HSRP-IOL, F$R2

* 0071-001-H001 (HSRP-IOL) DRAWING NO. 41286165-001-01 PAGE 6

0251 * DAC BUFFER ADDRESS C$OP 0252 * (RETURN) O$PK 0253 * C$OE 0254 * (IDENTICAL WITH O$PAE) 0255 * 0256 * O$PS CALL O$PS C$OP NONE 0257 * (RETURN) O$PK 0258 * (IDENTICAL WITH O$PSS, O$PSE AND F$D2) 0259 * 0260 * I$PB CALL I$PB I$PO CK CHECKSUM ERROR 0261 * DAC BUFFER ADDRESS C$ER 0262 * (END OF TEXT RETURN) 0263 * (NORMAL RETURN) 0264 * 0265 * O$PB CALL O$PB O$PO NONE 0266 * DAC BUFFER ADDRESS 0267 * (RETURN) 0268 * 0269 * FIRST WORD OF BUFFER MUST 0270 * CONTAIN NUMBER OF DATA WORDS 0271 * FOLLOWING 0272 * 0273 * O$PSO CALL O$PSO O$PK NONE 0274 * (RETURN) 0275 * 0276 * I$PO LDA BUFFER ADDRESS I$PK BL BLOCK LENGTH 0277 * CALL I$PO C$ER ERROR 0278 * (END OF TEXT RETURN) C$IS 0279 * (NORMAL RETURN) 0280 * 0281 * A-REG. ON RETURN: 0282 * ZERO - CHECKSUM AGREEMENT 0283 * NON-ZERO - CHECKSUM DISCREPANCY 0284 * 0285 * O$PO LDA BUFFER ADDRESS O$PK NONE 0286 * LDX MINUS NO. OF DATA WORDS C$SI 0287 * CALL O$PO 0288 * (RETURN) 0289 * 0290 * O$PLDR CALL O$PLDR O$PK NONE 0291 * (RETURN) O$POFF 0292 * 0293 * O$PKP LDA W O$PK NONE 0294 * CALL O$PKP 0295 * (RETURN) 0296 * 0297 * W IS A WORD WHICH INCLUDES THE 0298 * CHARACTER TO BE PUNCHED IN BITS 0299 * 1-8. ON RETURN. W IS PRESERVED 0300 * EXCEPT FOR BITS 1-8 PARITY