Software Notes on comparison, shift and incrementation commands Ш Compare (CMP...) Compares the contents of the accu with the contents of the operand. The result is set as internal flag which is evalua- ted by jump commands (see "4.4.2.5 Jump commands"). Ш Shift (LS...) Shifts the contents of the accu by one place. Ш Increment (INC...), Decrement (DEC...) Increments or decrements the contents of the accu by 1. 57