The editor comes with a built-in documentation for the M68K and MIPS instruction set including the valid addressing modes, description, examples for each instruction and directive. Visit the documentation

Feature rich tools to help you debug your code. Includes breakpoints, stepping, undo, stack tracer, register/memory diffing, decimal/hexadecimal conversions, stdout/stdin/errors, customisable shortcuts and settings, formatter and more. You can also customise the theme of the editor to your liking.