.method biric (n,m)
    ILOAD M
    DUP
    BIPUSH 1
    IFICMPEQ L2
    IFEQ L1
    LDC_W OBJREF
    DUP
    ILOAD N
    ILOAD M
    BIPUSH 1
    ISUB
    INVOKEVIRTUAL biric
    LDC_W OBJREF
    ILOAD N
    ILOAD M
    BIPUSH 2
    ISUB
    INVOKEVIRTUAL biric
    INVOKEVIRTUAL mul
    ILOAD N
    IADD
    GOTO End
L1: ILOAD N
    GOTO End
L2: LDC_W OBJREF
    ILOAD N
    DUP
    INVOKEVIRTUAL mul
End:IRETURN
.end-method

[Giorgio Stampa]