D-21
9.
MPP command is used to read the start status of the top level and pop it out from stack.
Because it is the last item of the horizontal line, it means the status of this horizontal line
is ending.
You can recognize this command by the symbol “
└
”. Basically, that is all right to use the above
method to analyze but sometimes compiler will
omit the same outputs as shown at the right.
MPS
MRD
MPP
MPP
MPS