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mirror of https://github.com/dschmenk/PLASMA.git synced 2024-11-01 22:05:02 +00:00

ReEewrite sequence playback to be fast enough to not pause during state

changes
Hand edit a few tone values to sound better
This commit is contained in:
dschmenk 2017-04-28 17:19:26 -07:00
parent fbbb72c369
commit 734de4a5e3
2 changed files with 150 additions and 132 deletions

View File

@ -4,6 +4,40 @@ const iobuffer = $1C00
const NMACROS = 7
const FALSE = 0
const TRUE = !FALSE
//
// Sequence values
//
const SEQ_MACRO = 0
const SEQ_NOTE = 7
const SEQ_LFO = 21
const SEQ_LFO_INC = 29
const SEQ_LFO_DEC = 30
const SEQ_OCT_INC = 31
const SEQ_OCT_DEC = 32
const SEQ_DUR_INC = 33
const SEQ_DUR_DEC = 34
const SEQ_REST = 35
//
// Predefine replay functions
//
predef playback, replaynote, replayrest
predef replaylfo, replaylfoinc, replaylfodec
predef replayoctinc, replayoctdec, replaydurinc, replaydurdec
//
// Replay function pointers
//
word replay[] = @playback, @playback, @playback, @playback, @playback, @playback
word = @playback
word = @replaynote, @replaynote, @replaynote, @replaynote, @replaynote, @replaynote
word = @replaynote, @replaynote, @replaynote, @replaynote, @replaynote, @replaynote
word = @replaynote, @replaynote
word = @replaylfo, @replaylfo, @replaylfo, @replaylfo, @replaylfo, @replaylfo
word = @replaylfo, @replaylfo
word = @replaylfoinc, @replaylfodec
word = @replayoctinc, @replayoctdec
word = @replaydurinc, @replaydurdec
word = @replayrest
//
// Patch state
//
@ -32,6 +66,7 @@ word macros // Pointer to macros
byte record[t_macro] // Recording buffer
word recording = FALSE // Recording key/flag
byte playing = 0 // Keep track of active macros
byte recalc = FALSE // Recalc envelope flag
//
// System variables.
//
@ -260,23 +295,15 @@ def recalcEnv
current:rateAtk = $0FFF/current.durAtk
current:rateDcy = 0
current:rateRel = $0FFF/current.durRel
recalc = FALSE
return envelope(current.durAtk, current.durDcy, current.durSus, current.durRel, current:rateAtk, current:rateDcy, current:rateRel)
end
//
// Rest
//
def restnote
byte d
for d = duration downto 1
call($FCA8, $6A, 0, 0, 0)
next
end
//
// playback a sequence
// Playback a sequence
//
def playback(idx)
word macro
byte seq, key, i
byte seq, i
byte save[t_state]
//
@ -298,91 +325,14 @@ def playback(idx)
memcpy(@current, macro + stateStart, t_state)
duration = current.durAtk + current.durDcy + current.durSus + current.durRel
envelope(current.durAtk, current.durDcy, current.durSus, current.durRel, current:rateAtk, current:rateDcy, current:rateRel)
recalc = FALSE
fin
//
// Run throught the sequence
//
for seq = 1 to macro->sequence
key = macro->sequence[seq]
//
// Check for tone keys
//
for i = 0 to 13
if keytone[i] == key
if current.LFO == 0
hilopwm(scale.[current.octave, i], 0, 0)
else
hilopwm(scale.[current.octave, i], current.LFO, current.idxLFO)
fin
break
fin
next
//
// Check for macro keys
//
if i > 13
for i = 0 to 6
if keymacro[i] == key
playback(i)
break
fin
next
if i > 6
when key
is ' '
restnote
break
is $15 // ->
if current.octave < 3
current.octave++
fin
break
is $08 // <-
if current.octave > 0
current.octave--
fin
break
is '1'
is '2'
is '3'
is '4'
is '5'
is '6'
is '7'
is '8'
current.idxLFO = key - '1'
break
is '<'
is ','
if current.LFO > 0
current.LFO--
fin
break
is '>'
is '.'
if current.LFO < 32
current.LFO++
fin
break
is '+'
is $0B // UP
if duration < 40
duration++
fin
recalcEnv
envelope(current.durAtk, current.durDcy, current.durSus, current.durRel, current:rateAtk, current:rateDcy, current:rateRel)
break
is '-'
is $0A // DOWN
if duration > 1
duration--
fin
recalcEnv
envelope(current.durAtk, current.durDcy, current.durSus, current.durRel, current:rateAtk, current:rateDcy, current:rateRel)
break
wend
fin
fin
for i = 1 to macro->sequence
seq = macro->sequence[i]
(replay[seq])(seq)
next
//
// Restore state
@ -391,17 +341,87 @@ def playback(idx)
duration = current.durAtk + current.durDcy + current.durSus + current.durRel
envelope(current.durAtk, current.durDcy, current.durSus, current.durRel, current:rateAtk, current:rateDcy, current:rateRel)
playing = playing & ~(1 << idx)
return recalcEnv
end
//
// Replay rest
//
def replayrest(idx)
byte d
for d = duration downto 1
call($FCA8, $6A, 0, 0, 0)
next
end
//
// Replay note
//
def replaynote(idx)
if recalc
recalcEnv
fin
if current.LFO == 0
hilopwm(scale.[current.octave, idx - SEQ_NOTE], 0, 0)
else
hilopwm(scale.[current.octave, idx - SEQ_NOTE], current.LFO, current.idxLFO)
fin
end
//
// Replay duration
//
def replaydurinc(idx)
if duration < 40
duration++
recalc = TRUE;
fin
end
def replaydurdec(idx)
if duration > 1
duration--
recalc = TRUE;
fin
end
//
// Replay octave
//
def replayoctinc(idx)
if current.octave < 3
current.octave++
fin
end
def replayoctdec(idx)
if current.octave > 0
current.octave--
fin
end
//
// Replay LFO
//
def replaylfoinc(idx)
if current.LFO > 0
current.LFO--
fin
end
def replaylfodec(idx)
if current.LFO < 32
current.LFO++
fin
end
def replaylfo(idx)
current.idxLFO = idx - SEQ_LFO
end
//
// Main loop
//
def main
byte quit, key, i
word seq
quit = FALSE
repeat
if keypressed
key = toupper(getc)
seq = -1
//
// Check for tone keys
//
@ -412,6 +432,7 @@ def main
else
hilopwm(scale.[current.octave, i], current.LFO, current.idxLFO)
fin
seq = SEQ_NOTE + i
break
fin
next
@ -422,6 +443,7 @@ def main
for i = 0 to 6
if keymacro[i] == key
playback(i)
seq = SEQ_MACRO + i
break
fin
next
@ -439,7 +461,6 @@ def main
normal
putsxy(29, 3, "RECORDING")
inverse
key = 0
break
fin
next
@ -473,21 +494,36 @@ def main
putsxy(29, 3, " ")
fin
break
is $0B // UP
if duration < 40
duration++
recalcEnv
showDuration
fin
seq = SEQ_DUR_INC
break
is '-'
is $0A // DOWN
if duration > 1
duration--
recalcEnv
showDuration
fin
seq = SEQ_DUR_DEC
break
is $15 // ->
if current.octave < 3
current.octave++
showOctave
else
key = 0
fin
seq = SEQ_OCT_INC
break
is $08 // <-
if current.octave > 0
current.octave--
showOctave
else
key = 0
fin
seq = SEQ_OCT_DEC
break
is '1'
is '2'
@ -499,13 +535,7 @@ def main
is '8'
current.idxLFO = key - '1'
showWaveform
break
is '<'
is ','
if current.LFO > 0
current.LFO--
fin
showLFO
seq = SEQ_LFO + current.idxLFO
break
is '>'
is '.'
@ -513,29 +543,17 @@ def main
current.LFO++
fin
showLFO
seq = SEQ_LFO_INC
break
is '<'
is ','
if current.LFO > 0
current.LFO--
fin
showLFO
seq = SEQ_LFO_DEC
break
is '+'
is $0B // UP
if duration < 40
duration++
recalcEnv
envelope(current.durAtk, current.durDcy, current.durSus, current.durRel, current:rateAtk, current:rateDcy, current:rateRel)
showDuration
else
key = 0
fin
break
is '-'
is $0A // DOWN
if duration > 1
duration--
recalcEnv
envelope(current.durAtk, current.durDcy, current.durSus, current.durRel, current:rateAtk, current:rateDcy, current:rateRel)
showDuration
else
key = 0
fin
break
is 'P'
if modPatch
savePatch
@ -548,10 +566,10 @@ def main
fin
fin
fin
if recording and key
if recording and seq >= 0
if record.sequence < 255
record.sequence++
record.sequence[record.sequence] = key
record.sequence[record.sequence] = seq
else
beep
fin

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