diff options
Diffstat (limited to 'Ryujinx.HLE/HOS/Tamper/CodeEmitters/LegacyArithmetic.cs')
| -rw-r--r-- | Ryujinx.HLE/HOS/Tamper/CodeEmitters/LegacyArithmetic.cs | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/Ryujinx.HLE/HOS/Tamper/CodeEmitters/LegacyArithmetic.cs b/Ryujinx.HLE/HOS/Tamper/CodeEmitters/LegacyArithmetic.cs deleted file mode 100644 index 479c80ec..00000000 --- a/Ryujinx.HLE/HOS/Tamper/CodeEmitters/LegacyArithmetic.cs +++ /dev/null @@ -1,57 +0,0 @@ -using Ryujinx.HLE.Exceptions; -using Ryujinx.HLE.HOS.Tamper.Operations; -using System; - -namespace Ryujinx.HLE.HOS.Tamper.CodeEmitters -{ - /// <summary> - /// Code type 7 allows performing arithmetic on registers. However, it has been deprecated by Code - /// type 9, and is only kept for backwards compatibility. - /// </summary> - class LegacyArithmetic - { - const int OperationWidthIndex = 1; - const int DestinationRegisterIndex = 3; - const int OperationTypeIndex = 4; - const int ValueImmediateIndex = 8; - - const int ValueImmediateSize = 8; - - private const byte Add = 0; // reg += rhs - private const byte Sub = 1; // reg -= rhs - private const byte Mul = 2; // reg *= rhs - private const byte Lsh = 3; // reg <<= rhs - private const byte Rsh = 4; // reg >>= rhs - - public static void Emit(byte[] instruction, CompilationContext context) - { - // 7T0RC000 VVVVVVVV - // T: Width of arithmetic operation(1, 2, 4, or 8 bytes). - // R: Register to apply arithmetic to. - // C: Arithmetic operation to apply, see below. - // V: Value to use for arithmetic operation. - - byte operationWidth = instruction[OperationWidthIndex]; - Register register = context.GetRegister(instruction[DestinationRegisterIndex]); - byte operation = instruction[OperationTypeIndex]; - ulong immediate = InstructionHelper.GetImmediate(instruction, ValueImmediateIndex, ValueImmediateSize); - Value<ulong> rightHandSideValue = new Value<ulong>(immediate); - - void Emit(Type operationType) - { - InstructionHelper.Emit(operationType, operationWidth, context, register, register, rightHandSideValue); - } - - switch (operation) - { - case Add: Emit(typeof(OpAdd<>)); break; - case Sub: Emit(typeof(OpSub<>)); break; - case Mul: Emit(typeof(OpMul<>)); break; - case Lsh: Emit(typeof(OpLsh<>)); break; - case Rsh: Emit(typeof(OpRsh<>)); break; - default: - throw new TamperCompilationException($"Invalid arithmetic operation {operation} in Atmosphere cheat"); - } - } - } -} |
