Effect 7xy

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7xy is the tremolo effect (volume vibrato). It can be used on any channel except triangle and DPCM. x sets the speed of the tremolo, with larger value meaning faster tremolo. 70y disables the tremolo. y sets the tremolo depth, with larger value means deeper vibrato. Note that the maximum value for y is 7.

Example

C-4 00 F ---
--- -- - ---
--- -- - 762
--- -- - ---
--- -- - ---
--- -- - 700

C-4 is note, 00 is instrument number, F is volume. Tremolo starts from line with 7xx effect and will continue until 700.


Effect list
0xy - arpeggio 1xx, 2xx - pitch slides 3xx - portamento 4xy - vibrato
7xy - tremolo Axy - volume slide Bxx - jump to frame Cxx - stop
Dxx - skip frame Exx - volume Fxx - speed and tempo Gxx - note delay
Hxy, Ixy - hardware sweep Hxx - FDS modulation depth Ixx, Jxx - FDS modulation speed Pxx - fine pitch
Qxy, Rxy - note slide Sxx - mute delay Vxx - duty/noise/wave mode Wxx - DPCM sample speed
Xxx - DPCM sample retrigger Yxx - DPCM sample offset Zxx - DPCM delta counter