Revert "Revert "Only list implemented or opcodes which are planned to impemented in the near future (next few commits...)""

This reverts commit b9b167b1bfbde7a3047f5002ff002309a050633a.
Revert "Revert "Revert "Only list implemented or opcodes which are planned to impemented in the near future (next few commits...)"""

This reverts commit c19915528d5d5cf83817136bccaa4498d63c0fd0.