Mastering Blockchain - Second Edition

Stack, memory, storage, and flow operations

This set of instructions contains all mnemonics that are necessary to store items on stack and memory. Also, instructions required for controlling program flow are also included in this range.

Mnemonic	Value	POP	PUSH	Gas	Description
POP	0x50	1	0	2	Removes items from the stack
MLOAD	0x51	1	1	3	Used to load a word from the memory
MSTORE	0x52	2	0	3	Used to store a word to the memory
MSTORE8	0x53	2	0	3	Used to save a byte to the memory
SLOAD	0x54	1	1	50	Used to load a word from the storage
SSTORE	0x55	2	0	0	Saves a word to the storage
JUMP	0x56	1	0	8	Alters the program counter
JUMPI