283 Commits

Author	SHA1	Message	Date
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
Thomas Harte	bcc959d938	Sprites: deconflate vertical and modification flags; disarm on CTL not POS.	2021-11-19 08:03:10 -05:00
Thomas Harte	cf25d8a378	Increase logging (but leave it disabled).	2021-11-19 08:01:23 -05:00
Thomas Harte	693d46f8ea	Mask by index, not colour.	2021-11-18 05:36:38 -05:00
Thomas Harte	3496ebd1d7	Constrain sprite fetches to Chip RAM.	2021-11-17 17:49:42 -05:00
Thomas Harte	be763cf7fe	Expose joystick to the world.	2021-11-17 15:33:46 -05:00
Thomas Harte	c3b4bee210	Adds a joystick class.	2021-11-17 14:26:51 -05:00
Thomas Harte	6df0227ab1	Hacks in a basic effort at dual playfields.	2021-11-16 18:26:27 -05:00
Thomas Harte	2a3a7fa8a0	Reset will_request_interrupt.	2021-11-15 16:00:35 -05:00
Thomas Harte	50a6496399	Avoids over-greedy DMA.	2021-11-15 12:31:15 -05:00
Thomas Harte	c99dee86dd	Adds missing low -> high actions, implements more transitions.	2021-11-15 12:29:32 -05:00
Thomas Harte	0c5bb9626b	Separates state transitions and tests.	2021-11-15 05:29:28 -05:00
Thomas Harte	a9971917f5	Attempts a translation of Commodore's documentation.	2021-11-14 14:54:33 -05:00
Thomas Harte	4c62611da3	Adds enough state machine to get into the near-incomprehensible stuff on the right.	2021-11-14 10:48:50 -05:00
Thomas Harte	47f36f08fb	Switches to a synchronous audio state machine; renames advance -> advance_dma. ... I can worry about how to just-in-time things once I better understand the hardware in general.	2021-11-13 15:53:41 -05:00
Thomas Harte	f906bab1a5	Provides feedback on interrupt flags, starts on state machine.	2021-11-13 11:05:39 -05:00
Thomas Harte	fffc03c4e4	Propagates time to the audio subsystem.	2021-11-12 15:30:52 -05:00
Thomas Harte	0a94184d6b	Provides a greater wealth of audio data.	2021-11-11 09:24:15 -05:00
Thomas Harte	7be3578497	Adds a target for audio writes.	2021-11-09 07:11:23 -05:00
Thomas Harte	eeaccb8ac0	Implements clear_all_keys.	2021-11-08 17:49:09 -05:00
Thomas Harte	8ef9a932aa	Adds inclusive fill test; fixes inclusive fills.	2021-11-07 14:26:13 -08:00
Thomas Harte	31e22e4cfb	Provides full serial input.	2021-11-07 05:19:16 -08:00
Thomas Harte	ecfe68d70f	Introduce the principle that a Serial::Line can be two-wire — clock + data.	2021-11-06 16:54:20 -07:00
Thomas Harte	c0c2b5e3a9	Post key actions to the nominated serial line. ... Albeit that I'm still thinking through whether I want the option of including a clock on Serial::Line. It'd be natural in one sense — there's already one built in — but might weaken Serial::Line's claim to be a one-stop shop for both enqueued and real-time connections without a reasonable bit of extra work.	2021-11-06 12:03:09 -07:00
Thomas Harte	471e13efbc	Transcribes keycodes.	2021-11-04 18:54:42 -07:00
Thomas Harte	c9bf2dda16	Attempt implementation of disk sync.	2021-11-02 18:18:59 -07:00
Thomas Harte	3ceb378b9b	Relocate disk logic into a separate compilation unit.	2021-11-02 17:35:23 -07:00
Thomas Harte	1cf1c90511	Adds support for interlaced output.	2021-11-02 14:34:03 -07:00
Thomas Harte	d989825216	Add bonus notes on VPOSR.	2021-11-02 03:47:39 -07:00
Thomas Harte	3976420b88	Retains a little more of output controls.	2021-11-01 17:15:36 -07:00
Thomas Harte	2f1ce5fe43	Switch to using the swizzled palette for playfield output.	2021-11-01 14:44:30 -07:00
Thomas Harte	42145a5b8a	Delay bitplane installation until end of slot.	2021-11-01 14:18:58 -07:00
Thomas Harte	4e66017205	Enable sprite reuse and toggle to inactive when visible region is over.	2021-10-31 16:52:48 -07:00
Thomas Harte	299d517449	Performs a first implementation of fill mode.	2021-10-31 14:36:31 -07:00
Thomas Harte	4c1ab6ff25	Rethinks bitplane stops.	2021-10-31 09:01:38 -07:00
Thomas Harte	16f31cab6a	Avoid duplication of CIA select test.	2021-10-30 12:05:18 -07:00
Thomas Harte	02c88e6826	VHPOSR's fields are the other way around.	2021-10-30 12:04:46 -07:00
Thomas Harte	d25804f4a2	Throws in official register names.	2021-10-29 14:05:11 -07:00
Thomas Harte	edb75e69cb	Implement bitplane modulos.	2021-10-29 11:29:22 -07:00
Thomas Harte	f3e895f17c	Tag intended unused parameters.	2021-10-29 06:21:02 -07:00
Thomas Harte	b952d73e83	Disallow programmatic setting of blitter status.	2021-10-29 06:19:57 -07:00
Thomas Harte	07facc0636	Takes a stab at BZERO.	2021-10-28 18:12:46 -07:00
Thomas Harte	da1a69be27	Caps mouse speed. ... Also takes another guess at CIA interrupt bits. To no avail.	2021-10-27 18:38:02 -07:00
Thomas Harte	b10f5ab110	Apply A mask when loading into barrel shifter.	2021-10-26 20:02:28 -07:00
Thomas Harte	b4286bb42b	Modulos are subtracted in descending mode.	2021-10-26 07:21:51 -07:00
Thomas Harte	139d35c6f9	Switches to basic use of sprite shifters.	2021-10-25 20:58:48 -07:00
Thomas Harte	cb24457b4a	Starts on a two-at-a-time sprite shifter.	2021-10-25 16:30:30 -07:00
Thomas Harte	9f3efb7f05	Limits graphical output to [all but one bit] of the display window.	2021-10-25 14:12:23 -07:00
Thomas Harte	e6001e0f22	Shifts bitplanes irrespective of output window.	2021-10-25 13:59:39 -07:00
Thomas Harte	c6535bf035	Switches bitplane shifter to returning four high-res pixels at a time.	2021-10-25 13:34:36 -07:00
Thomas Harte	7118a515e0	Reduce logging in trustworthy areas.	2021-10-23 20:36:41 -07:00
Thomas Harte	952451c9b8	Add mouse input.	2021-10-23 20:17:13 -07:00
Thomas Harte	610327a04e	Fix sprite H start bit order.	2021-10-22 23:20:20 -07:00
Thomas Harte	2121e32409	Fix sprite bit ordering.	2021-10-22 21:10:01 -07:00
Thomas Harte	7ec21edc2f	Attempts to hack in some form of sprite display.	2021-10-22 19:51:10 -07:00
Thomas Harte	003162f710	Limit to specific purpose.	2021-10-22 16:16:19 -07:00
Thomas Harte	040ac93042	Takes a shot at the vertical stuff of sprite DMA.	2021-10-22 14:32:59 -07:00
Thomas Harte	b489ba3d0d	Adds sprite DMA windows.	2021-10-22 13:07:20 -07:00
Thomas Harte	c5e8b547af	Captures the attach flag and observes activation rule.	2021-10-22 11:21:58 -07:00
Thomas Harte	e67de90ad0	Starts to bring sprites inside DMADevice orthodoxy.	2021-10-21 21:57:46 -07:00
Thomas Harte	c3c84c88a1	Switch to ahead-of-time planar to chunky conversion.	2021-10-21 20:48:57 -07:00
Thomas Harte	0dc9c4cee1	Undo hard-coding of fetch window.	2021-10-19 15:18:39 -07:00
Thomas Harte	b312a61a81	Add two dummy reads.	2021-10-16 13:30:45 -07:00
Thomas Harte	4917556a99	The shift goes the other way in descending mode.	2021-10-16 11:09:40 -07:00
Thomas Harte	aa6b0f07b7	Correct filename.	2021-10-16 05:37:46 -07:00