finish design, ready to write

src/main.cpp

@@ -0,0 +1,10 @@
+#include "tools.h"
+#include "csu.h"
+int main(int argc, char **argv) {
+  dark::CPU cpu;
+  ZYM::Memory memory;
+  cpu.add_module(&memory);
+  memory.reset = [&]() { return cpu.GetResetSignal(); };
+  memory.LoadProgram(std::cin);
+  return 0;
+}