ldrb

Load Register Byte (A32)

LDRB<c> <Rt>, [<Rn>, #+/-<imm>]

Loads a byte from memory (Zero extended).

Details

The Load Register Byte instruction loads a byte from memory (Zero extended).

Pseudocode Operation

Rt ← Memory[address]

Example

LDRB r3, [r1, #+/-#16]

Encoding

Binary Layout
cond
010
P
U
1
W
1
Rn
Rt
imm12
 
Format Load/Store
Opcode 0x04400000
Extension A32 (Base)

Operands

  • Rt
    Transfer general-purpose register (load/store)
  • Rn
    First source / base general-purpose register