Sid Weaver wrote:
> I understand it is possible to write a program using  Timer 0 or Timer
> 1 that runs in the background and generates a square wave.  I need a
> square wave at 100 Hz 50% duty cycle to pulse large LCDs.
>
> Can some one tell me how to do this using PBasic, since I don't know
> Assembly.  I have the F870, F873, F876 and F877.

Note: [PIC]: tag added to subject. Sounds like an excellent job for
the on-chip PWM module which uses Timer 1. Although it produces ASM
code, have a look at the absolutely brilliant "PWM calculator"
program thant Tony Nixon posted here just last week. At the very
least it will give you a good understanding on how the PWM module
works.

Tony Nixon wrote:
> I just posted a PIC PWM calculator for Windows if anyones interested.
>
> Set the PWM how you want it and the code is copied to the clipboard
> ready for pasting into your ASM file.
>
> http://www.bubblesoftonline.com/demo/picpwm.zip

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