0x00

STOP

Halts execution

-

0

0x01

ADD

Addition operation

-

3

0x02

MUL

Multiplication operation

-

5

0x03

SUB

Subtraction operation

-

3

0x04

DIV

Integer division operation

-

5

0x05

SDIV

Signed integer division operation (truncated)

-

5

0x06

MOD

Modulo remainder operation

-

5

0x07

SMOD

Signed modulo remainder operation

-

5

0x08

ADDMOD

Modulo addition operation

-

8

0x09

MULMOD

Modulo multiplication operation

-

8

0x0a

EXP

Exponential operation

-

10***

0x0b

SIGNEXTEND

Extend length of two’s complement signed integer

-

5

0x0c - 0x0f

Unused

Unused

-

0x10

LT

Less-than comparison

-

3

0x11

GT

Greater-than comparison

-

3

0x12

SLT

Signed less-than comparison

-

3

0x13

SGT

Signed greater-than comparison

-

3

0x14

EQ

Equality comparison

-

3

0x15

ISZERO

Simple NOT operator

-

3

0x16

AND

Bitwise AND operation

-

3

0x17

OR

Bitwise OR operation

-

3

0x18

XOR

Bitwise XOR operation

-

3

0x19

NOT

Bitwise NOT operation

-

3

0x1a

BYTE

Retrieve single byte from word

-

3

0x1b - 0x1f

Unused

Unused

-

0x20

SHA3

Compute Keccak-256 hash

-

30

0x21 - 0x2f

Unused

Unused

-

0x30

ADDRESS

Get address of currently executing account

-

2

0x31

BALANCE

Get balance of the given account

-

400

0x32

ORIGIN

Get execution origination address

-

2

0x33

CALLER

Get caller address

-

2

0x34

CALLVALUE

Get deposited value by the instruction/transaction responsible for this execution

-

2

0x35

CALLDATALOAD

Get input data of current environment

-

3

0x36

CALLDATASIZE

Get size of input data in current environment

-

2

0x37

CALLDATACOPY

Copy input data in current environment to memory

-

3

0x38

CODESIZE

Get size of code running in current environment

-

2

0x39

CODECOPY

Copy code running in current environment to memory

-

3

0x3a

GASPRICE

Get price of gas in current environment

-

2

0x3b

EXTCODESIZE

Get size of an account’s code

-

700

0x3c

EXTCODECOPY

Copy an account’s code to memory

-

700

0x3d

RETURNDATASIZE

Pushes the size of the return data buffer onto the stack

EIP-211

2

0x3e

RETURNDATACOPY

Copies data from the return data buffer to memory

EIP-211

3

0x3f

Unused

-

-

0x40

BLOCKHASH

Get the hash of one of the 256 most recent complete blocks

-

20

0x41

COINBASE

Get the block’s beneficiary address

-

2

0x42

TIMESTAMP

Get the block’s timestamp

-

2

0x43

NUMBER

Get the block’s number

-

2

0x44

DIFFICULTY

Get the block’s difficulty

-

2

0x45

GASLIMIT

Get the block’s gas limit

-

2

0x46 - 0x4f

Unused

-

-

0x50

POP

Remove word from stack

-

2

0x51

MLOAD

Load word from memory

-

3

0x52

MSTORE

Save word to memory

-

3*

0x53

MSTORE8

Save byte to memory

-

3

0x54

SLOAD

Load word from storage

-

200

0x55

SSTORE

Save word to storage

-

0*

0x56

JUMP

Alter the program counter

-

8

0x57

JUMPI

Conditionally alter the program counter

-

10

0x58

GETPC

Get the value of the program counter prior to the increment

-

2

0x59

MSIZE

Get the size of active memory in bytes

-

2

0x5a

GAS

Get the amount of available gas, including the corresponding reduction in the amount of available gas

-

2

0x5b

JUMPDEST

Mark a valid destination for jumps

-

1

0x5c - 0x5f

Unused

-

-

0x60

PUSH1

Place 1-byte item on stack

-

3

0x61

PUSH2

Place 2-byte item on stack

-

3

0x62

PUSH3

Place 3-byte item on stack

-

3

0x63

PUSH4

Place 4-byte item on stack

-

3

0x64

PUSH5

Place 5-byte item on stack

-

3

0x65

PUSH6

Place 6-byte item on stack

-

3

0x66

PUSH7

Place 7-byte item on stack

-

3

0x67

PUSH8

Place 8-byte item on stack

-

3

0x68

PUSH9

Place 9-byte item on stack

-

3

0x69

PUSH10

Place 10-byte item on stack

-

3

0x6a

PUSH11

Place 11-byte item on stack

-

3

0x6b

PUSH12

Place 12-byte item on stack

-

3

0x6c

PUSH13

Place 13-byte item on stack

-

3

0x6d

PUSH14

Place 14-byte item on stack

-

3

0x6e

PUSH15

Place 15-byte item on stack

-

3

0x6f

PUSH16

Place 16-byte item on stack

-

3

0x70

PUSH17

Place 17-byte item on stack

-

3

0x71

PUSH18

Place 18-byte item on stack

-

3

0x72

PUSH19

Place 19-byte item on stack

-

3

0x73

PUSH20

Place 20-byte item on stack

-

3

0x74

PUSH21

Place 21-byte item on stack

-

3

0x75

PUSH22

Place 22-byte item on stack

-

3

0x76

PUSH23

Place 23-byte item on stack

-

3

0x77

PUSH24

Place 24-byte item on stack

-

3

0x78

PUSH25

Place 25-byte item on stack

-

3

0x79

PUSH26

Place 26-byte item on stack

-

3

0x7a

PUSH27

Place 27-byte item on stack

-

3

0x7b

PUSH28

Place 28-byte item on stack

-

3

0x7c

PUSH29

Place 29-byte item on stack

-

3

0x7d

PUSH30

Place 30-byte item on stack

-

3

0x7e

PUSH31

Place 31-byte item on stack

-

3

0x7f

PUSH32

Place 32-byte (full word) item on stack

-

3

0x80

DUP1

Duplicate 1st stack item

-

3

0x81

DUP2

Duplicate 2nd stack item

-

3

0x82

DUP3

Duplicate 3rd stack item

-

3

0x83

DUP4

Duplicate 4th stack item

-

3

0x84

DUP5

Duplicate 5th stack item

-

3

0x85

DUP6

Duplicate 6th stack item

-

3

0x86

DUP7

Duplicate 7th stack item

-

3

0x87

DUP8

Duplicate 8th stack item

-

3

0x88

DUP9

Duplicate 9th stack item

-

3

0x89

DUP10

Duplicate 10th stack item

-

3

0x8a

DUP11

Duplicate 11th stack item

-

3

0x8b

DUP12

Duplicate 12th stack item

-

3

0x8c

DUP13

Duplicate 13th stack item

-

3

0x8d

DUP14

Duplicate 14th stack item

-

3

0x8e

DUP15

Duplicate 15th stack item

-

3

0x8f

DUP16

Duplicate 16th stack item

-

3

0x90

SWAP1

Exchange 1st and 2nd stack items

-

3

0x91

SWAP2

Exchange 1st and 3rd stack items

-

3

0x92

SWAP3

Exchange 1st and 4th stack items

-

3

0x93

SWAP4

Exchange 1st and 5th stack items

-

3

0x94

SWAP5

Exchange 1st and 6th stack items

-

3

0x95

SWAP6

Exchange 1st and 7th stack items

-

3

0x96

SWAP7

Exchange 1st and 8th stack items

-

3

0x97

SWAP8

Exchange 1st and 9th stack items

-

3

0x98

SWAP9

Exchange 1st and 10th stack items

-

3

0x99

SWAP10

Exchange 1st and 11th stack items

-

3

0x9a

SWAP11

Exchange 1st and 12th stack items

-

3

0x9b

SWAP12

Exchange 1st and 13th stack items

-

3

0x9c

SWAP13

Exchange 1st and 14th stack items

-

3

0x9d

SWAP14

Exchange 1st and 15th stack items

-

3

0x9e

SWAP15

Exchange 1st and 16th stack items

-

3

0x9f

SWAP16

Exchange 1st and 17th stack items

-

3

0xa0

LOG0

Append log record with no topics

-

375

0xa1

LOG1

Append log record with one topic

-

750

0xa2

LOG2

Append log record with two topics

-

1125

0xa3

LOG3

Append log record with three topics

-

1500

0xa4

LOG4

Append log record with four topics

-

1875

0xa5 - 0xaf

Unused

-

-

0xb0

JUMPTO

Tentative libevmasm has different numbers

EIP 615

0xb1

JUMPIF

Tentative

EIP-615

0xb2

JUMPSUB

Tentative

EIP-615

0xb4

JUMPSUBV

Tentative

EIP-615

0xb5

BEGINSUB

Tentative

EIP-615

0xb6

BEGINDATA

Tentative

EIP-615

0xb8

RETURNSUB

Tentative

EIP-615

0xb9

PUTLOCAL

Tentative

EIP-615

0xba

GETLOCA

Tentative

EIP-615

0xbb - 0xe0

Unused

-

-

0xe1

SLOADBYTES

Only referenced in pyethereum

-

-

0xe2

SSTOREBYTES

Only referenced in pyethereum

-

-

0xe3

SSIZE

Only referenced in pyethereum

-

-

0xe4 - 0xef

Unused

-

-

0xf0

CREATE

Create a new account with associated code

-

32000

0xf1

CALL

Message-call into an account

-

Complicated

0xf2

CALLCODE

Message-call into this account with alternative account’s code

-

Complicated

0xf3

RETURN

Halt execution returning output data

-

0

0xf4

DELEGATECALL

Message-call into this account with an alternative account’s code, but persisting into this account with an alternative account’s code

-

Complicated

0xf5

CALLBLACKBOX

-

-

40

0xf6 - 0xf9

Unused

-

-

0xfa

STATICCALL

Similar to CALL, but does not modify state

-

40

0xfb

CREATE2

Create a new account and set creation address to sha3(sender + sha3(init code)) % 2**160

-

0xfc

TXEXECGAS

Not in yellow paper FIXME

-

-

0xfd

REVERT

Stop execution and revert state changes, without consuming all provided gas and providing a reason

-

0

0xfe

INVALID

Designated invalid instruction

-

0

0xff

SELFDESTRUCT

Halt execution and register account for later deletion

-

5000*