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