Assembler Opcodes which should exist PROPOSED ADDITIONS TO THE IBM INSTRUCTION SET MNEMONIC INSTRUCTION AAC ALTER ALL COMMANDS AAR ALTER AT RANDOM AB ADD BACKWARDS ACC ADVANCE CPU CLOCK AEE ABSOLVE ENGINEERING ERRORS AFVC ADD FINAGLE'S VARIABLE CONSTANT AIB ATTACK INNOCENT BYSTANDER AWTT ASSEMBLE WITH TINKER TOYS BAC BRANCH TO ALPHA CENTAURI BAF BLOW ALL FUSES BAFL BRANCH AND FLUSH BB SOMETHING TO KEEP AN IU GRAD'S BRAIN COMPANY BBIL BRANCH ON BURNED-OUT INDICATOR LIGHT BBT BRANCH ON BINARY TREE BBW BRANCH BOTH WAYS BCIL BRANCH CREATING INFINITE LOOP BDC BREAK DOWN AND CRY BDT BURN DATA TREE BEW BRANCH EITHER WAY BF BELCH FIRE BH BRANCH AND HANG BIRM BRANCH ON INDEX REGISTER MISSING BMR BRANCH MULTIPLE REGISTERS BOB BRANCH ON BUG BOD BEAT ON THE DISK BOHP BRIBE OPERATOR FOR HIGHER PRIORITY BOI BYTE OPERATOR IMMEDIATELY BPDI BE POLITE, DON'T INTERRUPT BPO BRANCH ON POWER OFF BRSS BRANCH ON SUNSPOT BSO BRANCH ON SLEEPY OPERATOR BST BACKSPACE AND STRETCH TAPE BW BRANCH ON WHIM CBNC CLOSE, BUT NO CIGAR CCD CLEAR CORE AND DUMP CDC CLOSE DISK COVER CDIOOAZ CALM DOWN, IT'S ONLY ONES AND ZEROES CEMU CLOSE EYES AND MONKEY WITH USER SPACE CH CREATE HAVOC CLBR CLOBBER REGISTER CLBRI CLOBBER REGISTER IMMEDIATELY CM CIRCULATE MEMORY CMD COMPARE MEANINGLESS DATA CML COMPUTE MEANING OF LIFE CNB CAUSE NERVOUS BREAKDOWN COLB CRASH FOR OPERATOR'S LUNCH BREAK CPPR CRUMPLE PRINTER PAPER AND RIP CRASH CONTINUE RUNNING AFTER STOP OR HALT CRB CRASH AND BURN CRN CONVERT TO ROMAN NUMERALS CS CRASH SYSTEM CSL CURSE AND SWEAR LOUDLY CU CONVERT TO UNARY CVG CONVERT TO GARBAGE CWOM COMPLEMENT WRITE-ONLY MEMORY CZZC CONVERT ZONE TO ZIP CODE DBTP DROP BACK TEN AND PUNT DBZ DIVIDE BY ZERO DC DIVIDE AND CONQUER DDC DALLY DURING CALCULATIONS DLN DON'T LOOK NOW... DMNS DO WHAT I MEAN, NOT WHAT I SAY DMPE DECIDE TO MAJOR IN PHYS. ED. DMPK DESTROY MEMORY PROTECT KEY DNPG DO NOT PASS GO DO DIVIDE AND OVERFLOW DOC DRIVE OPERATOR CRAZY DP PUNCH INVALID DPMI DECLARE PROGRAMMER MENTALLY INCOMPETENT DPR DESTROY PROGRAM DTC DESTROY THIS COMMAND DTE DECREMENT TELEPHONE EXTENSION DTVFL DESTROY THIRD VARIABLE FROM LEFT DW DESTROY WORLD EBB EDIT AND BLANK BUFFER EC EAT CARD ECO ELECTROCUTE COMPUTER OPERATOR EEOIFNO EXECUTE EVERY OTHER INSTRUCTION FROM NOW ON EFD EMULATE FRISBEE USING DISK PACK EIAO EXECUTE IN ANY ORDER EIOC EXECUTE INVALID OP-CODE EM EMULATE 407 EMPC EMULATE POCKET CALCULATOR EMSE EDIT AND MARK SOMETHING ELSE EMW EMULATE MATAG WASHER ENF EMIT NOXIOUS FUMES EP EXECUTE PROGRAMMER EPI EXECUTE PROGRAMMER IMMEDIATELY EROS ERASE READ-ONLY STORAGE EXOP EXECUTE OPERATOR EXPP EXECUTE POLITICAL PRISONER FLI FLASH LIGHTS IMPRESSIVELY FSM FOLD, SPINDLE AND MUTILATE FSRA FORMS SKIP AND RUN AWAY GCAR GET CORRECT ANSWER REGARDLESS GDP GRIN DEFIANTLY AT PROGRAMMER GFD GO FORTH AND DIVIDE GFM GO FORTH AND MULTIPLY HCF HALT AND CATCH FIRE HCP HIDE CENTRAL PROCESSOR IAE IGNORE ALL EXCEPTIONS IAI INQUIRE AND IGNORE IBP INSERT BUG AND PROCEED IIB IGNORE INQUIRY AND BRANCH ISC INSERT SARCASTIC COMMENTS JTZ JUMP TO TWILIGHT ZONE KCE KILL CONSULTANT ON ERROR LAP LAUGH AT PROGRAMMER LCC LOAD AND CLEAR CORE LPA LEAD PROGRAMMER ASTRAY LSPSW LOAD AND SCRAMPLE PSW MAZ MULTIPLY ANSWER BY ZERO MBF MULTIPLY AND BE FRUITFUL MBR MULTIPLY AND BE FRUITFUL MLR MOVE AND LOSE RECORD MST MOUNT SCOTCH TAPE MW MALFUNCTION WHENEVER MWAG MAKE WILD-ASSED GUESS MWT MALFUNCTION WITHOUT TELLING OML OBEY MURPHY'S LAWS P$*] PUNCH OBSCENITY PBC PRINT AND BREAK CHAIN PD PLAY DEAD PDSK PUNCH DISK PEHC PUNCH EXTRA HOLES IN CARDS PFD PUNT ON FOURTH DOWN PI PUNCH INVALID PLSC PERFORM LIGHT SHOW ON CONSOLE PNRP PRINT NASTY REPLIES TO PROGRAMMER POCL PUNCH OUT CONSOLE LIGHTS POPI PUNCH OPERATOR IMMEDIATELY PPSW PACK PROGRAM STATUS WORD PS* PUNCH OBSCENITY PSD PAUSE AND SMOKE DOPE PVLC PUNCH VARIABLE LENGTH CARD RA RANDOMIZE ANSWER RASC READ AND SHRED CARD RBT REWIND AND BREAK TAPE RCB READ COMMAND BACKWARDS RD REVERSE DIRECTIONS RDA REFUSE TO DISCLOSE ANSWER RDB RUN DISK BACKWARDS RDI REVERSE DUM IMMEDIATE RDS READ SIDEWAYS RIRG READ INTER-RECORD GAP RLI ROTATE LEFT INDEFINITELY ROC RANDOMIZE OP CODES ROO RUB OUT OPERATOR RPB READ PRINT AND BLUSH RPM READ PROGRAMMER'S MIND RRSGWSSNK ROUND AND ROUND SHE GOES, WHERE SHE STOPS, NOBODY KNOWS RSC READ AND SHRED CARD RSD ON READ ERROR SELF DESTRUCT RSTOM READ FROM STORE-ONLY MEMORY RT REDUCE THRUPUT RTS RETURN TO SENDER RWCR REWIND CARD READER SAI SKIP ALL INSTRUCTIONS SAS SIT AND SPIN SCCA SHORT CIRCUIT ON CORRECT ANSWER SFH SET FLAGS TO HALF-MAST SFT STALL FOR TIME SHAB SHIFT A BIT SHABM SHIFT A BIT MORE SIP STORE INDEFINITE PRECISION SLP SHARPEN LIGHT PEN SMR SKIP ON MEANINGLESS RESULT SOS SIGN OFF, STUPID SOT SIT ON A TACK SPD SPIN DRY DISC SPS SET PANEL SWITCHES SPSW SCRAMBLE PROGRAM STATUS WORD SQPC SIT QUIETLY AND PLAY WITH YOUR CRAYONS SRCC SELECT READER AND CHEW CARDS SRDR SHIFT RIGHT DOUBLE RIDICULOUS SRSD SEEK RECORD AND SCAR DISK SRZ SUBTRACT AND RESET TO ZERO SSJ SELECT STACKER AND JAM STA STORE ANYWHERE STROM STORE IN READ-ONLY MEMORY TARC TAKE ARITHMETIC REVIEW COURSE TDB TRANSFER AND DROP BITS TLO TURN INDICATOR LIGHTS OFF TN TAKE A NAP TPDH TELL PROGRAMMER TO DO IT HIM/HERSELF TPF TURN POWER OFF TPN TURN POWER ON TSH TRAP SECRETARY AND HALT TTA TRY, TRY AGAIN UCB UNCOUPLE CPU AND BRANCH UER UPDATE AND ERASE RECORD ULDA UNLOAD ACCUMULATOR UNPD UNPLUG AND DUMP UP UNDERSTAND PROGRAM UPCI UPDATE CARD IN PLACE WBI WATER BINARY TREE WBT WATER BINARY TREE WEMG WRITE EIGHTEEN MINUTE GAP WF WAIT FOREVER WHFO WAIT UNTIL HELL FREEZES OVER WI WRITE ILLEGIBLY WPM WRITE PROGRAMMER'S MIND WSWW WORK IN STRANGE AND WONDROUS WAYS WWLR WRITE WRONG-LENGTH RECORD XSP EXECUTE SYSTEMS PROGRAMMER ZAR ZERO ANY REGISTER More Assembler Opcodes which should exist MNEMONIC INSTRUCTION ---------- ------------- ABC AlphaBetize Code ACDP Allow Controller to die peacefully ACQT Advance Clock to Quitting Time AFH Align Fullword on Halfword Boundary AIB Attack Innocent Bystander AMS Add Memory to System ANFSCD And Now For Something Completely Different AOI Annoy Operator Immediate AR Alter Reality ARZ Add and Reset to Zero AWTT Assemble with Tinker Toys BA Branch Anywhere BAH Branch and Hang BAW Bells and Whistles BBW Branch Both Ways BCF Branch and Catch Fire BF Belch Fire BFM Be Fruitful and Multiply BLM Branch, Like, Maybe BLP Boot from Line Printer BLR Branch and Lose Return BOHP Bribe operator for higher priority BPP Branch & Pull Plug BST Backspace and Stretch Tape BWABL Bells, Whistles, and Blinking Lights CAIL Crash After I Leave CBBR Crash & Blow Boot ROM CCC Crash if Carry Clear CCD Clear Core and Dump COLB Crash for Operator's Lunch Break CPB Create Program Bug CRB Crash and Burn DBR Debase Register EDR Execute Destructive Read EFE Emulate Fatal Error EOI Explode On Interrupt EPITS Execute Previous Instruction Then Skip HACF Halt And Catch Fire HELP Type "No Help Available" HUAL Halt Until After Lunch IEOF Ignore End Of File IMV IMpress Visitors JCI Jump to Current Instruction JFM Jump on Full Moon JRCF Jump Relative and Catch Fire JRSR Jump to Random Subroutine KEPITU Kill Every Process In The Universe KSR Keyboard Shift Right LCC Load and Clear Core MAN Make Animal Noises MBTD Mount Beatles on Tape Drive MO Mount Operator MLB Memory Left shift and Branch NPC Normalize Program Counter PAUD PAUse Dramatically PFML Print Four Million Lines PPSW Pack Program Status Word UAI Use Alternate Instruction set WPET Write Past End of Tape Sperry (Unisys) 1100/90 Opcodes : AGB Add GarBage BBL Branch on Burned out Light BAH Branch And Hang BLI Branch and Loop Infinite BPB Branch on Program Bug BPO Branch if Power Off CPB Create Program Bug CRN Convert to Roman Numerals DAO Divide And Overflow ERS Erase Read-only Storage HCF Halt and Catch Fire IAD Illigical And IOR Illogical Or PAS Print And Smear RBT Read and Break Tape RPM Read Programmer's Mind RSD Read and Scramble Data XIO Execute Invalid Opcode Truly Sick Opcodes (Talisman/North-Keys) MNEMONIC INSTRUCTION -------- ------------- BAD Branch And Detonate BAS Branch And Shit BCA Branch to Current Address BFM Branch on Full Moon BIH Branch If Hung BOD Branch On Decadence BWR Branch When Ready DC Degauss Core DKR Destructive Keyboard Read DMS Dump Manual To Shredder DPB Delete Program Bug DPC Decrement Program Counter (usually followed by BIH) DUSR Delete User EMB Erase Microcode and Branch MCPU Melt CPU MIL Move to Illegal Location MPD Melt Peripheral Device MUI Move User to Illegal location OIH Orgasm If Hung OOB Orgasm On Branch RAD Radiate Data RFE Return from Fatal Error RMC Rotate MicroCode RPR Reset Programmer RRS Return from Random Subroutine RSR Rotate Status Registers RWC Reset World to system Clock RXF Reverse eXecution Flow SPI Skip Previous Instruction WTR Write To ROM WUM Write to User Memory