public void WriteToSegmentSelectionRegister(Z80Page page, byte segmentNumber)
{
segmentNumber &= segmentMask;
if (segmentsInEachPage[page] == segmentNumber)
{
return;
}
addressOffsetsPerEachPage[page.AddressMask] = segmentNumber * segmentSize;
segmentsInEachPage[page] = segmentNumber;
BankValueChanged?.Invoke(this, new BankValueChangedEventArgs(page, segmentNumber));
}
private void SetBankValueCore(byte value)
{
if (value == currentBlock)
{
return;
}
contentsOffset = value * bankSize;
currentBlock = value;
BankValueChanged?.Invoke(this, new BankValueChangedEventArgs(0, value));
}
private void SetBankValueCore(int bankNumber, byte value)
{
var oldValue = blockNumbersInEachBank[bankNumber];
if (oldValue == value)
{
return;
}
var bankStartAddress = bankStartAddresses[bankNumber];
var contentsOffset = value * bankSize;
contentsOffsetsPerEachBank[bankStartAddress] = contentsOffset;
blockNumbersInEachBank[bankNumber] = value;
BankValueChanged?.Invoke(this, new BankValueChangedEventArgs(bankNumber, value));
}
