30 Commits

Author	SHA1	Message	Date
Thomas Harte	0e49258546	Remove caveman debugging.	2021-07-06 23:15:53 -04:00
Thomas Harte	264b8dfb28	Dave: apply ring modulation even in sync mode.	2021-07-06 23:11:30 -04:00
Thomas Harte	7a673a2448	Avoid confusing temporary storage.	2021-07-06 20:23:09 -04:00
Thomas Harte	33e2a4b21c	Minor cleanups.	2021-07-06 20:20:13 -04:00
Thomas Harte	3e6b804896	Switches to linked 1/50/1000 Hz timers, and per-interrupt state toggling.	2021-07-06 20:12:44 -04:00
Thomas Harte	4add48cffb	Obey Dave's 8/12MHz programmable divider.	2021-07-03 22:43:20 -04:00
Thomas Harte	964d2d4fa4	Be consistent in expression of logic.	2021-07-03 00:00:00 -04:00
Thomas Harte	283092cfbc	With a unit test in aid, corrects some lingering TimedInterruptSource issues.	2021-07-02 23:41:19 -04:00
Thomas Harte	614953a222	Allows the low-pass filter to react to high-pass effects.	2021-07-02 22:36:35 -04:00
Thomas Harte	3d8fc9952d	Remove dead TODO, correct for overflow position.	2021-06-29 15:44:02 -04:00
Thomas Harte	8ce8fbd977	Provide correct input when one of the tone generators is the interrupt source.	2021-06-29 15:41:08 -04:00
Thomas Harte	49f0ab0f15	Add note to self. ... Although I still think there may be some issue lurking.	2021-06-28 21:31:55 -04:00
Thomas Harte	3c59042388	Fixes initial state for 1kHz.	2021-06-28 21:08:41 -04:00
Thomas Harte	919e211bc4	Reduces number of interrupt-related sequence points.	2021-06-28 19:30:12 -04:00
Thomas Harte	36805cb120	Correct tone channel interrupts, remove dead warning.	2021-06-27 23:21:00 -04:00
Thomas Harte	7de69e9874	Makes an attempt to round out the timed interrupts.	2021-06-27 23:09:11 -04:00
Thomas Harte	b93575bbcc	Spots that b0 and b2 of 0xb4 are 'dividers', not enables.	2021-06-27 22:33:20 -04:00
Thomas Harte	116e0f0105	Interupts 1kHz and 50Hz interrupts, while edging towards tone generator interrupts.	2021-06-27 22:08:38 -04:00
Thomas Harte	e4a650aaff	Implements the 1Hz interrupt.	2021-06-27 21:47:21 -04:00
Thomas Harte	6afee7bb9b	Captures appropriate fields. ... No action yet.	2021-06-27 21:36:55 -04:00
Thomas Harte	2f53b105bb	The Enterprise is now an Activity::Source; also sketches out the owner of Dave's timed interrupt logic.	2021-06-27 21:02:04 -04:00
Thomas Harte	903e343895	Attempts to complete Dave's audio duties.	2021-06-27 14:06:49 -04:00
Thomas Harte	f8b7c59616	Corrects tone frequency.	2021-06-26 23:51:43 -04:00
Thomas Harte	fcd267a3f9	Starts implementing noise.	2021-06-26 23:48:53 -04:00
Thomas Harte	f8bb66d2a0	Attempts an essentially-complete implementation of tone channels.	2021-06-26 23:39:59 -04:00
Thomas Harte	f2336d2efc	I think reloads occur after overflow, not before.	2021-06-26 23:16:00 -04:00
Thomas Harte	c2d093fa3c	Respect user volume input. ... Basic tones are now present. Neato!	2021-06-24 22:27:02 -04:00
Thomas Harte	1a97cc8a91	Start making some effort towards audio generation.	2021-06-24 22:21:01 -04:00
Thomas Harte	8319aca351	Correct syntax errors.	2021-06-22 20:50:03 -04:00
Thomas Harte	a66734883a	Starts sketching out Dave.	2021-06-22 19:33:41 -04:00