1. BBBF Branch on Bit Bucket Full



2. BBT Branch on binary tree



3. BBW Branch Both Ways



4. BEW Branch Either Way



5. BH Branch and Hang



6. BMR Branch Multiple Registers



7. BOB Branch On Bug



8. BOD Beat on drum



9. BOI Byte operator immediately



10. BPDI Be polite, don't interrupt



11. BPO Branch on Power Off



12. BST Backspace and Stretch Tape



13. CDS Condense and Destroy System



14. CEMU Close eyes and monkey with user space



15. CLBR Clobber Register



16. CLBRI Clobber Register Immediately



17. CM Circulate Memory



18. CMFRM Come From (essential for truly structured programming)



19. CPAR Crumple paper and rip



20. CPPR Crumple Printer Paper and Rip



21. CRB Crash and burn



22. CRN Convert to Roman Numerals



23. CU Convert to unary



24. CZZC Convert zone to ZIP code



25. DC Divide and Conquer



26. DMPK Destroy Memory Protect Key



27. DNPG Do not pass go



28. DO Divide and Overflow



29. DWIMNWIS Do what I mean, not what I say



30. EIOC Execute invalid opcode



31. EMPC Emulate Pocket Calculator



32. EPI Execute Programmer Immediately



33. EROS Erase Read Only Storage



34. EXCE Execute Customer Engineer



35. EXOP Execute operator



36. EXPP Execute political prisoner



37. FSRA Forms skip and run away



38. GFD Go forth and divide



39. GFM Go forth and multiply



40. HCF Halt and Catch Fire



41. IBP Insert Bug and Proceed



42. IIB Ignore inquiry and branch



43. INSQSW Insert into queue somewhere (for FINO queues [First in never out])



44. LCC Load and clear core



45. MBF Multiply and be fruitful



46. MLR Move and lose record



47. PBC Print and Break Chain



48. PD Play dead



49. PDSK Punch Disk



50. PI Punch Invalid



51. POPI Punch Operator Immediately



52. PS* Punch obscenity



53. PSD Pause and smoke dope



54. PVLC Punch Variable Length Card



55. RASC Read And Shred Card



56. RD Reverse directions



57. RDS Read sideways



58. RIRG Read inter-record gap



59. RPM Read Programmer's Mind



60. RSD On read error self destruct



61. RSSC Reduce Speed, Step Carefully (for improved accuracy)



62. RSTOM Read from store-only memory



63. RTAB Rewind tape and break



64. RWCR Rewind card reader



65. RWDSK Rewind Disk



66. RWOC Read Writing On Card



67. SCRBL Scribble to disk - faster than a write



68. SHAB Shift a bit



69. SHLBM Shift a little bit more



70. SLC Search for Lost Chord



71. SMR Skip on meaningless result



72. SOT Sit on a tack



73. SPSW Scramble Program Status Word



74. SQPC Sit quietly and play with your crayons



75. SQSW Scramble program status word



76. SRSD Seek Record and Scar Disk



77. SRZ Subtract and reset to zero



78. SSJ Select stacker and jam



79. STROM Store in Read Only Memory



80. TDB Transfer and Drop Bits



81. UER Update and erase record



82. WBT Water Binary Tree



83. WEMG Write eighteen-minute gap



84. WPM Write programmer's mind



85. XSP Execute systems programmer