SSBC - Simple Stack Based Computer

The SSBC is a simple turing complete system with only 11 instructions.

Visual SSBC

This is a simple web-based interpreter and debugger for the machine. Run it in the browser over at babakanoosh.github.io/Visual-SSBC/index.html.

Origin

Original machine specifications developed by Dr. Peter Walsh at VIU and used for CSCI 261 - Assembly Languages. This web interpreter was originally developed by Dr. Julie Beeston and hosted on her website.

Now

It is being updated by a student at VIU.

The op-codes have been updated to work with the latest SSBC version. The "GUI" has been slightly re-done for ease of use. The code has re-structured, re-formatted, and re-factored for maintainability and updatability.

Development (Present & Planned)

• V1_1_alpha_2 debugger

  • Simple Debugger....more info later todo

• V1_1_alpha_1 full specification emulation

  • Code and Memory-mapped I/O are now on the stack. (Yup, the code and memory can overwrite each other!) todo
  • Full size of stack. todo

• Visual SSBC 1.0

  • Features:

    • New HTML layout.
    • Stack and code table are scrollable.
    • Stack and code have Dec and Hex line numbering.
    • Console based debugger. Press F12 or CTRL+SHIFT+I to view output

  • Improvements:

    • Basic user input checking to prevent stupid mistakes.
    • Increased size of stack. (48 -> 1024 Bytes)
    • Increased size of code. (256 -> 1024 Bytes)

  • Bug Fixes:

    • Bytes no-longer change from binary to decimal during execution.
    • Various bug fixes in the execution routine.

• V1_beta

  • bug fixes todo

• V1_alpha_2 new features

  • Increased size of stack. (48 -> 1024 Bytes)
  • Added a nav bar
    • SSBC documentation
    • Interpreter settings
    • Interpreter info

• V1_alpha fixing what we have

  • New HTML layout!
  • Interpreter actually works with new HTML layout.
  • Stack and code table scrollable.
  • Simplified HTML structure and removed rendundant stuff.
  • Increased size of stack. (48 -> 512 Bytes)
  • Increased size of code. (256 -> 1024 Bytes)
  • Stack and code now have Dec and Hex line numbering.
  • Code is now just vertical, not the previous confusing horizontal wrap around design.
  • Bytes no-longer change from binary to decimal during execution.
  • Stack and Code area size filled in by javascript DOM code to avoid HTML clutter.
  • Various bug fixes in the execution routine.
  • Basic user input checking to prevent stupid mistakes.

• Original++ (master) fixed the most essential things

  • Updated opcodes to latest SSBC specification.
  • Can't see full stack.....so stack is now scrollable.
  • Resetting and reloading code is now possible without reloading the webpage.
  • Added some UI headers.

• Original