Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10 5/3/83; site hou5g.UUCP
Path: utzoo!watmath!clyde!floyd!harpo!eagle!hou5h!hou5g!jrt
From: jrt@hou5g.UUCP (Jaime Tormos)
Newsgroups: net.jokes
Subject: the LAST word in OPCODES
Message-ID: <342@hou5g.UUCP>
Date: Fri, 10-Feb-84 15:51:51 EST
Article-I.D.: hou5g.342
Posted: Fri Feb 10 15:51:51 1984
Date-Received: Sat, 11-Feb-84 08:56:05 EST
Organization: AT&T Information Systems Laboratories, Holmdel, NJ
Lines: 664

Repeats .. and amateurs.   What we need around here is some

	ORIGINALITY !!!!!


    as a means to kill the plethora of 'NEW - IMPROVED - OP-codes"
    here is a complete(?) list.  Any additions, please mail to me at
    hou5g!jrt

			with LOVE, (** FRODO **) alias hou5g!jrt

    p.s. Many thanx to ALL contributors, without whom this list would
	 be impossible.

 -   -   -   -   -   -   -   -   -
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
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
BAC	Branch to Alpha Centauri
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
BBI	Branch on Burned-out Indicator
BBL	Branch on Burned-out Lamp
BBLB	Branch on Blinking Light Bulb
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	Backspace Disk
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]
BF	Belch Fire
BH	Branch and Hang
BLC	Branch and Loop Continuous
BLM	Branch, Like, Maybe
BLMWM	Branch, Like, Maybe, wow, Man
BLR	Branch and Lose Return
BM	Branch Maybe
BMI	Branch on Missing Index
BNA	Branch to Nonexistent Address
BNR	Branch for No Reason
BOD	Branch on Operator Desperate
BOP	Boot Operator
BOP	Byte Operator
BPB	Branch on Program Bug
BPD	Branch on Programmer Debugging
BPIM	Bury Programmer In Manuals
BPO	Branch to Power Off
BR	Byte and Run
BRA	BRanch Anywhere
BRA	Branch to Random Address
BRI	BRanch Indefinitely
BRO	BRanch to Oblivion
BRT	BRanch on Tuesdays
BSC	Burst Selector Channel
BSM	Branch and Scramble Memory
BSO	Branch on Sleeping Operator
BSST	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
BWOP	BeWilder Operator
CAF	Convert Ascii to Farsic
CAI	Corrupt Accounting Information
CAIL	Crash After I Leave
CAT	Confused And Tired [UNIX]
CBA	Compare and Branch Anyway
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
CFS	Corrupt File Structure
CG	Convert to Garbage
CH	Create Havoc
CHAPMR	CHAse Pointers around Machine Room
CIB	Change Important Byte
CIMM	Create Imaginary Memory Map
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
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
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
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	Daily 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
DHTPL	Disk Head Three Point Landing
DIA	Develop Ineffective Address
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
DMPE	Decide to Major in Physical Education
DMPK	Destroy Memory Protect Key
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
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
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
EIP	Execute Programmer Immediately
EJD%V	EJect Disk with initial velocity V
ELP	Enter Loop Permanently
EM	Evacuate Memory
EMSL	Entire Memory Shift Left
EMT	Electrocute Maintenance Technician
ENF	Emit Noxious Fumes
EO	Electrocute Operator
EOI	Execute Operator Immediate [a fast version of another instruction]
EP	Execute Programmer
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
ETI	Execute This Instruction [for recursive programs]
ETM	Emulate Trinary Machine
EVC	Execute Verbal Commands
EWD	Execute Warp Drive
EXECP	EXECute Programmer
EXX	[A real instruction on the Zilog Z-80 -- Zilog is owned by EXXon]
FB	Find Bugs
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
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	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
IAND	Illogical And
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
IM	Imagine Memory
IMPG	IMPress Girlfriend
INCAM	INCrement Arbitrary Memory location
INOP	Indirect No-op
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
JMAT	JuMp on Alternate Thursdays
JNL	Jump when programmer is Not Looking
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
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
LCD	Load and Clear Disk
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
LRD	Load Random Data
LSBL	Lose Super BLock [UNIX only]
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)]
MLP	Multiply and Lose Precision
MLR	Move and Lose Record
MLSB	Memory Left Shift and Branch
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
MWT	Malfunction Without Telling
NTGH	Not Tonight, I've Got a Headache
OCF	Open Circular File
OML	Obey Murphy's Law
OPP	Order Pizza for Programmer
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
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
POPN	Punch OPerator's Nose
PPA	Print Paper Airplanes
PPL	Perform Perpetual Loop
PPP	Print Programmer's Picture
PPSW	Pack Program Status Word
PRS	PRint and Smear
PSP	Print and Shred Paper
PSR	Print and Shred Ribbon
QWA	Quit While Ahead
RA	Randomize Answer
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
RDA	Refuse to Disclose Answer
RDD	Reverse Disk Drive
RDF	Randomize Directory Filenames
RDI	Reverse Disk Immediate
RENVR	Rename Variables Randomly
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]
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...
RS	Random Slew
RSD	Read and Scramble Data
RST	Rewind and Stretch Tape
RT	Reverse Throughput
RTS	Return To Sender
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
SDI	Self Destruct Immediately
SEB	Stop Eating and Burp
SEX	Set EXecution register [a real instruction for the RCA 1802]
SEX	Sign EXtend
SFH	Set Flags to Half mast
SFT	Stall For Time
SFTT	Strip Form Tractor Teeth
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)
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!
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
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
SST	Stop and Stretch Tape
ST	Set and Test
STD	Stop, take drugs
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
SZD	Switch to Zero Density
TARC	Take Arithmetic Review Course
TBFTG	Two Burgers and Fries To Go
TDB	Transfer and Drop 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
TOG	Time Out, Graduate
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
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
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
VNO	Violate Noise Ordinance
VPA	Vanishing Point Arithmetic
VVM	Vaporise Virtual Memory
WAD	Walk Away in Disgust
WC	Waste Core [UNIX]
WCR	Write to Card Reader
WGPB	Write Garbage in Process-control Block
WHP	Wave Hands over Problem
WI	Why Immediate
WID	Write Invalid Data
WNHR	Write New Hit Record
WNR	Write Noise Record
WPET	Write Past End of Tape
WSE	Write Stack Everywhere
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
XVF	Exchange Virtue for Fun
ZAP	Zero and Add Packed 
ZD	Zap Directory
ZPI	ZaP Immediate