# srec_tektronix_extended

NAME
DESCRIPTION
The Lines
The Fields
Record Types
Size Multiplier
EXAMPLE
COPYRIGHT
MAINTAINER

## NAME

srec_tektronix_extended - Tektronix Extended hexadecimal file format

## DESCRIPTION

This format allows binary files to be uploaded and downloaded between two computer systems, typically between a computer system (such as a PC, Macintosh, or workstation) and an emulator or evaluation board for microcontrollers and microprocessors.

### The Lines

Lines always start with a percent (%) character. Each line consists of 5 fields. These are the length field, the type field, the checksum, the address field (including address length), and the data field.

### The Fields

Record Length

The record length field is a 2 character (1 byte) field that specifies the number of characters (not bytes) in the record, excluding the percent.

| Type |  | The type field is a 1 character field that specifies whether the record is data (6) or termination (8).

Checksum

The checksum is an 2 character (1 byte) field that represents the sum of all the nibbles on the line, excluding the checksum.

| Address |  | This is a 9 character field. The first character is the address size; it is always 8. The remaining 8 chgaracters are the 4-byte address that specifies where the data is to be loaded into memory.
| Data |  | The data field contains the executable code, memory-loadable data or descriptive information to be transferred.

### Record Types

| 6 |  | A record containing data. The data is placed at the address specified.
| 8 |  | A termination record. The address field may optionally contain the address of the instruction to which control is passed. There is no data field.

### Size Multiplier

In general, binary data will expand in sized by approximately 2.5 times when represented with this format.

## EXAMPLE

Here is an example Tektronix extended file. It contains the data “Hello, World” to be loaded at address 0x006B.

%256D980000006B48656C6C6F2C20576F726C64210A
%09819800000000

## COPYRIGHT

srec_cat version 1.65
Copyright (C) 1998... Peter Miller

The srec_cat program comes with ABSOLUTELY NO WARRANTY; for details use the ’srec_cat -VERSion License’ command. This is free software and you are welcome to redistribute it under certain conditions; for details use the ’srec_cat -VERSion License’ command.

## MAINTAINER