I adopted your code changes because they are a lot more elegant than my hac=
k job.=20

I found my problem was because I was using cblock instead of UDATA. I'm sur=
prised mplab didn't complain.. But it works as expected now. Thank you for =
your assistance!

Chas

---


On Sep 30, 2013, at 7:01 PM, IVP <joecolquitt@clear.net.nz> wrote:

>> Thank you, I had a sloppy CLRF INTCON .. I just changed it to
>> BCF INTCON,T0IF   ... no change.
>=20
> Hmmmm
>=20
> You don't really have to call delay1 (as is), seems unnecessary to
> reload OPTION each time, plus there's its included bank change
>=20
> Maybe simplify, just CALL T0_OVFL_WAIT and remove the two
> BANKSEL int_delay1. It's possible there's a banksel problem
>=20
> Keep this as a separate call, needs using only once
>=20
>            BANKSEL TMR0
>            CLRF TMR0
>            CLRF INTCON       ;INTCON is in all banks, no need to banksel
>            BANKSEL OPTION_REG      ; Bank1
>            MOVLW 0xC3              ; PortB pull-ups are disabled,
>            MOVWF OPTION_REG
>            BANKSEL int_delay1
>            RETURN
>=20
> ;-------------
>=20
> delay2
>            MOVLW   0x01
>            MOVWF   int_delay1
> OLOOP
>            CALL    T0_OVFL_WAIT
>            DECFSZ int_delay1,F
>            GOTO OLOOP
>          RETURN
>=20
> T0_OVFL_WAIT
>            BTFSS INTCON, T0IF
>            GOTO T0_OVFL_WAIT
>            BCF INTCON,T0IF
>           RETURN
>=20
> Joe
> --=20
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