for(i = 0; i < number_of_ferns; i++)
{
    __asm(__as3(ntfm1))
    __asm(LookupSwitch("default", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12"))
    __asm("default:") // here default will take the max op
    __asm("12:")
        index = __cint( index + int(Memory.readUnsignedByte(img + tst.ind1) < Memory.readUnsignedByte(img + tst.ind2)) )
        index <<= 1
        tst = tst.next
    __asm("11:")
        index = __cint( index + int(Memory.readUnsignedByte(img + tst.ind1) < Memory.readUnsignedByte(img + tst.ind2)) )
        index <<= 1
        tst = tst.next
    __asm("10:")
        index = __cint( index + int(Memory.readUnsignedByte(img + tst.ind1) < Memory.readUnsignedByte(img + tst.ind2)) )
        index <<= 1
        tst = tst.next
    __asm("9:")
        index = __cint( index + int(Memory.readUnsignedByte(img + tst.ind1) < Memory.readUnsignedByte(img + tst.ind2)) )
        index <<= 1
        tst = tst.next
    __asm("8:")
        index = __cint( index + int(Memory.readUnsignedByte(img + tst.ind1) < Memory.readUnsignedByte(img + tst.ind2)) )
        index <<= 1
        tst = tst.next
    __asm("7:")
        index = __cint( index + int(Memory.readUnsignedByte(img + tst.ind1) < Memory.readUnsignedByte(img + tst.ind2)) )
        index <<= 1
        tst = tst.next
    __asm("6:")
        index = __cint( index + int(Memory.readUnsignedByte(img + tst.ind1) < Memory.readUnsignedByte(img + tst.ind2)) )
        index <<= 1
        tst = tst.next
    __asm("5:")
        index = __cint( index + int(Memory.readUnsignedByte(img + tst.ind1) < Memory.readUnsignedByte(img + tst.ind2)) )
        index <<= 1
        tst = tst.next
    __asm("4:")
        index = __cint( index + int(Memory.readUnsignedByte(img + tst.ind1) < Memory.readUnsignedByte(img + tst.ind2)) )
        index <<= 1
        tst = tst.next
    __asm("3:")
        index = __cint( index + int(Memory.readUnsignedByte(img + tst.ind1) < Memory.readUnsignedByte(img + tst.ind2)) )
        index <<= 1
        tst = tst.next
    __asm("2:")
        index = __cint( index + int(Memory.readUnsignedByte(img + tst.ind1) < Memory.readUnsignedByte(img + tst.ind2)) )
        index <<= 1
        tst = tst.next
    __asm("1:")
        index = __cint( index + int(Memory.readUnsignedByte(img + tst.ind1) < Memory.readUnsignedByte(img + tst.ind2)) )
        index <<= 1
        tst = tst.next
    __asm("0:")
        index = __cint( index + int(Memory.readUnsignedByte(img + tst.ind1) < Memory.readUnsignedByte(img + tst.ind2)) )
        tst = tst.next
      Memory.writeInt(index, idx_ptr);
      idx_ptr = __cint(idx_ptr + 4);
}