Library /sys$common/syshlp/dbg$help.hlb DEBUG, GO, Parameters  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 address-expression

    Specifies that program execution resume at the location denoted
    by the address expression. If you do not specify an address
    expression, execution resumes at the point of suspension or,
    in the case of debugger startup, at the image transfer address.