Would that be sufficient?


void timer2CM2_ISR (void) interrupt 13
{
CMH2 += 0x01; //increament CM2 HIGH byte by 1(256)
TM2IR &=~0x40; //Clear interrupt flag
if (CMH2= 0xFF)
CMH2= 0x00;
}

And initializing in the main

CML2=0xff;
CMH2=0x00;