adding ue4 (copy from ue3)

1 files changed, 241 insertions, 0 deletions

diff --git a/ue4/mycpu/ccpu.h b/ue4/mycpu/ccpu.h
new file mode 100644
index 0000000..6849623
--- /dev/null
+++ b/ue4/mycpu/ccpu.h
@@ -0,0 +1,241 @@
+/**
+ * @module ccpu
+ * @author Guenther Neuwirth (0626638), Manuel Mausz (0728348)
+ * @brief  CPU implementation. Used as a container for memory and instructions.
+ *         Implements a run method to execute the program (= the instructions).
+ * @date   10.05.2009
+ */
+
+#ifndef CCPU_H
+#define CCPU_H 1
+
+#include <iostream>
+#include <set>
+#include "cdat.h"
+#include "cmem.h"
+#include "cprogram.h"
+#include "cdisplay.h"
+
+/**
+ * @class CCPU
+ *
+ * CPU implementation. Used as a container for memory and instructions.
+ * Implements a run method to execute the program (= the instructions).
+ */
+class CCPU
+{
+  public:
+    /**
+     * @method CCPU
+     * @brief  Default ctor
+     * @param  cnt  number of registers to allocate for this cpu
+     * @return -
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    CCPU(const unsigned cnt);
+
+    /**
+     * @method ~CCPU
+     * @brief  Default dtor
+     * @param  -
+     * @return -
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    ~CCPU();
+
+    /**
+     * @method getRegisterCount
+     * @brief  get number of registers
+     * @param  -
+     * @return number of registers
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    const unsigned getRegisterCount() const
+    {
+      return m_regcnt;
+    }
+
+    /**
+     * @method getRegisters
+     * @brief  get pointer to registers array
+     * @param  -
+     * @return pointer to registers array
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    CDat *getRegisters() const
+    {
+      return m_registers;
+    }
+
+    /**
+     * @method setMemory
+     * @brief  set memory of cpu
+     * @param  memory  pointer to memory
+     * @return -
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    void setMemory(CMem *memory)
+    {
+      m_memory = memory;
+    }
+
+    /**
+     * @method getMemory
+     * @brief  get pointer to memory
+     * @param  -
+     * @return pointer to memory
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    CMem *getMemory() const
+    {
+      return m_memory;
+    }
+
+    /**
+     * @method setProgram
+     * @brief  set program to execute
+     * @param  program  pointer to program
+     * @return -
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    void setProgram(const CProgram *program)
+    {
+      m_program = program;
+    }
+
+    /**
+     * @method getProgram
+     * @brief  get pointer to program
+     * @param  -
+     * @return pointer to program
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    const CProgram *getProgram()
+    {
+      return m_program;
+    }
+
+    /**
+     * @method getDisplays
+     * @brief  get set of pointers to displays
+     * @param  -
+     * @return reference to set of pointers to displays
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    const std::set<CDisplay *>& getDisplays()
+    {
+      return m_displays;
+    }
+
+    /**
+     * @method setFlagZero
+     * @brief  set zero flag
+     * @param  value  new value of zero flag
+     * @return -
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    void setFlagZero(const bool value)
+    {
+      m_flagzero = value;
+    }
+
+    /**
+     * @method getFlagZero
+     * @brief  get value of zero flag
+     * @param  -
+     * @return value of zero flag
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    const bool getFlagZero()
+    {
+      return m_flagzero;
+    }
+
+    /**
+     * @method setFlagSign
+     * @brief  set sign flag
+     * @param  value  new value of sign flag
+     * @return -
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    void setFlagSign(const bool value)
+    {
+      m_flagsign = value;
+    }
+
+    /**
+     * @method getFlagSign
+     * @brief  get value of sign flag
+     * @param  -
+     * @return value of sign flag
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    const bool getFlagSign()
+    {
+      return m_flagsign;
+    }
+
+    /**
+     * @method run
+     * @brief  execute current program
+     * @param  -
+     * @return -
+     * @globalvars none
+     * @exception  std::runtime_error
+     * @conditions none
+     */
+    void run();
+
+#if DEBUG
+    /**
+     * @method dumpRegisters
+     * @brief  dump content of registers to outputstream
+     * @param  out  outputstream to write to
+     * @return void
+     * @globalvars none
+     * @exception  none
+     * @conditions none
+     */
+    void dumpRegisters(std::ostream& out);
+#endif
+
+  private:
+    /* members */
+    CDat *m_registers;
+    unsigned m_regcnt;
+    CMem *m_memory;
+    const CProgram *m_program;
+    std::set<CDisplay *> m_displays;
+    bool m_flagzero;
+    bool m_flagsign;
+};
+
+#endif
+
+/* vim: set et sw=2 ts=2: */