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| Search found 2 matches |
| Author | Message |
|---|---|
 Topic: CRC16, very efficient |
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| PaulHolland Replies: 18 Views: 241073 |
 Forum: Code Library Posted: Sun Dec 13, 2009 10:21 am Subject: Fastest CRC-8 for PIC 12 & 16 |
| crc_8:
xorwf crc,f clrw btfsc crc,0 xorlw 0x5e btfsc crc,1 xorlw 0xbc btfsc crc,2 xorlw 0x61 btfsc crc,3 xorlw 0xc2 btfsc crc,4 xorlw 0x9d btfsc crc,5 xorlw ... |
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| Topic: CRC16, very efficient |
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| PaulHolland Replies: 18 Views: 241073 |
Forum: Code Library Posted: Sun Dec 13, 2009 10:16 am Subject: Fastest CRC-CCITT for PIC 12 & 16 |
| CRC_16: movf INDF,w ; FSR is pointing at input byte !.
CRC_16_Direct: xorwf CrcH,w ; movwf TMP ; andlw 0xF0 ; swapf TMP,f ; xorwf TMP,f ; movf TMP,W ; ... |
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