I hava problem when i write the code to operate the timer2 in 16-bit auto--reload mode.
here is the code sample

org 0000h
mov t2mod,#02h
mov t2con,#00h
mov rcap2h,#0ffh
mov rcap2l,#0d4h
setb tr2
end

keil shows "UNDEFINED SYMBOL" error for t2mod,t2con,rcap2h,rcap2l.

how i should write that?

regards
ilancheliyan