Try to use isntead of t2mod, t2con, rcap2h and rcap2l, the right address. For example: The address of t2mod is 0C8h, so the instruction mov t2mod,#00h, will be mov 0c8h,#00h.
I don´t know if it works but I faced the same problem in my compiler and I will try to do that.

Best regards,
Ricardo VALLE