hex file problem

[engineer7]

thanks a lot sir.you saved my day.n i just wana ask one more think.it is that i am using PULSIN function.so for that particular function do i have to add any configuration fuses or not???

[Archangel]

Copy Paste from the book:

The resolution of PULSIN is dependent upon the oscillator frequency. If
a 4MHz oscillator is used, the pulse width is returned in 10us increments.
If a 20MHz oscillator is used, the pulse width will have a 2us resolution.

Defining an OSC value has no effect on PULSIN. The resolution always
changes with the actual oscillator speed.
PULSIN normally waits a maximum of 65535 counts before it determines
there is no pulse. If it is desired to wait fewer or more counts before it
stops looking for a pulse or the end of a pulse, a DEFINE can be added:
DEFINE PULSIN_MAX 1000
This DEFINE also affects RCTIME in the same manner.

‘ Measure high pulse on Pin4 stored in W3
PULSIN PORTB.4,1,W3

So the short answer is I do not think so, beyond the configs stated including the HS_OSC. I am guessing you have commented out the default configs in the 16F877A.inc file in PBP root directory.
Set up a word variable to store your results.
whatever number you get multiply by 2 micro seconds and that is your result at 20 mhz osc. Pulsin sets the tris like High / Low does.

[engineer7]

ok.got it.thanks a lot sir!