xcall GETDEV, devstr

xcall GETDEV, unit, dev

GETDEV.SBR retrieves the current device information in one of two formats, as shown above.

Parameters

MAP1 Devstr,S,6      ! (e.g. "DSK1")

MAP1 Unit,B,2        ! (logical unit #)

MAP1 Dev,S,3         ! (e.g. "DSK")