Output registers
When control returns to the caller, the general purpose registers
(GPRs) contain:
| Register | Contents |
|---|---|
| 0 | Reason code. |
| 1 | Used as a work register by CAZAPA01. |
| 2-13 | Unchanged. |
| 14 | Used as a work register by CAZAPI01. |
| 15 | Return code. |
When control returns to the caller, the access registers (ARs)
contain:
| Register | Contents |
|---|---|
| 0 | Used as a work register by CAZAPI01. |
| 1-15 | Unchanged. |