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Change loadnote to load values from [-1,1], to allow using notes for both positive and negative modulations.

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Also change SPEED to take this change into account.
This commit is contained in:
Veikko Sariola
2020-05-26 18:58:49 +03:00
parent 3cdada41e0
commit e049bf2dce
4 changed files with 3 additions and 3 deletions
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4
src/opcodes/arithmetic.asm
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@ -65,7 +65,7 @@ su_op_addp_mono:
%endif
;-------------------------------------------------------------------------------
; LOADNOTE opcode: load the current note, scaled to [0,1]
; LOADNOTE opcode: load the current note, scaled to [-1,1]
;-------------------------------------------------------------------------------
; Mono: (empty) -> n, where n is the note
; Stereo: (empty) -> n n
@ -80,6 +80,8 @@ su_op_loadnote_mono:
%endif
fild dword [INP-su_voice.inputs+su_voice.note]
do fmul dword [,c_i128,]
do fsub dword [,c_0_5,] ; s-.5
fadd st0, st0 ; 2*s-1
ret
%endif