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9,599 Commits 8 Branches 121 Tags 496 MiB
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Commit Graph

303 Commits

Author SHA1 Message Date
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
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
fc0dc4e5e2 Amiga only, temporarily: attempt to reduce audio maintenance costs. 2022-07-07 16:41:49 -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
bfd28a04ba Remove noise. 2022-03-18 10:41:20 -04:00
Thomas Harte
359ec257c0 Add a further state, seemingly to fix high-res mode. 2022-03-18 08:27:46 -04:00
Thomas Harte
88767e402c Switch DDFSTART/STOP state machine. 2022-03-17 20:03:36 -04:00
Thomas Harte
e698cbf092 Silence debugging information. 2022-03-13 12:48:05 -04:00
Thomas Harte
f2ce646d8d Undo 8-cycle-if-met WAIT. 2022-03-13 12:47:48 -04:00
Thomas Harte
acba357df6 Adds empty callouts for all serial port registers. 2021-12-23 15:22:20 -05:00
Thomas Harte
a17c192a9e Allow chip RAM size selection, while I'm here. 2021-12-22 15:30:19 -05:00
Thomas Harte
1916a9b99c Remove stdout noise. 2021-12-22 15:22:28 -05:00
Thomas Harte
9796b308dc Add basic implementation of fast RAM. 2021-12-22 15:17:11 -05:00
Thomas Harte
d0e3024bec Switch to nibble-oriented lookup tables for fill mode. 2021-12-19 17:16:46 -05:00