17.128 STURB

Store Register Byte (unscaled).

Syntax

STURB Wt, [Xn|SP{, #simm}]

Where:

Wt
Is the 32-bit name of the general-purpose register to be transferred.
Xn|SP
Is the 64-bit name of the general-purpose base register or stack pointer.
simm
Is the optional signed immediate byte offset, in the range -256 to 255, defaulting to 0.

Usage

Store Register Byte (unscaled) calculates an address from a base register value and an immediate offset, and stores a byte to the calculated address, from a 32-bit register. For information about memory accesses, see Load/Store addressing modes in the Arm® Architecture Reference Manual Arm®v8, for Arm®v8‑A architecture profile.

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