How Are Data Passed From Jcl Parm To Assembler Program. And How Is Da

1.	How Are Data Passed From Jcl Parm To Assembler Program. And How Is Data Passed From A Calling Program To An Assembler Called Program?
Answer» By convention, general PURPOSE register 1 will have the address of the PARAMETER list. The list will be a list of pointers (ADDRESSES) to individual parameters. The CALL macro does this, but you can bypass the CALL macro and be CREATIVE on how you set up the parameter list. Don't FORGET the parameter must be on a fullword boundary. By convention, general purpose register 1 will have the address of the parameter list. The list will be a list of pointers (addresses) to individual parameters. The CALL macro does this, but you can bypass the CALL macro and be creative on how you set up the parameter list. Don't forget the parameter must be on a fullword boundary.

How Are Data Passed From Jcl Parm To Assembler Program. And How Is Data Passed From A Calling Program To An Assembler Called Program?

Answer»

By convention, general PURPOSE register 1 will have the address of the PARAMETER list. The list will be a list of pointers (ADDRESSES) to individual parameters. The CALL macro does this, but you can bypass the CALL macro and be CREATIVE on how you set up the parameter list. Don't FORGET the parameter must be on a fullword boundary.

By convention, general purpose register 1 will have the address of the parameter list. The list will be a list of pointers (addresses) to individual parameters. The CALL macro does this, but you can bypass the CALL macro and be creative on how you set up the parameter list. Don't forget the parameter must be on a fullword boundary.

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