Synopsys:
popom
Pop and set output mode.
This instructions pops a signed integer from the stack and uses it to set the new output mode to be used when printing PVM values. Valid values are 0 for flat mode and 1 for tree mode.
If an invalid omode is specified then this instruction raises PVM_E_INVAL.
Stack: ( INT -- )
Exceptions: PVM_E_INVAL