System.arraycopy(bank.sysex, getPktOfst(patchNum, 0),
System.arraycopy(((Patch)bank).sysex, getPktOfst(patchNum, 0),
    public Patch getPatch(Patch bank, int patchNum) {	byte[] sysex = new byte[SINGLE_SIZE];	System.arraycopy(bank.sysex, getPktOfst(patchNum, 0),			 sysex, 0, SINGLE_SIZE); 	return new Patch(sysex, singleDriver);    }