Class: Whitespace::ISA::Swap

Inherits:
Instruction show all
Defined in:
lib/whitespace/instructions/stack_manipulation/swap.rb

Instance Attribute Summary

Attributes inherited from Instruction

#vm

Instance Method Summary collapse

Methods inherited from Instruction

#initialize

Constructor Details

This class inherits a constructor from Whitespace::ISA::Instruction

Instance Method Details

#execute ⇒ Object 



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# File 'lib/whitespace/instructions/stack_manipulation/swap.rb', line 3

def execute
  a = vm.vstack.pop
  b = vm.vstack.pop

  vm.vstack.push a
  vm.vstack.push b
end