Thomas Harte
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9ca2d8f9f2
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Tried to be less lazy with lambda captures.
This is primarily defensive.
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2020-02-14 23:39:08 -05:00 |
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Thomas Harte
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6a44936a7c
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Ensures programmatic volume level 0 is completely off.
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2020-01-05 22:44:52 -05:00 |
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Thomas Harte
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274867579b
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Deploys constexpr as a stricter const.
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2019-12-22 00:22:17 -05:00 |
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Thomas Harte
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206ab380c7
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Introduces double-resolution envelopes for the Atari ST.
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2019-12-18 22:03:02 -05:00 |
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Thomas Harte
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d85ae21b2f
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Adds an explicit declaration of chip type to all AY users.
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2019-12-18 19:28:41 -05:00 |
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Thomas Harte
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f79c87659f
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Corrects documentation error.
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2019-10-20 20:38:55 -04:00 |
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Thomas Harte
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62a1d69cee
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Implements proper AY IO output behaviour.
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2019-03-05 20:20:26 -05:00 |
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Thomas Harte
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ee89be6730
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Removes many stray spaces.
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2018-11-23 22:32:32 -05:00 |
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Thomas Harte
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df8c896193
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Removes unused state and implements AND output readback.
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2018-06-26 19:31:16 -04:00 |
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Thomas Harte
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59f8eeb05a
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Ensures the AY goes high impedance when not in read mode.
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2018-06-25 20:48:24 -04:00 |
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Thomas Harte
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1a9cea050e
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Minor: ensure AY registers *read* as 0 from reset, as well as being 0.
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2018-06-01 19:48:42 -04:00 |
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Thomas Harte
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5d6b5d9f10
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Eliminates all emdashes in cross-platform code.
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2018-05-13 15:34:31 -04:00 |
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Thomas Harte
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0b771ce61a
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Removes all instances of the copyright symbol.
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2018-05-13 15:19:52 -04:00 |
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Thomas Harte
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48737a32a7
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Introduces formal setting of the output volume to SampleSource.
Previously every output device was making its own decision. Which is increasingly less sustainable due to the CompoundSource.
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2018-03-09 13:23:18 -05:00 |
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Thomas Harte
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3c5a8d9ff3
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Adds Super Game Module support for the ColecoVision.
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2018-03-03 13:08:33 -05:00 |
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Thomas Harte
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d4df101ab6
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Makes a first attempt at implementing the SN76489.
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2018-02-27 22:25:12 -05:00 |
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Thomas Harte
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57ddfcd645
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Corrects AY counter type.
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2018-01-06 23:16:01 -05:00 |
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Thomas Harte
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2dc1d4443e
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Separates LowpassFilter and SampleSource.
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2017-12-18 21:39:23 -05:00 |
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Thomas Harte
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ac80d10cd8
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Separates the component parts of running an audio stream: task deferral, filtering and generation.
Walking towards improving opportunities for composition.
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2017-12-17 21:26:06 -05:00 |
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Thomas Harte
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5aef81cf24
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Commutes cross-platform #pragma marks to //MARK:s.
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2017-11-12 15:59:11 -05:00 |
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Thomas Harte
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5b6ea35d96
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Corrects initialisation ordering for the ZX80/81, C1540 and AY-3-8910.
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2017-11-10 22:31:27 -05:00 |
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Thomas Harte
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f95515ae81
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Eliminates a large number of instance of end-of-line tabs.
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2017-11-07 22:51:06 -05:00 |
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Thomas Harte
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ec999446e8
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Commutes int and unsigned casts to the functional style.
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2017-10-21 21:00:40 -04:00 |
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Thomas Harte
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5e3e91373a
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Switches all unsigned int and double casts to functional style.
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2017-10-21 19:49:04 -04:00 |
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Thomas Harte
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edb9fd301c
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Begins this project's conversion to functional-style casts.
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2017-10-03 22:04:15 -04:00 |
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Thomas Harte
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cc9d23f23b
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Inverted meaning of register_masks, as it's a bit weird that the mask is inverted immediately upon usage. It's a left-over from thinking the unused bits should be 1s; unit tests reveal they should be 0s. Comment updated appropriately.
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2017-08-16 09:29:48 -04:00 |
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Thomas Harte
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1a831bcf9b
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Quick fix: supply the port being written to correctly.
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2017-08-16 09:15:57 -04:00 |
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Thomas Harte
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82367a2246
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Added documentation.
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2017-08-16 09:14:56 -04:00 |
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Thomas Harte
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3947347d88
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Introduces active input handling for the AY and uses it in the CPC to give proper, active keyboard input, rather than push-on-select, which was only ever a temporary hack. Also maps a few more keys for the Amstrad.
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2017-08-15 22:47:17 -04:00 |
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Thomas Harte
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e3d1f4fe1e
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Subjectively, this might be more correct. It definitely prevents intermediate frequencies. More research required.
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2017-08-08 17:58:35 -04:00 |
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Thomas Harte
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41a30c147d
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Adjusted: invalid register selection simply deselects all registers.
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2017-08-07 19:51:36 -04:00 |
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Thomas Harte
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7fbb455836
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Per the CPC test I'm checking, 0s should be returned for non-retained bits, not 1s.
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2017-08-07 19:07:12 -04:00 |
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Thomas Harte
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745afd217f
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The port input/output flags are now honoured; reading a port that is set as an output returns the current output value.
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2017-08-07 19:01:18 -04:00 |
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Thomas Harte
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3ca9c38777
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Attempted to move to more accurate bus reading — if control lines are set then all subsequent data inputs should act according to the current control lines; changes to port input should be reflected live upon readings, etc.
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2017-08-02 19:45:58 -04:00 |
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Thomas Harte
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0267bc237f
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Added the ability to set a port input, and relaxed bus state testing. I think my on-demand bus reactions here are inappropriate, so more work to do here probably.
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2017-08-01 18:04:51 -04:00 |
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Thomas Harte
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e6854ff8db
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Corrected typo: the input to an AY is BDIR, not BCDIR.
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2017-08-01 17:06:57 -04:00 |
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Thomas Harte
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2d4e202be3
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Completed dangling comment.
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2017-08-01 17:01:36 -04:00 |
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Thomas Harte
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aaa60dab12
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Fixed signedness of index.
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2017-07-21 21:21:01 -04:00 |
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Thomas Harte
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e01f3f06c8
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Completed curly bracket movement.
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2017-03-26 14:34:47 -04:00 |
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Thomas Harte
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ced644b103
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It seems likely that an AY divides its clock by 8, not 16. I had conflated wave frequency and counter clock.
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2017-01-11 22:03:01 -05:00 |
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Thomas Harte
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36bc558798
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Converted all 'Components' to postfix underscores.
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2016-12-03 10:51:09 -05:00 |
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Thomas Harte
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7eeaac23e7
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Reversed myself. I once again do not think the clock is divided by 256 for envelopes.
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2016-11-11 20:31:48 -05:00 |
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Thomas Harte
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77987bf31e
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Decided to go with divide by 256 for the envelope counter after all.
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2016-11-09 21:51:56 -05:00 |
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Thomas Harte
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77ce200fbb
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Simplified/corrected AY tone/noise mixer logic, and made a new guess at the effect of reading registers that are smaller than 8 bits.
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2016-11-09 21:21:17 -05:00 |
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Thomas Harte
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21604376e6
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Reintroduced clocking of the AY and boxed in the range of the master divider a little further.
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2016-10-30 22:51:08 -04:00 |
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Thomas Harte
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fd823dc222
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Settled on terminology.
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2016-10-23 20:42:49 -04:00 |
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Thomas Harte
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b12f2f2796
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Switched to more straightforward version of two-step loop, dealing with my mistaken dealing of when _master_divider&15 == 0 upon entry without adding an extra sanity check. Am also temporarily on non-modulo logic for tone generation, for a profiling test.
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2016-10-23 20:32:48 -04:00 |
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Thomas Harte
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583db88299
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Added a dispatch queue-powered Apple implementation of the async task queue, removed any mention of skip_samples in the AY since it isn't implemented.
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2016-10-22 21:58:45 -04:00 |
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Thomas Harte
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33e628a096
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Made an attempt to eliminate what amounts to manual division.
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2016-10-21 22:16:44 -04:00 |
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Thomas Harte
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46a3c0922f
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Slightly simplified code, fixed divider.
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2016-10-21 22:12:44 -04:00 |
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