using DE2 and TRDB_DC2, need vhdl files

Hallo guys.

I'm warking on project using DE2 and TRDB_DC2 digital camera.

I tried to translate verilog files, attached to TRDB_DC2,but I have troubles

with getting image on VGA.

I'm looking for vhdl code for SDRAM IS42S16400 on DE2 board,

I2C controller for TRDB_DC2 digital camera and VGA out for 640*480 resolution.

I'll be grateful for your help.