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Author SHA1 Message Date
Bobbi Webber-Manners
29a688c5f3 Less buggy *BUILD. 2022-11-03 00:14:24 -04:00
Bobbi Webber-Manners
c397a92ec1 More README.md stuff. 2022-11-03 00:02:00 -04:00
Bobbi Webber-Manners
e51c482938 Updated README.md to add *BUILD. 2022-11-02 23:58:20 -04:00
Bobbi Webber-Manners
634841df6d Implemented *BUILD. 2022-11-02 23:56:29 -04:00
Bobbi Webber-Manners
3da7e82cc7 Added another sample disk of BBC BASIC music programs. 2022-11-01 18:50:05 -04:00
Bobbi Webber-Manners
420defa1b3 Added two diskettes of BBC BASIC tunes. 2022-11-01 18:21:13 -04:00
Bobbi Webber-Manners
5431840b59 OSWORD &02 is implemented (so you can set TIME). 2022-10-31 21:29:53 -04:00
Bobbi Webber-Manners
e969d2cceb First attempt at calibrating frequency 2022-10-31 21:13:13 -04:00
Bobbi Webber-Manners
76ca965adb Added five-byte system clock, OSWORD &01. 2022-10-31 18:47:29 -04:00
Bobbi Webber-Manners
43e429d4df Implemented ADSR release 'hold' feature 2022-10-31 17:48:52 -04:00
Bobbi Webber-Manners
7fece994bc Removed unnecessary PHY/PLY. 2022-10-31 16:34:42 -04:00
Bobbi Webber-Manners
f3ee7bfef2 If prev note hasn't decayed, use residual amplitude 2022-10-30 17:54:22 -04:00
Bobbi Webber-Manners
c407ce0d6b Maintain hold nybble when releasing note 2022-10-30 17:35:31 -04:00
Bobbi Webber-Manners
38cb7cd1b4 Added additional envelope buffers. 2022-10-26 03:22:03 -04:00
Bobbi Webber-Manners
76d3c61c9a Updated release date to 2022-10-25. 2022-10-25 21:41:00 -04:00
Bobbi Webber-Manners
1b9f7acd55 Fixed bug in chord synchronization. 2022-10-25 21:39:41 -04:00
Bobbi Webber-Manners
2af37adc82 Implement ADSR release phase. 2022-10-25 15:47:27 -04:00
Bobbi Webber-Manners
911424173b Bugfix for ADSR with change/step = 0 2022-10-25 14:36:02 -04:00
Bobbi Webber-Manners
a31c9d6374 Fixed bug in amplitude envelope handling. 2022-10-24 20:50:37 -04:00
Bobbi Webber-Manners
bcecb6d7fe Merge pull request #183 from jgharston/main 
Tweek to SOUND and OSWORD
 2022-10-20 11:59:54 -04:00
jgharston
762d2ea13e SOUND ignores non-internal channels 2022-10-20 16:17:30 +01:00
jgharston
6bcb59575e Added VDU entries to OSWORD table 2022-10-20 16:05:50 +01:00
Bobbi Webber-Manners
a58978da4e Datestamp 2022-10-19 - merged JGH's latest tweaks. 2022-10-19 22:46:03 -04:00
Bobbi Webber-Manners
6b6023cd1a Merge pull request #182 from jgharston/main 
Minor bugfixes
 2022-10-19 22:44:44 -04:00
jgharston
ed8ee8859b Debugging service dispatcher 
Added a debug test in service dispatcher.
 2022-10-19 19:02:01 +01:00
jgharston
9d55776cb3 Minor bugfixes 
ROMINIT sets ROMID to 'unknown', allows ROMSELECT optimisation to work.
Bugfix to BUFREM in audio.s
 2022-10-19 15:38:17 +01:00
jgharston
e9ef2f2e27 Merge branch 'bobbimanners:main' into main 2022-10-19 15:26:00 +01:00
Bobbi Webber-Manners
2eb2bb82f9 ADSR refactoring. 2022-10-18 00:15:39 -04:00
Bobbi Webber-Manners
5c67403cb4 More work on ADSR envelope. 2022-10-17 01:54:49 -04:00
Bobbi Webber-Manners
135bea7d2d First hack at attack envelope. Seems to work. 2022-10-16 18:10:25 -04:00
jgharston
d2b60c246d Character input loop enables IRQs 2022-10-16 22:02:20 +01:00
Bobbi Webber-Manners
ba828c5ad4 Set 'no envelope' when silencing a note. 2022-10-16 00:43:49 -04:00
Bobbi Webber-Manners
7cea322407 Added support for repeating pitch envelopes. 2022-10-16 00:09:15 -04:00
Bobbi Webber-Manners
9442600894 Pitch envelope working (!) 2022-10-15 23:20:23 -04:00
Bobbi Webber-Manners
fc05237d37 Pitch envelope fixes. 2022-10-15 23:04:43 -04:00
Bobbi Webber-Manners
55cca2ea25 Bumped up date to 2022-10-15. 2022-10-15 20:07:41 -04:00
Bobbi Webber-Manners
cb001e3947 Merge pull request #181 from jgharston/main 
Refactored Escape polling
 2022-10-15 19:59:54 -04:00
jgharston
4328b34906 Some test programs 2022-10-16 00:58:18 +01:00
jgharston
99e306f83a Some test programs 2022-10-16 00:57:10 +01:00
jgharston
7112146a0d Character input loop enables IRQs 
Character input loop enables IRQs.
Fixed bug where cursor keys all returned TAB if *FX4,2 active.
 2022-10-16 00:54:55 +01:00
jgharston
480576693a Refactored Escape polling 2022-10-15 10:43:30 +01:00
Bobbi Webber-Manners
dec5df0707 Some bugfix. Pitch envelope more or less complete. Untested! 2022-10-15 03:32:39 -04:00
Bobbi Webber-Manners
dd4ac31e4c Partial implementation of pitch envelope. 2022-10-15 03:18:09 -04:00
Bobbi Webber-Manners
30119703d3 Further work on ENVELOPE data structures. 2022-10-15 02:35:21 -04:00
Bobbi Webber-Manners
7ef3eaf70f Fixed mainmem.audio.s to use A1L,A1H not OSINTWS 2022-10-15 02:22:25 -04:00
Bobbi Webber-Manners
6812429cc9 More groundwork for ENVELOPE. Volume is now 0 to -15, like Beeb. 2022-10-15 00:32:25 -04:00
Bobbi Webber-Manners
366b68ee1a Code cleanup/preparation for envelope handling. 2022-10-14 23:25:16 -04:00
Bobbi Webber-Manners
5c567ac46e Removed unused file. 2022-10-14 23:16:26 -04:00
Bobbi Webber-Manners
34d28c4256 Implemented OSWORD &08 (ENVELOPE). No back end yet. 2022-10-14 22:33:52 -04:00
Bobbi Webber-Manners
b65d7ff0e7 Merge branch 'jgharston-main' 2022-10-14 04:08:44 -04:00