Skip to content


Assembler Mnemonics

Secret undocumented instructions:

ARG: Agree to Run Garbage
BDM: Branch and Destroy Memory
CMN: Convert to Mayan Numerals
DDS: Damage Disk and Stop
EMR: Emit Microwave Radiation
ETO: Emulate Toaster Oven
FSE: Fake Serious Error
GSI: Garble Subsequent Instructions
GQS: Go Quarter Speed
HEM: Hide Evidence of Malfunction
IDD: Inhale Dust and Die
IKI: Ignore Keyboard Input
IMU: Irradiate and Mutate User
JPF: Jam Paper Feed
JUM: Jeer at Users Mistake
KFP: Kindle Fire in Printer
LNM: Launch Nuclear Missiles
MAW: Make Aggravating Whine
NNI: Neglect Next Instruction
OBU: Overheat and Burn if Unattended
PNG: Pass Noxious Gas
QWF: Quit Working Forever
QVC: Question Valid Command
RWD: Read Wrong Device
SCE: Simulate Correct Execution
SDJ: Send Data to Japan
TTC: Tangle Tape and Crash
UBC: Use Bad Chip
VDP: Violate Design Parameters
VMB: Verify and Make Bad
WAF: Warn After Fact
XID: eXchange Instruction with Data
YII: Yield to Irresistible Impulse
ZAM: Zero All Memory
PI: Punch Invalid
POPI: Punch Operator Immediately
RASC: Read And Shred Card
RPM: Read Programmers Mind
RSSC: Reduce Speed, Step Carefully (for improved accuracy)
RTAB: Rewind Tape and Break
SPSW: Scramble Program Status Word
SRSD: Seek Record and Scar Disk
WBT: Water Binary Tree