ATTCH
r8a66597_write(r8a66597, ~ATTCH, get_intsts_reg(port));
if (mask2 & ATTCH) {
r8a66597_write(r8a66597, ~ATTCH, INTSTS2);
if (mask1 & ATTCH) {
r8a66597_write(r8a66597, ~ATTCH, INTSTS1);
r8a66597_write(r8a66597, ~ATTCH, get_intsts_reg(port));
if (irq_state.intsts1 & ATTCH)