ide
     Where [10][x][y] means "either slide the volume up x*(ticks - 1) or
     slide the volume down y*(ticks - 1)". If both x and y are non-zero,
     then the y value is ignored (assumed to be 0). You cannot slide
     outside the volume range 0..64.

[11]: Position Jump
     Where [11][x][y] means "stop the pattern after this division, and
     continue the song at song-position x*16+y". This shifts the
     'pattern-cursor' in the pattern table (see above). Legal values for
     x*16+y are from 0 to 