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Applecorn
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Added additional envelope buffers.

This commit is contained in:
Bobbi Webber-Manners 2022-10-26 03:22:03 -04:00
parent 76d3c61c9a
commit 38cb7cd1b4
1 changed files with 19 additions and 2 deletions
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21
mainmem.audio.s
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@ -33,11 +33,23 @@ SND2ENDIDX DB $00
SND3ENDIDX DB $00
ENDINDICES EQU SND0ENDIDX - 4
* Envelope buffers 0-3
* Envelope buffers 0-15
ENVBUF0 DS 13 ; 13 bytes not including env num
ENVBUF1 DS 13
ENVBUF2 DS 13
ENVBUF3 DS 13
ENVBUF4 DS 13
ENVBUF5 DS 13
ENVBUF6 DS 13
ENVBUF7 DS 13
ENVBUF8 DS 13
ENVBUF9 DS 13
ENVBUF10 DS 13
ENVBUF11 DS 13
ENVBUF12 DS 13
ENVBUF13 DS 13
ENVBUF14 DS 13
ENVBUF15 DS 13
* Offsets of parameters in each envelope buffer
ENVT EQU 0 ; Len of step in 1/100 sec
@ -55,6 +67,7 @@ ENVALA EQU 11 ; Target at end of attack
ENVALD EQU 12 ; Target at end of decay
* Time remaining for current note, in 1/20th of second
* Does not include the release phase of the envelope (if any)
CHANTIMES DB $00
DB $00
DB $00
@ -92,7 +105,11 @@ CURRPITCH DB $00
DB $00
DB $00
* Amplitude envelope section (0..4)
* Amplitude envelope section (0..3)
* 0: Attack
* 1: Decay
* 2: Sustain
* 3: Release
AMPSECT DB $00
DB $00
DB $00