Hello,
Referring to this post
http://www.keil.com/forum/59779/
Maybe it is time to remove the simulator from uv5 to prevent confusion...?
If your developers can't fashion workable code without the exact/specific hardware the product will ultimately use, then you need to find better people. Unfortunately the money tends to draw a lot of talentless people into the field. lucky you! you evidently only work with hardware that has complete and accurate specificatins