User`s manual

S-Record Format

D-3

An S-record-format module may contain S-records of the following

types:

Note The upper bytes are assumed to be zero in addresses

that are smaller than 4 bytes (32 bits).

S0 The header record for each block of S-records. The code/data

Þeld may contain any descriptive information identifying the

following block of S-records. Under the operating system, a

resident linker command can be used to designate module

name, version number, revision number, and description

information which will make up the header record. The

address Þeld is normally zeroes.

S1 A record containing code/data and the 2-byte (16-bit) address

at which the code/data is to reside

S2 A record containing code/data and the 3-byte (24-bit) address

at which the code/data is to reside

S3 A record containing code/data and the 4-byte (32-bit) address

at which the code/data is to reside

S5 A record containing the number of S1, S2, and S3 records

transmitted in a particular block. This count appears in the

address Þeld. There is no code/data Þeld.

S7 A termination record for a block of S3 records. The address

Þeld may optionally contain the 4-byte address of the

instruction to which control is to be passed. There is no

code/data Þeld.

S8 A termination record for a block of S2 records. The address

Þeld may optionally contain the 3-byte address of the

instruction to which control is to be passed. There is no

code/data Þeld.

S9 A termination record for a block of S1 records. The address

Þeld may optionally contain the 2-byte address of the

instruction to which control is to be passed. Under the

operating system, a resident linker command can be used to

specify this address. If not speciÞed, the Þrst entry point

speciÞcation encountered in the object module input will be

used. There is no code/data Þeld.