The following list describes the return codes provided and the actions they cause.

Code

Action

00

Print the print buffer and call the appendage again for the same trace record

04

Print the print buffer, then locate the next record

08

Locate the next record. When your appendage uses the model processor to display the record, use this value.

12

Display the record in hexadecimal dump format, then locating the next record

16

Disable the appendage, with a message describing the situation.