By Nicolae Dumitrache (https://opencores.org/projects/next186_soc_pc)
JTOPL by Jose Tejada (@topapate)
A VHDL 16550 UART core Copyright (c) 2006 by H LeFevre
SN76489AN Compatible Implementation in VHDL Copyright (c) 2005, 2006, Arnim Laeuger (arnim.laeuger@gmx.net)
Port to MiST, CGA modes, VGA, PIT, PIC improvements by Gyorgy Szombathelyi