Hi Darrel,

I opened EE_Vars.PBP in MicroCodeStudio and changed the CON 0 TO CON 91 then saved the file and closed it. Then I compiled the firecracker code with the INCLUDE "EE_Vars.PBP" which compiled fine. I then programmed the code into the 688 and although the X, Y and Z variables are being saved when power is removed and re-applied to the circuit the firecracker code still isn't communicating with the firecracker transmitter and the X10 modules still won't turn On/Off?

Also, I tried commenting out the first line in EE_Vars.PBP then pasted it into my program with the starting address set to 91 as you suggested and when I try to compile I get an " ERROR Line 24: Redefinition of CON EE_start.(EE_Vars.PBP) ".

I'll try programming a new 688 micro tomorrow, could it be that my eeprom is corrupted now?

Thanks
jessey