NMI_IRQ_ENABLE
SC_NMI_WRITE(sc, sc->cfg->enable_reg, ~NMI_IRQ_ENABLE);
SC_NMI_WRITE(sc, sc->cfg->enable_reg, NMI_IRQ_ENABLE);
SC_NMI_WRITE(sc, sc->cfg->enable_reg, ~NMI_IRQ_ENABLE);
SC_NMI_WRITE(sc, sc->cfg->enable_reg, ~NMI_IRQ_ENABLE);
SC_NMI_WRITE(sc, sc->cfg->enable_reg, ~NMI_IRQ_ENABLE);