ST20CX 查看數據表（PDF） - STMicroelectronics

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ST20CX

Instruction Set Reference Manual

STMicroelectronics 

cj n

cj n

conditional jump

Code: Function A

Description: Jump if Areg is 0 (i.e. jump if false). The destination of the jump is

expressed as a byte offset from the instruction following.

Definition:

if (Areg = 0)

Iptr′ ← next instruction + n

else

{

Iptr′ ← next instruction

Areg′ ← Breg

Breg′ ← Creg

Creg′ ← undefined

}

Error signals: none

Comments:

Primary instruction.

See also: j lend

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