Quote Originally Posted by debutpic View Post
I want to augment the speed of blink light by loading a value
in TMR1H and TMR1L but the speed does not change

code:

'********************
TMR1H = %11111111
TMR1L = %11111110
'********************
Loading that value %1111111111111110 = $FFFE = 65534
Means the timer will overflow after only 2 ticks.
A smaller number would help.

Also, it has to be loaded after every interrupt, not just at the beginning of the program.
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