MSX

function msx(clip y, float "ls", float "cs", float "lt", float "ct")
{### (c) MWilson
ls=Default (ls,127/3)
cs=Default(cs,96/3)
lt=Default(lt,3)
ct=Default(ct,2)

y=y.converttoyv12()
a=y.hqdn3d(ls,cs,lt,ct)
b=y.FlipHorizontal().hqdn3d(ls,cs,lt,ct).FlipHorizontal()
c=y.FlipVertical().hqdn3d(ls,cs,lt,ct).FlipVertical()
mt_makediff(a,y,y=3,u=3,v=3)
mt_makediff(y,last,y=3,u=3,v=3)
d=last
mt_makediff(b,y,y=3,u=3,v=3)
mt_makediff(d,last,y=3,u=3,v=3)
e=last
mt_makediff(c,y,y=3,u=3,v=3)
mt_makediff(e,last,y=3,u=3,v=3)
f=last

return f
}