2689 Commits

Author	SHA1	Message	Date
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	7af5737ec5	Switch to LOG.	2021-11-24 16:15:40 -05:00
Thomas Harte	0df8173536	Merge branch 'master' into Amiga	2021-11-24 08:58:03 -05:00
Thomas Harte	f5d3d6bcea	Splits the lowpass filter into push and pull variants.	2021-11-21 15:37:29 -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