strb

Store Register Byte (Immediate)

STRB <Wt>, [<Xn|SP>, #<pimm>]

Stores the low byte of a register.

Details

The Store Register Byte instruction stores the low byte of a register.

Pseudocode Operation

Memory[address] ← Xn

Example

STRB w3, [x1, #16]

Encoding

Binary Layout
00111001
00
imm12
Rn
Rt
 
Format Load/Store
Opcode 0x39000000
Extension Base

Operands

  • Wt
    Transfer 32-bit integer register (load/store)
  • Xn
    First source / base 64-bit integer register
  • pimm
    Positive immediate offset