Virtual machine for executing Princeton I2CS Toy ISA
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examples
Makefile
README.md
toyvm.c

README.md

Toy Virtual Machine

Virtual machine for executing Toy ISA created by Introduction to CS, Princeton University.

Features

  • GDB-like debug interface
  • Allow setting breakpoint

Usage

Usage: toyvm [-d] [-v] ToyFile [InputFile]
       toyvm [--version| -h| --help]

NORMAL MODE
    -d            Enter Debug Mode
    -v            Verbose mode
    ToyFile       *.toy file you want to run.
    InputFile     This is optional, using InputFile instead of manually input.
    -h, --help    Show this help list.
    --version     Show version.

DEBUG MODE
    run, r        Run program
    step, s       Run program in step mode, each line is shown before executing.

    next, n       Execute next program line (after stopping).
    continue, c   Continue  running your program (after stopping, e.g. at a
                  break point).
    break [LINE]  Set a breakpoint, program will pause at break point.
    info          Show breakpoint information.
    delete [NUM]  Delete a breakpoint, NUM can be found by the `info' command.
    reg           Show register data.
    list [FMT]    List memory file. FMT can be a line or a range. If a line is
                  entered, list will show 13 line around it. If a ragne like
                  A..B is entered, list will show lines from A to B.
    disasm [FMT]  Disassemble the lines specified by FMT. FMT is same as the
                  FMT in `list'.
    verbose, v    Verbose mode, every instruction is shown before executing.
    noverbose, nv Disable verbose mode.
    quit, q       Quit toyvm debuger.

Bugs

Please report bugs to Aitjcize aitjcize@gmail.com

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request