Simple 8-bit Assembler Simulator

A simulator which provides a simplified assembler syntax (based on NASM) and is simulating a x86 like cpu. Press Help inside the simulator to see an overview about the supported instructions.

This repository is a fork off Schweigi/assembler-simulator

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Changes that I have done

• Documented the code. Put in some comments.
• In the example code I put a mention: You can also write in lowercase symbols
• Changed the repository link (Fork me on GitHub) in the index.html to this repository.
• Changed the README.md
• Added a CONTRIBUTION.md file.
• Changed the MIT-license.
• Added a clear button for clearing the code-input-field.
• I added new commands:
  • SQ (sq) : squares the content of the given register.

    mov a, 3
    sq a ; after that the register A contains 9

  • POW (pow) : computes the power x^n

    ; for example
    mov a, 2
    pow a, 3 ; after that the register A contains 8

  • MOD (mod) : computes the modulo a % b (a MOD b)

    ; for example
    mov a, 15
    mod a, 4 ; after that the register A contains 3

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TRY IT

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Features

• 8-bit CPU
• 4 general purpose registers
• 256 bytes of memory
• Console output

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How to build

Make sure you have Grunt installed to compile the asmsimulator.js script. Run grunt to build the project.

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Background

A technical introduction is available on my blog: www.mschweighauser.com.

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Orginal author of this repository

Marco Schweighauser

I use this repository as exercise for make me fit of open source projects.