fppa-pdk-tools

Disassembler: dispdk supports 13 bit, 14 bit, 15 bit and 16 bit opcodes

Emulator: emupdk supports 14 bit opcodes, no peripheral support yet requires mapping of processor ID in emucpu.c

PDK converter: depdk convert/deobfuscate any PDK file to binary

Documentation of instructionsets available here: https://free-pdk.github.io/