Effect Axy
From Famitracker Wiki
Axy - volume slide, can be used on any channel except Triangle and DPCM. A0x = slide down, Ax0 = slide up. A larger value will result in a faster slide. A00 will stop the volume slide.
Amongst other things, this effect is useful for creating hi-hats on the noise channel.
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Theory
Examples
C-4 00 F --- --- -- - --- --- -- - A01 --- -- - --- --- -- - --- --- -- - A00
C-4 is note, 00 is instrument number, F is volume. Volume slide down starts from line with Axx effect and will continue until A00.
C-4 00 F A0F --- -- - --- D-4 00 - --- --- -- - --- C-4 00 F --- --- -- - ---
C-4 and D-4 are notes, 00 is instrument number, F is volume. Only the two C-4 notes are played at full volume; D-4 picks up where the volume is at the end of the first C-4 and continues it.
F-3 00 F A06 --- -- - A0A G-3 00 F A06 --- -- - A0A A-3 00 F A06 --- -- - A0A
F-3, G-3 and A-3 are notes, 00 is instrument number, F is volume. Axy commands can be mixed to create complex fading instruments.
D-3 00 F A01 744 --- -- - --- --- --- -- - --- 754 --- -- - --- --- --- -- - --- 764 --- -- - --- ---
D-3 is note, 00 is instrument number, F is volume. Axy commands can be mixed with other effects to create more effects, such as combining Axy with 7xy to create echoes.
History
Technical
In the FTM format, this effect is encoded to 16.
In the NSF export, this effect is encoded to A8.
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