This is a modified version of the SRAM_peripheral project that has the
SRAM built-in to the VGA peripheral.

Important files:

pcores/opb_xsb300e_vga_v1_00_a -- VGA peripheral with access to the SRAM
  hdl/vhdl/opb_xsb300e_vga.vhd -- the vhdl file that contains VGA stuff
                                  as well as SRAM behavior
  data/opb_xsb300e_vga_v2_1_0.mpd -- contains SRAM ports as well as VGA
