277 Commits

Author	SHA1	Message	Date
Thomas Harte	89abf7faeb	Take a guess at reintroducing a special case for end-of-blank.	2022-07-19 21:25:34 -04:00
Thomas Harte	57186c3c14	Don't limit sprite fetch area; add further commentary.	2022-07-19 16:37:13 -04:00
Thomas Harte	feee6afe0f	Improve documentation.	2022-07-19 16:19:19 -04:00
Thomas Harte	cb42ee3ade	Eliminate DMAState; it sounds like VSTOP solves this problem.	2022-07-19 16:11:29 -04:00
Thomas Harte	830704b4a9	Clarify and slightly improve state machine. ... No more using the visible flag to permit a DMA control fetch.	2022-07-19 15:39:57 -04:00
Thomas Harte	8f2e94a1d8	Switch name back to emphasise _async_.	2022-07-16 14:41:04 -04:00
Thomas Harte	76d5e53094	Fix red/blue confusion.	2022-07-15 16:24:07 -04:00
Thomas Harte	bf03bda314	Generalise AsyncTaskQueue, DeferringAsyncTaskQueue and AsyncUpdater into a single template.	2022-07-14 16:39:26 -04:00
Thomas Harte	6dabdaca45	Switch to int; attempt to do a better job of initial audio filling.	2022-07-09 13:33:46 -04:00
Thomas Harte	b097b1296b	Adopt granular flushing widely.	2022-07-08 16:04:32 -04:00
Thomas Harte	b03d91d5dd	Permit granular specification of what to flush.	2022-07-08 15:38:29 -04:00
Thomas Harte	fc0dc4e5e2	Amiga only, temporarily: attempt to reduce audio maintenance costs.	2022-07-07 16:41:49 -04:00
Thomas Harte	56aa182fb6	Fix debug builds.	2022-06-06 15:26:15 -04:00
Thomas Harte	9818c7e78c	Switch the Amiga to the newer 68000.	2022-06-06 11:10:56 -04:00
Thomas Harte	bfd28a04ba	Remove noise.	2022-03-18 10:41:20 -04:00
Thomas Harte	359ec257c0	Add a further state, seemingly to fix high-res mode.	2022-03-18 08:27:46 -04:00
Thomas Harte	88767e402c	Switch DDFSTART/STOP state machine.	2022-03-17 20:03:36 -04:00
Thomas Harte	e698cbf092	Silence debugging information.	2022-03-13 12:48:05 -04:00
Thomas Harte	f2ce646d8d	Undo 8-cycle-if-met WAIT.	2022-03-13 12:47:48 -04:00
Thomas Harte	acba357df6	Adds empty callouts for all serial port registers.	2021-12-23 15:22:20 -05:00
Thomas Harte	a17c192a9e	Allow chip RAM size selection, while I'm here.	2021-12-22 15:30:19 -05:00
Thomas Harte	1916a9b99c	Remove stdout noise.	2021-12-22 15:22:28 -05:00
Thomas Harte	9796b308dc	Add basic implementation of fast RAM.	2021-12-22 15:17:11 -05:00
Thomas Harte	d0e3024bec	Switch to nibble-oriented lookup tables for fill mode.	2021-12-19 17:16:46 -05:00
Thomas Harte	d2ad149e56	Fill mode always runs right to left.	2021-12-19 16:43:18 -05:00
Thomas Harte	348840a2aa	It's probably a net detriment to use a template in this scenario.	2021-12-19 16:31:44 -05:00
Thomas Harte	3a719633eb	Consolidate interface; correct LOGs.	2021-12-18 19:39:41 -05:00
Thomas Harte	bd69948d37	The Copper can now skip Chipset::perform.	2021-12-18 17:53:11 -05:00
Thomas Harte	54aa211f56	Avoid infinite loops for completely undefined addresses.	2021-12-18 17:48:45 -05:00
Thomas Harte	f118891970	Breaks Chipset::perform into read and write. ... This allows each to call the other when a read occurs of a write-only address, and vice versa.	2021-12-18 17:43:53 -05:00
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