Once upon a time, in a world where gaming consoles were the norm, there existed a legendary gaming station known as the SNES (Super Nintendo Entertainment System). The SNES was a 16-bit powerhouse that brought iconic games like Super Mario World, The Legend of Zelda: A Link to the Past, and Street Fighter II to life.
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The gamers were baffled. How could a PS2 game run on an SNES? They soon discovered that a team of brilliant, yet eccentric, developers had created an emulator that allowed PS2 games to be played on the SNES. The emulator, dubbed "PS2 Link," was an engineering marvel that enabled the SNES to mimic the PS2's architecture.
However, the dream was short-lived. The original developers of the PS2 Link emulator had long since disappeared, and the project was abandoned. The ISOs, once created, began to vanish from the internet, and the SNES, now a relic of the past, collected dust on store shelves.
As news of the PS2 Link spread, gamers and developers alike began to experiment with the technology. They created custom ISOs, linking PS2 games to the SNES. Players could now enjoy PS2 classics like Metal Gear Solid 3: Snake Eater and Okami on their trusty SNES.
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. |