Hi, I have a project passed down by other ppl. I have an existing main.a51 and a HEX file. I'm using uVision2 for this prjt, but i do not know how to start with it as most of the example i saw is written in C. Are they the same? That means i add the assembly file, i.e. main.a51 in the Target 1> Source Group 1 folder then build the target will do? I'm very lost, pls help. Thanx. regards