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11,168 Commits 8 Branches 121 Tags 496 MiB
0c2a4f442e
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322 Commits

Author SHA1 Message Date
Thomas Harte
0c2a4f442e Resolve all commented-out old logging references. 2024-01-19 22:17:35 -05:00
Thomas Harte
18814f7b2c Update use of logging. 2024-01-19 22:14:24 -05:00
Thomas Harte
b61317ba7e Continue conversion of logging. 2024-01-19 22:02:26 -05:00
Thomas Harte
a3d37640aa Switch include guards to #pragma once. 2024-01-16 23:34:46 -05:00
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. 
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