Thomas Harte
f1f16d1f9a
Clarify and simplify half_cycles_before_internal_cycles.
2023-01-09 22:55:46 -05:00
Thomas Harte
fd14829992
Avoid hand-writing all the various conversions.
2023-01-09 22:34:56 -05:00
Thomas Harte
c0fe88a5bb
Apply clock conversion to existing usages of do_external_slot.
2023-01-09 13:54:49 -05:00
Thomas Harte
4d9d684618
Add TODO on dangling hard-coded conversion.
2023-01-08 21:44:25 -05:00
Thomas Harte
a0a835cf10
Export memory size into traits.
2023-01-08 21:37:20 -05:00
Thomas Harte
ef67205ce8
Set pixel count per mode.
2023-01-08 21:31:00 -05:00
Thomas Harte
794adf470b
Break assumption that cycles = pixels; fix pixel clocking.
2023-01-08 21:25:22 -05:00
Thomas Harte
8cc20844a9
Clock convert for draw_ calls.
2023-01-08 17:31:08 -05:00
Thomas Harte
b522d65c50
Fix border lengths.
2023-01-08 17:04:19 -05:00
Thomas Harte
cb19c2ffb0
Honour internal-clocked timing constants.
2023-01-08 14:10:06 -05:00
Thomas Harte
5f6ddf8557
Avoid expressing the same thing at different clock rates.
2023-01-08 13:58:12 -05:00
Thomas Harte
72e0bfecc1
Edge towards clock-independent line composition.
2023-01-07 14:57:32 -05:00
Thomas Harte
cdf547ac82
Decline to provide synthetic text mode timing on the Mega Drive.
2023-01-07 14:37:06 -05:00
Thomas Harte
dd5b4b484a
Avoid double responsibility for state.
2023-01-07 14:34:33 -05:00
Thomas Harte
56831e02fc
Expand fixed timing constants.
2023-01-07 13:10:51 -05:00
Thomas Harte
5d2d3944ef
Make VRAM access delay a timing property.
2023-01-07 12:48:43 -05:00
Thomas Harte
f9e21df701
Avoid further hard-coded 342s.
2023-01-07 09:13:34 -05:00
Thomas Harte
bb436204f6
Merge branch 'VDPs' of github.com:TomHarte/CLK into VDPs
2023-01-07 09:10:50 -05:00
Thomas Harte
de45536b5c
Elucidate a magic constant, add an extra constexpr.
2023-01-07 09:10:41 -05:00
Thomas Harte
ebc1264c2c
Create a common home for timing information.
2023-01-06 22:39:46 -05:00
Thomas Harte
4875148617
Fill in Mega Drive numbers.
2023-01-05 14:22:51 -05:00
Thomas Harte
7a82b76911
Ensure visibility of memset.
2023-01-05 13:21:03 -05:00
Thomas Harte
27d37f71ec
Generalise and better factor bit reversal and TMS drawing.
2023-01-05 13:18:10 -05:00
Thomas Harte
c4a5a9763e
Minor indentation improvement.
2023-01-02 15:04:50 -05:00
Thomas Harte
a9f97ac871
Fix nothing-to-do test.
2023-01-02 15:04:08 -05:00
Thomas Harte
475440dc70
Update ClockConverter for potential alternative clocks.
2023-01-02 14:59:36 -05:00
Thomas Harte
dc3f8f5e42
These are the three fetchers to implement.
...
They'll look fairly different from the TMS and SMS fetchers, I think, owing to the greater irregularity that comes with the smarter RAM accesses. I might need to play around for a while.
2023-01-01 22:44:06 -05:00
Thomas Harte
459ef39b08
constexpr
the TMS palette.
2023-01-01 22:34:07 -05:00
Thomas Harte
27812fd0e2
Separate fetchers into their own header.
2023-01-01 22:26:50 -05:00
Thomas Harte
38eb4d36de
Better explain cumulative nature of @c to_internal.
2023-01-01 22:18:39 -05:00
Thomas Harte
2bd20a0cf8
Add further exposition.
2023-01-01 22:17:21 -05:00
Thomas Harte
da61909ec5
Explain the purpose here.
2023-01-01 21:20:30 -05:00
Thomas Harte
5729ece7bb
Incompletely transitions towards more flexible clock ratios.
2023-01-01 14:20:45 -05:00
Thomas Harte
151f60958e
Relocate the 9918 implementation file.
2023-01-01 14:01:19 -05:00
Thomas Harte
180045ada6
Convert vram_access_delay
into a free-standing function.
2023-01-01 13:51:52 -05:00
Thomas Harte
11542e7a7f
Improve const correctness, simplify inheritance.
2023-01-01 13:49:11 -05:00
Thomas Harte
71598250ea
Improve commentary.
2023-01-01 13:41:51 -05:00
Thomas Harte
ffb0b2ce0b
Eliminate runtime duplication of personality.
2022-12-31 21:50:57 -05:00
Thomas Harte
b7c315058f
Also template Base
.
2022-12-31 21:47:05 -05:00
Thomas Harte
7d6eac2895
Template the TMS on its personality.
...
Template parameter currently unused, but preparatory to other improvements.
2022-12-31 15:08:33 -05:00
Thomas Harte
d79aac3081
Shuffle the personality enum into the 'public' header.
2022-12-31 15:01:11 -05:00
Thomas Harte
8d5547dc9e
Minor further style improvements.
...
... as I refamiliarise myself.
2022-12-29 22:09:14 -05:00
Thomas Harte
5d89293c92
Improve const
ness, primarily of reverse_table
.
2022-12-29 11:29:19 -05:00
Thomas Harte
711f7b2d75
C++17 makes this a single step.
2022-12-27 22:50:12 -05:00
Thomas Harte
dca8c51384
Prefer to avoid a macro.
2022-12-27 22:36:27 -05:00
Thomas Harte
462b7dcbfa
Add Mega Drive VRAM size.
2022-12-27 22:28:43 -05:00
Thomas Harte
2ab4b351ca
Extend enum.
2022-12-27 22:20:47 -05:00
Thomas Harte
99ced5476f
Add quick clock-rate notes.
2022-12-26 22:56:45 -05:00
Thomas Harte
fea8fecf11
Continue DMA requests if writing, even after a phase mismatch.
2022-09-15 16:46:22 -04:00
Thomas Harte
beca7a01c2
Treat a phase mismatch as ending DMA.
2022-09-15 16:34:06 -04:00
Thomas Harte
2d8e260671
Take a shot at the phase mismatch IRQ.
2022-09-15 16:24:06 -04:00
Thomas Harte
04f5d29ed9
Improve logging, factor out phase_matches per TODO comment.
2022-09-15 16:14:14 -04:00
Thomas Harte
df29a50738
Attempt to support the DMA interface.
2022-08-31 15:33:48 -04:00
Thomas Harte
ea4bf5f31a
Provide card's SCSI ID.
2022-08-23 15:05:36 -04:00
Thomas Harte
8f2e94a1d8
Switch name back to emphasise _async_.
2022-07-16 14:41:04 -04:00
Thomas Harte
bf03bda314
Generalise AsyncTaskQueue, DeferringAsyncTaskQueue and AsyncUpdater into a single template.
2022-07-14 16:39:26 -04:00
Thomas Harte
55af6681af
Avoid unnecessary get_port_input
calls.
2021-11-24 17:15:48 -05:00
Thomas Harte
2a7a42ff8f
Add header for assert
.
2021-11-24 16:28:18 -05:00
Thomas Harte
0ad1529f3f
Retain delegate bit length for non-self-clocked data.
2021-11-24 16:15:27 -05:00
Thomas Harte
0df8173536
Merge branch 'master' into Amiga
2021-11-24 08:58:03 -05:00
Thomas Harte
f5d3d6bcea
Splits the lowpass filter into push and pull variants.
2021-11-21 15:37:29 -05:00
Thomas Harte
4fc25fb798
Adds basic shift input.
2021-11-07 05:18:54 -08:00
Thomas Harte
941d9a46a2
Makes a better effort at exposition; better implements clocked line.
2021-11-07 05:18:40 -08:00
Thomas Harte
ecfe68d70f
Introduce the principle that a Serial::Line can be two-wire — clock + data.
2021-11-06 16:54:20 -07:00
Thomas Harte
f102d8a4b4
Extend to allow full-[byte/word/dword] writes, in LSB or MSB order.
2021-11-06 12:01:32 -07:00
Thomas Harte
6d34432988
Starts to build in a serial line for input.
2021-11-04 18:54:28 -07:00
Thomas Harte
b827b9e33e
Add necessary shift storage.
2021-11-03 19:26:45 -07:00
Thomas Harte
29e5ecc282
Add TODOs rather than complete stop on shift register acccesses.
2021-11-02 18:19:31 -07:00
Thomas Harte
9ecd43238f
Correct 8520 TOD setting and getting.
2021-10-30 12:02:43 -07:00
Thomas Harte
5ffe71346c
Eliminate interrupt magic constants.
2021-10-29 19:04:06 -07:00
Thomas Harte
d9d20d9d30
Walk back slightly.
2021-10-14 18:02:58 -07:00
Thomas Harte
689bfbbdb3
Be overt in initialiser list.
2021-10-14 16:57:26 -07:00
Thomas Harte
eb157f15f3
Adds index hole interrupt.
2021-10-09 04:08:59 -07:00
Thomas Harte
73e45511dc
Add missing #include.
2021-10-04 05:26:38 -07:00
Thomas Harte
e47eab1d40
Merge branch 'master' into Amiga
2021-09-14 20:27:59 -04:00
Thomas Harte
dfcd1508c9
Establishes valid initial BRAM.
2021-09-10 19:56:20 -04:00
Thomas Harte
0ca4631279
Switch to zero-initialised state; be more careful about resetting data.
2021-09-09 23:08:13 -04:00
Thomas Harte
a6221ca322
Reload data only if an output is found.
2021-09-09 22:07:03 -04:00
Thomas Harte
f8380d2d4c
Add 8250 feature of 'count, regardless'.
2021-08-08 22:32:41 -04:00
Thomas Harte
1f9e41e9cb
Ensure TOD isn't firing from power-on.
2021-08-08 18:51:58 -04:00
Thomas Harte
98bd6fc240
Adds a further logging hint.
2021-08-06 23:16:06 -04:00
Thomas Harte
b9f78f5d33
Fix final timer B test.
2021-08-03 22:27:23 -04:00
Thomas Harte
b4ec9d70da
Adds the CNT input.
2021-08-03 22:19:41 -04:00
Thomas Harte
dd91d793d9
Correct typo.
2021-08-03 21:45:44 -04:00
Thomas Harte
8e51e8eb77
Does just a touch of 6526 TOD work.
2021-08-03 21:13:08 -04:00
Thomas Harte
6210605bc7
Transfers full TOD responsibility onto the chip-specific templates.
2021-08-03 19:10:09 -04:00
Thomas Harte
0245b040b0
Splits TOD storage by model.
...
TOD storage will probably end up being a full-on class.
2021-08-03 18:50:58 -04:00
Thomas Harte
8795719c18
This counts reloads, most accurately.
2021-08-03 17:12:08 -04:00
Thomas Harte
6bbbf43341
At least attempts to chain correctly.
2021-08-03 17:03:58 -04:00
Thomas Harte
ee6039bfa5
Writes to a timer _during reload_ now have effect.
...
Net: one CIA test passed.
2021-08-03 16:57:05 -04:00
Thomas Harte
ef58ce6277
Gets a bit more rigorous about the clocking stage.
...
Albeit without advancing relative to the test.
2021-08-02 21:04:00 -04:00
Thomas Harte
15de5e98c4
Adds [partial] test for whether counters are linked.
2021-08-02 20:17:37 -04:00
Thomas Harte
38848ca2db
Rationalises reload logic and cuts storage.
...
Failure point is now chaining, I think.
2021-08-02 20:14:01 -04:00
Thomas Harte
77c627e822
Ensure that reading the interrupt flags really clears the master bit.
...
Also makes some guesses on one-shot and reload timing. Alas the test isn't in itself specific enough to be more systematic here.
2021-08-02 07:47:08 -04:00
Thomas Harte
c640132699
Reinstates clocking.
2021-08-01 21:35:08 -04:00
Thomas Harte
57dd38aef2
Reintroduces reload-on-off, adds interrupt delay.
2021-08-01 21:09:02 -04:00
Thomas Harte
460a6cb6fe
Attempts a more literal implementation.
2021-08-01 18:14:10 -04:00
Thomas Harte
3d160ce85f
Add another potential warning.
2021-07-30 18:21:38 -04:00
Thomas Harte
759007ffc1
Attempts to route CIA interrupts.
2021-07-28 19:36:30 -04:00
Thomas Harte
37a55c3a77
Corrects 6526 interrupt control write.
...
This seems to imply that the 6526 should be interrupting too.
2021-07-28 19:26:02 -04:00
Thomas Harte
bcb7bb5cce
Improves logging further.
...
To investigate the new perpetual loop.
2021-07-26 17:02:30 -04:00
Thomas Harte
34d4420e8c
Correct reading of top byte of counter 2.
2021-07-25 20:41:15 -04:00
Thomas Harte
fcd6b7b0ea
Takes further aim at the conters.
...
I think test cases are needed, probably.
2021-07-24 16:06:49 -04:00
Thomas Harte
ceca32ceb3
Takes a guess at one-shot mode.
2021-07-24 15:53:18 -04:00
Thomas Harte
77a8ddb95c
Edges towards working counters.
2021-07-23 22:43:47 -04:00
Thomas Harte
c733a4dbf8
Beefs up interrupt awareness.
2021-07-23 21:58:52 -04:00
Thomas Harte
d898a43dff
Implements time-of-day counters, provisionally.
...
Interrupts to do.
2021-07-23 21:24:07 -04:00
Thomas Harte
6123349b79
Stubs in control registers and disables exit-on-miss.
...
I think I may be running up against the limits of stubbing now. Probably time to implement some stuff.
2021-07-22 19:28:01 -04:00
Thomas Harte
56b62a5e49
Adds a dummy interrupt control register.
2021-07-22 16:09:32 -04:00
Thomas Harte
a030d9935e
Adds port input.
2021-07-18 20:25:04 -04:00
Thomas Harte
c425dec4d5
Makes some attempt to get as far as the overlay being disabled.
2021-07-18 17:17:41 -04:00
Thomas Harte
67d53601d5
Latch and return data direction.
...
Albeit with no port-handling effect yet.
2021-07-18 12:23:47 -04:00
Thomas Harte
622cca0acf
Adds sufficient address decoding to print a more helpful exit message.
2021-07-18 12:13:56 -04:00
Thomas Harte
48999c03a5
Adds concept of time, captured port handler.
2021-07-18 11:49:10 -04:00
Thomas Harte
377cc7bdcd
Start to introduce a 6526/8250.
2021-07-18 11:36:13 -04:00
Thomas Harte
a5d0976c2d
Eliminate unused #includes.
2021-07-18 11:35:57 -04:00
Thomas Harte
ae05010255
Improve indentation.
2021-07-18 11:29:26 -04:00
Thomas Harte
66cacbd0e0
Be overt about the type being supplied.
2021-07-18 11:28:18 -04:00
Thomas Harte
c8699d9770
Correct Disk II sleeping test to allow for spin-down.
2021-07-16 17:12:57 -04:00
Thomas Harte
69c0734975
WD1770: switch motor on even if spin-up is disabled.
2021-06-21 23:26:55 -04:00
Thomas Harte
1d5144b912
Correct no-interrupt signal.
2021-06-04 22:38:07 -04:00
Thomas Harte
b7a62e0121
Adds SZX support.
...
Tweaking exposed Spectrum state object as relevant.
2021-04-26 20:47:28 -04:00
Thomas Harte
3348167c46
Ensures AY registers are conveyed.
2021-04-26 17:39:11 -04:00
Thomas Harte
73c8157197
Retain 6850 time tracking at all times.
2021-04-20 22:26:43 -04:00
Thomas Harte
af1dc2d3b2
Switches to correct non-value sentinel.
2021-04-20 21:56:58 -04:00
Thomas Harte
1266bbb224
Makes the TMS a sequence-point-generating JustInTimeActor.
2021-04-05 21:02:37 -04:00
Thomas Harte
8a11a5832c
Uses GI::AY38910::Utility
far and wide.
2021-03-26 23:19:47 -04:00
Thomas Harte
f37f89a7d3
Merge branch 'master' into ZXSpectrum
2021-03-21 22:44:37 -04:00
Thomas Harte
58be770eaa
Factors out some boilerplate.
...
When I'm confident this is correct, I can fix up the other call sites.
2021-03-21 00:14:48 -04:00
Thomas Harte
650b9a139b
Tweak Master System blue scale.
2021-03-19 08:38:21 -04:00
Thomas Harte
6839e9e3b3
Ensures no double definition of NDEBUG.
2021-03-07 12:52:54 -05:00
Thomas Harte
86fd47545d
Silences.
2021-03-03 20:51:33 -05:00
Thomas Harte
71a107fe75
Silences the IWM again, for now.
2021-02-23 21:57:19 -05:00
Thomas Harte
a3e98907ca
Removes temporary printf.
2021-02-14 21:03:54 -05:00
Thomas Harte
ee5f45c979
Merge branch 'master' into AppleIIgs
2020-12-29 22:16:23 -05:00
Thomas Harte
dfe4e49110
Ensure proper in-memory ordering of the b72a2c70 ROM.
2020-12-29 22:08:48 -05:00
Thomas Harte
8ace258fbc
Tackles outstanding GCC warnings.
2020-11-22 21:43:56 -05:00
Thomas Harte
9b45c5a1cd
Resolves out-of-bounds reads.
2020-11-21 22:36:10 -05:00
Thomas Harte
4a42de4f18
Attempts to add 5.25" drive support to the IIgs.
...
I want to try some classic software.
2020-11-20 21:37:17 -05:00
Thomas Harte
98347cb1c3
Starts in the direction of audio support.
2020-11-18 18:39:11 -05:00
Thomas Harte
cddd72876f
Flips meaning of ejected bit, to please the IIgs.
2020-11-18 17:20:48 -05:00
Thomas Harte
37815a982a
Much logging later, corrects 7Mhz IWM windows.
...
Confirmed by mathematics — the new ones are seven-eighths the length of the established 8Mhz windows — and with reference to suitable Apple documentation.
2020-11-13 22:05:45 -05:00
Thomas Harte
b0fc2f6ecf
Amps up logging.
...
Current suspicion is that the IIgs isn't getting a clean byte stream, never mind whether my assumption of exactly-Mac-style GCR holds (which it probably doesn't).
2020-11-12 21:54:54 -05:00
Thomas Harte
81969bbea9
Improves logging, at least for now.
2020-11-12 21:17:14 -05:00
Thomas Harte
1f5908dc51
Corrects logging output.
2020-11-11 20:26:04 -05:00
Thomas Harte
72884c3ead
Does a better job of shifting output; takes a new guess at the no-receiver case.
...
ROM03 at least now reaches "check startup device!"
2020-11-11 20:19:35 -05:00
Thomas Harte
80358cf5bd
Shift output even if nobody is listening.
2020-11-11 20:04:48 -05:00
Thomas Harte
6d511f01a4
Ensures intended no-drive behaviour; no more risks with dangling pointers or nullptr.
2020-11-11 17:54:21 -05:00
Thomas Harte
6d3d7c6006
It seems like this fix is no longer needed.
2020-11-11 17:30:22 -05:00
Thomas Harte
03d1aff6c0
Fixes 8-bit read/write.
2020-10-30 22:17:55 -04:00
Thomas Harte
034056d0cd
Adds full 8-bit clock addressing; stubs clock into the IIgs.
2020-10-29 21:38:36 -04:00
Thomas Harte
1249fb598b
Factors Apple's RTC out of the Macintosh.
2020-10-29 21:03:02 -04:00
Thomas Harte
9447aa38be
Removes debugging printf
.
2020-09-22 22:13:54 -04:00
Thomas Harte
022ec20e75
Tries to add semantic meaning to the various auxiliary control fields.
...
To consider: decoding at set?
2020-09-22 20:50:39 -04:00
Thomas Harte
41f69405d8
Don't decrement timer 1 from the system clock when in PB6 mode.
...
TODO: rest of PB6 mode.
2020-09-21 22:39:49 -04:00
Thomas Harte
8e242eea54
Ensures timer-linked PB7 output is actually output.
2020-09-20 15:03:26 -04:00
Thomas Harte
703065a0a5
Takes a run at timer-linked PB7 output behaviour.
...
Seemingly sufficiently to pass the VICE test (which I've transcribed), though with some guesswork.
2020-09-20 14:51:59 -04:00
Thomas Harte
e807a462a1
My new reading is that only a write to the counter should affect the interrupt flag.
2020-09-17 21:31:29 -04:00
Thomas Harte
18790a90ae
Ensures timer 2 doesn't use timed behaviour when in pulse mode.
2020-09-17 21:09:32 -04:00
Thomas Harte
21afc70261
Adds formal data-sheet names.
2020-09-17 19:00:46 -04:00
Thomas Harte
a17d0e428f
Protects against some further uninitialised values.
2020-09-16 18:15:57 -04:00
Thomas Harte
bb57f0bcc7
Ensures all 6560 properties have a valid default value.
2020-09-16 17:24:18 -04:00
Thomas Harte
fa95a17af5
Resolves receive_bit_count-unused warnings.
2020-07-24 21:59:27 -04:00
Thomas Harte
8aeebdbc99
Remove redundant comment.
2020-07-16 23:26:45 -04:00
Thomas Harte
1288369865
Merge branch 'master' into FurtherSCC
2020-07-11 23:54:40 -04:00
Thomas Harte
2477752fa4
Adds further [[fallthrough]]
attributes.
2020-06-19 23:36:51 -04:00
Thomas Harte
3cb1072c29
Adds an explicit [[fallthrough]] tag.
2020-06-19 23:10:25 -04:00
Thomas Harte
d64b4fbc26
Adds a Qt timer class. Precision seems to be 'acceptable'.
2020-05-31 23:39:08 -04:00
Thomas Harte
73131735fa
Further qmake warning corrections.
2020-05-30 19:31:17 -04:00
Thomas Harte
48afc54af6
Cuts down unused parameter warnings to just a few that may well indicate implementation errors.
2020-05-30 01:06:43 -04:00
Thomas Harte
267006782f
Starts to add Qt target; resolves many build warnings.
2020-05-30 00:37:06 -04:00
Thomas Harte
512a52e88d
Increases const correctness, marks some additional constructors as constexpr, switches std::atomic construction style.
2020-05-20 23:34:26 -04:00
Thomas Harte
66c2eb0414
Further tightens const
and constexpr
usage.
2020-05-12 22:22:21 -04:00
Thomas Harte
9458963311
Factors out shift by 7.
2020-05-10 13:57:50 -04:00
Thomas Harte
44690b1066
Halves effect of vibrato.
2020-05-10 12:05:14 -04:00
Thomas Harte
64c62c16fb
Adjusts tremolo scale.
2020-05-10 00:43:46 -04:00
Thomas Harte
afef4f05fe
Adds damping and phase resets for the rhythm section.
2020-05-10 00:10:51 -04:00
Thomas Harte
25996ce180
Further doubles down on construction syntax for type conversions.
2020-05-09 23:00:39 -04:00
Thomas Harte
31c6faf3c8
Adds a bunch of const
s.
2020-05-09 21:23:52 -04:00
Thomas Harte
40b60fe5d4
Renames folder as per intended scope.
2020-05-09 18:04:11 -04:00
Thomas Harte
eed357abb4
Introduces concept of 'average peak volume' in order better to normalise audio sources like the OPLL.
2020-05-09 17:57:21 -04:00
Thomas Harte
8f541602c1
Moves modulator updates a sample behind operator updates.
2020-05-08 21:14:25 -04:00
Thomas Harte
668f4b77f3
Implements feedback.
2020-05-08 21:05:23 -04:00
Thomas Harte
303965fbb8
Removes the crutch of my first-attempt implementation.
2020-05-08 20:53:34 -04:00
Thomas Harte
792aed242d
Fixes the use-sustain flag.
2020-05-08 20:49:39 -04:00
Thomas Harte
dc5654b941
Attempts to implement the proper attack phase.
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It's sounding pretty good now, but for sustain.
2020-05-08 18:59:05 -04:00
Thomas Harte
e51e2425cc
Attempts to implement decay and release the right way around and with full precision.
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Higher numbers = decay/release more quickly, not more slowly.
2020-05-08 18:40:49 -04:00
Thomas Harte
95c6b9b55d
Declare proper envelope precision.
2020-05-08 17:58:50 -04:00
Thomas Harte
ea25ead19d
Ensures rhythm envelope generators don't pick up should_damp state.
2020-05-08 00:18:31 -04:00
Thomas Harte
24100ec3b0
Switches snare and high-hat envelope generators.
2020-05-08 00:08:14 -04:00
Thomas Harte
32437fbf8b
Attempts to use the proper rhythm mode envelope generators.
2020-05-07 23:56:15 -04:00
Thomas Harte
5219a86a41
In principle fully implements rhythm mode.
2020-05-07 23:38:51 -04:00
Thomas Harte
e12dc5d894
Reduce the amount of time spent installing instruments.
2020-05-06 00:15:28 -04:00
Thomas Harte
75315406bb
Ensure all channels begin in 'release' phase, which is currently code for 'off' in conjunction with attenuation of 511.
2020-05-06 00:13:01 -04:00
Thomas Harte
ea42fe638a
Corrects channel attenuation and carrier sustain level settings.
2020-05-05 23:41:15 -04:00
Thomas Harte
744211cec0
Ensures rhythm instruments are installed.
2020-05-05 23:13:13 -04:00
Thomas Harte
1a4321d7d0
Attempts better to balance attenuations.
2020-05-05 22:14:11 -04:00
Thomas Harte
b943441901
Marks up more specific TODOs.
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I think I'm already much happier with this factoring.
2020-05-05 00:35:03 -04:00
Thomas Harte
0505b82384
Restores top bit of channel period, propagates it to the envelope generator.
2020-05-05 00:28:24 -04:00
Thomas Harte
c9fb5721cd
Makes first attempt to reintroduce full-melodic output.
2020-05-05 00:16:45 -04:00
Thomas Harte
386a7ca442
Continues doing away with the attempt heavily to interleave the OPLL and OPL2, creating a new OPLL class.
2020-05-04 21:14:51 -04:00
Thomas Harte
e929d5d819
Ensures proper dereferencing of the std::optional.
2020-05-03 21:57:15 -04:00
Thomas Harte
94614ae4c3
Shifts the LFO implementation inline.
2020-05-03 21:44:22 -04:00
Thomas Harte
1223c99e0f
Adds waveform generation logic to the new factoring.
2020-05-03 21:38:20 -04:00
Thomas Harte
1ff5ea0a6e
Adds KeyLevelScaler, implements EnvelopeGenerator, adds reset
to PhaseGenerator.
2020-05-03 16:24:55 -04:00
Thomas Harte
9d2691d1d2
Taking it as given that outstanding deficiencies are mostly due to poor design, starts breaking out the envelope and phase generators.
2020-05-01 23:46:42 -04:00
Thomas Harte
e4ef2c68bb
Feeds through drum volume levels.
2020-04-30 19:35:09 -04:00
Thomas Harte
7fffafdfd4
Wires the high-hat through, possibly incorrectly.
2020-04-29 22:44:15 -04:00
Thomas Harte
c4135fad2b
Attempts completely to decouple updates and audio outputs.
2020-04-29 22:07:40 -04:00
Thomas Harte
9f0c8bcae7
Attempts to add the missing noise generators. I think I may still be astray on volumes.
2020-04-26 15:51:33 -04:00
Thomas Harte
2bc36a6cde
Eliminates branch within snare output.
2020-04-26 00:21:15 -04:00
Thomas Harte
ee10fe3d2c
Fully separates updates and outputs in operators; takes a shot at the snare.
2020-04-26 00:18:09 -04:00
Thomas Harte
a424e867f9
Continues factoring this apart, albeit with a decision on whether to retain update-and-output still pending.
2020-04-25 23:07:40 -04:00
Thomas Harte
f52b40396a
Re-ups output level.
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Though it's still quiet compared to the SN.
2020-04-25 23:07:06 -04:00
Thomas Harte
cd2ab70a58
Moves the LFSR to the LowFrequencyOscillator.
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Possibly I should come up with a better name for that?
2020-04-25 22:21:42 -04:00
Thomas Harte
65a3783dd2
Attempts the tom tom.
2020-04-25 19:21:55 -04:00
Thomas Harte
b9b5c2a3bc
Takes a first run at proper slot mixing and the bass drum.
2020-04-25 18:01:05 -04:00
Thomas Harte
12c618642e
Corrects output range.
2020-04-25 00:07:58 -04:00
Thomas Harte
6ebc93c995
Switches to maximum-rate multiplexing. Hopefully to eliminate the mixer as a consideration for now.
2020-04-24 23:50:06 -04:00
Thomas Harte
6d4e29c851
Strips mixer back to basics in search of audio issues.
2020-04-24 23:32:02 -04:00
Thomas Harte
b3979e2fda
Looking towards rhythm mode, and in search of bugs: factors out ADSR.
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Further factorings to come.
2020-04-24 18:48:32 -04:00
Thomas Harte
983c32bf75
Adds vibrato.
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This would complete melodic output, subject to bug fixes.
2020-04-24 18:02:41 -04:00
Thomas Harte
9e3614066a
Adds tremolo support, switches to global timer for ADSR stages other than attack.
2020-04-23 23:55:49 -04:00
Thomas Harte
c7ad6b1b50
Minor layout and commenting improvements.
2020-04-21 23:35:48 -04:00
Thomas Harte
676dcf7fbb
Calculates the proper key scale rate, though ADSR itself is still lacking that precision.
2020-04-21 22:57:56 -04:00
Thomas Harte
50d725330c
Adds missing header.
2020-04-21 22:48:52 -04:00
Thomas Harte
2886dd1dae
Collapses key-level scaling to a single 2d table.
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I dare imagine I can do better; the columns in particular look like arithmetic progressions.
2020-04-21 20:19:02 -04:00
Thomas Harte
40424ac38b
Re-enables key-level scaling, with 3db and 1.5db the correct way around.
2020-04-21 20:10:40 -04:00
Thomas Harte
a4d3865394
Decreases sustain level attenuation; disables key-level scaling for now.
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The latter was definitely wrong, I also think I don't need the big four tables.
2020-04-21 19:58:40 -04:00
Thomas Harte
bdce1c464a
Takes a shot at key-level scaling. Testing to come.
2020-04-21 00:09:42 -04:00
Thomas Harte
475d75c16a
Preserves fractional part of modulator phase.
2020-04-20 23:35:37 -04:00
Thomas Harte
32fd1897d0
Via a unit test, confirms and fixes relative volumes of OPLL channels.
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Also rejigs responsibility for scaling to emulator-standard volume.
2020-04-20 23:17:29 -04:00
Thomas Harte
f19fd7c166
Pulls out common melodic update calls.
2020-04-20 18:58:31 -04:00
Thomas Harte
100fddcee1
Corrects divider, takes another whack at ADSR.
2020-04-20 18:58:10 -04:00
Thomas Harte
99fa86a67e
Adds a test for lookup sine. And fixes lookup sine.
2020-04-20 18:40:47 -04:00
Thomas Harte
6568c29c54
Improves commentary.
2020-04-19 22:42:25 -04:00
Thomas Harte
c54bbc5a04
Rename Table.h; LogSin -> LogSign and make it a bit more typer.
2020-04-19 13:33:17 -04:00
Thomas Harte
92d0c466c2
Moves complete phase -> output calculation inside Operator.
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Reasoning being: otherwise I wasn't currently enforcing non-sine waveforms.
2020-04-19 13:27:24 -04:00
Thomas Harte
020c760976
Simplifies the phase counter.
2020-04-19 00:30:14 -04:00
Thomas Harte
cdfd7de221
Minor: enables all melodic channels when rhythm mode is disabled; supports non-modulated channels.
2020-04-18 17:48:29 -04:00
Thomas Harte
3da2e91acf
Adjusts range of output, makes declaration of level
full owner of type information.
2020-04-17 23:29:09 -04:00
Thomas Harte
3948304172
Attempts to use table-based maths.
2020-04-17 23:23:16 -04:00
Thomas Harte
4a295cd95e
Wraps log_sin in an access function to enshrine sign and mask rules; switches both functions to non-math.h clashing names.
2020-04-17 23:22:42 -04:00
Thomas Harte
6f7c8b35c5
Applies an ahead-of-time transformation to the exp
table, and wraps it in a helper function.
2020-04-17 22:33:13 -04:00
Thomas Harte
e58ba27c00
Clarifies meaning of scaling. Though it isn't yet applied.
2020-04-17 22:30:10 -04:00
Thomas Harte
0aceddd088
Starts tidying up the OPL2.
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This is as a precursor to switching to using the proper table lookups, which I hope will automatically fix my range issues.
2020-04-15 22:10:50 -04:00
Thomas Harte
30ff399218
With some fixes for scale, I think possibly this is close for melodic channels.
2020-04-15 21:27:27 -04:00
Thomas Harte
a7e63b61eb
Just from printing numbers: corrects transition from attack to decay.
2020-04-15 00:26:01 -04:00
Thomas Harte
b13b0d9311
Starts towards implementing some OPL test cases.
2020-04-14 23:51:45 -04:00
Thomas Harte
d8380dc3e2
Tries to be a little neater in spelling out the work here.
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I think I'm somewhat circling here now; I need to think of a way of getting clean comparison data.
2020-04-14 21:55:42 -04:00