Ti-Tagged Object Format; Texas Instruments Sdsmac Object Format (–T Option) - Texas Instruments TMS320C54x User Manual

Description of the Object Formats
10.11.4 Texas Instruments SDSMAC Object Format (–t Option)
Figure 10–13. TI-Tagged Object Format
Start-of-file Load
record address
Program
identifier
K000COFFTOTI90000BFFFFBFFFFBFFFFBFFFFBFFFFBFFFFBFFFFBFFFFBFFFF7EF3DF
BFFFFBFFFFBFFFFBFFFFBFFFFBFFFFBFFFFBFFFFBFFFFBFFFFBFFFFBFFFFBFFFF7EE37F
BFFFFBFFFFBFFFFBFFFFBFFFFBFFFFBFFFFBFFFFBFFFFBFFFF7F245F
:
End-of-file
record
10-42
The TI-Tagged object format supports 16-bit addresses. It consists of a start-
of-file record, data records, and end-of-file record. Each of the data records is
made up of a series of small fields and is signified by a tag character. The sig-
nificant tag characters are:
Tag Character
K
7
8
9
B
F
*
Figure 10–13 illustrates the tag characters and fields in TI-Tagged object
format.
Tag characters
Data
words
If any data fields appear before the first address, the first field is assigned
address 0000h. Address fields may be expressed for any data byte, but none
is required. The checksum field, which is preceded by the tag character 7, is
a 2s complement of the sum of the 8-bit ASCII values of characters, beginning
with the first tag character and ending with the checksum tag character (7 or
8). The end-of-file record is a colon ( : ).
Description
followed by the program identifier
followed by a checksum
followed by a dummy checksum (ignored)
followed by a 16-bit load address
followed by a data word (four characters)
identifies the end of a data record
followed by a data byte (two characters)
Checksum
Data
records