Type ASSEMBLE
Source Lines : 522
Fixes Applied : 5
Most Recent Version : Thursday, December 7, 1978
Last Fix ID : [HRC202DK]

Function

           TO COMMUNICATE WITH THE OPERATOR FOR THE
           ENHANCEMENT OF ERROR RECOVERY PROCEDURES.

Operation

               WHEN IT IS NECESSARY THAT THE OPERATOR BE
               INFORMED OF AN ERROR CONDITION.
            B. THE 'MSGPARM' FIELD WHICH WAS CONSTRUCTED BY
               THE ERP ROUTINE CONTAINS A 'MESSAGE INDEX
               POINTER' AND FLAG SETTINGS FOR VALIDATING THE
               OPERATOR'S RESPONSE. THE INFORMATION TO BE
               DISPLAYED MAY BE AN ACTION,DECISION,OR
               INFORMATIONAL MESSAGE WITH OR WITHOUT AN
               OPERATOR REPLY.
            C. THE CONTENTS OF THE MESSAGE WILL BE EXTRACTED
               FROM THE FOLLOWING :
              IOERBLOK - CSW, SENSE DATA, AND COMMAND CODE.
              RDEVBLOK - CHANNEL,CONTROL UNIT AND DEVICE
              VMBLOK   - USERID.
              MSGPARM  - INDICATOR BYTE AND VALID RESPONSES.
              MSGPARM - - INDEX BYTE TO MESSAGE TEXT TABLE.

Calls to Other Routines

      DMKCVTBH - TO CONVERT BINARY TO UNPACKED DECIMAL.
      DMKQCNWT - TO ISSUE MESSAGES ON OPERATORS CONSOLE.
      DMKQCNRD - TO READ OPERATOR'S RESPONSE.
      DMKFREE - TO OBTAIN STORAGE FOR A MESSAGE BUFFER.
      DMKFRET - TO RETURN STORAGE OBTAINED BY DMKFREE.
      DMKSCNRN - TO OBTAIN 'TYPE' DEVICE FOR MSG LINE