Ryujinx/ARMeilleure/Decoders/OpCode32BImm.cs
2022-02-11 23:08:01 +00:00

29 lines
No EOL
867 B
C#

namespace ARMeilleure.Decoders
{
class OpCode32BImm : OpCode32, IOpCode32BImm
{
public long Immediate { get; }
public new static OpCode Create(InstDescriptor inst, ulong address, int opCode, bool inITBlock) => new OpCode32BImm(inst, address, opCode, inITBlock);
public OpCode32BImm(InstDescriptor inst, ulong address, int opCode, bool inITBlock) : base(inst, address, opCode, inITBlock)
{
uint pc = GetPc();
// When the condition is never, the instruction is BLX to Thumb mode.
if (Cond != Condition.Nv)
{
pc &= ~3u;
}
Immediate = pc + DecoderHelper.DecodeImm24_2(opCode);
if (Cond == Condition.Nv)
{
long H = (opCode >> 23) & 2;
Immediate |= H;
}
}
}
}