37:58 -05:00
Thomas Harte	eb3a0eb3c7	Attempt full implementation of collisions.	2021-11-29 18:39:33 -05:00
Thomas Harte	cd0148e0bc	Switch to a default 1mb of Chip RAM.	2021-11-29 16:55:45 -05:00
Thomas Harte	8584ee609f	Support a fetch window start on line 0.	2021-11-28 05:37:49 -05:00
Thomas Harte	373847e2b7	Avoid posting redundant key events.	2021-11-28 05:31:00 -05:00
Thomas Harte	84f7d8dfc2	Factors out pixel generation, adds HAM.	2021-11-28 05:06:30 -05:00
Thomas Harte	e057a7d0dd	Attempts to implement sprite/playfield priorities.	2021-11-27 15:03:46 -05:00
Thomas Harte	7bab15bf99	Minor copy improvements.	2021-11-27 11:38:41 -05:00
Thomas Harte	dac40630fd	Adds support for the Blitter-busy flag to WAIT and SKIP.	2021-11-27 11:36:15 -05:00
Thomas Harte	33bfa1b81c	Move BitplaneShifter adjacent to expand_bitplane_byte.	2021-11-26 18:29:09 -05:00
Thomas Harte	8fc27dc292	Moves bitplane collection and shifter out of Chipset.[h/c]pp.	2021-11-26 18:16:24 -05:00
Thomas Harte	8b38c567d2	Add missing #include for std::clamp.	2021-11-26 18:08:39 -05:00
Thomas Harte	cd53e42d79	Resolve operator precedence.	2021-11-26 18:08:10 -05:00
Thomas Harte	bea6cf2038	Move mouse and joystick into a separate file, give a common parent.	2021-11-26 17:50:47 -05:00
Thomas Harte	eca80f1425	Sprites: avoid magic constants, ensure proper DMA resumption.	2021-11-26 16:02:18 -05:00
Thomas Harte	1c0962e53c	Move sprites into their own source file.	2021-11-26 15:30:31 -05:00
Thomas Harte	4b21549ff4	Add a couple of static asserts.	2021-11-26 15:23:54 -05:00
Thomas Harte	30d7b0129b	Correct sprite ordering within pairs.	2021-11-26 11:58:50 -05:00
Thomas Harte	ce6877d6e4	Sprites: infer part of DMA state from slot, no access during blank. ... Also sets the proper vertical blank length.	2021-11-26 09:37:52 -05:00
Thomas Harte	0ab5177637	Allow DMAState::FetchStopAndControl on y == v_stop_.	2021-11-25 14:29:12 -05:00
Thomas Harte	276cbfa505	Simplify sprite state machine. ... This now better matches the explanation given on Page 133 of the Amiga System Programmer's Guide.	2021-11-25 14:08:55 -05:00
Thomas Harte	012084b37b	Fix exclusive fill, sizing, eliminate ECS call-ins. ... The clock test now proceeds further, but still doesn't seem to pass.	2021-11-24 17:25:32 -05:00
Thomas Harte	a8a99f647f	Further improves framing.	2021-11-21 08:13:55 -05:00
Thomas Harte	ff68b26c44	Push HSYNC 11 slots over, to its proper position, and add a frame crop.	2021-11-20 12:39:50 -05:00
Thomas Harte	a94b4f62fd	Takes a stab at attached sprites.	2021-11-19 14:19:47 -05:00