Post by thread:Intel HEX formats

> >Is the format of the Intel HEX file available in electronic format >somewhere? Or is it so simple that someone can just quote it in an >e-mail message? The Intel Hex Format is viewable by a text editor where you will find the following for example. :10000000050C24001f00C4401430684056000E40332 :06001000020A00000000DE :00000001FF Looking at the second line for reference you have: The new line marker : Then the first two bytes are the number of data bytes in the record 06 Then is a 4 byte address 0010 Followed by the record type 00 (01 means EOF) Then the actual data bytes followed by a two byte check sum DE The check sum is the 2's complement of all preceding bytes in the record for example: 6h + 10h + 2h + Ah = 22h = 00100010b Take 2's complement = 11011101b + 1 _________ 11011110b = DEh I hope this helps. Joseph D. West Electronics Lab. Supervisor College of Mechanical Eng. Ohio State University (614) 292-2845 Fax (614) 292-3163

Jason E Gorden wrote: >Is the format of the Intel HEX file available in electronic format >somewhere? > .... >I just want to write a simple filter to add device information to the >output generated by the PCM C compiler for use with PEP84 and the >Parallax programmer. Jason: Be careful... The addresses in the HEX file may not correspond exactly to the addresses in your PIC, since the 16C84 uses 14-bit words and the Intel Hex (8-Bit Merged) format expects only an 8-bit byte at each address. A quick look at the output of your compiler, using the information Joe West posted, should make the correspondence between actual addresses and HEX-file addresses clear. -Andy -- Andrew Warren - spam_OUTfastfwdTakeThisOuTix.netcom.com Fast Forward Engineering, Vista, California