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9,153 Commits 8 Branches 121 Tags 496 MiB
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2755 Commits

Author SHA1 Message Date
Thomas Harte
b0518040b5 Plants the seek of a 68000 mark 2. 2022-05-16 11:44:16 -04:00
Thomas Harte
866b6c6129 Eliminate off_t. 2022-04-27 19:16:37 -04:00
Thomas Harte
efff91ea3d Undo bad guess at initial switch state. 2022-04-17 17:03:05 -04:00
Thomas Harte
290dd3993b CPC: ensure 64/128k RAM is properly selected. 2022-03-26 08:54:07 -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
Thomas Harte
d2ad149e56 Fill mode always runs right to left. 2021-12-19 16:43:18 -05:00
Thomas Harte
348840a2aa It's probably a net detriment to use a template in this scenario. 2021-12-19 16:31:44 -05:00
Thomas Harte
3a719633eb Consolidate interface; correct LOGs. 2021-12-18 19:39:41 -05:00
Thomas Harte
bd69948d37 The Copper can now skip Chipset::perform. 2021-12-18 17:53:11 -05:00
Thomas Harte
54aa211f56 Avoid infinite loops for completely undefined addresses. 2021-12-18 17:48:45 -05:00
Thomas Harte
f118891970 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
dbae3fc9a5 Propagate to bitplanes immediately; fix odd/even confusion. 2021-12-18 16:37:40 -05:00
Thomas Harte
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
Thomas Harte
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
Thomas Harte
a8dd4660b2 Adds a pipeline for audio output. 2021-12-01 05:37:58 -05:00
Thomas Harte
eb3a0eb3c7 Attempt full implementation of collisions. 2021-11-29 18:39:33 -05:00
Thomas Harte
cd0148e0bc Switch to a default 1mb of Chip RAM. 2021-11-29 16:55:45 -05:00
Thomas Harte
8584ee609f Support a fetch window start on line 0. 2021-11-28 05:37:49 -05:00
Thomas Harte
373847e2b7 Avoid posting redundant key events. 2021-11-28 05:31:00 -05:00