The JNB instruction branches to the specified address if the specified bit operand has a value of 0. Otherwise, execution continues with the next instruction. No flags are affected by this instruction.

See Also: JB

JNB bit, offset

RS1

RS0

Bytes

Cycles

Encoding

00110000

bit

offset

Operation

JNB
PC = PC + 3
IF (bit) = 0
  PC = PC + offset

Example

JNB P1.3, LABEL

JNB

JNB