Programming Requirements

1. The macro IWMYCON must be included to use this macro.
2. The macro IWMPB must be in the library concatenation, since it is included by IWMYCON.
3. Note that the high order halfword of 31-Bit register 0, and the reason code variable when specified, may be non-zero and represents diagnostic data which is NOT part of the external interface. The high order halfword should thus be excluded from comparison with the reason code values described above. The constant, IWMRSNCODE_MASK_CONST defined in IWMYCON, may be used for this purpose.
4. For ASSEMBLER programmers an Assembler that supports the new z/Architecture instructions and the relative Branch (Jxx) instructions (such as High-Level Assembler Release 4 or higher) is required.