The file typically refers to a widely discussed and controversial archive containing GoPro footage related to the March 2019 Christchurch mosque shootings .
: The archive contains raw, graphic footage from a first-person perspective (GoPro) of the mass shooting.
: Analysts look at the "gamification" of the footage (the HUD-like GoPro view) and how it influenced subsequent "copycat" attacks.
While the query mentions a "paper," there is no widely cited academic journal or official white paper by that specific title. Instead, the "mercy" part of the filename refers to a specific segment of the perpetrator's live-streamed video where he shot a victim who was pleading for mercy. Key Context and Legal Warnings
: The footage was extensively analyzed in the Royal Commission of Inquiry into the terrorist attack on Christchurch masjidain to understand the perpetrator's movements and planning. Research and Analysis
If you are looking for academic "papers" that analyze the footage or the archive's spread:
: Several communication papers discuss the ethics of reporting on such archives without amplifying the perpetrator's manifesto.
If you are researching this for academic purposes, it is highly recommended to look for secondary analyses in the or reports from the Global Internet Forum to Counter Terrorism (GIFCT) rather than seeking the raw archive.
This LMC simulator is based on the Little Man Computer (LMC) model of a computer, created by Dr. Stuart Madnick in 1965. LMC is generally used for educational purposes as it models a simple Von Neumann architecture computer which has all of the basic features of a modern computer. It is programmed using assembly code. You can find out more about this model on this wikipedia page.
You can read more about this LMC simulator on 101Computing.net.
Note that in the following table “xx” refers to a memory address (aka mailbox) in the RAM. The online LMC simulator has 100 different mailboxes in the RAM ranging from 00 to 99.
| Mnemonic | Name | Description | Op Code |
| INP | INPUT | Retrieve user input and stores it in the accumulator. | 901 |
| OUT | OUTPUT | Output the value stored in the accumulator. | 902 |
| LDA | LOAD | Load the Accumulator with the contents of the memory address given. | 5xx |
| STA | STORE | Store the value in the Accumulator in the memory address given. | 3xx |
| ADD | ADD | Add the contents of the memory address to the Accumulator | 1xx |
| SUB | SUBTRACT | Subtract the contents of the memory address from the Accumulator | 2xx |
| BRP | BRANCH IF POSITIVE | Branch/Jump to the address given if the Accumulator is zero or positive. | 8xx |
| BRZ | BRANCH IF ZERO | Branch/Jump to the address given if the Accumulator is zero. | 7xx |
| BRA | BRANCH ALWAYS | Branch/Jump to the address given. | 6xx |
| HLT | HALT | Stop the code | 000 |
| DAT | DATA LOCATION | Used to associate a label to a free memory address. An optional value can also be used to be stored at the memory address. |