static void external_int(nec_state_t *nec_state)
{
if (nec_state->pending_irq & NMI_IRQ)
{
nec_interrupt(nec_state, NEC_NMI_VECTOR, NMI_IRQ);
nec_state->pending_irq &= ~NMI_IRQ;
}
else if (nec_state->pending_irq)
{
/* the actual vector is retrieved after pushing flags */
/* and clearing the IF */
nec_interrupt(nec_state, (UINT32)-1, INT_IRQ);
nec_state->irq_state = CLEAR_LINE;
nec_state->pending_irq &= ~INT_IRQ;
}
}
void nec_common_device::external_int()
{
if (m_pending_irq & NMI_IRQ)
{
nec_interrupt(NEC_NMI_VECTOR, NMI_IRQ);
m_pending_irq &= ~NMI_IRQ;
}
else if (m_pending_irq)
{
/* the actual vector is retrieved after pushing flags */
/* and clearing the IF */
nec_interrupt((UINT32)-1, INT_IRQ);
m_irq_state = CLEAR_LINE;
m_pending_irq &= ~INT_IRQ;
}
}
static void nec_trap(nec_state_t *nec_state)
{
nec_instruction[fetchop(nec_state)](nec_state);
nec_interrupt(nec_state, NEC_TRAP_VECTOR, BRK);
}
void nec_common_device::nec_trap()
{
(this->*s_nec_instruction[fetchop()])();
nec_interrupt(NEC_TRAP_VECTOR, BRK);
}