1 files changed, 2 insertions, 2 deletions

diff --git a/ue3/mycpu/cinstruction.cpp b/ue3/mycpu/cinstruction.cpp
index 32bdd2f..57acd5f 100644
--- a/ue3/mycpu/cinstruction.cpp
+++ b/ue3/mycpu/cinstruction.cpp
@@ -16,7 +16,7 @@ using namespace std;
 const unsigned CInstruction::parseRegister(const std::string& str)
 {
   unsigned reg;
-  if (str.length() < 2 || str[0] != 'R')
+  if (str.length() < 2 || str[0] != 'r')
     throw runtime_error("Invalid syntax of register");
 
   try
@@ -33,7 +33,7 @@ const unsigned CInstruction::parseRegister(const std::string& str)
 
 /*----------------------------------------------------------------------------*/
 
-inline void CInstruction::checkRegister(CCPU *cpu, unsigned regidx)
+inline void CInstruction::checkRegister(CCPU *cpu, const unsigned regidx)
 {
   if (regidx >= cpu->getRegisterCount())
   {