Hi Enigma

Code:
' Config
'*******************************************************************************

#IF __PROCESSOR__ = "12F1840"

 #CONFIG
	__CONFIG    _CONFIG1, _FOSC_INTOSC & _WDTE_OFF & _PWRTE_ON  & _MCLRE_OFF & _CP_OFF  & _CPD_OFF & _BOREN_ON & _CLKOUTEN_OFF & _IESO_OFF & _FCMEN_OFF
 	__CONFIG 	_CONFIG2, _WRT_ALL & _PLLEN_ON & _STVREN_OFF & _BORV_LO & _LVP_OFF
#ENDCONFIG

#ELSE
    #MSG "Wrong Processor selected!"
#ENDIF

'*****************************************************************************
'Includes
'*****************************************************************************

INCLUDE "DT_INTS-14-2k.bas"
INCLUDE "ReEnterPBP.bas"

ASM
INT_LIST  macro    ; IntSource,        Label,  Type, ResetFlag?

     	INT_Handler    TMR1_INT,  _ClockCount,   PBP,  yes
           
    endm
    INT_CREATE            ; Creates the interrupt processor
ENDASM


INTCON.7 = 0				' Pour čtre sur !!!

'*******************************************************************************
' Ports init

TRISA		= 0
PORTA 		= 0
LATA		= 0

NeoPinW1     VAR LATA.0
NeoPinW2     VAR LATA.1
NeoPinR		 VAR LATA.2

'*******************************************************************************
' Chip  Initialization 

OSCCON  = %11110000 ' 8 Mhz internal x 4
OSCTUNE	= %00000000	' Internal osc Adjustment

WHILE !OSCSTAT.3	' Wait for stable OSC ...
WEND

INTCON	= 0
CPSCON0 = 0
CPSCON1 = 0 
ADCON0 	= 0
ADCON1	= %10000000
ANSELA 	= 0
CCP1CON = 0
CM1CON0 = 0
DACCON0 = 0
FVRCON	= 0

' Timer 1 

T1CON 	= %00110101		' Preload @ 15536, PS=8, run
T1GCON 	= 0
INTCON	= %11000000
PIE1	= %00000001
PIR1	= 0
This config works ...

But I remember It was somewhat tricky ...

I think this
Code:
WHILE !OSCSTAT.3	' Wait for stable OSC ...
WEND
made the chip run fine ...

Alain