The following discussion applies to the DATA, REFBEFOR and REFAFTER parameters when you specify multiple targets and use base/displacement shorthand.
The first direct or indirect address is written out completely and establishes the base. Subsequent addresses are written as plus or minus displacements from the base. For example,
is written using shorthand form as
You must establish a direct or indirect base address before using
displacements. In the following example, 2R specifies the contents
of general purpose register 2, not an address. Therefore, the example
using a +6 displacement is incorrect.
2R,EQ,C12,+6,NE,D01