IRR0_IRQ0
if ((irr0 & IRR0_IRQ0) == 0) {
if (irr0 & IRR0_IRQ0)
_reg_write_1(SH7709_IRR0, irr0 & ~IRR0_IRQ0);
if (!(irr0 & IRR0_IRQ0)) {
_reg_write_1(SH7709_IRR0, irr0 & ~IRR0_IRQ0);