Input parameter list

R1 must contain the address of a parameter list, consisting of a list of addresses (OS linkage). Each address in the parameter list points to a parameter as described.
Table 1. HFZNDFUE input parameters.

Parameter Number of bytes Description
Parameter 1 256 User work area
Parameter 2 4 Abend code
Parameter 3 4 Transaction ID
Parameter 4 8 Abending program name