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Ryujinx/Ryujinx.HLE/HOS/Tamper/CodeEmitters/KeyPressConditional.cs

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using Ryujinx.HLE.HOS.Tamper.Conditions;
namespace Ryujinx.HLE.HOS.Tamper.CodeEmitters
{
/// <summary>
/// Code type 8 enters or skips a conditional block based on whether a key combination is pressed.
/// </summary>
class KeyPressConditional
{
private const int InputMaskIndex = 1;
private const int InputMaskSize = 7;
public static ICondition Emit(byte[] instruction, CompilationContext context)
{
// 8kkkkkkk
// k: Keypad mask to check against, see below.
// Note that for multiple button combinations, the bitmasks should be ORd together.
// The Keypad Values are the direct output of hidKeysDown().
ulong inputMask = InstructionHelper.GetImmediate(instruction, InputMaskIndex, InputMaskSize);
return new InputMask((long)inputMask, context.PressedKeys);
}
}
}