SHIFTAON
if (state & SHIFTAON) {
if (state & SHIFTAON) {
if (state & SHIFTAON) {
if (state & SHIFTAON) {
if (state & SHIFTAON) {
if (state & SHIFTAON) {
*shiftstate &= ~SHIFTAON;
*shiftstate = state & ~SHIFTAON;
state &= ~SHIFTAON;
state |= SHIFTAON;
state |= SHIFTAON;
state |= SHIFTAON;
state |= SHIFTAON;
state |= SHIFTAON;
state |= SHIFTAON;