KEIL IS GIVEN ME A MESSAGE LIKE THIS
( MAIN.asm(718): error A45: UNDEFINED SYMBOL (PASS-2)
and these are the symbols which is undefined, ofcourse its registers,

IT registers; ( IEN0 EC, IPL0, IPH0, IPH1, IPL1)

and PCA registers
(CR ; CL, CH, CMOD, CCAPM1, CCAPM2, CCAPM3, CCAPM4 )

wish these are the names which u need to know.