Thomas Harte
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7a673a2448
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Avoid confusing temporary storage.
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2021-07-06 20:23:09 -04:00 |
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Thomas Harte
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33e2a4b21c
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Minor cleanups.
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2021-07-06 20:20:13 -04:00 |
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Thomas Harte
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3e6b804896
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Switches to linked 1/50/1000 Hz timers, and per-interrupt state toggling.
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2021-07-06 20:12:44 -04:00 |
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Thomas Harte
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c20e8f4062
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Honours 8/12Mhz selection in non-video delays.
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2021-07-03 23:05:09 -04:00 |
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Thomas Harte
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4add48cffb
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Obey Dave's 8/12MHz programmable divider.
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2021-07-03 22:43:20 -04:00 |
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Thomas Harte
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43ceca8711
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Use type alias.
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2021-07-03 19:10:39 -04:00 |
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Thomas Harte
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3ef28a4f03
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Remove unused instance variable.
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2021-07-03 19:10:29 -04:00 |
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Thomas Harte
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5715c9183f
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The target is now definitely used.
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2021-07-03 15:20:37 -04:00 |
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Thomas Harte
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196651d9aa
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Consolidates TODO.
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2021-07-03 13:08:53 -04:00 |
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Thomas Harte
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6b46212a4e
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Deal with dangling TODO.
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2021-07-03 13:07:41 -04:00 |
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Thomas Harte
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2a6fff2008
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Takes a stab at what might happen if you read from Nick.
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2021-07-03 13:06:07 -04:00 |
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Thomas Harte
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c5944efe50
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Adds various method definitions.
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2021-07-03 12:56:56 -04:00 |
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Thomas Harte
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f384370b18
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Switch what's left of Enterprise logging to actual LOGs.
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2021-07-03 12:50:46 -04:00 |
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Thomas Harte
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278671cdb9
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Correct Nick interrupt prediction.
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2021-07-03 00:05:13 -04:00 |
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Thomas Harte
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964d2d4fa4
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Be consistent in expression of logic.
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2021-07-03 00:00:00 -04:00 |
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Thomas Harte
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283092cfbc
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With a unit test in aid, corrects some lingering TimedInterruptSource issues.
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2021-07-02 23:41:19 -04:00 |
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Thomas Harte
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614953a222
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Allows the low-pass filter to react to high-pass effects.
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2021-07-02 22:36:35 -04:00 |
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Thomas Harte
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4fffb3cf19
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Allow that final Z80 cycle to start anywhere in the first three of Nick's window of six.
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2021-07-02 22:29:35 -04:00 |
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Thomas Harte
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7826a26c7b
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Adds Enterprise composite video option.
While enabling more pixels on the left for RGB mode.
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2021-07-02 21:42:09 -04:00 |
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Thomas Harte
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763b9ba0ec
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Ensure the splash screen is skipped for self-booting disks.
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2021-07-02 21:11:54 -04:00 |
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Thomas Harte
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742d44a532
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Switch to an activity-based typing trigger; add a target loading command.
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2021-07-01 22:53:23 -04:00 |
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Thomas Harte
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52b96db2b9
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Correct syntax, mapping and inter-key timing.
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2021-07-01 21:18:15 -04:00 |
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Thomas Harte
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0b9de78c38
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Add typer support for the Enterprise.
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2021-07-01 21:05:03 -04:00 |
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Thomas Harte
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3d8fc9952d
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Remove dead TODO, correct for overflow position.
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2021-06-29 15:44:02 -04:00 |
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Thomas Harte
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8ce8fbd977
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Provide correct input when one of the tone generators is the interrupt source.
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2021-06-29 15:41:08 -04:00 |
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Thomas Harte
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7f08218b28
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The Nick interrupt input also seems to be a live poll, not a retrieval of the mask.
This corrects the two pieces of software I knew not to be working.
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2021-06-28 22:10:11 -04:00 |
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Thomas Harte
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2c139ad931
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Adds some notes to self.
I think I'm starting to find enough information to handle tapes.
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2021-06-28 22:03:06 -04:00 |
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Thomas Harte
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1119779c8b
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Ensure EXDOS card is completely disabled if no FDC is present.
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2021-06-28 21:47:53 -04:00 |
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Thomas Harte
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5351ac560f
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Ensure the motor goes off for unselected drives.
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2021-06-28 21:40:12 -04:00 |
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Thomas Harte
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49f0ab0f15
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Add note to self.
Although I still think there may be some issue lurking.
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2021-06-28 21:31:55 -04:00 |
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Thomas Harte
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a5c57e777e
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VRES appears to work negatively in attribute mode too.
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2021-06-28 21:24:13 -04:00 |
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Thomas Harte
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3c59042388
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Fixes initial state for 1kHz.
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2021-06-28 21:08:41 -04:00 |
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Thomas Harte
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919e211bc4
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Reduces number of interrupt-related sequence points.
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2021-06-28 19:30:12 -04:00 |
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Thomas Harte
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daa0737ce4
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Ensure addresses tick upwards even during sync/burst; correct 2/4/8bpp character sizing.
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2021-06-28 19:00:51 -04:00 |
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Thomas Harte
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36805cb120
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Correct tone channel interrupts, remove dead warning.
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2021-06-27 23:21:00 -04:00 |
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Thomas Harte
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7de69e9874
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Makes an attempt to round out the timed interrupts.
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2021-06-27 23:09:11 -04:00 |
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Thomas Harte
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b93575bbcc
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Spots that b0 and b2 of 0xb4 are 'dividers', not enables.
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2021-06-27 22:33:20 -04:00 |
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Thomas Harte
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116e0f0105
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Interupts 1kHz and 50Hz interrupts, while edging towards tone generator interrupts.
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2021-06-27 22:08:38 -04:00 |
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Thomas Harte
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e4a650aaff
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Implements the 1Hz interrupt.
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2021-06-27 21:47:21 -04:00 |
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Thomas Harte
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b5312b9ba0
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get_interrupt_line can be const.
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2021-06-27 21:37:11 -04:00 |
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Thomas Harte
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6afee7bb9b
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Captures appropriate fields.
No action yet.
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2021-06-27 21:36:55 -04:00 |
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Thomas Harte
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2f53b105bb
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The Enterprise is now an Activity::Source; also sketches out the owner of Dave's timed interrupt logic.
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2021-06-27 21:02:04 -04:00 |
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Thomas Harte
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be19fa9dde
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This mapping needs to know where it will occur.
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2021-06-27 17:30:09 -04:00 |
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Thomas Harte
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81e9ba5608
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This is correct from the Enterprise's side of things, I think.
I just need to complete the missing part of JustInTimeActor. After I do some empirical testing of this.
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2021-06-27 17:24:21 -04:00 |
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Thomas Harte
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f2d7b9f6a9
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Apply a crop, allow time until Z80 slot to be a future-based query.
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2021-06-27 17:13:07 -04:00 |
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Thomas Harte
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1ea034310a
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Edge up very close to video waits.
I just need to implement back conversions that include marginal phase over in the JustInTimeActor.
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2021-06-27 16:28:01 -04:00 |
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Thomas Harte
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895d98e266
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Implements out-of-video-area pauses.
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2021-06-27 16:11:22 -04:00 |
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Thomas Harte
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903e343895
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Attempts to complete Dave's audio duties.
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2021-06-27 14:06:49 -04:00 |
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Thomas Harte
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f8b7c59616
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Corrects tone frequency.
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2021-06-26 23:51:43 -04:00 |
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Thomas Harte
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fcd267a3f9
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Starts implementing noise.
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2021-06-26 23:48:53 -04:00 |
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