Opcodes

[Drugganator]

AAC   Alter All Commands
AAD   Alter All Data
AAO   Add And Overflow
AAR   Alter At Random
AB   Add Backwards
ABR   Add Beyond Range
ACQT   Advance Clock to Quitting Time
ADB   Another Damn Bug [UNIX]
AFF   Add Fudge Factor
AFHB   Align Fullword on Halfword Boundary
AFP   Abnormalized Floating Point
AFVC   Add Finagle's Variable Constant
        [the constant that must be added to
         make your data support your conclusions]
AGB   Add GarBage
AI   Add Improperly
AIB   Attack Innocent Bystander
AML   AlaMan Left
AMR   AlaMan Right
AMM   Answer My Mail
AOI   Annoy Operator Immediate
AR   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 Approximate
BAC   Branch to Alpha Centauri
BAB   Branch And Burn
BAF   Blow All Fuses
BAH   Branch And Hang
BALC   Branch And Link Cheeseburger
BAW   Bells And Whistles
BB   Branch on Bug
BBBB   Byte Baudy Bit and Branch
BBBF   Branch Bit Bucket Full
BBI   Branch on Burned-out Indicator
BBL   Branch on Burned-out Lamp
BBLB   Branch on Blinking Light Bulb
BBRSS   Branch on Bit Random Set and Set.
BBRSSI   Branch on Bit Random Set and Set Interlocked
BBW   Branch Both Ways
BCB   Burp and Clear Bytes
BCF   Branch on Chip box Full
BCIL   Branch Creating Infinite Loop
BCR   Backspace Card Reader
BCU   Be Cruel and Unusual
BD   Branch to Data
BDC   Break Down and Cry
BDM   Branch and Disconnect Memory
BDT   Burn Data Tree
        [next opcode after decorate data tree]
BE   Branch Everywhere
        [As in HHGttG's Infinite Improbability Computer]
BEM   Branch and Erase Memory
BEW   Branch Either Way
BF   Belch Fire
BFFF   Branch on Failure to Face Facts
BH   Branch and Hang
BLC   Branch and Loop Continuous
BLI   Branch and Loop Infinite
BLM   Branch, Like, Maybe
BLMWM   Branch, Like, Maybe, wow, Man
BLR   Branch and Lose Return
BM   Branch Maybe
BMI   Branch on Missing Index
BMR   Branch Multiple Registers
BNA   Branch to Nonexistent Address
BNR   Branch for No Reason
BOB   Branch On Bug
BOD   Beat on Drum
BOOD   Branch On Operator Desperate
BCOKE   Boot from coke machine.
BOI   Byte Operator Immeciately
BOM   Branch On Maybe
BOP   Boot OPerator
BOP   Byte OPerator
BOTCH   Branch On Tuesdays and Certain Holidays
BPB   Branch on Program Bug
BPD   Branch on Programmer Debugging
BPIM   Bury Programmer In Manuals
BPO   Branch if Power Off
BPO   Branch to Power Off
BR   Byte and Run
BRA   BRanch Anywhere
BRA   Branch to Random Address
BRB   BRanch on Beaver
BRI   BRanch Indefinitely
BRO   BRanch to Oblivion
BRO   BRanch and Overheat
BRL   BRanch and Leak
BRT   BRanch on Tuesdays
BSC   Burst Selector Channel
BSD   BackSpace Disk
BSI   Backup Sewer Immediate
BSM   Branch and Scramble Memory
BSO   Branch on Sleeping Operator
BST   Backspace and Stretch Tape
BTD   Byte The Dust
BTJ   Branch and Turn Japanese
BTO   Branch To Oblivion
BW   Branch on When
BW   Branch on Whim
BWABL   Bells, Whistles and Blinking Lights
BWM   Branch to Where i Meant
BWOP   BeWilder Operator
BWPP   Branch to Worst Possible Place
CAB   Crash And Burn
CAF   Convert Ascii to Farsic
CAI   Corrupt Accounting Information
CAIL   Crash After I Leave
CAC   Clear And Clear
CAS   Clear And Set
CAT   Confused And Tired [UNIX]
CBA   Compare and Branch Anyway
CBBSC   Check Boondoggle Bit, Set if Clear
CBNC   Close, But No Cigar
CBS   Clobber BootStrap
CC   Call Calvary
CC   Crappy Control [UNIX]
CCB   Chocolate Chip Byte-mode
CCB   Consult Crystal Ball
CCCI   Clear Condition-Codes Indefinitely
CCD   Choke, Cough and Die
CCD   Clear Current Directory
        [this may really exist!]
CCR   Change Channels Random
CCS   Chinese Character Set
CCWR   Change Color of Write Ring
CDR   Complement Disk Randomly
CDS   Condense and Destroy System
CEX   Corrupt EXecutive
CFS   Corrupt File Structure
CG   Convert to Garbage
CH   Create Havoc
CHAPMR   CHAse Pointers around Machine Room
CI   Complement and Implement
CIB   Change Important Byte
CIMM   Create Imaginary Memory Map
CLBR   CLoBber Register
CLBRI   CLoBber Register Immediately
CM   Circulate Memory
CM   Confuse Memory
CMD   CPU Melt Down
CMD   Compare Meaningless Data
CMI   Clobber Monitor Immediately
CML   Compute Meaning of Life (72)
CMP   Create Memory Prosthesis
CMS   Click MicroSwitch
CN   Compare Nonsensically
CNB   Cause Nervous Breakdown
COLB   Crash for Operator's Lunch Break
COMF   COMe From
COS   Copy Object Code to Source File
COWHU   Come Out With your Hands Up
CP%FKM   CPU - Flakeout mode
CP%WM   CPU - Weird Mode
CPB   Create Program Bug
CPC   Complement Program Counter
CPPR   Crumple Printer Paper and Rip
CPR   Compliment PRogrammer("Aren't you cute!")
CRASH   Continue Running after Stop or Halt
CRM   Clear Random Memory
CRN   Convert to Roman Numerals
CRYPT   reCuRsive encrYPt Tape mnemonic [UNIX]
CS   Crash System
CSL   Curse and Swear Loudly
CSN   Call Supervisor Names
CSNIO   Crash System on Next I/O
CSP   Complemint Stack Pointer
CSU   Call Self Unconditional [the ultimate in recursive programming]
CSYS   Crash SYStem
CTDMR   Change Tape Density, Mid Record
CUC   Cheat Until Caught
CVFL   Convert Floating to Logical
CVFP   ConVert FORTRAN to PASCAL
CVG   ConVert to Garbage
CWAH   Create Woman And Hold
CWDC   Cut Wires and Drop Cores
DA   Develop Amnesia
DAO   Divide And Overflow
DAP   De-select Active Peripheral
DAUF   Delete All Useless Files [would YOU trust a computer that far?]
DBL   Desegregate Bus Lines
DBR   Debase Register
DBZ   Divide By Zero
DC   Degauss Core
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 CONsole
DCT   Drop Cards Triple
DCWPDGD   Drink Coffee, Write Program, Debug, Get Drunk
DD   Destroy Disk
DD   Drop Disk
DDC   Dally During Calculations
DDOA   Drop Dead On Answer
DDS   Delaminate Disk Surface
DEB   Disk Eject Both
DEC   Decompile Executable Code
DEI   Disk Eject Immediate
DEM   Disk Eject Memory
DES   Disk Eject Swapped
DFA   Disable Fans Always
DHTPL   Disk Head Three Point Landing
DIA   Develop Ineffective Address
DIE   DIsable Everthing
DIF   DIsable Fuses
DIG   Disable Gravity
DIH   Disable Interrupts and Halt
DIIL   Disable Interrupts and enter Infinite Loop
DIRFW   Do It Right For Once
DISC   DISmount CPU
DK   Destroy Klingons
DK%WMM   Disk Unit - Washing Machine Mode
DKP   Disavow Knowledge of Programmer
DLN   Don't Look Now...
DLP   Drain Literal Pool
DM   Decorate Memory
DMNS   Do what I Mean. Not what I Say
DMPE   Decide to Major in Physical Education
DMPK   Destroy Memory Protect Key
DMPS   Destroy Memory Protect Switch
DO   Divide and Overflow
DOC   Drive Operator Crazy
DPC   Decrement Program Counter
DPK   Destroy storage Protect Key
DPMI   Declare Programmer Mentally Incompetent
DPR   Destroy Program
DPS   Disable Power Supply
DRAF   DRAw Flowchart
DRI   Disable Random Interrupt
DRT   Disconnect Random Terminal
DS   Deadlock System
DSH   Destroy Sector Header
DSI   Do Something Interesting
DSPK   Destroy Storage Protect Key
DSR   Detonate Status register
DSTD   Do Something Totally Different
DSUIT   Do Something Utterly, Indescribably Terrible
DSV   DiSable Veterans
DT%FFP   DecTape - Unload and Flappa-Flap
DT%SHO   DecTape - Spin Hubs Opposite
DTC   Destroy This Command
DTI   Do The Impossible
DTRT   Do The Right Thing
DTVFL   Destroy Third Variable From Left
DU   Dump User
DUD   Do Until Dead
DW   Destroy Work
DW   Destroy World
DWIM   Do What I Mean
DWIT   Do What I'm Thinking
EAL   Enable AC to Logic rack
EAO   Enable AC to Operator
EAR   Exchange All Registers (with next registers)
EBB   Empty Bit Bucket
EBRS   Emit Burnt Resistor Smell
EC   Eject Carriage
ECL   Early Care Lace
ECO   Electrocute Computer Operator
ECP   Erase Card Punch
ED   Eject Disk
ED   Execute Data
ED   Expunge Data [UNIX]
EDD   Eat Disk and Die
EDIT   Erase Data and Increment Time
EDR   Execute Destructive Read
EDS   Execute Data Segment
EEP   Erase Entire Program
EFD   Eject Floppy Disk
EIAO   Execute In Any Order
EIO   Erase I/O page
EIOC   Execute Invalid OpCode
EJD%V   EJect Disk with initial velocity V
ELP   Enter Loop Permanently
EM   Evacuate Memory
EMPC   EMulate Pocket Calculator
EMIPC   EMulate IBM PC
EMSL   Entire Memory Shift Left
EMT   Electrocute Maintenance Technician
ENA   ENable Anything
ENF   Emit Noxious Fumes
ENG   Enable Gravity
EO   Electrocute Operator
EOI   Execute Operator Immediate [a fast version of another instruction]
EP   Execute Programmer
EPBI   Empty Paper Box Immediately
EPI   Execute Programmer Immediate
EPP   Eject Printer Paper
EPS   Electrostatic Print and Smear
EPS   Execute Program Sideways
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 [Sounds like an IBM special!]
ESB   Eject Selectric Ball [from IBM selectric typewriter terminals]
ESL   Exceed Speed of Light
ESP   Enable Sprinkler System
ETI   Execute This Instruction [for recursive programs]
ETM   Emulate Trinary Machine
EVC   Execute Verbal Commands
EVOII   Emulate a VG on a Hazeltine
EWD   Execute Warp Drive
EXCE   EXecute Customer Engineer
EXE   EXecute Engineer
EXECP   EXECute Programmer
EXO   EXecute Operator
EXOI   EXecute Operator Immediate
EXPP   EXecute Political Prisoner
EXX   [A real instruction on the Zilog Z-80 -- Zilog is owned by EXXon]
FB   Find Bugs
FCE   Fill Core with Epoxy
FCJ   Feed Card and Jam
FDR   Fill Disk Randomly
FFF   Form Feed Forever
FLD   FLing Disc
FLI   Flash Lights Impressively
FM   Forget Memory
FMP   Finish My Program
FOPC   [Set] False Out-of-paper Condition
FPC   Feed Paper Continuously
FPT   Fire Photon Torpedoes
FRG   Fill with Random Garbage
FSM   Fold, Spindle and Mutilate
FSRA   Forms Skip and Run Away
GBB   Go to Back of Bus
GCAR   Get Correct Answer Regardless
GETUSER   Apply 400 Volts To The Terminal Keyboard.
GDP   Grin Defiantly at Programmer
GDR   Grab Degree and Run
GENT   GENerate Thesis
GEW{JO}   Go to the End of the World {Jump Off}
GIE   Generate Irreversible Error
GLC   Generate Lewd Comment
GMC   Generate Machine Check
GMCC   Generate Machine Check and Cash
GND   Guess at Next Digit
GORS   GO Real Slow
GREM   Generate Random Error Message
GREP   Global Ruin, Expiration and Purgation [UNIX]
GRMC   Generate Rubber Machine Check
GS   General Store
GS   Get Strange [randomly inverts bits being fed to the instruction decoder]
GSB   Gulp and Store Bytes
GSI   Generate Spurious Interrupts
GSU   Geometric Shift Up
HAH   Halt And Hang
HCF   Halt and Catch Fire
HCP   Hide Central Processor [makes virtual CPU's act like virtual memories]
HCRS   Hang in Critical Section
HDO   Halt and Disable Operator
HDRW   Halt and Display Random Word
HELP   Type "No help available"
HF   Hide a File
HGD   Halt, Get Drunk
HHB   Halt and Hang Bus
HIS   Halt in Impossible State
HOO   Hide Operator's Output
HRPR   Hang up and Ruin Printer Ribbon
HUAL   Halt Until After Lunch
HUGEBILL Randomly Dial Some Modem at Least 3 Time Zones Away.
IA   Illogical And
IBP   Insert Bug and Proceed
IBR   Insert Bugs at Random
ICB   Interrupt, crash and burn
ICM   Immerse Central Memory
ICMD   Initiate Core Melt-Down
ICSP   Invert CRT Screen Picture
IDC   Initiate Destruct Command
IDI   Invoke Divine Intervention
IDPS   Ignore Disk Protect Switch
IEOF   Ignore End Of File
IF   Invoke Force
IGI   Increment Grade Immediately
IGIT   Increment Grade Immediately Twice
II   Inquire and Ignore
IIB   Ignore Inquiry and Branch
IIB   Ignore Interrupt and Branch
IIC   Insert Invisible Characters
IIL   Irreversable Infinite Loop
IIP   Ignore Inquiry and Proceed
IM   Imagine Memory
IMPG   IMPress Girlfriend
INCAM   INCrement Arbitrary Memory location
INOP   Indirect No-op
ING   Inquire and IGnore
IOI   Ignore Operator's Instruction
IOP   Interrupt processor, Order Pizza
IOR   Illogical OR
IP   Increment and Pray
IPS   Incinerate Power Supply
IPS   Increment Processor Status
IPT   Ignite Paper Tape
IRB   Invert Record and Branch
IRB   Invert Record and Branch
IRC   Insert Random Commands
IRE   Insert Random Errors
IRPF   Infinite Recursive Page Fault
ISC   Ignore Supervisor Calls
ISC   Insert Sarcastic Comments
ISI   Increment and Skip on Infinity
ISP   Increment and Skip on Pi
ITML   Initiate Termites into Macro Library
IU   Ignore User
JAA   Jump Almost Always
JFM   Jump on Full Moon
JHRB   Jump to H&R Block
JLP   Jump and Lose Pointer
JLR   Jump and Lose Return
JMAT   JuMp on Alternate Thursdays
JNL   Jump when programmer is Not Looking
JOB   Jump On Beaver
JOM   Jump Over Moon
JRAN   Jump RANdom [not to be confused with IRAN - Idiots random]
JRCF   Jump Relative and Catch Fire
JRGA   Jump Relative and Get Arrested
JRN   Jump RaNdom
JRSR   Jump to Random Subroutine
JSH   Jump to Subroutine and Halt
JSL   Jump to Random Location
JSU   Jump Self Unconditional [the ultimate in iterative programming]
JT   Jump if Tuesday
JTZ   Jump to Twilight Zone
JWN   Jump When Necessary
KUD   Kill User's data
LAGW   Load And Go Wrong
LAP   Laugh At Program(mer)
LCC   Load and Clear Core
LCC   Load and Clear Comm
LCD   Load and Clear Disk
LCH   Load and Crach Heads
LCK   Lock Console Keyswitch
LEB   Link Edit Backwards
LIA   Load Ineffective Address
LMB   Lose Message and Branch
LMO   Load and Mug Operator
LMYB   Logical MaYBe
LN   Lose inode Number [UNIX]
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
LRB   Lose Record and Branch
LRD   Load Random Data
LSBL   Lose Super BLock [UNIX only]
LTS   Loop Till Smokes
LUM   LUbricate Memory
LWM   Load Write-only Memory
MAB   Melt Address Bus
MAN   Make Animal Noises
MAZ   Multiply Answer by Zero
MBC   Make Batch Confetti
MBH   Memory Bank Hold-up
MBTD   Mount Beatles on Tape Drive
MBTOL   Move Bugs to Operator's Lunch
MC   Move Continuous
MD   Move Devious
MDB   Move and Drop Bits
MDDHAF   Make Disk Drive Hop Across Floor [Stevans's favorite (he made it up)]
MEC   Modify Existing Code
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
MOP   Modify Operator's Personality
MOU   MOunt User [causes computer to screw you once again]
MPLP   Make Pretty Light Pattern
MSGD   Make Screen Go Dim
MSIP   Make Sure Plugged In
MSR   Melt Special Register
MT%HRDV   MagTape - High speed Rewind and Drop Vacuum
MTI   Make Tape Invalid
MW   Malfunction Whatever
MWC   Move and Wrap Core
MWK   Multiply WorK
MWT   Malfunction Without Telling
NCW   Notch Carriage Way
NSP   Negate Stack Pointer
NTGH   Not Tonight, I've Got a Headache
OBB   On Bordom Branch
OCF   Open Circular File
OML   Obey Murphy's Law
OPP   Order Pizza for Programmer
ORESD   On Read Error Self Destruct
OSI   Overflow Stack Indefinitely
OTL   Out To Lunch
PAS   Print And Smear
PAUD   PAUse Dramatically
PAZ   Pack Alpha Zone
PBC   Print and Break Chain
PBD   Print and Break Drum
PBM   Pop Bubble Memory
PBPBPBP   Place Backup in Plain Brown Paper Bag, Please [for stealing code]
PBST   Play Batch mode Star Trek
PCI   Pleat Cards Immediate
PCR   Print and Cut Ribbon
PD   Punch Disk
PEHC   Punch Extra Holes in Cards
PERHAPS   (example) IF <perhaps> THEN <maybe>
PFE   Print Floating Eye [Roguers look out!]
PFML   Print Four Million Lines
PI   Punch Invalid
PIBM   Pretend to be an IBM
PIC   Print Illegible Characters
PIC   Punch Invalid Character
PNRP   Print Nasty Replies to Programmer
PO   Punch Operator
POPI   Punch OPerator Immediately
POPN   Punch OPerator's Nose
POSA   Put On Special Assignment
PPA   Print Paper Airplanes
PPL   Perform Perpetual Loop
PPO   Programmed Power On
PPP   Print Programmer's Picture
PPSW   Pack Program Status Word
PRS   PRint and Smear
PSP   Print and Shred Paper
PSR   Print and Shred Ribbon
PSR   Pound Sand (in a) Rat-hole
PTTBS   Print and Throw Type Bar Segment
PVLC   Punch Variable Length Card
QWA   Quit While Ahead
RA   Randomize Answer
RAL   Remove Argument List
RAM   Reorganize and Abort Monitor
RASC   Read And Shred Card
RAST   Read and Shred Tape
RAST   Rewind And Stretch Tape
RAU   Ridicule All Users
RBAO   Ring Bell and Annoy Operator
RBG   Random Bug Generate
RBLY   Restore Backup from Last Year
RBT   Read Blank Tape
RBT   Rewind and Break Tape
RCAJ   Read Card And Jam
RCB   Read Commands Backwards
RCB   Run Clock Backwards
RCC   Read Card and Chew
RCCP   Randomly Corrupt Current Process
RCF   Rewind Cabinet Fans
RCKG   Read Count Key and Garbage
RCR   Rewind Card Reader
RCRV   Randomly Convert to Reverse Video
RCS   Read Card, Scramble data
RCSD   Read Card and Scramble Data
RD   Randomize Data
RDA   Refuse to Disclose Answer
RDD   Reverse Disk Drive
RDF   Randomize Directory Filenames
RDI   Rewind Disc Immediate
RDI   Reverse Disk Immediate
RENVR   Rename Variables Randomly
RESD   on Read Error Self-Distruct
RET   Read and Erase Tape
RIC   Rotate Illogical thru Carry
RID   Read Invalid Data
RIR   Read Invalid Record
RIRG   Read Inter-Record Gap
RIRG   Rewrite Inter-Record Gap [random replacement of similar mnemonic]
RLC   Re-read last card
RLC   Relocate and Lose Core
RLI   Rotate Left Indefinitely
RLP   Refill Light Pen
RLP   Rewind Line Printer
RM   Ruin My files [UNIX]
RMB   Read Mind and Branch
RMI   Randomize Memory Immediate
RMV   Remove Memory Virtues
RNBS   Reflect Next Bus Signal
RN   Read Noise
RNR   Read Noise Record
ROD   ROtate Diagonally
ROM   Read Operator's Mind
ROOP   Run Out Of Paper
ROPF   Read Other People's Files
ROS   Reject Op System
ROT   Rotate Disk [fixes broken drives]
RP   Read Printer
RPB   Raise Parity Bits
RPBR   Reverse Parity and BRanch
RPM   Read Programmer's Mind
RPU   Read character and Print Upside down
RRB   Read Record and Blush
RRC   Rotate Random thru Carry
RRR   Read Record and Run away
RRRL   Random Rotate Register Left
RRSG   Round and Round She Goes...
RRT   Record and Rip Tape
RS   Random Slew
RSC   Read and Shred Card
RSD   Read and Scramble Data
RSG   Receive Stolen Goods
RSLG   Read and Sharpen Light Pencil
RST   Rewind and Stretch Tape
RSTOM   Read STore-Only Memory
RT   Reverse Throughput
RTP   Reduce ThroughPut
RTS   Return To Sender
RWC   ReWind and Crash heads
RWD   ReWind Disk
RWT   Read/Write while stretching Tape
SAD   Seek And Destroy
SAI   Skip All Instructions
SAS   Sit And Spin
SC   Scramble Channels
SC   Shred Cards
SCB   Spindle Card and Belch
SCCA   Short Circuit on Correct Answer
SCH   Slit Cards Horizontal
SCI   Shred Cards Immediate
SCOM   Set Cobol-Only Mode
SCRRC   SCRamble Register Contents
SCST   Switch Channel to Star Trek
SCTR   Stick Card To Reader
SD   Scramble Directory
SD   Slip Disk
SDC   Spool Disk to Console
SDDB   Snap Disk Drive Belt
SDE   Solve Differential Equations
SDF   Spew Dectape on Floor
SDI   Self Destruct Immediately
SEB   Stop Eating and Burp
SEX   Set EXecution register [a real instruction for the RCA 1802]
SEX   Sign EXtend [a real PDP11 Instruction]
SFE   Set Flame Enable
SFH   Set Flags to Half mast
SFT   Stall For Time
SFTT   Strip Form Tractor Teeth
SGN   Skip and Go Naked
SHB   Stop and Hang Bus
SHCD   SHuffle Card Deck
SHIT   Stop Here If Thursday
SHON   Simulate HONeywell CPU [permanent NO-OP]
SHRC   SHRed Card
SHRT   SHRed Tape
SID   Switch to Infinite Density
SLD   Slip Disk
SLP   Sharpen Light Pen
SMC   Scramble memory contents
SMD   Spontaneous Memory Dump (Use only with classified data)
SMF   Spew Magtape on Floor
SMS   Shred Mylar Surface
SMT   Stretch MagTape
SNM   Show No Mercy
SOAWP   SOlve All the World's Problems
SOB   [a real PDP-11 instruction]
SOD   Surrender Or Die!
SOMETIMES Is in all High-level Compilers, which results in the action
only   occurring Sometimes.
SOP   Stop and Order Pizza
SOS   Sign Off, Stupid
SP   Scatter Print
SPA   Sliding Point Arithmetic
SPS   Smoke Power Supply
SPSW   Scramble Processor Status Word
SRBO   Set Random Bits to Ones
SRBZ   Set Random Bits to Zeroes
SRCC   Select Reader and Chew Cards
SRCH   Seek Record and Crash Heads
SRC   Skip to Random Channel
SRD   Switch to Random Density
SRDR   Shift Right, Double Ridiculous
SRO   Sort with Random Ordering
SRR   Set Registers to Random values [usually used prior to a RET or RTS]
SRR   Shift Registers Random
SRSD   Seek Record and Scratch Disk
SRU   Signoff Random User
SRZ   Subtract and Reset to Zero
SSB   Scramble Status Byte
SSD   Seek and Score Disk [good for testing]
SSJ   Select Stacker and Jam
SSJP   Select Stacker and Jump
SSM   Solve by Supernatural Means
SSP   Smoke and SPark
SSP   Seek SPindle
SST   Stop and Stretch Tape
SSW   Scramble Status Word
ST   Set and Test
STD   Stop, take drugs
STML   Skip To My Lou
STORM   STore in Read-Only Memory
STPR   SToP Rain
STTHB   Set Terminal to Three Hundred Baud
SUI   Subtract User's IQ
SUME   Surprise Me
SUP   Solve Unsolvable Problem
SUR   Screw Up Royally
SUS   Stop Until Spring
SUS   Subract Until Senseless
SWAT   SWAp Terminals
SWN   SWap Nibbles
SWOS   SWap out Operating System
SWS   Sort to Wrong Slots
SWT   Select Wrong Terminal
SZD   Switch to Zero Density
TAPCON   Make Strange Noises At Operator Console.
TARC   Take Arithmetic Review Course
TBFTG   Two Burgers and Fries To Go
TDB   Transfer and Drop Bits
TDS   Trash Data Segment
TIXEROX   Get System Time From Copy Machine.
TLNF   Teach me a Lesson I'll Never Forget
TLO   Turn indicator Lights Off
TLW   Transfer and Lose Way
TN   Take a Nap
TOG   Time Out, Graduate
TOGO   Carry Out
TOH   Take Operator Hostage
TOO   Turn On/Off operator
TOS   Trash Operating System
TPD   Triple Pack Decimal
TPDH   Tell Programmer to Do it Him/Herself
TPN   Turn Power oN
TPO   Turn Power Off
TPR   Tear PapeR
TR   Turn into Rubbish [UNIX]
TRA   Te Rdls Arvs [Type Ridiculous Abbreviations]
TSH   Trap Secretary and Halt
TSM   Trap Secretary and Mount
TST   Trash System Tracks
TT%CNK   TeleType - Clunk Noise
TT%EKB   TeleType - Electrify KeyBoard
TTA   Try, Try Again
TTC   Tranmit Terminal Cancer
TTITT   Turn 2400 foot tape Into Two 1200 foot tapes
        [Only privileged users will get hubs on both tapes]
TTL   Time To Log off
UAI   Use Alternate Instruction set
UCB   Uncouple CPU and Branch
UCK   Unlock Console Keyswitch
UCLB   Uncouple Comm Lines and Branch
UCPUB   Uncouple CPU's and Branch
UER   Update and Erase Record
UMR   Unlock Machine Room
UOP   Useless Operation
UP   Understand Program(mer)
UTF   Unwind Tape onto Floor
UUBR   Use Undefined Base Register
VAX   Violate All executions
VFE   Violate Field Engineer
VFO   Violate Female Operator
VMA   Violate Maintance Agreement
VNO   Violate Noise Ordinance
VPA   Vanishing Point Arithmetic
VVM   Vaporise Virtual Memory
WAD   Walk Away in Disgust
WAS   (example) IF X WAS % THEN (why isn't it now)
WBT   Water Binary Tree
WC   Waste Core [UNIX]
WCR   Write to Card Reader
WED   Write and Erase Data
WGPB   Write Garbage in Process-control Block
WHP   Wave Hands over Problem
WI   Why Immediate
WID   Write Invalid Data
WILL   BE (example) IF X WILL BE 5 THEN HALT
WNAM   We Need A Miracle
WNHR   Write New Hit Record
WNR   Write Noise Record
WPET   Write Past End of Tape
WRM   Write to Read-only Memory
WSE   Write Stack Everywhere
WSO   Wake Sleeping Operator
        [Rings 8" fire-alarm bell mounted just inside operator's console/front panel.
        Rumoured to exist on some CDC machines.]
WSWW   Work in Strange and Wondrous Ways
WUPO   Wad Up Printer Output
WWLR   Write Wrong Length Record
WWR   Write Wrong Record
XIO   eXecute Invalid Op code
XKF   eXecute Kermit the Frog
XMB   eXclusive MayBe
XOH   eXecute no-Op and Hang
XOR   eXecute OperatoR
XOS   eXchange Operator's Sex
XPR   eXecute Programmer
XSH   eXecute and craSH
XVF   eXchange Virtue for Fun
ZAP   Zero and Add Packed
ZD   Zap Directory
ZNI   Zero Next Instruction
ZPI   ZaP Immediate