int adr = (int) startAt.getSubNode(2, Node.TYPE_NUMBER).getNumber();
double v =startAt.getSubNode(3, Node.TYPE_NUMBER).getNumber();
int vf=((int)v) & 0xFF;
if(vf!=v)
throw new InterpreterException(StdErrors.extend(StdErrors.Invalid_parameter,""+v));
b.poke(adr, (byte)vf);
return null;
}
}