diff --git a/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-cpu.hpp b/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-cpu.hpp
index 55616152..1049a2e5 100644
--- a/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-cpu.hpp
+++ b/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-cpu.hpp
@@ -390,6 +390,7 @@ private:
 	void execute_stwcx(uint32 opcode);
 	void execute_mcrf(uint32 opcode);
 	void execute_mcrfs(uint32 opcode);
+	void execute_mcrxr(uint32 opcode);
 	void execute_mtcrf(uint32 opcode);
 	template< class FM, class RB, class Rc >
 	void execute_mtfsf(uint32 opcode);
diff --git a/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-decode.cpp b/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-decode.cpp
index bd4190bd..e7a79a53 100644
--- a/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-decode.cpp
+++ b/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-decode.cpp
@@ -814,6 +814,12 @@ const powerpc_cpu::instr_info_t powerpc_cpu::powerpc_ii_table[] = {
 	  PPC_I(MCRFS),
 	  X_form, 63, 64, CFLOW_NORMAL
 	},
+	{ "mcrxr",
+	  EXECUTE_0(mcrxr),
+	  NULL,
+	  PPC_I(MCRXR),
+	  X_form, 31, 512, CFLOW_NORMAL
+	},
 	{ "mfcr",
 	  EXECUTE_GENERIC_ARITH(nop, RD, CR, NONE, NONE, OE_BIT_0, RC_BIT_0),
 	  NULL,
diff --git a/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-execute.cpp b/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-execute.cpp
index 8816ae8e..91090cd6 100644
--- a/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-execute.cpp
+++ b/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-execute.cpp
@@ -953,6 +953,15 @@ void powerpc_cpu::execute_mcrfs(uint32 opcode)
 	increment_pc(4);
 }
 
+void powerpc_cpu::execute_mcrxr(uint32 opcode)
+{
+	const int crfD = crfD_field::extract(opcode);
+	const uint32 x = xer().get();
+	cr().set(crfD, x >> 28);
+	xer().set(x & 0x0fffffff);
+	increment_pc(4);
+}
+
 void powerpc_cpu::execute_mtcrf(uint32 opcode)
 {
 	uint32 mask = field2mask[CRM_field::extract(opcode)];
diff --git a/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-instructions.hpp b/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-instructions.hpp
index e4a609b0..5a4554cb 100644
--- a/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-instructions.hpp
+++ b/SheepShaver/src/kpx_cpu/src/cpu/ppc/ppc-instructions.hpp
@@ -141,6 +141,7 @@ enum powerpc_instruction {
 	PPC_I(LWZX),
 	PPC_I(MCRF),
 	PPC_I(MCRFS),
+	PPC_I(MCRXR),
 	PPC_I(MFCR),
 	PPC_I(MFFS),
 	PPC_I(MFMSR),