Example sequence of a target being re-started. Notice how the restart does not get any direct output:
->R00
<-+
target restarts ->?
<-+
<-T001:1234123412341234
->+
Example sequence of a target being stepped by a single instruction:
->G1445...
<-+
->s
<-+
time passes <-T001:1234123412341234
->+
->g
<-+
<-1455...
->+