Thomas Harte
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f29d305597
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Add missing #include.
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2022-07-19 21:40:16 -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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feee6afe0f
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Improve documentation.
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2022-07-19 16:19:19 -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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8f2e94a1d8
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Switch name back to emphasise _async_.
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2022-07-16 14:41:04 -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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bf03bda314
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Generalise AsyncTaskQueue, DeferringAsyncTaskQueue and AsyncUpdater into a single template.
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2022-07-14 16:39:26 -04:00 |
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Thomas Harte
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6dabdaca45
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Switch to int; attempt to do a better job of initial audio filling.
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2022-07-09 13:33:46 -04:00 |
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Thomas Harte
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b097b1296b
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Adopt granular flushing widely.
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2022-07-08 16:04:32 -04:00 |
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Thomas Harte
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b03d91d5dd
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Permit granular specification of what to flush.
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2022-07-08 15:38:29 -04:00 |
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Thomas Harte
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fc0dc4e5e2
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Amiga only, temporarily: attempt to reduce audio maintenance costs.
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2022-07-07 16:41:49 -04:00 |
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Thomas Harte
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56aa182fb6
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Fix debug builds.
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2022-06-06 15:26:15 -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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e698cbf092
|
Silence debugging information.
|
2022-03-13 12:48:05 -04:00 |
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Thomas Harte
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f2ce646d8d
|
Undo 8-cycle-if-met WAIT.
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2022-03-13 12:47:48 -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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a17c192a9e
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Allow chip RAM size selection, while I'm here.
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2021-12-22 15:30:19 -05:00 |
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Thomas Harte
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1916a9b99c
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Remove stdout noise.
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2021-12-22 15:22:28 -05:00 |
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Thomas Harte
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9796b308dc
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Add basic implementation of fast RAM.
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2021-12-22 15:17:11 -05:00 |
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Thomas Harte
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d0e3024bec
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Switch to nibble-oriented lookup tables for fill mode.
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2021-12-19 17:16:46 -05:00 |
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Thomas Harte
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d2ad149e56
|
Fill mode always runs right to left.
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2021-12-19 16:43:18 -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
|
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.
|
2021-12-18 17:53:11 -05:00 |
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Thomas Harte
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54aa211f56
|
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
|
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.
|
2021-12-05 15:27:35 -05:00 |
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Thomas Harte
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9b80563443
|
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
|
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
|
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
|
Adds a begin_state template.
|
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.
|
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.
|
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.
|
2021-12-02 12:53:20 -05:00 |
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Thomas Harte
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06b6f85d55
|
Correct stereo.
|
2021-12-02 11:15:29 -05:00 |
|
Thomas Harte
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d6f1ea50a6
|
Switch to slightly more straightforward presumption of no data wanted.
|
2021-12-02 09:41:16 -05:00 |
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Thomas Harte
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9554869886
|
Simplify DMA logic.
|
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.
|
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.
|
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.
|
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.
|
2021-12-01 05:37:58 -05:00 |
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Thomas Harte
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eb3a0eb3c7
|
Attempt full implementation of collisions.
|
2021-11-29 18:39:33 -05:00 |
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Thomas Harte
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cd0148e0bc
|
Switch to a default 1mb of Chip RAM.
|
2021-11-29 16:55:45 -05:00 |
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Thomas Harte
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8584ee609f
|
Support a fetch window start on line 0.
|
2021-11-28 05:37:49 -05:00 |
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Thomas Harte
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373847e2b7
|
Avoid posting redundant key events.
|
2021-11-28 05:31:00 -05:00 |
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Thomas Harte
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84f7d8dfc2
|
Factors out pixel generation, adds HAM.
|
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.
|
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.
|
2021-11-27 11:38:41 -05:00 |
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Thomas Harte
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dac40630fd
|
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.
|
2021-11-26 18:29:09 -05:00 |
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Thomas Harte
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8fc27dc292
|
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
|
Add missing #include for std::clamp.
|
2021-11-26 18:08:39 -05:00 |
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Thomas Harte
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cd53e42d79
|
Resolve operator precedence.
|
2021-11-26 18:08:10 -05:00 |
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Thomas Harte
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bea6cf2038
|
Move mouse and joystick into a separate file, give a common parent.
|
2021-11-26 17:50:47 -05:00 |
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Thomas Harte
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eca80f1425
|
Sprites: avoid magic constants, ensure proper DMA resumption.
|
2021-11-26 16:02:18 -05:00 |
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Thomas Harte
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1c0962e53c
|
Move sprites into their own source file.
|
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.
|
2021-11-26 15:23:54 -05:00 |
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Thomas Harte
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30d7b0129b
|
Correct sprite ordering within pairs.
|
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.
|
2021-11-26 09:37:52 -05:00 |
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Thomas Harte
|
0ab5177637
|
Allow DMAState::FetchStopAndControl on y == v_stop_.
|
2021-11-25 14:29:12 -05:00 |
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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 |
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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 |
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Thomas Harte
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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 |
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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 |
|