class SOpcode():
    public virtual static mask as Int32
    public static def me(offset as UInt32):
        ...

class opBNE(SOpcode):
    public override static mask as Int32 = ...

def forward_search(dopcodes):
    for opcode as SOpcode in dopcodes:
        if opcode.me(addr): # mask here is 0 and taken from base class SOpcode
            print "opcode detected"

opBNEi = opBNE()
ar as (object) = (opBNEi,)
addr as UInt32 = forward_search(ar)