Thomas Harte
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804c12034c
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Apply blitter priority bit.
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2022-07-26 16:07:26 -04:00 |
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Thomas Harte
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ce7f57f251
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Switch to regular integer types for flags.
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2022-07-26 09:22:05 -04:00 |
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Thomas Harte
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426eb0f79b
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Add comments, fix playfield sprite masking.
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2022-07-22 17:01:38 -04:00 |
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Thomas Harte
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6beca141d5
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Reinstate assumption of no sprites in vertical blank.
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2022-07-21 08:41:50 -04:00 |
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Thomas Harte
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89abf7faeb
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Take a guess at reintroducing a special case for end-of-blank.
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2022-07-19 21:25:34 -04:00 |
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Thomas Harte
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57186c3c14
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Don't limit sprite fetch area; add further commentary.
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2022-07-19 16:37:13 -04:00 |
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Thomas Harte
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cb42ee3ade
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Eliminate DMAState; it sounds like VSTOP solves this problem.
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2022-07-19 16:11:29 -04:00 |
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Thomas Harte
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830704b4a9
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Clarify and slightly improve state machine.
No more using the visible flag to permit a DMA control fetch.
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2022-07-19 15:39:57 -04:00 |
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Thomas Harte
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76d5e53094
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Fix red/blue confusion.
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2022-07-15 16:24:07 -04:00 |
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Thomas Harte
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9818c7e78c
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Switch the Amiga to the newer 68000.
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2022-06-06 11:10:56 -04:00 |
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Thomas Harte
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bfd28a04ba
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Remove noise.
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2022-03-18 10:41:20 -04:00 |
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Thomas Harte
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359ec257c0
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Add a further state, seemingly to fix high-res mode.
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2022-03-18 08:27:46 -04:00 |
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Thomas Harte
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88767e402c
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Switch DDFSTART/STOP state machine.
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2022-03-17 20:03:36 -04:00 |
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Thomas Harte
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acba357df6
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Adds empty callouts for all serial port registers.
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2021-12-23 15:22:20 -05:00 |
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Thomas Harte
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348840a2aa
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It's probably a net detriment to use a template in this scenario.
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2021-12-19 16:31:44 -05:00 |
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Thomas Harte
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3a719633eb
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Consolidate interface; correct LOGs.
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2021-12-18 19:39:41 -05:00 |
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Thomas Harte
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bd69948d37
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The Copper can now skip Chipset::perform.
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2021-12-18 17:53:11 -05:00 |
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Thomas Harte
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54aa211f56
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Avoid infinite loops for completely undefined addresses.
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2021-12-18 17:48:45 -05:00 |
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Thomas Harte
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f118891970
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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.
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2021-12-18 17:43:53 -05:00 |
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Thomas Harte
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dbae3fc9a5
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Propagate to bitplanes immediately; fix odd/even confusion.
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2021-12-18 16:37:40 -05:00 |
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Thomas Harte
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f3ec7d54bb
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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`.
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2021-12-09 19:17:44 -05:00 |
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Thomas Harte
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bfc70a1b60
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Ensure interrupt request bits always propagate.
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2021-12-04 16:50:42 -05:00 |
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Thomas Harte
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e6fe36f45c
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Add buffer-length assert; add <tuple> where std::tuple_size is used.
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2021-12-02 12:53:20 -05:00 |
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Thomas Harte
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a8dd4660b2
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Adds a pipeline for audio output.
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2021-12-01 05:37:58 -05:00 |
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Thomas Harte
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eb3a0eb3c7
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Attempt full implementation of collisions.
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2021-11-29 18:39:33 -05:00 |
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Thomas Harte
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8584ee609f
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Support a fetch window start on line 0.
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2021-11-28 05:37:49 -05:00 |
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Thomas Harte
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84f7d8dfc2
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Factors out pixel generation, adds HAM.
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2021-11-28 05:06:30 -05:00 |
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Thomas Harte
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e057a7d0dd
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Attempts to implement sprite/playfield priorities.
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2021-11-27 15:03:46 -05:00 |
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Thomas Harte
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dac40630fd
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Adds support for the Blitter-busy flag to WAIT and SKIP.
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2021-11-27 11:36:15 -05:00 |
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Thomas Harte
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8fc27dc292
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Moves bitplane collection and shifter out of Chipset.[h/c]pp.
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2021-11-26 18:16:24 -05:00 |
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Thomas Harte
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cd53e42d79
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Resolve operator precedence.
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2021-11-26 18:08:10 -05:00 |
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Thomas Harte
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bea6cf2038
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Move mouse and joystick into a separate file, give a common parent.
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2021-11-26 17:50:47 -05:00 |
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Thomas Harte
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eca80f1425
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Sprites: avoid magic constants, ensure proper DMA resumption.
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2021-11-26 16:02:18 -05:00 |
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Thomas Harte
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1c0962e53c
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Move sprites into their own source file.
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2021-11-26 15:30:31 -05:00 |
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Thomas Harte
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4b21549ff4
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Add a couple of static asserts.
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2021-11-26 15:23:54 -05:00 |
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Thomas Harte
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30d7b0129b
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Correct sprite ordering within pairs.
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2021-11-26 11:58:50 -05:00 |
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Thomas Harte
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ce6877d6e4
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Sprites: infer part of DMA state from slot, no access during blank.
Also sets the proper vertical blank length.
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2021-11-26 09:37:52 -05:00 |
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Thomas Harte
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0ab5177637
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Allow DMAState::FetchStopAndControl on y == v_stop_.
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2021-11-25 14:29:12 -05:00 |
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Thomas Harte
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276cbfa505
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Simplify sprite state machine.
This now better matches the explanation given on Page 133 of the Amiga System Programmer's Guide.
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2021-11-25 14:08:55 -05:00 |
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Thomas Harte
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012084b37b
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Fix exclusive fill, sizing, eliminate ECS call-ins.
The clock test now proceeds further, but still doesn't seem to pass.
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2021-11-24 17:25:32 -05:00 |
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Thomas Harte
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a8a99f647f
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Further improves framing.
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2021-11-21 08:13:55 -05:00 |
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Thomas Harte
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ff68b26c44
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Push HSYNC 11 slots over, to its proper position, and add a frame crop.
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2021-11-20 12:39:50 -05:00 |
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Thomas Harte
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a94b4f62fd
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Takes a stab at attached sprites.
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2021-11-19 14:19:47 -05:00 |
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Thomas Harte
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bcc959d938
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Sprites: deconflate vertical and modification flags; disarm on CTL not POS.
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2021-11-19 08:03:10 -05:00 |
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Thomas Harte
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693d46f8ea
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Mask by index, not colour.
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2021-11-18 05:36:38 -05:00 |
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Thomas Harte
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3496ebd1d7
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Constrain sprite fetches to Chip RAM.
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2021-11-17 17:49:42 -05:00 |
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Thomas Harte
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be763cf7fe
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Expose joystick to the world.
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2021-11-17 15:33:46 -05:00 |
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Thomas Harte
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c3b4bee210
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Adds a joystick class.
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2021-11-17 14:26:51 -05:00 |
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Thomas Harte
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6df0227ab1
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Hacks in a basic effort at dual playfields.
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2021-11-16 18:26:27 -05:00 |
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Thomas Harte
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47f36f08fb
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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.
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2021-11-13 15:53:41 -05:00 |
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