With #19 merged in, we now have access to the CoP0 exception-related registers, meaning we can create basic exception-handling.

Exception types:

• Reset / NMI
  • Reset
  • NMI
• TLB Refill
  • Instruction fetch / load
  • Store
• Performance Counter
• Debug
• Interrupt
• Others
  • TLB Modified
  • TLB Invalid (Instruction fetch / load)
  • TLB Invalid (Store)
  • Address Error (Instruction fetch / load)
  • Address Error (Store)
  • Bus Error (Instruction fetch / load)
  • Bus error (Store)
  • System Call
  • Break
  • Reserved Instruction
  • Coprocessor Unusable
  • Overflow
  • Trap

Definition of Done:

• Create a basic panic handler, if possible using Rust's panic_handler function.
• Dump the values of the exception registers (such as CoP0.Cause) to EEOut.
• Create basic exception handlers which cover all the above listed exception types.