B<NAME>=1
B<CNST>=2
B<SPS> =3
P<SS1> =<SPS><IN1>,
        <NAME><SPS><LIN1>;
P<SS2> =<SPS><IN2><SEP>,
        <NAME><SPS><LIN2><SEP>;
P<SS3> =<NAME><PRIV><SEP>,
        '0'<REP><SEP>;
P<IN1> =<MOP1>,'ORG'<SPS><VAL><SEP>,'END';
P<LIN1>=<MOP1>,'EQU'<SPS><VAL><SEP>;
P<MOP1>='D ','C ','T ','B ','L ',<I>' ','DC ';
P<IN2>=<MOP2>,'ORG'<SPS><VAL>,'END';
P<LIN2>=<MOP2>,'EQU'<SPS><VAL>;
P<MOP2>='D'<SPS><DF><DFS>,
        'C'<SPS><CF><CFS>,
        'T'<SPS><TF><TFS>,
        'B'<SPS><COND>','<VAL>,
        'L'<SPS><RL>,
        <I><SPS><ID>','<RI>,
        'DC'<SPS><VAL>;
P<DF>  ='MR','MW','PW','INC','JAM','PC','CLR','SWA','CWA','ALRM','POW',
        'P2J','P2N';
P<DFS> ='+'<DF><DFS>,;
P<CF>  ='MR','MW','PW','MPY','DIV','RPT','SR1','SL1','CI','CO','SUT',
        'CUT','TUT','SB','CB';
P<CFS> ='+'<CF><CFS>,;
P<TF>  ='FAST','ATN','ARST','CATN','SNGL','UT','MALF','PPF','DC','DRD',
        'MSK','OP';
P<TFS> ='+'<TF><TFS>,;
P<COND>=<CNST>,'CTR',<CC><RCC><RCC><RCC>;
P<CC>  ='C','V','G','L';
P<RCC> =<CC>,;
P<VAL> ='L('<NAME>')','H('<NAME>')',<CNST>,<NAME>;
P<RL>  =<LD>','<LS><LXS>,<ID>','<VAL>;
P<LD>  ='RAH','MR0','RAL','MR1','PSW','MR2','LOC','FLR','MAR','SRH',
        'SRL','AR','IR','MDR','IO','CTR','YS','YDP1','YD';
P<LS>  ='MR0','MR1','MR2','LOC','PSW','MAR','SRH','SRL','NULL',
        'IR4','MDR','IO','IR','YS','YDP1','YD';
P<LXS> =','<LX><RLXS>,;
P<LX>  ='SL','SR','CS','NC','CI','CO','CMD','DCAK','ADRS','DA','C',
        'ACK','DR','STAT';
P<RLXS>='+'<LX><RLXS>,;
P<I>   ='O','N','X','A','S';
P<ID>  ='RAH','MR0','RAL','MR1','PSW','MR2','LOC','FLR','MAR','SRH',
        'SRL','AR','IR','MDR','CTR','YS','YDP1','YD';
P<IS>  ='MR0','MR1','MR2','LOC','PSW','MAR','SRH','SRL','NULL','IR4',
        'MDR','IR','YS','YDP1','YD';
P<IXS> =','<IX><RIXS>,;
P<IX>  ='NC','CI','CO','C','NF','NA';
P<RIXS>='+'<IX><RIXS>,;
P<RI>  =<IS><IXS>,<VAL>;
P<PRIV>='*',;
P<REP> ='('<CNST>')',;
P<SEP> =' ','
';
E