One critical FW bug fixed (interrupts handling on NMOS 6502), some additional work on examples, various bug fixes and complete simulator overhaul.
- added user app framework for C programs,
- fixed hello world crams example,
- added guess game,
- added primes calculation,
- updated 3D model,
- added display stand 3D model,
- fixed interrupts on NMOS 6502,
- optimized FW for size,
- rewrote simulator (no more threads, use CPU simulator lib simak65),
- added I2C memory to the simulator,
- fixed readme.