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Improvements to audout (#58)

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* Some audout refactoring and improvements

* More audio improvements

* Change ReadAsciiString to use long for the Size, avoids some casting
This commit is contained in:
gdkchan 2018-03-15 21:06:24 -03:00 committed by GitHub
parent 70f8db413b
commit 08f761662b
1 changed files with 34 additions and 4 deletions
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38
Memory/AMemoryHelper.cs
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@ -1,4 +1,6 @@
using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
namespace ChocolArm64.Memory
@ -20,11 +22,11 @@ namespace ChocolArm64.Memory
}
}
public static byte[] ReadBytes(AMemory Memory, long Position, int Size)
public static byte[] ReadBytes(AMemory Memory, long Position, long Size)
{
byte[] Data = new byte[Size];
for (int Offs = 0; Offs < Size; Offs++)
for (long Offs = 0; Offs < Size; Offs++)
{
Data[Offs] = (byte)Memory.ReadByte(Position + Offs);
}
@ -40,11 +42,39 @@ namespace ChocolArm64.Memory
}
}
public static string ReadAsciiString(AMemory Memory, long Position, int MaxSize = -1)
public unsafe static T Read<T>(AMemory Memory, long Position) where T : struct
{
long Size = Marshal.SizeOf<T>();
if ((ulong)(Position + Size) > AMemoryMgr.AddrSize)
{
throw new ArgumentOutOfRangeException(nameof(Position));
}
IntPtr Ptr = new IntPtr((byte*)Memory.Ram + Position);
return Marshal.PtrToStructure<T>(Ptr);
}
public unsafe static void Write<T>(AMemory Memory, long Position, T Value) where T : struct
{
long Size = Marshal.SizeOf<T>();
if ((ulong)(Position + Size) > AMemoryMgr.AddrSize)
{
throw new ArgumentOutOfRangeException(nameof(Position));
}
IntPtr Ptr = new IntPtr((byte*)Memory.Ram + Position);
Marshal.StructureToPtr<T>(Value, Ptr, false);
}
public static string ReadAsciiString(AMemory Memory, long Position, long MaxSize = -1)
{
using (MemoryStream MS = new MemoryStream())
{
for (int Offs = 0; Offs < MaxSize || MaxSize == -1; Offs++)
for (long Offs = 0; Offs < MaxSize || MaxSize == -1; Offs++)
{
byte Value = (byte)Memory.ReadByte(Position + Offs);