Has anybody got this to run under A7.5? My texture flickers but does not move.

I changed the render event to

function mtl_UV_alphaClamp_event ()
{
mat_identity(mtl.matrix);
mtl->flags |= ENABLE_RENDER;
(mtl->matrix)[7] = my.skill1 / 256;
(mtl->matrix)[8] = my.skill2 / 256;
}