private void UpdateSlotVisibleInPage3IsExpanded(Z80Page page, SlotNumber slotNumber)
{
if (page == 3)
{
slotVisibleInPage3IsExpanded = isExpanded[slotNumber.PrimarySlotNumber];
}
}
public void WriteToSlotSelectionRegister(byte value)
{
slotSelectionRegisterValue = value;
for (int p = 0; p < 4; p++)
{
Z80Page page = p;
var primarySlotNumber = value & 3;
SlotNumber slotNumber;
if (isExpanded[primarySlotNumber])
{
var subslotNumber = secondarySlotsSelectedForEachPrimarySlot[primarySlotNumber][page];
slotNumber = new SlotNumber(primarySlotNumber, subslotNumber);
}
else
{
slotNumber = new SlotNumber((byte)primarySlotNumber);
}
SetVisibleSlot(page, slotNumber);
value >>= 2;
}
if (SlotSelectionRegisterWritten != null)
{
SlotSelectionRegisterWritten(this, new SlotSelectionRegisterWrittenEventArgs(slotSelectionRegisterValue));
}
}
public void Can_be_implicitly_cast_to_int(int page)
{
var sut = new Z80Page(page);
var pageNumber = (int)sut;
Assert.AreEqual(sut.Value, pageNumber);
}
public void Address_mask_can_be_retrieved_via_AddressMask_property(int page)
{
var masks = new[] { 0x0000, 0x4000, 0x8000, 0xC000 };
var sut = new Z80Page(page);
Assert.AreEqual(masks[page], sut.AddressMask);
}
public void Can_create_instance_from_address(int page)
{
var address = (ushort)(page * 16384);
var sut = Z80Page.FromAddress(address);
Assert.AreEqual(page, sut.Value);
}
public void Two_instances_are_different_if_page_number_is_not_the_same(int page)
{
var sut1 = new Z80Page(page);
var sut2 = new Z80Page((page + 1) & 3);
Assert.True(sut1 != sut2);
Assert.False(sut1.Equals(sut2));
}
public void Two_instances_are_equal_if_page_number_is_the_same(int page)
{
var sut1 = new Z80Page(page);
var sut2 = new Z80Page(page);
Assert.True(sut1 == sut2);
Assert.True(sut1.Equals(sut2));
}
public void Can_be_compared_to_int(int page)
{
var sut = new Z80Page(page);
Assert.AreEqual(page, sut);
var otherPage = (page + 1) & 3;
Assert.AreNotEqual(otherPage, sut);
}
public PlainRomPlugin(PluginContext context, IDictionary <string, object> pluginConfig)
{
page = pluginConfig.GetValueOrDefault <int>("page", 0);
if (!pluginConfig.ContainsKey("file"))
{
throw new InvalidOperationException("No 'file' key in config file");
}
fileName = pluginConfig.GetMachineOrDataFilePath(pluginConfig.GetValue <string>("file"));
}
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));
}
public void EnableSlot(Z80Page page, SlotNumber slot)
{
ThrowIfUndefinedSlot(slot);
SetVisibleSlot(page, slot);
byte newSlotSelectionRegisterValue = 0;
for (var p = 0; p < 4; p++)
{
newSlotSelectionRegisterValue |= (byte)(visibleSlotNumbers[p].PrimarySlotNumber << 2 * p);
}
slotSelectionRegisterValue = newSlotSelectionRegisterValue;
}
private byte SlotSelectionRegisterValue(Z80Page page0, Z80Page page1, Z80Page page2, Z80Page page3)
{
return((byte)(page0 + (page1 << 2) + (page2 << 4) + (page3 << 6)));
}
public SlotNumber GetCurrentSlot(Z80Page page)
{
return(visibleSlotNumbers[page]);
}
private void SetVisibleSlot(Z80Page page, SlotNumber slotNumber)
{
visibleSlotNumbers[page] = slotNumber;
visibleSlotContents[page.AddressMask] = slotContents[slotNumber];
UpdateSlotVisibleInPage3IsExpanded(page, slotNumber);
}
public void Page_number_can_be_retrieved_via_PageNumber_property(int page)
{
var sut = new Z80Page(page);
Assert.AreEqual(page, sut.Value);
}
public void Can_create_instances_with_values_0_to_3(int page)
{
var sut = new Z80Page(page);
Assert.IsNotNull(sut);
}
