This is a reconstruction of an 1980s-era Apple ][+ implemented in VHDL for FPGAs.
The source code is copied from
Stephen A. Edwards, sedwards@cs.columbia.edu
http://www1.cs.columbia.edu/~sedwards
http://www1.cs.columbia.edu/~sedwards/apple2fpga/
Build ToDO
Download the Apple II roms from the web
F12 Switch debug info screen on/off
F2 Track + 1
F3 Track - 1
F6 Switch b/w mode / colormode