Adabas Control Block Structure

ACB Control Block

DSECT Name Field Control Block Position Offset Length (in Bytes) Format
ACBTYPE Call Type 1 00 1 binary
reserved (reserved) 2 01 1 binary
ACBCMD Command Code 3-4 02 2 alphanumeric
ACBCID Command ID 5-8 04 4 alphanumeric / binary
ACBFNR File Number 9-10 08 2 binary
ACBRSP Response Code 11-12 0A 2 binary
ACBISN ISN 13-16 0C 4 binary
ACBISL ISN Lower Limit 17-20 10 4 binary
ACBISQ ISN Quantity 21-24 14 4 binary
ACBFBL Format Buffer Length 25-26 18 2 binary
ACBRBL Record Buffer Length 27-28 1A 2 binary
ACBSBL Search Buffer Length 29-30 1C 2 binary
ACBVBL Value Buffer Length 31-32 1E 2 binary
ACBIBL ISN Buffer Length 33-34 20 2 binary
ACBCOP1 Command Option 1 35 22 1 alphanumeric
ACBCOP2 Command Option 2 36 23 1 alphanumeric
ACBADD1 Additions 1 37-44 24 8 alphanumeric / binary
ACBADD2 Additions 2 45-48 2C 4 alphanumeric / binary
ACBADD3 Additions 3 49-56 30 8 alphanumeric
ACBADD4 Additions 4 57-64 38 8 alphanumeric
ACBADD5 Additions 5 65-72 40 8 alphanumeric / binary
ACBCMDT Command Time 73-76 48 4 binary
ACBUSER User Area 77-80 4C 4 not applicable

ACBX Control Block

DSECT Field Name Field Control Block Position Offset Length (in bytes) Format
ACBXTYP Call Type 1 00 1 binary
ACBXRSV1 Reserved 1 2 01 1 binary
ACBXVER Version Indicator 3-4 02 2 binary
ACBXLEN ACBX Length 5-6 04 2 binary
ACBXCMD Command Code 7-8 06 2 alphanumeric
ACBXRSV2 Reserved 2 9-10 08 2 binary
ACBXRSP Response Code 11-12 0A 2 binary
ACBXCID Command ID 13-16 0C 4 alphanumeric/ binary
ACBXDBID Database ID 17-20 10 4 numeric
ACBXFNR File Number 21-24 14 4 numeric
ACBXISNG 8-Byte ISN 25-32 18 8 do not use
ACBXISN ISN 29-32 1C 4 binary
ACBXISLG 8-Byte ISN Lower Limit 33-40 20 8 do not use
ACBXISL ISN Lower Limit 37-40 24 4 binary
ACBXISQG 8-Byte ISN Quantity 41-48 28 8 do not use
ACBXISQ ISN Quantity 45-48 2C 4 binary
ACBXCOP1 Command Option 1 49 30 1 alphanumeric
ACBXCOP2 Command Option 2 50 31 1 alphanumeric
ACBXCOP3 Command Option 3 51 32 1 alphanumeric
ACBXCOP4 Command Option 4 52 33 1 alphanumeric
ACBXCOP5 Command Option 5 53 34 1 alphanumeric
ACBXCOP6 Command Option 6 54 35 1 alphanumeric
ACBXCOP7 Command Option 7 55 36 1 alphanumeric
ACBXCOP8 Command Option 8 56 37 1 alphanumeric
ACBXADD1 Additions 1 57-64 38 8 alphanumeric/ binary
ACBXADD2 Additions 2 65-68 40 4 binary
ACBXADD3 Additions 3 69-76 44 8 alphanumeric/ binary
ACBXADD4 Additions 4 77-84 4C 8 alphanumeric
ACBXADD5 Additions 5 85-92 54 8 alphanumeric/ binary
ACBXADD6 Additions 6 93-100 5C 8 alphanumeric/ binary
ACBXRSV3 Reserved 3 101-104 64 4 binary
ACBXERRG Error Offset in Buffer (64-bit) 105-112 68 8 do not use
ACBXERRA Error Offset in Buffer (32-bit) 109-112 6C 4 binary
ACBXERRB Error Character Field 113-114 70 2 alphanumeric
ACBXERRC Error Subcode 115-116 72 2 binary
ACBXERRD Error Buffer ID 117 74 1 alphanumeric
ACBXERRE Reserved for future use 118 75 1 do not use
ACBXERRF Error Buffer Sequence Number 119-120 76 2 numeric
ACBXSUBR Subcomponent Response Code 121-122 78 2 binary
ACBXSUBS Subcomponent Response Subcode 123-124 7A 2 binary
ACBXSUBT Subcomponent Error Text 125-128 7C 4 alphanumeric
ACBXLCMP Compressed Record Length 129-136 80 8 binary
ACBXLDEC Decompressed Record Length 137-144 88 8 binary
ACBXCMDT Command Time 145-152 90 8 binary
ACBXUSER User Area 153-168 98 16 not applicable
ACBXRSV4 Reserved 4 169-193 A8 24 do not touch