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JB

The JB instruction branches to the address specified in the second operand if the value of the bit specified in the first operand is 1. The bit that is tested is not modified. No flags are affected by this instruction.

See Also: JNB

JB bit, offset
C AC F0 RS1 RS0 OV   P
Bytes 3
Cycles 2
Encoding
00100000 bit offset
Operation 
JB
PC = PC + 3
IF (bit) = 1
  PC = PC + offset
Example 
JB P1.2 LABEL

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