[Add] software simulator add

labus/include/memory.hh

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <device.hh>
+
+class Memory : public WRDevice<Memory> {
+  char *data;
+  bool wen;
+  bool ren;
+  bool xen;
+public:
+  Memory(size_t siz, bool w = true, bool r = true, bool x = true);
+  ~Memory();
+
+  void load(const char *path);
+  void load(Memory *mem, size_t addr, size_t len);
+
+  void write(char *buf, size_t addr, size_t len);
+  void read(char *buf, size_t addr, size_t len);
+};