Here's my canonical alphabetized list of assembler opcodes
that really ought to exist somewhere. It is the combination of all
the lists of such opcodes I have seen. I welcome any new ones you
may wish to contribute!
AAC Alter All Commands
AAD Alter All Data
AAO Add And Overflow
AAR Alter At Random
AB Add Backwards
ABC Alpha betize Code
ABR Add Beyond Range
AC Annoy Consultant
ACC Advance CPU Clock
ACDC Allow Controller to Delete Contents
ACDP Allow Controller to Die Peacefully
ACQT Advance Clock to Quitting Time
ADB Another Damn Bug
AEE Absolve Engineering Errors
AFF Add Fudge Factor
AFHB Align Fullword on Halfword Boundary
AFP Abnormalize Floating Point
AFR Abort Funny Routine
AFVC Add Finagle's Variable Constant
AGB Add Gar bage
AGWA Add and Get Wrong Answer
AI Add Improper
AIB Attack Innocent Bystander(s)
AISG Access and Improve Student Grade
AMM Add Mayo and Mustard/ Answer My Mail
AMS Add Memory to System
ANFSCD And Now For Something Completely Different
AOI Annoy Operator Immediate
AR Advance Rudely/ Alter Reality
ARN Add and Reset to Non-zero
ARZ Add and Reset to Zero
AS Add Sideways
AT Accumulate Trivia
AWP Argue With Programmer
AWTT Assemble With Tinker Toys
BA Branch Anywhere
BAC Branch to Alpha Centauri
BAD Branch And Die/ Branch to Auto Destruct
BAF Blow All Fuses
BAFL Branch And Flush
BAH Branch And Hang
BALC Branch And Link Cheeseburger
BAP Branch And Punt
BAW Bells And Whistles
BB Branch on Bug
BBBB Byte Baudy Bit and Branch
BBD Branch on Bastille Day
BBI Branch on Burned-out Indicator
BBIL Branch on Burned-out Indicator Light
BBLB Branch on Blinking Light Bulb
BBT Branch on Binary Tree
BBW Branch Both Ways
BCB Burp and Clear Bytes
BCF Branch and Catch Fire
BCF Branch on Chip box Full
BCIL Branch Creating Infinite Loop
BCR Backspace Card Reader
BCS Branch and Crash System
BCU Be Cruel and Unusual
BD Backspace Disk/ Branch to Data
BDC Break Down and Cry
BDI Branch to Data Indirect
BDM Branch and Disconnect Memory
BDT Burn Data Tree
BDU Branch on Dense User
BE Branch Everywhere
BEW Branch Either Way
BF Belch Fire
BFD Branch on Full Disk
BFF Branch and Form Feed
BFM Be Fruitful and Multiply
BH Branch and Hang
BI Branch Indefinitely
BIR Branch Inside Ranch
BIRM Branch on Index Register Missing
BL Branch and Leak
BLC Branch and Loop Continuous
BLI Branch and Loop Infinite
BLM Branch, Like, Maybe
BLMWM Branch, Like, Maybe, Wow, Man
BLP Boot from Line Printer
BLR Branch and Lose Return
BLSH Buy Low, Sell High
BM Branch Maybe
BMI Blow up Memory Immediate/ Branch on Missing Index/ Branch
to Muncee Immediate
BMP Branch and Make Popcorn
BMR Branch Multiple Registers
BMUS Beam Me Up, Scotty
BNA Branch to Nonexistant Address
BNCB Branch and Never Come Back
BNR Branch for No Reason
BO Branch and Overheat
BOB Branch On Bug
BOD Beat On Disk/ Branch on Operator Desperate
BOH Branch On Humidity/ Branch on Operator High
BOHP Bribe Operator for Higher Priority
BOI Byte Operator Immediately
BOP Boot Operator
BOT Branch On Tree
BPB Branch on Program Bug
BPDI Be Polite, Don't Interrupt
BPIM Bury Programmer In Manuals
BPL Branch P- Lease
BPO Branch on Power Off/ Branch on Power On
BPP Branch and Pull the Plug
BR Byte and Run
BRA Branch to Random Address
BRB Branch on Beaver
BS Behave Strangely
BSC Branch on Second Coming/ Burst Selector Channel
BSD Backspace Disk
BSI Back-up Sewer Immediately
BSM Branch and Scramble Memory
BSO Branch on Sleepy Operator
BSP Back space Punch
BSR Branch and Stomp Registers
BSS Branch on Sun spot
BSST Back space and Stretch Tape
BTD Branch on Time of Day
BTD Byte The Dust
BTJ Branch and Turn Japanese
BTO Branch To Oblivion
BTW Branch on Third Wednesday
BU Branch Unexpectedly
BUTI Blow- Up Terminal Immediately
BVS Branch and Veer South
BW Branch on Whim
BWBL Bells, Whistles, and Blinking Lights
BWC Branch When Convenient
BWF Busy -- Wait Forever
BWOP Be wilder Operator
BYDS Beware Your Dark Side
BYTE Byte Test
CAC Calling All Cars/ Cash And Carry
CAF Convert ASCII to Farsii
CAI Corrupt Accounting Information
CAIL Crash After I Leave
CAR Cancel Accounts Receivable
CAT Confused And Tired
CB Consult Bozo/ Crash and Burn
CBA Compare and Branch Anyway
CBBR Crash and Blow Boot Read - memory only
CBNC Close, But No Cigar
CBS Clobber Boot strap
CC Call Calvery/ Compliment Core
CCB Chocolate Chip Byte-mode
CCB Consult Crystal Ball
CCC Crash if Carry Clear
CCCP Conditionally Corrupt Current Process
CCD Choke, Cough and Die/ Clear Core and Dump
CCR Change Channels at Random
CCS Chinese Character Set
CCWR Change Color of Write Ring
CD Complement Disk
CDC Clear Disk and Crash/ Close Disk Cover
CDIOOAZ Calm Down, It's Only Ones And Zeroes
CDS Change Disk Speed
CEMU Close Eyes and Monkey with User space
CEX Call Exterminator
CF Come From (replaces GOTO)
CFE Call Field Engineer
CFL Convert Floating to Logical
CFP Convert Fortran to Pascal/ Change and Forget Password
CFS Corrupt File Structure
CG Convert to Garbage
CH Create Havoc
CHCJ Compare Haig to Christine Jorgensen
CHPAMR CHase Pointers Around Machine Room
CHSE Compare Half-words and Swap if Equal
CIB Change Important Byte
CIC Cash In Chips
CID Compare and Ignore Data
CIMM Create Imaginary Memory Map
CIZ Clear If Zero
CM Circulate Memory/ Create Memory
CMD CPU Melt Down
CMD Compare Meaningless Data
CMI Clobber Monitor Immediate
CML Compute Meaning of Life
CMP Create Memory Prosthesis
CMS Click Micro switch
CN Compare Nonsensically
CNB Cause Nervous Breakdown
CNS Call Nonexistent Subroutine
COD Crash On Demand
COLB Crash for Operator's Lunch Break
COM Clear Operator's Mind
CON Call Operator Now
COTS Copy Object Code To Source
COWYHU Come Out With Your Hands Up
CP Compliment Programmer
CP%FM CPU -- Flakeout Mode
CP%WM CPU -- Weird Mode
CPB Create Program Bug
CPN Call Programmer Names
CPPR Crumple Printer Paper and Rip
CR Clobber Register
CRI Clobber Register Immediate
CRASH Continue Running After Stop or Halt
CRD Confirm Rumor by Denial
CRM Clear Random Memory
CRN Compare with Random Number/ Convert to Roman Numerals
CRYPT re Cu Rsive encr YPt Tape
CS Crash System
CSL Curse and Swear Loudly
CSN Call Supervisor Names
CSNIO Crash System on Next I/O
CSS Crash Subsidiary Systems
CSU Call Self Unconditional
CTDMR Change Tape Density, Mid Record
CTT Call Time and Temperature
CU Convert to Unary
CUC Cheat Until Caught
CWB Carry With Borrow
CWDC Cut Wires and Drop Core
CWG Chase Wild Goose
CWGC Chase Wild Goose Chase
CWGK Compare Watt to Genghis Khan
CWH Create Woman and Hold
CWIT Compare Watt to Ivan the Terrible
CWM Compare Watt to Mussolini
CWOM Complement Write- Only Memory
CZZC Convert Zone to Zip Code
DA Develop Amnesia
DAB Delete All Bugs
DAD Destroy A- Disk
DAP De-select Active Peripheral
DAUF Delete All Useless Files
DB Drop Bits
DBL Desegregate Bus Lines
DBR De- Base Register
DBTP Drop Back Ten and Punt
DBZ Divide By Zero
DC Divide and Conquer
DCAD Dump Core And Die
DCD Drop Cards Double
DCGC Dump Confusing Garbage to Console
DCI Disk Crash Immediate
DCON Disable Consle
DCT Drop Cards Triple
DCWPDGD Drink Coffee, Write Program, Debug, Get Drunk
DD Destroy Disk/ Drop Disk/ Drop Dead
DDC Dally During Calculations
DDOA Drop Dead On Answer
DDS Delaminate Disk Surface
DDWB Deposit Directly in Waste Basket
DEB Disk Eject, Both
DEC Decompile Executable Code
DEI Disk Eject Immediate
DEM Disk Eject Memory
DF Disable Fans
DFC Draw Flow chart
DGC De gauss Core
DGO Decrement the Grades of Others
DGT Dispense Gin and Tonic
DHTPL Disk Head Three Point Landing
DIA Develop Ineffective Address
DICE Delete Invalid Customer Engineer
DIE Disable Everything
DIF Disable Fuses
DIG Disable Gravity
DIH Disable Interrupts and Hang
DIIL Disable Interrupts and enter Infinite Loop
DIRFO Do It Right For Once
DISC Dismount CPU
DK Destroy Klingons
DKWMM Disk Unit-- Washing Machine Mode
DKP Disavow Knowledge of Programmer
DLN Don't Look Now
DLP Drain Literal Pool
DM Do Magic
DMNS Do what I Mean, Not what I Say
DMPE Decide to Major in Physical Education
DMPK Destroy Memory Protect Key
DMZ Divide Memory by Zero
DND Destroy Neighbor's Data
DNPG Do Not Pass Go
DO Divide and Overflow
DOC Drive Operator Crazy
DP Destroy Peripherals
DPC Double- Precision Crash/ Decrement Program Counter
DPCS Decrement Program Counter Secretly
DPMI Declare Programmer Mentally Incompetent
DPN Double Precision No-op
DPR Destroy Program
DPS Disable Power Supply
DR Detach Root
DRAM Decrement RAM
DRI Disable Random Interrupt
DROM Destroy ROM
DRT Disconnect Random Terminal
DS Deadlock System
DSI Do Something Interesting
DSO Disable System Operator
DSP Degrade System Performance
DSPK Destroy Storage Protect Key
DSR Detonate Status Register
DSTD Do Something Totally Different
DSUIT Do Something Utterly, Indescribably Terrible
DTSHO DecTape-- Spin Hubs Opposite
DTB Destructively Test Bit
DTC Destroy This Command
DTE Decrement Telephone Extension
DTI Do The Impossible
DTRT Do The Right Thing
DTUFF Dec Tape-- Unload and Flappa Flap
DTVFL Destroy Third Variable From Left
DU Dump User
DUD Do Until Dead
DW Destroy World
DWIM Do What I Mean
DWIT Do What I'm Thinking
EA Enable Anything
EAC Emulate Acoustic Coupler
EACL Enable AC to Logic Rack
EACO Enable AC to Operator
EBB Edit and Blank Buffer/ Empty Bit Bucket
EBR Erase Before Reading
EBRS Emit Burnt Resistor Smell
EC Eat Card
ECL Early Care Lace
ECO Electrocute Computer Operator
ECP Erase Card Punch
ED Eject Disk
ED Execute Data
EDD Eat Disk and Die
EDIT Erase Data and Increment Time
EDP Emulate Debugged Program
EDR Execute Destructive Read
EDS Execute Data Segment
EEOIFNO Execute Every Other Instruction From Now On
EEP Erase Entire Program
EFB Emulate Five-Volt Battery
EFD Eject Floppy Disk
EFD Emulate Frisbee using Disk pack
EFE Emulate Fatal Error
EG Enable Gravity
EHC Emulate Headless Chicken
EIAO Execute In Any Order
EIO EXecute Invalid Operation
EIOP Erase I/O Page
EIOPC Execute Invalid Op-code
EJD Eject Disk
EJD%V Eject Disk with initial velocity V
ELP Enter Loop Permenantly
EM Emulate 407/ Evacuate Memory
EMIF Erase Most Important File
EMM Emulate More Memory
EMSE Edit and Mark Something Else
EMSL Entire Memory Shift Left
EMT Electrocute Maintenance Technician
EMW Emulate Maytag Washer
END Erase Neighbor's Data
ENF Emit Noxious Fumes
ENO Emulate No- Op
EO Electrocute Operator
EOB Execute Operator and Branch
EOI Explode On Interrupt
EOS Erase Operating System
EP Execute Programmer
EPC Emulate Pocket Calculator
EPI Execute Programmer Immediate
EPITS Execute Previous Instruction Then Skip
EPL Emulate Phone Line
EPP Eject Printer Paper
EPS Electrostatic Print and Smear
EPS Execute Program Sideways
EPSW Execute Program Status Word
EPT Erase Process Table
EPT Erase Punched Tape
ERIC Eject Random Integrated Circuit
ERM Erase Reserved Memory
EROM Erase Read- Only Memory
EROS Erase Read- Only Storage
ESB Eject Selectric Ball
ESC Emulate System Crash
ESD Eat Shit and Die
ESD Eject Spinning Dish
ESL Exceed Speed of Light
ESS Enable Sprinkler System
ETI Execute This Instruction
ETM Emulate Trinary Machine
EVC Execute Verbal Commands
EWD Enter Warp Drive
EWM Enter Whimsy Mode
EXE Execute Engineer
EXO Execute Operator
EXP Execute Programmer
EXPP Execute Political Prisoner
FAY Fetch Amulet of Yendor
FB Find Bugs
FC Fry Console
FCJ Feed Card(s) and Jam
FD Forget Data
FDR Feed Disk Randomly
FERA Forms Eject and Run Away
FFF Form Feed Forever
FLD Fling Disk
FLI Flash Lights Impressively
FM Forget Memory
FMP Finish My Program
FOPC False Out-of- Paper Condition
FPC Feed Paper Continuously
FPT Fire Photon Torpedoes
FRG Fill with Random Garbage
FS Feign Sleep
FSM Fold, Spindle, and Mutilate
FSR Form Skip and Runaway
GAP Grade All Projects
GBB Go to Back of Bus
GCAR Get Correct Answer Regardless
GDP Grin Defiantly at Programmer
GDR Grab Degree and Run
GENT Generate Thesis
GEWJO Go to the End of the World and Jump Off
GFD Go Forth and Divide
GFM Go Forth and Multiply
GIE Generate Irreversible Error
GLC Generate Lewd Comment
GMC Generate Machine Check
GMCC Generate Machine Check and Cash
GND Guess at Next Digit
GREM Generate Random Error Message
GREP Global Ruin, Expiration, and Purgation
GRMC Generate Rubber Machine Check
GRS Go Real Slow
GS Get Strange
GSB Gulp and Store Bytes
GSI Generate Spurious Interrupts
GSU Geometric Shift Up
GTJ Go To Jail
HBW Hang Bus and Wait
HCF Halt and Catch Fire
HCP Hide Central Processor
HCRS Hang in Critical Section
HDH Hi Dee Ho
HDO Halt and Disable Operator
HDRW Halt and Display Random Word
HELP Hinder Everyone with Little Productivity/Type "No Help
Available"
HF Hide File
HGD Halt, Get Drunk
HH Halt and Hang
HHB Halt and Hang Bus
HIS Halt in Imposible State
HOO Hide Operator's Output
HRPR Hang up and Ruin Printer Ribbon
HSC Halt on System Crash
HSJ Halt, Skip and Jump
HTC Halt and Toss Cookies
HTS Halt and Throw Sparks
HUAL Halt Until After Lunch
HUP Hang- Up Phone
HWP Halt Without Provocation
IA Illocical And
IAE Ignore All Exceptions
IAI Inquire and Ignore
IAM Increment Arbitrary Memory
IAR Ignore All Requests
IB Insert Bug/ Impress Boyfriend
IBM Increment and Branch to Muncee
IBP Insert Bug and Proceed
IBR Insert Bugs at Random
ICB Interrupt, Crash and Burn
ICM Immerse Central Memory
ICMD Initiate Core Melt Down
ICRTSP Invert CRT Screen Picture
IDC Initiate Destruct Command
IDI Invoke Divine Intervention
IDNOP In direct No- OP
IDPS Ignore Disk Protect Switch
IEOF Ignore End- Of- File
IF Invoke Force
IG Impress Girlfriend
IGI Increment Grade Immediate
IGIT Increment Grade Immediate Twice
IGO Increment Grade Overnight
IHC Initiate Head Crash
II Inquire and Ignore
IIB Ignore Inquiry and Branch
IIC Insert Invisible Characters
IIL Irreversable Infinite Loop
IM Imagine Memory
IMBP Insert Mistake and Blame Programmer
IMP Imitate Monty Python
INI Ignore Next Instruction
IOI Ignore Operator's Instruction
IOR Illogical OR
IOS Ignore Operating System
IP Increment and Pray
IPI Ignore Previous Instruction
IPM Ignore Programmer's Mistakes
IPOP Interrupt Processor, Order Pizza
IPS Incinerate Power Supply
IPS Increment Power Supply
IPT Ignite Paper Tape
IR Instigate Rumor
IRB Invert Record and Branch
IRBI Insert Random Bits Indexed
IRC Insert Random Commands
IRE Insert Random Errors
IRI Ignore Rude Interrupts
IRPF Infinite Recursive Page Fault
IS Invert Stack
ISC Ignore Supervisor Calls/ Ignore System Crash/ Insert
Sarcastic Comments
ISI Increment and Skip on Inifinity
ISP Increment and Skip on Pi
ITML Initiate Termites into Macro Library
IU Ignore User(s)
IV Impress Visitors
IW Invalidate Warranty
IXOR Illogical e xclusive OR
IZ Ignore Zeroes
JAA Jump Almost Always
JAT Jump on Alternate Thursdays
JBS Jump and Blow Stack
JCI Jump to Current Instruction
JFM Jump on Full Moon
JHRB Jump to H& R Block
JLP Jump and Lose Pointer
JLR Jump and Lose Return
JN Jump to Nowhere
JNL Jump when programmer is Not Looking
JOB Jump On Beaver
JOM Jump Over Moon
JOP Jump Operator
JPA Jump when Pizza Arrives
JRAN Jump Random
JRCF Jump Relative and Catch Fire
JRGA Jump Relative and Get Arrested
JRL Jump to Random Location
JRSR Jump to Random Sub routine
JSC Jump on System Crash
JSU Jump Self Unconditional
JT Jump if Tuesday
JTT Jump and Tangle Tape
JTZ Jump to Twilight Zone
JWN Jump When Necessary
KCE Kill Consultant on Error
KDO Knock Disk Over
KEPITU Kill Every Process In The Universe
KOP Kill Operator
KP Krunch Paper
KPR Kill Programmer
KSR Keyboard Shift Right
KUD Kill User's Data
LAC Lose All Communication
LAGW Load And Go Wrong
LAP Laugh At Program(mer)
LCC Load and Clear Core
LCD Launch Cartridge Disk
LCK Lock Console Keyswitch
LEB Link Edit Backwards
LIA Load Ineffective Address
LIN Lose Inode Number
LM Lubricate Memory
LMB Lose Message and Branch
LMO Load and Mug Operator
LMYB Logical Ma ybe
LNP Load N digits of Pi
LOSM Log- off System Manager
LP%PAS Line Printer -- Print And Smear
LP%RDD Line Printer -- Reverse Drum Direction
LP%TCR Line Printer -- Tangle and Chew Ribbon
LPA Lead Programmer Astray
LPRTC Load Program counter from Real Time Clock
LR Load Revolver
LRA Load Retro actively
LRB Lose Record and Branch
LRD Load Random Data
LSPSW Load and Scramble PSW
LTS Link To Sputnik/ Loop Till Smokes
LWE Load What ever
LWOM Load Write- only Memory
MAB Melt Address Bus
MAN Make Animal Noises
MAZ Multiply Answer by Zero
MBC Make Batch Confetti
MBF Multiply and Be Fruitful
MBH Memory Bank Hold-up
MBTD Mount Beatles on Tape Drive
MBTOL Move Bug To Operator's Lunch
MC Move Continuous
MD Move Devious
MDB Move and Drop Bits
MDC Make Disk Crash
MDDHAF Make Disk Drive Hop Across Floor
MFO Mount Female Operator
MLP Make Lousy Program
MLP Multiply and Lose Precision
MLR Move and Lose Record
MLSB Memory Left Shift and Branch
MMF Melt Main Frame
MMLG Make Me Look Good
MNI Misread Next Instruction
MOG Make Operator Growl
MOP Modify Operator's Personality
MPLP Make Pretty Light Pattern
MRZ Make Random Zap
MSGD Make Screen Go Dim
MSP Mistake Sign for Parity
MSPI Make Sure Plugged In
MSR Melt Special Register
MST Mount Scotch Tape
MT%HRDV Mag Tape -- High speed Rewind and Drop Vaccuum
MTI Make Tape Invalid
MU Mount User (causes computer to screw you)
MUM Multi- Use Mnemonics
MW Malfunction Whenever
MW Multiply Work
MWAG Make Wild- Assed Guess
MWC Move and Wrap Core
MWT Malfunction Without Telling
NBC Negate By Clearing
NCW Notch Carriage and Way
NMI Negate Most Integers
NOP Needlessly Omit Pointer
NPC Normalize Program Counter
NTGH Not Tonight, I've Got a Headache
OBB Overflow Bit Bucket
OCF Open Circular File
OMC Obscene Message to Console
OML Obey Murphy's Laws
OPP Order Pizza for Programmer
OSI Overflow Stack Immediate
OSI Overflow Stack Indefinite
OTL Out To Lunch
P$*! Punch Obscenity
PA Punch in ASCII
PAS Print And Smear
PAZ Pack Alpha Zone
PADZ Pack Alpha and Drop Zones
PBC Print and Break Chain
PBD Print and Break Drum
PBM Pop Bubble Memory
PBPBPBP Place Backup in Plain Brown Paper Bag Please
PBST Play Batch mode Star Trek
PCB Pause for Coffee Break
PCD Punch Disk
PCI Pleat Cards Immediate
PCR Print and Cut Ribbon
PD Play Dead/ Pause Dramatically/ Punch Disk
PDLD Power Down and Lock Door (to computer room)
PDSK Punch Di sk
PEHC Punch Extra Holes In Cards
PEP Print on Edge of Paper
PFD Punt on Fourth Down
PFE Print Floating Eye
PFML Print Four Million Lines
PHO Pull Hair Out
PI Punch Invalid
PIBM Pretend to be an I B M
PIC Print Illegible/ Invalid Characters
PLSC Perform Light Show on Console
PNIH Place Needle in Haystack
PNRP Print Nasty Replies to Programmer
PO Punch Operator
POCL Punch Out Console Lights
POG Print Only Greek
POPI Punch Operator Immediate
POPN Punch Operator's Nose
PPA Print Paper Airplanes
PPL Perform Perpetual Loop
PPP Print Programmer's Picture
PPR Play Punk Rock
PPSW Pack Program Status Word
PS Print and Smear
PSP Print and Shred Paper
PSR Print and Shred Ribbon
PTP Produce Toilet Paper
PVLC Punch Variable Length Card
PWP Print Without Paper
PWS Create Po wer Surge
PYS Program Your self
QWYA Quit While Your Ahead
RA Randomize Answer
RAM Read Ambiguous Memory
RASC Read And Shred Card
RAST Read And Shred Tape
RAU Ridicule All Users
RBAO Ring Bell and Annoy Operator
RBG Read Blank Tape
RBLY Restore Back-up from Last Year
RBT Rewind and Break Tape
RC Rewind Core
RCAJ Read Card And Jam
RCB Read Command Backwards
RCB Run Clock Backwards
RCC Read Card and Chew
RCCP Randomly Corrupt Current Process
RCF Rewind Cabinet Fans
RCH Rewind and Crash Heads
RCKG Read/ Count Key and Garbage
RCL Rotate Carry Left
RCR Rewind Card Reader
RCRV Randomly Convert to Reverse Video
RCSD Read Card, Scramble Data
RD Randomize Data/ Reverse Directions/ Rotate Diagonally
RDA Refuse to Disclose Answer
RDB Replace Database with Blanks/ Run Disk Backwards
RDD Reverse Disk Drive
RDDBF Rock Disk Drive Back and Forth
RDEB Read and Drop Even number of Bits
RDF Randomize Directory Filenames
RDI Reverse Drum Immediate/ Rewind Disk Immediate
RDR Reverse Disk Rotation
RENVR R ename Variables Randomly
RET Read and Erase Tape
RF Read Fingerprints
RG Record Garbage
RHNEZ Randomize and Halt if Not Equal to Zero
RHO Randomize and Hold all Output
RIC Rotate Illogical thru Carry
RID Read Invalid Data
RIRG Read Inter- Record Gap
RIOP Rotate I/O Ports
RIR Read Invalid Record
RIRG Read Inter- Record Gap
RJE Return Jump and Explode
RLC Relocate and Lose Core/ Reread Last Card
RLI Rotate Left Indefinitely
RLP Refill Light Pen
RLP Rewind Line Printer
RLWC Rotate Left with Carolyn
RMF Ruin My Files
RMI Randomize Memory Immediate
RMM Read Manager's Mind
RMT Re move Trap
RMV Remove Memory Virtues
RN Read Noise
RNBS Reflect Next Bus Signal
RNR Read Noise Record
ROC Randomize Op Codes/ Rotate Outward from Center
ROM Read Operator's Mind
ROO Rub Out Operator
ROOP Run Out Of Paper
ROP Random Opcode (similar to 16-bit what gate)
ROPF Read Other People's Files
ROS Reject Operating System/ Return On Shield
RP Read Printer
RPB Raise Parity Bits
RPB Read Print and Blush
RPB R Reverse Parity and B ranch
RPC Rotate Program Counter
RPM Read Programmer's Mind
RPU Read character and Print Upsidedown
RRC Rotate Random thru Carry
RRR Randomly Rotate Register/ Read Record and Run away
RRRL Random Rotate Register Left
RRRR Random Rotate Register Right
RRSGWSSNK Round and Round She Goes, Where She Stops, Nobody Knows
RRT Record and Rip Tape
RS Random Slew
RSD on Read error Self- Destruct
RSOM Read from Store- Only Memory
RST Rewind and Stretch Tape
RSW Read Side ways
RT Reduce Throughput
RTS Return To Sender
RVAC Return from Vacation
RWE Run Without Error
RWF Read Wrong File
RWT Read/ Write While Stretching Tape
SA Store Anywhere
SAD Search And Destroy
SAI Skip All Instructions
SAK Snooze At Keyboard
SAS Show Appendix Scar/ Sit And Spin
SAWP Solve All the World's Problems
SBE Swap Bits Erratically
SBF Skip when Bitbucket Full
SC Scramble Channels/ Shred Cards
SCB Spindle Card and Belch
SCCA Short Circuit on Correct Answer
SCD Shuffle and Cut DEC
SCH Slit Cards Horizontal
SCI Shred Cards Immediate
SCM Set for Crash Mode
SCOM Set Cobol- Only Mode
SCRRC Scramble Register Contents
SCST Switch Channel to Star Trek
SCTR Stick Card To Reader
SD Scramble Directory/ Slip Disk
SDC Spool Disk to Console
SDD Spin Disc Dry
SDDB Snap Disk Drive Belt
SDE Solve Differential Equations
SDI Self Destruct Immediate
SDM Search and Destroy Memory
SDR Slam Down Rondo (worst soda ever made)
SEB Stop Eating and Burp
SEOB Set Every Other Bit
SEX Set Execution register
SFH Set Flags to Half-mast
SFP Send For Pizza
SFR Send For Reinforcements
SFT Stall For Time
SFTT Strip Form Tractor Teeth
SHAB S hift A Bit
SHABM Shift A Bit More
SHB Stop and Hang Bus
SHCD S huffle Card Deck
SHIT Stop Here If Thursday
SHON Simulate Honeywell CPU (permanent NO-OP)
SID Switch to Infinite Density
SIP Store Indefinite Precision
SJV Scramble Jump Vectors
SLP Sharpen Light Pen
SMC Scramble Memory Contents
SMD Spontaneous Memory Dump
SMR Skip on Meaningless Result
SMS Shred Mylar Surface
SNAFU System Needs A Fuck- Up
SNARF System Normalize and Reset Flags
SNM Show No Mercy
SNO Send Nukes on Overflow
SOB Shit On Byte/ Stew On Brew
SOD Surrender Or Die
SOL Shift On Low/ Shit Out of Luck
SOP Stop and Order Pizza
SOS Sign- Off, Stupid
SOT Sit On a Tack
SP Scatter Print(er)
SPA Sliding Point Arithmetic
SPB Simulate Peanut Butter
SPS Set Panel Switches
SPSW Scramble Program Status Word
SQPWYC Sit Quietly and Play With Your Crayon(s)
SRBO Set Random Bits to Ones
SRBZ Set Random Bits to Zeroes
SRC Select Random Channel
SRCC Select Reader and Chew Cards
SRD Switch to Random Density
SRDR Shift Right Double Ridiculous
SRO Sort with Random Ordering
SROS Store in Read- Only Storage
SRR Shift Registers Random
SRSD Seek Record and Scar/ Scratch Disk
SRTC Stop Real- Time Clock
SRU Signoff Random User
SRZ Subtract and Reset to Zero
SS Seek Spindle
SSB Scramble Status Byte
SSD Stacker Select Disk
SSJ Select Stacker and Jam
SSJP Select Stacker and Jum p
SSM Solve by Supernatural Means/ Stacker Select Memory
SSP Smoke and Spark
SST Seek and Stretch Tape
SSW Scramble Status Word
ST Set and Test
STA Store Anywhere
STC Slow To a Crawl
STD Stop, Take Drugs
STM Stretch Magtape
STM Skip on Third Monday
STO Strangle Tape Operator
STPR Sto p Rain
STROM Store in Read- Only Memory
STTHB Set Terminal to Three Hundred Baud
SUIQ Subtract User's IQ
SUME Suprise M e
SUP Solve Unsolvable Problem
SUR Screw Up Royally
SUS Stop Until Spring
SUS Subtract Until Senseless
SWAT Swap Terminals
SWN Swap Nibbles
SWOS Store in Write- Only Storage
SWS Sort to Wrong Slots
SWT Select Wrong Terminal
SWU Select Wrong Unit
SWZN Skip Whether Zero or Not
SZD Switch to Zero Density
TAH Take A Hike
TAI Trap Absurd Inputs
TARC Take Arithmetic Review Course
TBFTG Two Burgers and Fries To Go
TC Transmit Colors
TDB Transfer and Drop Bits
TDRB Test and Destroy Random Bits
TDS Trash Data Segment
TLNF Teach me a Lesson I'll Never Forget
TLO Turn indicator Lights Off
TLW Transfer and Lose Way
TN Take a Nap
TOAC Turn Off Air Conditioner
TOG Take Out Garbage
TOG Time Out, Graduate
TOH Take Operator Hostage
TOO Turn On/ Off Operator
TOP Trap Operator
TOS Trash Operating System
TPD Terminal Printer Destruct/ Total Program Diagnostic/ Triple
Pack Decimal
TPDH Tell Programmer to Do it Him/ Herself
TPO Turn Power On/ Off
TPR Tear Pape r
TR Turn into Rubbish
TRA Tp Rdls Abrs ( Type Ridiculous Abbreviations)
TRD Transfer and Drop Bit
TSH Trap Secretary and Halt
TSM Trap Secretary and Mount
TST Trash System Tracks
TT%CN Tele type -- Clunk Noise
TT%EKB Tele type -- Electrify Key board
TTA Try, Try Again
TTIHLIC Try To Imagine How Little I Care
TTITT Turn 2400 foot Tape Into Two 1200 foot Tapes
TTL Tap Trunk Line/ Time To Logoff
TYF Trust Your Feelings
UA Unload Accumulator
UAI Use Alternate Instruction set
UAPA(AM) Use All Power Available ( And More)
UCB Uncouple Cpu and Branch
UCK Unlock Console Keyswitch
UCLB Uncouple Com Lines and Branch
UCPUB Uncouple CPU and Branch
UDR Update and Delete Record
UER Update and Erase Record
UFO Unidentified Flag Operation
ULDA Un loa d Accumulator
UMR Unlock Machine Room
UNPD Unplug and Dump
UOP Useless O peration
UP Understand Program(mer)
UPA Use all Power Available
UPC Understand Program(mer)'s Comments
UPCI Update Card In Place
UPI Undo Previous Instruction
URB Update, Resume and Branch
UTF Unwind Tape onto Floor/ Use The Force
UUBR Use Undefined Base Register
VAX Violate All e xecutions
VFE Violate Field Engineer
VFO Violate Female Operator
VMA Violate Maintenance Agreement
VNO Violate Noise Ordinance
VPA Vanishing Point Arithmetic
VVM Vaporize Virtual Memory
WAD Walk Away in Disgust
WBB Write to the Bit Bucket
WBT Water Binary Tree
WC Waste Core
WCR Write to Card Reader
WDD Warp Disk Drive
WED Write and Erase Data
WEMG Write Eighteen Minute Gap
WF Wait Forever
WGPB Write Garbage in Process-control Block
WHFO Wait until Hell Freezes Over
WHP Wave Hands over Program
WI Write Illegibly
WID Write Invalid Data
WMC Write Millions of Comments
WNAM We Need A Miracle
WNHR Write New Hit Record
WNR Write Noise Record
WP Write Poop
WPET Write Past End of Tape
WPM Write Programmer's Mind
WSE Write Stack Everywhere
WSWW Work in Strange and Wonderous Ways
WT Waste Time
WUPO Wad Up Printer Output
WWLR Write Wrong Length Record
WWR Write Wrong Record
XIO E xecute Invalid Opcode
XKF E xecute Kermit the Frog
XM E xclusive Maybe
XNOH E xecute No- Op and Hang
XOR E xecute Ope rator
XOS E xchange Operator's Sex
XP E xecute Programmer
XPSW E xecute Program Status Word
XSP E xecute Systems Programmer
XVF E xchange Virtue for Fun
YAB Yet Another Bug
YASE Yet Another Stupid Error
ZAP Zero and Add Packed
ZAR Zero Any Register
ZD Zap Directory
ZEOW Zero Every Other Word
ZI Zap Immediate