ST20CX 查看數據表（PDF） - STMicroelectronics

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ST20CX

Instruction Set Reference Manual

STMicroelectronics 

lb

lb

load byte

Code: F1

Description: Load the unsigned byte addressed by Areg into Areg.

Definition:

Areg′0..7

← byte[Areg]

Areg′8..BitsPerWord-1

←0

Error signals: none

Comments:

Secondary instruction.

See also: bsub devlb lbx ls ldul

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