MAPBDY (Map Boundary Information) Macro
The macro can be used to interpret the information that is retrieved by the EXTRACT macro for ID=BDY and MODE=T
If 'name' is omitted, MAPBDY is taken as default.
Format
Requirements for the caller
- RMODE:
- 24 or ANY
Parameters
- DSECT=NO | YES
- DSECT=YES specifies that a mapping DSECT is generated. If the operand
is omitted, inline code is generated.
Table 1 describes the mapping and contents of the DSECT fields.
Mapping
Field Name | No. of Bytes | Contents |
---|---|---|
VPBEGIN | 4 | Virtual partition start address; corresponds to the latest allocation. |
VPEND | 4 | Logical end of virtual partition (last addressable byte, GETVIS area excluded). |
VPGEND | 4 | Physical end of virtual partition (last addressable byte, GETVIS area included); corresponds to the latest allocation. |
RPBEGIN | 4 | Real partition start address; corresponds to the latest allocation. |
RPEND | 4 | Real partition end address (last addressable byte); corresponds to the latest allocation. |