Problem with 16F648A

[Archangel]

Hi ngeronikolos,
Please read this thread:
http://www.picbasic.co.uk/forum/showthread.php?t=543
You will see to use internal Osc does not require you to set osc to HS, are you doing that manualy in the programmers fuse?, I ask because of your comment in define statement?
Early in your code put CMCON = 7 to disable comparators.
your statement:

'constants for RF configuration modes
CONRFRX var byte
CONRFTX var byte

these are set as variables not constants.
Call to nonexistant sub directory: GOSUB initRFConfig
What is " mpla " ?
your

 'constants to define receive/transmit modes at 2402 Mhz frequency
CONRFTX = $04
RFCurrentState = CONRFTX

If you had properly set those as constants, I do not think you could redefine them later in code, since you set them as VAR it works. to make them constants just rewrite as:

 CONRFTX CON $04

'at the beginning, then you give the variable RFCurrentState it's value as above RFCurrentState = CONRFTX .
This is your statament:
@ DEVICE pic16F648A, INTRC_OSC_NOCLKOUT ' system clock options
Change to :
@ DEVICE pic16F648A, INTOSC_OSC_NOCLKOUT ' use internal OSC instead of R/C osc
If you installed everything in the default places when you setup PBP then you should find a file called P16F648A in this directory:C:\Program Files\Microchip\MPASM Suite , open it and look at the last several lines to see all available config fuses for this chip.