Setting up large? array in ASM and efficient interation

[botagar]

Hi.

I have a 'table'/array which has 0-255 elements (hex values). each element is 8 bits (eg 0xff).
How do i set that up in assembly?

Further more, i need a fast but variable time iteration method over my array.

I was coding this in C# but it seems that the compiler is making assembly that runs too slow. Its been ages since i touched ASM, and have pretty much forgotten all of it. I was hoping to code most of my project in C#, but have only this timing critical part in Assembly.

I also have no idea how I'd do that because I've never 'mixed' 'languages' before. :P

If someone could point me in the right direction, I'd greatly appreciate it.

Thanks.