Revert "Agora já podemos tratar as funções mnemonicas!"

This reverts commit 4113109a7ec168122b46097b6f833c198a3708ed.
Revert "Revert "Agora já podemos tratar as funções mnemonicas!""

This reverts commit 02f8b794ef84bbe737eea07e5e3ce7fd8af8db80.