Thomas Harte
3ab6953246
Avoid use of raw pointers in machine creation.
2024-01-12 22:03:19 -05:00
Thomas Harte
574de0dbf3
Further reduce state.
2023-12-27 11:25:47 -05:00
Thomas Harte
3793fbd978
Remove much unused storage; add virtual destructor.
2023-12-27 11:14:08 -05:00
Thomas Harte
54f1c31c94
Apply changes on trailing edges only.
2023-12-22 18:38:43 -05:00
Thomas Harte
85f814c632
Attempt to build fixed operations into type.
...
This simplifies callees and should make all helper functions automatically able to optimise themselves for fixed operations.
2023-12-21 23:08:18 -05:00
Thomas Harte
213dfe037d
Shift operation stuff into its own namespace, making data_select_active a free function.
2023-12-21 16:03:53 -05:00
Thomas Harte
5c7f94d2ef
Introduce the possibility of operation type as a template parameter.
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It's already proven possible to provide this for instruction fetch, so I think it'll immediately be a win. But more importantly it opens a path forwards for further improvement.
2023-11-27 11:48:34 -05:00
Thomas Harte
8578dfbf22
Eliminate various other errant spaces.
2023-05-16 16:40:09 -04:00
Thomas Harte
50343dec43
Eliminate all whitespace-only lines.
2023-05-12 14:16:39 -04:00
Thomas Harte
28c79b2885
Eliminate redundant [space][tab] pairs.
2023-05-12 14:14:45 -04:00
Thomas Harte
809cd7bca9
Remove the 68000's Mk2 suffix.
2023-05-10 17:13:01 -05:00
Thomas Harte
bfc77f1606
Add workaround that further isolates whatever bug Spindizzy reveals.
2022-08-19 16:38:42 -04:00
Thomas Harte
a6b8285d9c
Factor out the blitter sequencer.
2022-08-19 16:38:15 -04:00
Thomas Harte
837acdcf60
Experimentally decline immediate blits.
2022-08-16 21:51:13 -04:00
Thomas Harte
7289192130
Fix refresh slots: they're taken, not open.
2022-08-16 21:51:02 -04:00
Thomas Harte
bb54ac14b8
Prove that new output errors are [probably] external to the Blitter.
2022-08-15 11:10:17 -04:00
Thomas Harte
bdb35b6191
Add an easier hook for debugging.
2022-08-08 21:00:28 -04:00
Thomas Harte
892580c183
Clarify test.
2022-08-08 15:57:36 -04:00
Thomas Harte
d4b7d73fc4
Further reduces lines to one access per slot, max.
2022-08-07 19:19:00 -04:00
Thomas Harte
867769f6e7
Reduces line drawing to two accesses per slot.
...
Still a fiction, but a better one.
2022-08-07 19:15:03 -04:00
Thomas Harte
3781b5eb0e
Provide further context.
2022-08-06 14:40:12 -04:00
Thomas Harte
318cea4ccd
Attempt a full bus-transaction comparison.
2022-08-06 10:06:49 -04:00
Thomas Harte
45892f3584
Add optional transaction records to the Blitter.
2022-08-06 09:51:20 -04:00
Thomas Harte
612413cb1c
Remove redundant state.
2022-08-04 10:06:14 -04:00
Thomas Harte
511ec5a736
Apply modulos at end of final line.
...
Possibly I need to rethink the sequence logic?
2022-07-30 21:35:26 -04:00
Thomas Harte
4fb9dec381
Fix use of bool.
2022-07-30 21:02:44 -04:00
Thomas Harte
82476bdabe
Avoid 'complete' repetition.
2022-07-30 21:02:04 -04:00
Thomas Harte
58ee8e2460
Minor tidy-up. No fixes.
2022-07-30 21:00:50 -04:00
Thomas Harte
94a90b7a89
Attempt a real slot-by-slot blit.
2022-07-30 20:34:37 -04:00
Thomas Harte
5d992758f8
Ensure blitter with all flags disabled terminates.
2022-07-30 20:13:37 -04:00
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
bf03bda314
Generalise AsyncTaskQueue, DeferringAsyncTaskQueue and AsyncUpdater into a single template.
2022-07-14 16:39:26 -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
