de2 gray image vga output

thankyou for ur reply... we have already included our sdram part through sopc builder... after all studying and searching we came out with different ways to store pixels in sdram and that were using a software/device that automatically perform this or to write a verilog code ... and through sopc builder but couldnt find any relevant help to do so... u mentioned this in ur reply "design a component with an Avalon Memory Mapped Master interface" could you please help me to start this or could refer any material that could help us doing it cause we havent got any relvant material till now..