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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c834960bfb
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Withdraw separate x-and-y guess, make MOVE lose a cycle if a sleep/wake occurs.
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2021-12-12 19:18:18 -05:00 |
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Thomas Harte
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600abc55b5
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Compare x and y separately, wake immediately from a sleep, log more.
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2021-12-12 17:26:33 -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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2b0415d552
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Attempt to avoid off-by-one buffer reads, add modulation.
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2021-12-06 19:28:40 -05:00 |
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Thomas Harte
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066e4421e8
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Attempt volcntrld.
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2021-12-06 06:35:08 -05:00 |
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Thomas Harte
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f02a241249
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Inserts an additional reload.
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2021-12-05 17:47:12 -05:00 |
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Thomas Harte
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a5fe1e4259
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Largely debugs audio state machine.
I think I'm still missing an address reload somewhere though, and attachment doesn't actually push.
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2021-12-05 15:27:35 -05:00 |
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Thomas Harte
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9b80563443
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Exposes targets for modulation.
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2021-12-05 06:38:55 -05:00 |
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Thomas Harte
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91b5da06e3
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Perform reload on Disabled -> WaitingForDummyDMA.
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2021-12-04 19:17:40 -05:00 |
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Thomas Harte
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7320f96ae7
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Capture attachment flags.
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2021-12-04 18:02:43 -05:00 |
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Thomas Harte
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fdf2b9cd7b
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Add local data pointers.
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2021-12-04 17:58:41 -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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aff7a93106
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Move DMAFlags to Flags.hpp.
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2021-12-04 08:26:28 -05:00 |
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Thomas Harte
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3b027c4593
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Switch and -> or for testing transitions from ::PlayingLow.
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2021-12-04 08:24:41 -05:00 |
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Thomas Harte
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42d3bdd373
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Adds a begin_state template.
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2021-12-04 07:20:17 -05:00 |
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Thomas Harte
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57789092c1
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Keep audio fetches in bounds.
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2021-12-03 07:16:21 -05:00 |
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Thomas Harte
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6bc5268cbd
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Reload period counter on low -> high transition.
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2021-12-02 18:43:02 -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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06b6f85d55
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Correct stereo.
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2021-12-02 11:15:29 -05:00 |
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Thomas Harte
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d6f1ea50a6
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Switch to slightly more straightforward presumption of no data wanted.
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2021-12-02 09:41:16 -05:00 |
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Thomas Harte
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9554869886
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Simplify DMA logic.
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2021-12-02 09:33:02 -05:00 |
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Thomas Harte
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364059551c
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Add extra notes per errata, plus bonus state code repetitions.
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2021-12-02 09:30:52 -05:00 |
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Thomas Harte
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06340b1ad7
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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.
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2021-12-01 18:34:54 -05:00 |
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Thomas Harte
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d23511860d
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Attempts audio output.
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2021-12-01 06:01:58 -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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cd0148e0bc
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Switch to a default 1mb of Chip RAM.
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2021-11-29 16:55:45 -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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373847e2b7
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Avoid posting redundant key events.
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2021-11-28 05:31:00 -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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7bab15bf99
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Minor copy improvements.
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2021-11-27 11:38:41 -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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33bfa1b81c
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Move BitplaneShifter adjacent to expand_bitplane_byte.
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2021-11-26 18:29:09 -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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8b38c567d2
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Add missing #include for std::clamp.
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2021-11-26 18:08:39 -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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