private static CpuInterrupt Clear(ref CpuInterrupt cpuInterrupt)
{
var interrupt = cpuInterrupt;
cpuInterrupt = null;
return(interrupt);
}
private void DetermineINT(DigitalLevel level)
{
if (Cpu.Registers.Interrupt.IFF1 &&
level == DigitalLevel.Low)
{
var def = OpcodeDefinition.GetInterruptDefinition(Cpu.Registers.Interrupt.InterruptMode);
_pendingINT = new CpuInterrupt(Cpu, def);
}
}
private void DetermineNMI(DigitalLevel level)
{
// NMI is edge triggered
if (level == DigitalLevel.NegEdge)
{
var def = OpcodeDefinition.GetNmiDefinition();
_pendingNMI = new CpuInterrupt(Cpu, def);
}
}
