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PI registers.

master
Nabile Rahmani 2017-10-30 22:09:25 +01:00
parent 2ebfa53387
commit 20c2b5ab78
3 changed files with 34 additions and 7 deletions
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10
DotN64/MI/MIPSInterface.InitModeRegister.cs
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@ -19,8 +19,8 @@ namespace DotN64.MI
ClearRDRAMRegSection = BitVector32.CreateSection(1, ClearDPInterruptSection),
SetRDRAMRegModeSection = BitVector32.CreateSection(1, ClearRDRAMRegSection);
private static readonly BitVector32.Section initModeSection = BitVector32.CreateSection(1, InitLengthSection),
ebusTestModeSection = BitVector32.CreateSection(1, initModeSection),
rdramRegModeSection = BitVector32.CreateSection(1, ebusTestModeSection);
eBusTestModeSection = BitVector32.CreateSection(1, initModeSection),
rdramRegModeSection = BitVector32.CreateSection(1, eBusTestModeSection);
#endregion
#region Properties
@ -36,10 +36,10 @@ namespace DotN64.MI
set => bits[initModeSection] = Convert.ToInt32(value);
}
public bool EbusTestMode
public bool EBusTestMode
{
get => Convert.ToBoolean(bits[ebusTestModeSection]);
set => bits[ebusTestModeSection] = Convert.ToInt32(value);
get => Convert.ToBoolean(bits[eBusTestModeSection]);
set => bits[eBusTestModeSection] = Convert.ToInt32(value);
}
public bool RDRAMRegMode

4
DotN64/MI/MIPSInterface.cs
View File

@ -33,8 +33,8 @@ namespace DotN64.MI
mode.InitMode &= bits[InitModeRegister.ClearInitModeSection] == 0;
mode.InitMode |= bits[InitModeRegister.SetInitModeSection] != 0;
mode.EbusTestMode &= bits[InitModeRegister.ClearEbusTestModeSection] == 0;
mode.EbusTestMode |= bits[InitModeRegister.SetEbusTestModeSection] != 0;
mode.EBusTestMode &= bits[InitModeRegister.ClearEbusTestModeSection] == 0;
mode.EBusTestMode |= bits[InitModeRegister.SetEbusTestModeSection] != 0;
if (bits[InitModeRegister.ClearDPInterruptSection] != 0)
throw new NotImplementedException("Clear DP interrupt.");

27
DotN64/PI/PeripheralInterface.cs
View File

@ -27,6 +27,21 @@ namespace DotN64.PI
new Domain(),
new Domain()
};
/// <summary>
/// Starting RDRAM address.
/// </summary>
public uint DRAMAddress { get; set; }
/// <summary>
/// Starting AD16 address.
/// </summary>
public uint PBusAddress { get; set; }
/// <summary>
/// Write data length.
/// </summary>
public uint WriteLength { get; set; }
#endregion
#region Constructors
@ -82,6 +97,18 @@ namespace DotN64.PI
new MappingEntry(0x04600020, 0x04600023) // PI dom1 release.
{
Write = (o, v) => Domains[0].Release = (byte)v
},
new MappingEntry(0x04600000, 0x04600003) // PI DRAM address.
{
Write = (o, v) => DRAMAddress = v & ((1 << 24) - 1)
},
new MappingEntry(0x04600004, 0x04600007) // PI pbus (cartridge) address.
{
Write = (o, v) => PBusAddress = v
},
new MappingEntry(0x0460000C, 0x0460000F) // PI write length.
{
Write = (o, v) => WriteLength = v & ((1 << 24) - 1)
}
};
}