Usando el estado en los graficos

src/Chip8.cpp

@@ -8,6 +8,7 @@
 #include "bitops.h"
 
 Chip8::Chip8(): machine_state{std::make_shared<MachineState>()},
+                graphics{machine_state},
                 interpreter{machine_state, 0},
                 target_cycle_time{1.0 / 700.0},
                 last_update_time{0},
@@ -104,7 +105,7 @@ void Chip8::update() {
     }
 
 
-    graphics.draw(machine_state->display, buffer.str());
+    graphics.draw();
 }
 
 void Chip8::execute_instructions() {