achtbit
An 8 bit emulator created on the scratch, including an assembler.
...It has a builtin assembler to load assembler programs.
There is a rudimentary rom that implements some basic functions like line input, or a system clock.
Also there is a snake game, (depending on that rom), as a reference and for fun!
Take a look, give me your reply!
When having ideas for better performance, let me know!