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9,542 Commits 8 Branches 121 Tags 496 MiB
27b8c29096
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2805 Commits

Author SHA1 Message Date
Thomas Harte
27b8c29096 Apply modulos at end of line, not beginning. 2022-07-30 10:27:53 -04:00
Thomas Harte
93d2a612ee Add an explicit flush-pipeline step; some tests now pass. 2022-07-29 16:33:46 -04:00
Thomas Harte
03d4960a03 Begin a full-synchronous usage of the sequencer, at least exposing poor handling of the pipeline. 2022-07-29 16:15:18 -04:00
Thomas Harte
1ac0a4e924 Provide a loop count directly from the sequencer. 
This avoids the caller having to take a guess at iterations.
 2022-07-29 12:14:59 -04:00
Thomas Harte
d85d70a133 Add documentation, formal begin function. 2022-07-26 22:01:43 -04:00
Thomas Harte
2c95dea4db Introduce putative blitter sequencer. 2022-07-26 17:05:05 -04:00
Thomas Harte
804c12034c Apply blitter priority bit. 2022-07-26 16:07:26 -04:00
Thomas Harte
ce7f57f251 Switch to regular integer types for flags. 2022-07-26 09:22:05 -04:00
Thomas Harte
426eb0f79b Add comments, fix playfield sprite masking. 2022-07-22 17:01:38 -04:00
Thomas Harte
6beca141d5 Reinstate assumption of no sprites in vertical blank. 2022-07-21 08:41:50 -04:00
Thomas Harte
f29d305597 Add missing #include. 2022-07-19 21:40:16 -04:00
Thomas Harte
89abf7faeb Take a guess at reintroducing a special case for end-of-blank. 2022-07-19 21:25:34 -04:00
Thomas Harte
57186c3c14 Don't limit sprite fetch area; add further commentary. 2022-07-19 16:37:13 -04:00
Thomas Harte
feee6afe0f Improve documentation. 2022-07-19 16:19:19 -04:00
Thomas Harte
cb42ee3ade Eliminate DMAState; it sounds like VSTOP solves this problem. 2022-07-19 16:11:29 -04:00
Thomas Harte
830704b4a9 Clarify and slightly improve state machine. 
No more using the visible flag to permit a DMA control fetch.
 2022-07-19 15:39:57 -04:00
Thomas Harte
8f2e94a1d8 Switch name back to emphasise _async_. 2022-07-16 14:41:04 -04:00
Thomas Harte
76d5e53094 Fix red/blue confusion. 2022-07-15 16:24:07 -04:00
Thomas Harte
f465fe65f4
Merge pull request #1061 from TomHarte/MacintoshPixels 
Microtweak: simplify Macintosh pixel serialisation.
 2022-07-14 18:54:10 -04:00
Thomas Harte
bf03bda314 Generalise AsyncTaskQueue, DeferringAsyncTaskQueue and AsyncUpdater into a single template. 2022-07-14 16:39:26 -04:00
Thomas Harte
59da143e6a Add overt flushes to the SDL target. 2022-07-12 10:57:22 -04:00
Thomas Harte
4e9ae65459 Reintroduce sync matching. 2022-07-12 09:56:13 -04:00
Thomas Harte
6dabdaca45 Switch to int; attempt to do a better job of initial audio filling. 2022-07-09 13:33:46 -04:00
Thomas Harte
b097b1296b Adopt granular flushing widely. 2022-07-08 16:04:32 -04:00
Thomas Harte
b03d91d5dd Permit granular specification of what to flush. 2022-07-08 15:38:29 -04:00
Thomas Harte
96189bde4b Loop the Master System into the experiment. 2022-07-07 16:46:08 -04:00
Thomas Harte
fc0dc4e5e2 Amiga only, temporarily: attempt to reduce audio maintenance costs. 2022-07-07 16:41:49 -04:00
Thomas Harte
7cbee172b2
Merge pull request #1041 from TomHarte/InST 
Switch the Atari ST to the newer 68000.
 2022-06-30 17:15:04 -04:00
Thomas Harte
6a2d4ae11d Merge branch 'master' into InAmiga 2022-06-30 10:12:32 -04:00
Thomas Harte
6da634b79f Merge branch 'master' into InST 2022-06-30 10:12:23 -04:00
Thomas Harte
924de35cf3 Go all in on support for physical shadowing. 2022-06-29 14:39:56 -04:00
Thomas Harte
7cf9e08948 Map shadowing by logical address, not physical. 
Disclaimer: although this better matches the tests, I've yet to verify.
 2022-06-29 06:10:15 -04:00
Thomas Harte
60d3519993 Clarify, attempt to implement as internally documented. 2022-06-28 22:32:31 -04:00
Thomas Harte
6abc317986 Avoid permitting writes in the Cx00 region after uninhibiting the language card. 2022-06-28 16:35:47 -04:00
Thomas Harte
94fcc90886 Use auxiliary switches to control language card area when card is inhibited. 2022-06-28 12:46:31 -04:00
Thomas Harte
7aeaa4a485 Tweak paging semantics, to allow simple multiple dependencies. 2022-06-27 21:38:45 -04:00
Thomas Harte
ef40a81be2 Remove temporary hack. 2022-06-27 08:00:29 -04:00
Thomas Harte
21842052cf Alternative zero page should affect bank 0's language card area when the card is disabled. 2022-06-27 07:56:45 -04:00
Thomas Harte
56aa182fb6 Fix debug builds. 2022-06-06 15:26:15 -04:00
Thomas Harte
9818c7e78c Switch the Amiga to the newer 68000. 2022-06-06 11:10:56 -04:00
Thomas Harte
5495f30329 Microtweak: simplify Macintosh pixel serialisation. 2022-06-06 08:34:58 -04:00
Thomas Harte
6aa599a17c Future-proof perform_bus_operation. 2022-06-06 08:20:16 -04:00
Thomas Harte
57858b2fa5 Merge branch 'master' into InST 2022-06-05 20:59:48 -04:00
Thomas Harte
403eda7024 Add missing flush. 2022-06-05 09:08:36 -04:00
Thomas Harte
1671827d24 Add flush. 2022-06-05 09:07:43 -04:00
Thomas Harte
4a740fbd14 Switch Atari ST to using the new 68000. 2022-06-04 08:43:43 -04:00
Thomas Harte
a61f7e38b6 Very minor: avoid division and modulus when unnecessary. 2022-06-03 15:39:29 -04:00
Thomas Harte
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
Thomas Harte
1365fca161 Avoid phoney write modifies. 2022-05-27 21:42:55 -04:00
Thomas Harte
a611a745e7 Switch the Macintosh to 68000 mk2. 2022-05-24 12:35:36 -04:00