Regulus Berdin [rberdin at BIGFOOT.COM]
this is 2x faster (500kbps @ 4MHz) : ; serial tx ; assumes PORTB1 initially on high state rrf data,w xorwf data,f movlw 1 xorwf PORTB,f ;start bit skpnc xorwf PORTB,f ;b0 btfsc data,0 xorwf PORTB,f ;b1 btfsc data,1 xorwf PORTB,f ;b2 btfsc data,2 xorwf PORTB,f ;b3 . . . nop bsf PORTB,0 ;
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Ashley Roll has put together a really nice little unit here. Leave off the MAX232 and keep these handy for the few times you need true RS232!
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