socz80 port for the de0 (not nano) board

Sergio L. Pascual e35013a1af Initial de0 nano support 9 anos atrás
vhdl e35013a1af Initial de0 nano support 9 anos atrás
Makefile e35013a1af Initial de0 nano support 9 anos atrás
de0_nano.tcl e35013a1af Initial de0 nano support 9 anos atrás