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Name the interrupt pins.

master
Nabile Rahmani 2018-12-11 19:36:26 +01:00
parent dcf1766d73
commit af652e45b4
3 changed files with 26 additions and 6 deletions
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1
DotN64/DotN64.csproj
View File

@ -104,6 +104,7 @@
<Compile Include="VideoFrame.cs" />
<Compile Include="Switch.cs" />
<Compile Include="RCP\DP\RealityCoprocessor.DisplayProcessor.Angrylion.cs" />
<Compile Include="RCP\MI\RealityCoprocessor.MIPSInterface.InterruptPins.cs" />
</ItemGroup>
<ItemGroup>
<Folder Include="CPU\" />

23
DotN64/RCP/MI/RealityCoprocessor.MIPSInterface.InterruptPins.cs Normal file
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@ -0,0 +1,23 @@
namespace DotN64.RCP
{
public partial class RealityCoprocessor
{
public partial class MIPSInterface
{
[System.Flags]
public enum InterruptPins : byte
{
/// <summary>RCP interrupt asserted.</summary>
RCP = 1 << 0,
/// <summary>A peripherial has generated an interrupt.</summary>
Cartridge = 1 << 1,
/// <summary>User has pushed reset button on console.</summary>
PreNMI = 1 << 2,
/// <summary>Indy has read the value in the RDB port.</summary>
RDBRead = 1 << 3,
/// <summary>Indy has written a value to the RDB port.</summary>
RDBWrite = 1 << 4
}
}
}
}

8
DotN64/RCP/MI/RealityCoprocessor.MIPSInterface.cs
View File

@ -8,10 +8,6 @@ namespace DotN64.RCP
{
public partial class MIPSInterface : Interface
{
#region Fields
private const byte InterruptPin = 1 << 0;
#endregion
#region Properties
private VR4300 CPU => rcp.nintendo64.CPU;
@ -113,9 +109,9 @@ namespace DotN64.RCP
private void UpdateInterrupt()
{
if ((Interrupt & InterruptMask) != 0)
CPU.Int |= InterruptPin;
CPU.Int |= (byte)InterruptPins.RCP;
else
CPU.Int &= unchecked((byte)~InterruptPin);
CPU.Int &= (byte)~InterruptPins.RCP;
}
#endregion
}