gtpg2m1zGeneral Macros

FA4X4C-Convert a File Address

Use this general macro to do the following:

Format




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

FA4=(reg)|label1
The label or general register (R1-R7, R14, R15) containing the location of a 4-byte file address.

FA8=(reg)|label2
The label or general register (R1-R7, R14, R15) containing the location of an 8-byte file address.

ACTION
Specifies the type of file address conversion to perform.

4TO8
Indicates that the FA4 parameter contains a 4-byte file address, which is used as input to the file address conversion. The corresponding 8-byte file address in 4x4 format will be returned in the location represented by the FA8 parameter.

8TO4
Indicates that the FA8 parameter contains an 8-byte file address in 4x4 format, which is used as input to the file address conversion. The corresponding 4-byte file address will be returned in the location represented by the FA4 parameter.

ERROR=label3
The label in which to branch if an error occurs during macro processing.

Entry Requirements

None.

Return Conditions

Programming Considerations

Examples

None.