Implement MSR instruction for A32 (#2585)
* Implement MSR instruction Fix #1342. Now Pocket Rumble is playable. * Address gdkchan's comments * Address gdkchan's comments * Address gdkchan's comment
This commit is contained in:
parent
8e1adb95cf
commit
501c3d5cea
3 changed files with 69 additions and 0 deletions
29
ARMeilleure/Decoders/OpCode32MsrReg.cs
Normal file
29
ARMeilleure/Decoders/OpCode32MsrReg.cs
Normal file
|
@ -0,0 +1,29 @@
|
|||
using ARMeilleure.State;
|
||||
|
||||
namespace ARMeilleure.Decoders
|
||||
{
|
||||
class OpCode32MsrReg : OpCode32
|
||||
{
|
||||
public bool R { get; }
|
||||
public int Mask { get; }
|
||||
public int Rd { get; }
|
||||
public bool Banked { get; }
|
||||
public int Rn { get; }
|
||||
|
||||
public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCode32MsrReg(inst, address, opCode);
|
||||
|
||||
public OpCode32MsrReg(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
|
||||
{
|
||||
R = ((opCode >> 22) & 1) != 0;
|
||||
Mask = (opCode >> 16) & 0xf;
|
||||
Rd = (opCode >> 12) & 0xf;
|
||||
Banked = ((opCode >> 9) & 1) != 0;
|
||||
Rn = (opCode >> 0) & 0xf;
|
||||
|
||||
if (Rn == RegisterAlias.Aarch32Pc || Mask == 0)
|
||||
{
|
||||
Instruction = InstDescriptor.Undefined;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue