GNUSim8085 is a graphical simulator, assembler and debugger for the Intel 8085 microprocessor. The application has following features. - A simple editor component with syntax highlighting. - A keypad to input assembly language instructions with appropriate arguments. - Easy view of register contents. - Easy view of flag contents. - Decimal <–> Hexadecimal converter. - View of stack, memory and I/O contents. - Support for breakpoints for program debugging. - Stepwise program execution. - One click conversion of assembly program to opcode listing. - Printing support. - UI translated in various languages.