Thomas Harte
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4fb9dec381
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Fix use of bool.
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2022-07-30 21:02:44 -04:00 |
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Thomas Harte
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82476bdabe
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Avoid 'complete' repetition.
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2022-07-30 21:02:04 -04:00 |
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Thomas Harte
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58ee8e2460
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Minor tidy-up. No fixes.
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2022-07-30 21:00:50 -04:00 |
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Thomas Harte
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94a90b7a89
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Attempt a real slot-by-slot blit.
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2022-07-30 20:34:37 -04:00 |
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Thomas Harte
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5d992758f8
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Ensure blitter with all flags disabled terminates.
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2022-07-30 20:13:37 -04:00 |
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Thomas Harte
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27b8c29096
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Apply modulos at end of line, not beginning.
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2022-07-30 10:27:53 -04:00 |
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Thomas Harte
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93d2a612ee
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Add an explicit flush-pipeline step; some tests now pass.
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2022-07-29 16:33:46 -04:00 |
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Thomas Harte
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03d4960a03
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Begin a full-synchronous usage of the sequencer, at least exposing poor handling of the pipeline.
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2022-07-29 16:15:18 -04:00 |
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Thomas Harte
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1ac0a4e924
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Provide a loop count directly from the sequencer.
This avoids the caller having to take a guess at iterations.
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2022-07-29 12:14:59 -04:00 |
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Thomas Harte
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d85d70a133
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Add documentation, formal begin function.
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2022-07-26 22:01:43 -04:00 |
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Thomas Harte
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2c95dea4db
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Introduce putative blitter sequencer.
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2022-07-26 17:05:05 -04:00 |
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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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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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f465fe65f4
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Merge pull request #1061 from TomHarte/MacintoshPixels
Microtweak: simplify Macintosh pixel serialisation.
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2022-07-14 18:54:10 -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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59da143e6a
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Add overt flushes to the SDL target.
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2022-07-12 10:57:22 -04:00 |
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Thomas Harte
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4e9ae65459
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Reintroduce sync matching.
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2022-07-12 09:56:13 -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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96189bde4b
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Loop the Master System into the experiment.
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2022-07-07 16:46:08 -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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7cbee172b2
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Merge pull request #1041 from TomHarte/InST
Switch the Atari ST to the newer 68000.
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2022-06-30 17:15:04 -04:00 |
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Thomas Harte
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6a2d4ae11d
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Merge branch 'master' into InAmiga
|
2022-06-30 10:12:32 -04:00 |
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Thomas Harte
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6da634b79f
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Merge branch 'master' into InST
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2022-06-30 10:12:23 -04:00 |
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Thomas Harte
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924de35cf3
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Go all in on support for physical shadowing.
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2022-06-29 14:39:56 -04:00 |
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Thomas Harte
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7cf9e08948
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Map shadowing by logical address, not physical.
Disclaimer: although this better matches the tests, I've yet to verify.
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2022-06-29 06:10:15 -04:00 |
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Thomas Harte
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60d3519993
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Clarify, attempt to implement as internally documented.
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2022-06-28 22:32:31 -04:00 |
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Thomas Harte
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6abc317986
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Avoid permitting writes in the Cx00 region after uninhibiting the language card.
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2022-06-28 16:35:47 -04:00 |
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Thomas Harte
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94fcc90886
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Use auxiliary switches to control language card area when card is inhibited.
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2022-06-28 12:46:31 -04:00 |
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Thomas Harte
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7aeaa4a485
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Tweak paging semantics, to allow simple multiple dependencies.
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2022-06-27 21:38:45 -04:00 |
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Thomas Harte
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ef40a81be2
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Remove temporary hack.
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2022-06-27 08:00:29 -04:00 |
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Thomas Harte
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21842052cf
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Alternative zero page should affect bank 0's language card area when the card is disabled.
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2022-06-27 07:56:45 -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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5495f30329
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Microtweak: simplify Macintosh pixel serialisation.
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2022-06-06 08:34:58 -04:00 |
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Thomas Harte
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6aa599a17c
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Future-proof perform_bus_operation .
|
2022-06-06 08:20:16 -04:00 |
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Thomas Harte
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57858b2fa5
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Merge branch 'master' into InST
|
2022-06-05 20:59:48 -04:00 |
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Thomas Harte
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403eda7024
|
Add missing flush .
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2022-06-05 09:08:36 -04:00 |
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Thomas Harte
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1671827d24
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Add flush .
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2022-06-05 09:07:43 -04:00 |
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Thomas Harte
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4a740fbd14
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Switch Atari ST to using the new 68000.
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2022-06-04 08:43:43 -04:00 |
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Thomas Harte
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a61f7e38b6
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Very minor: avoid division and modulus when unnecessary.
|
2022-06-03 15:39:29 -04:00 |
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Thomas Harte
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3d059cb751
|
Make use of Microcycle helpers where relevant.
None of these existed when the Macintosh was first added to this emulator.
|
2022-06-03 15:33:31 -04:00 |
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Thomas Harte
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1365fca161
|
Avoid phoney write modifies.
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2022-05-27 21:42:55 -04:00 |
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Thomas Harte
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a611a745e7
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Switch the Macintosh to 68000 mk2.
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2022-05-24 12:35:36 -04:00 |
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Thomas Harte
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b0518040b5
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Plants the seek of a 68000 mark 2.
|
2022-05-16 11:44:16 -04:00 |
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Thomas Harte
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866b6c6129
|
Eliminate off_t .
|
2022-04-27 19:16:37 -04:00 |
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Thomas Harte
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efff91ea3d
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Undo bad guess at initial switch state.
|
2022-04-17 17:03:05 -04:00 |
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Thomas Harte
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290dd3993b
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CPC: ensure 64/128k RAM is properly selected.
|
2022-03-26 08:54:07 -04:00 |
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Thomas Harte
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bfd28a04ba
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Remove noise.
|
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.
|
2022-03-18 08:27:46 -04:00 |
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Thomas Harte
|
88767e402c
|
Switch DDFSTART/STOP state machine.
|
2022-03-17 20:03:36 -04:00 |
|
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
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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.
|
2021-12-23 15:22:20 -05:00 |
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Thomas Harte
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a17c192a9e
|
Allow chip RAM size selection, while I'm here.
|
2021-12-22 15:30:19 -05:00 |
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Thomas Harte
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1916a9b99c
|
Remove stdout noise.
|
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.
|
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.
|
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.
|
2021-12-19 16:43:18 -05:00 |
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Thomas Harte
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348840a2aa
|
It's probably a net detriment to use a template in this scenario.
|
2021-12-19 16:31:44 -05:00 |
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Thomas Harte
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3a719633eb
|
Consolidate interface; correct LOGs.
|
2021-12-18 19:39:41 -05:00 |
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Thomas Harte
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bd69948d37
|
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
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Avoid infinite loops for completely undefined addresses.
|
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.
|
2021-12-18 17:43:53 -05:00 |
|
Thomas Harte
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dbae3fc9a5
|
Propagate to bitplanes immediately; fix odd/even confusion.
|
2021-12-18 16:37:40 -05:00 |
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Thomas Harte
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c834960bfb
|
Withdraw separate x-and-y guess, make MOVE lose a cycle if a sleep/wake occurs.
|
2021-12-12 19:18:18 -05:00 |
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Thomas Harte
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600abc55b5
|
Compare x and y separately, wake immediately from a sleep, log more.
|
2021-12-12 17:26:33 -05:00 |
|
Thomas Harte
|
f3ec7d54bb
|
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`.
|
2021-12-09 19:17:44 -05:00 |
|
Thomas Harte
|
2b0415d552
|
Attempt to avoid off-by-one buffer reads, add modulation.
|
2021-12-06 19:28:40 -05:00 |
|
Thomas Harte
|
066e4421e8
|
Attempt volcntrld.
|
2021-12-06 06:35:08 -05:00 |
|
Thomas Harte
|
f02a241249
|
Inserts an additional reload.
|
2021-12-05 17:47:12 -05:00 |
|
Thomas Harte
|
a5fe1e4259
|
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 |
|
Thomas Harte
|
9b80563443
|
Exposes targets for modulation.
|
2021-12-05 06:38:55 -05:00 |
|
Thomas Harte
|
91b5da06e3
|
Perform reload on Disabled -> WaitingForDummyDMA.
|
2021-12-04 19:17:40 -05:00 |
|
Thomas Harte
|
7320f96ae7
|
Capture attachment flags.
|
2021-12-04 18:02:43 -05:00 |
|
Thomas Harte
|
fdf2b9cd7b
|
Add local data pointers.
|
2021-12-04 17:58:41 -05:00 |
|
Thomas Harte
|
bfc70a1b60
|
Ensure interrupt request bits always propagate.
|
2021-12-04 16:50:42 -05:00 |
|
Thomas Harte
|
aff7a93106
|
Move DMAFlags to Flags.hpp.
|
2021-12-04 08:26:28 -05:00 |
|
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 |
|