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Path: ns-mx!uunet!virtech!jje From: jje@virtech.uucp (Jeremy J. Epstein) Newsgroups: alt.folklore.computers Subject: Re: apocryphal opcode mnemonics,long Summary: Lots more apocrophal menemonics Message-ID: <1990Apr24.175633.22905@virtech.uucp> Date: 24 Apr 90 17:56:33 GMT References: <1990Apr23.045946.4062@ucselx.sdsu.edu> Distribution: alt Organization: Virtual Technologies Inc. Lines: 76 In article <1990Apr23.045946.4062@ucselx.sdsu.edu>, aty@ucselx.sdsu.edu (young a t) writes: > Recently an item was posted mentioning some legendary op-codes, including > HCF for "Halt and Catch Fire". I found the following list of more op-codes in my files. NEWEST DEC OPCODES BBI Branch on Burned-out Indicator BPO Branch on power off RPB Reverse Parity & Branch RWT Read/Write While Stretching Tape SRZ Subtract & Reset to Zero SSW Scramble Status Word RCS Read Card & Scramble Data SSD Stacker Select Disk RCR Rewind Card Reader EJD Eject Disk [note that this was before floppies which were ejected under software control] BSD Backspace Disk EIO Execute Invalid Opcode EXO Execute Operator ECP Erase Card Punch RNR Read Noise Record DMP Destroy Memory Protect Key MLR Move and Lose Record DIA Develop Ineffective Address SCP Scatter Printer PBC Print and Break Chain JLP Jump and Lose Pointer RDI Rewind Disk Immediate BRL Branch and Leak SWT Select Wrong Terminal EXP Exeucte Programmer DIH Disable Interrupts & Hang VMA Violate Maintenance Agreement DFA Disable Fans EAL Enable AC to Logic Rack EAO Enable AC to Operator DIG Disable Gravity ESP Enable Sprinkler System AAR Alter at Random CMD Compare Meaningless Data ENF Emix Noxious Fumes ISC Insert Sarcastic Comments PEHC Punch Extra Holes in Cards WNAM We Need a Miracle BRH Branch and Hang ING Inquire & Ignore DOV Divide & Overflow PIC Print Invalid Character SSJ Select Stacker & Jam FSR Form Skip & Runaway WWR Write Wrong Record RWD Rewind Disk PCD Punch Disk FCJ Feed Card & Jam RTP Reduce Throughput RST Rewind & Stretch Tape UCB Uncouple Comm lines & Branch BRO Branch & Overheat DIF Disable Fuses MMF Melt Mainframe LUM Lubricate Memory LTS Loop Til Smokes AIB Attach Innocent Bystandards DDC Dally During Calculations FLI Flash Lights Impressively LAP Laugh at Programmer SAI Skip All Instructions RPM Read Programmer's Mind -- Jeremy Epstein TRW Systems Division 703-876-8776 jje@virtech.uu.net