埋め込みの説明
@1@ : SIA，STD
@2@ : AND，OR，EXOR，NOT
例題
[C9121.cob] 000001 @OPTIONS FLAGSW(STDH) 000002 IDENTIFICATION DIVISION. 000003 PROGRAM-ID. C9121. 000004 ENVIRONMENT DIVISION. 000005 DATA DIVISION. 000006 WORKING-STORAGE SECTION. 000007 01 REC01 PIC 1(4) BIT. 000008 PROCEDURE DIVISION. 000009 P-START. 000010 COMPUTE REC01 = REC01 AND B"1000". 000011 STOP RUN.
C9121.cob 10: JMN9121I-W (STD)ブール演算子B-ANDは共通範囲外です．処理を続行します．
