Jupiter is an open source and education-oriented RISC-V assembler and runtime simulator. It is written in Java 11 and capable of simulate all the instructions of the base integer ISA (
Iextension) plus the
Fextensions (RV32IMF), including all the pseudo-instructions described in the user-level instruction set manual. It was developed taking into account that it could be used in various courses such as: Computer Architecture, Compilers and Assembly Programming.