This directive is new to version 3. It writes a time stamp string to the target file.
In Version 3 of the SB-Assembler this directive will not perform a boundary sync.
A time stamp string can be written to your target file by using the .TS directive.
The system time at the start of the current assembly run is taken as time stamp.
This means that you can use .TS as often as you want, generating the same time stamp throughout the entire program.
.TS will write a 23 character time stamp to your target file in the format DOW YYYY-MM-DD HH:MM:SS. An example would be Wed 2019-09-18 04:51:01 thus giving the following byte sequence: