I did a simulation in Proteus and it worked out fine. I only changed some line (chose m644 since there is no m644A in proteus). I remarked 'Config Lcdmode = Port
And in the slave i used : Config Spi = Hard , Interrupt = On , Data Order = Msb , Master = No , Polarity = Low , Phase = 0 , Clockrate = [b:ec8e08bd91]16 [/b:ec8e08bd91]
Please notice how i connected things.
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