There is a wide assortment of cheap development (dev) boards for Complex Programmable ... that the Max V device has a core voltage of 1.8v and I have elected to run the interface pins at 3.3V ...

The Digital Blocks DB8255A Programmable Peripheral Interface IP core is a full function equivalent to the Intel 8255A / 82C55A and Harris / Intersil 82C55A devices. The DB8255A RTL Verilog ...