Hexadecimal Field
Displacement Name
A4
A8
A8BO B4
B8
B8IOBECBPT DS IOBFLAG3 DS IOBBCSW EQU IOBCSW DS IOBSTART DS IOBDCBPT DS IOBEND FCBEND DS DS FCBENSIZ EQU A OX 16 8X A A ox
aDFCBSECT Field Description, Contents, Eeaning A(event control block) -see IBADECB DSECT I/O error flag
Displacement ofCSi in lOB Last CCW stored (that is, residual ceunt) X'It-NEXT BUFFER',AL3(INITIAL BUFFER) A(data control rlock) End ef input/output tlock
End ofFCE, JFCB, DEB, and lOB blocks (*-FCBSECT)/8 Size of FCB entry in dourlewords Section 2. CES rata Areas and Contrel Blocks 183
Displacement Name
A4
A8
A8
B8
B8
aD
Displacement of
End of