. I am looking at Sub System Interface Function Codes 04, 08, 10. and 50. . I Understand there's a protocol for providing response codes using SSOBRETN and Register 15 - .. What if upon entry to an SSI Function Routine Register 1 and Register 0 are corrupted or the respective eyecatcher's in the SSOB and/or SSCVT are not what is expected ? I don't think abending is acceptable as I suspect that would stop the scan of the SSCVT chain ? Correct ? . So what is the recommended action when Register 1 or Register 0 have been corrupted upon entry to a SSI Function Routine ? . paul dange;o
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