HSRP-IOL, F$R2

* 0071-001-H001 (HSRP-IOL) DRAWING NO. 41286165-001-01 PAGE 9

0401 * NO REGISTER PRESERVATION IS ATTEMPTED. IT IS ASSUMED THAT THE 0402 * MODULES C$IS, C$OP, C$SI, I$PK, O$PK AND O$PKP WILL PRESERVE THE 0403 * CONTENT OF THE X-REGISTER, AND, IN ADDITION, THAT C$SI WILL 0404 * PRESERVE THE CONTENT OF THE B-REGISTER. 0405 * THE FOLLOWING RECORD FORMATS ARE USED AND ASSUMED: 0406 * 0407 * SOURCE (EXCEPT FOR LISTING): 0408 * 0409 * LF, TEXT, CR, DC3, DEL 0410 * 0411 * DC3 AND DEL ARE ESSENTIAL ONLY FOR SUBSEQUENT ASR INPUT. 0412 * 0413 * SOURCE (LISTING): 0414 * 0415 * CR, LF (ONE OR MORE), TEXT 0416 * 0417 * OBJECT: 0418 * 0419 * SOH ('201), DATA WORDS (UP TO 60), DC3, DEL 0420 * 0421 * THE DATA WORDS ARE IN INVISIBLE FORMAT. 0422 * 0423 * END OF TEXT: 0424 * 0425 * ETX ('003 OR '203), DC3, DEL 0426 * 0427 * PARITY, AS DETERMINED BY THE APPROPRIATE INPUT (C$IP) AND OUTPUT 0428 * (C$OP) PARITY ROUTINES BEING USED. IS ALWAYS ADDED WHEN PUNCHING 0429 * SOURCE AND ALWAYS CHECKED WHEN READING SOURCE. EXCEPT THAT LEADER 0430 * IS ALWAYS PUNCHED AS '000 AND THE CHARACTER '000 (BLANK TAPE) IS 0431 * ACCEPTED BY THE STANDARD FORCED-EIGHT VERSION OF C$OP AS LEGAL. 0432 * PARITY IS NEVER ADDED OR CHECKED WHEN HANDLING OBJECT. 0433 * 0434 * THE FOLLOWING CHARACTERS RECEIVE SPECIAL TREATMENT ON SOURCE INPUT: 0435 * 0436 * NUL ('000 OR '200), LF ('015 OR '215) AND DEL ('177 OR '377) ARE 0437 * IGNORED. 0438 * 0439 * BACKSLASH ('134 OR '334) IS INTERPRETED AS A TAB CHARACTER. AND 0440 * CAUSES SPACES ('240) TO BE INSERTED INTO THE INPUT BUFFER FROM 0441 * THE CURRENT CHARACTER POSITION TO THE NEXT CHARACTER POSITION 0442 * DETERMINED IN THE TAB TABLE (C$TT). EXCESS TAB CHARACTERS ARE 0443 * INSERTED AS SINGLE SPACES. 0444 * 0445 * BS ('010 OR '310). I.E. CONTROL 'H' CAUSES THE PREVIOUS CHARACTER 0446 * TO BE DELETED. 0447 * 0448 * LEFT ARROW ('137 OR '337) CAUSES THE CURRENT RECORD TO BE DELETED 0449 * IN ITS ENTIRETY AND THE NEXT RECORD TO BE PROCESSED. 0450 *