B757 CREW HELD THE WRONG DIRECTION AT A CHARTED HOLDING PATTERN.

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OUR ACFT WAS FLYING THE BUNTS ONE ARR INTO PHL. WE HAD BEEN DSNDING AND WERE GIVEN A HOLD AT BUNTS AS PUBLISHED; MAINTAIN SPD OUR DISCRETION. ZNY CONTINUED TO MAKE RADIO CALLS TO US FOR ALT CHANGES; TO INFORM US RADAR SVC WAS TERMINATED; INQUIRE ABOUT OUR ALT AND THEN SWITCH US OVER TO PHL APCH CTL. IN THIS PROCESS OF ADHERENCE TO ZNY'S INSTRUCTIONS; WE ENTERED THE HOLDING FIX INFO INTO OUR FMC AND EXECUTED IT; PRIOR TO CHKING WITH EACH OTHER. OUR NORMAL FLOW OF XCHKING BECAME DISRUPTED BY A BREAKDOWN IN THE WORKLOAD TASKS. PF COULD HAVE BEEN MADE USEFUL TO ANSWER ATC; WHILE PNF ENTERED HOLDING FIX DATA AND XCHKING; WOULD NOT HAVE BEEN INTERRUPTED. THE B757-200 FMC DEFERS ALL HOLDING INFO INTO R TURNS. THIS BREAKDOWN ON OUR PART FAILED TO PICK THIS UP. PNF WAS GIVING IOE INSTRUCTION TO PF AT THE TIME. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: PLT INDICATES THAT THE HOLD CLRNC WAS GIVEN AT THE LAST SECOND. THIS ALONG WITH A MULTITUDE OF OTHER CLRNCS AT A SPEECH RATE THAT BORDERED ON UNINTELLIGIBLE. COCKPIT FMS OPERATING PROTOCOL BROKE DOWN BECAUSE OF EXTREME TIME CONSTRAINTS.