# note: An alpha plane back-reference at distance 4.
# expect: ok
# unique: copy8b_dist_4
# exercises: The four-byte arm of CopyBlock8b()'s pattern switch, where the
#   pattern is one whole word and the write loop needs no shifting at all.
#   The last arm of the three; anything else goes to the plain copy.
chunks VP8X ALPH VP8
alpha 1
width 16
height 16
yac_qi 30
macroblock
coeffs y2 -20
alph_plane
transforms color_indexing
palette_colors 0x00000000 0x0000c800 0x0000ff00
code green complex
code dist complex
pixels 0x24 x28 0x49 0x92 0x06 0x21 copy 32 124