Exchange Operations.md

75 - Exchange Operations

OP Code (Hexidecimal)	Operation1	Description	Gas
0x90	SWAP1 2 2	Exchange 1st and 2nd stack items	3
0x91	SWAP2 3 3	Exchange 1st and 3rd stack items2	3
0x9f	SWAP16 17 17	Exchange 1st and 17th stack items	3

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References

• Youtube Reference

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Tags

Instruction Set

Footnotes

1. (Mnemonic, Stack items placed, Stack items removed) ↩

2. SWAP2, SWAP3..SWAP15 swap 3rd, 4th..16th stack item respectively* ↩