Fetch Execute Cycle
Computer Science

Simulation screen

Fetch Execute Cycle v1.1

Welcome to our simulation of the fetch execute cycle. The simulator allows you to run your own programs and watch the processor's internal registers as the code is executed. The simulation requires the Macromedia Shockwave plugin.

Options

  1. Run the simulation (350 kB)
  2. Upload a program

If you are accessing this from home, then I suggest you download the program so that you can use it whenever you want

Download Simulation (350kB zip file) - Updated 24/11/2000

System Updates

11/10/2001 - v1.1 released. New RTL sequence for addressing modes to allow stack to be implemented. New commands JSR, RTS, Push, and POP implemented.
24/11/2000 - reduced default level of feedback
22/10/2000- corrected Indirect Indexed modes. (Missing MDR -> Acc instruction)

Feedback to ltdu@herts.ac.uk