L3 BSET 3 A, 'B' A, 'A' A, 'Z' A,
PC 3 - ORG @ 1+ ! ( main )
    SP PS_ADDR MOVxI,
    BP RS_ADDR MOVxI,
    DI 0x08 MOVxm, ( LATEST )
    SI L3 @ MOVxI,
    CALLn, L4 @ RPCn, ( find )
    IFZ, JMPs, L1 @ RPCs, ( execute ) THEN,
    AH 0x0e MOVri, ( print char ) AL '!' MOVri, 0x10 INT,
    BEGIN, JMPs, AGAIN,