Comparison of SDF and ISP statements

The following table lists the statements in SDF format together with the corresponding statements in ISP format and a brief description of the most important differences.

SDF statement	ISP equivalent	Differences in function
ASSIGN-INPUT-FILE	FILIN	File attributes which are to differ from the default values: must be assigned via /ADD-FILE-LINK command in SDF format; can be assigned via /FILE command or a FILIN statement in ISP format.
ASSIGN-INPUT-TAPE	VOLIN	---
ASSIGN-OUTPUT-FILE	FILOUT	File attributes which are to differ from the default values: must be assigned via /ADD-FILE-LINK command in SDF format; can be assigned via /FILE command or a FILOUT statement in ISP format.
ASSIGN-OUTPUT-TAPE	VOLOUT	---
CHANGE-INPUT-TAPEPOSITION	POSIT	---
END	END/HALT	---
MODIFY-PERCON-OPTIONS	PARAM	---
RESET-INPUT	RESET	In SDF format this function is independent of the input medium.
SELECT-INPUT-RECORDS	SELECT	---
SET-GROUP-ATTRIBUTES	GROUP	---
SET-PAGE-LAYOUT	FORMAT	---
SET-RECORD-MAPPING	RECORD	---
START-CONVERSION	START	---
START-TAPE-PROCESSING	EDIT	---