gtps1m3vSystem Macros

MSDAC-Mount a Symbolic Device Address (SDA)

Use this system macro to perform a software mount of a symbolic device address (SDA) that is associated with an input/output (I/O) device. This allows the SDA to be used by the TPF system to perform I/O operations through common I/O (CIO).

Format




label
A symbolic name can be assigned to the macro statement.

MDR
The mount device request (MDR) block, which can be either:

label
A symbol can be assigned to an area of memory that contains an MDR as defined by the DCTMDR DSECT.

(reg)
A register that contains the address of the MDR.

Entry Requirements

Return Conditions

Programming Considerations

Examples

None.