diff --git a/src/cpu.cpp b/src/cpu.cpp
index a8764d5..029b0d0 100644
--- a/src/cpu.cpp
+++ b/src/cpu.cpp
@@ -6,6 +6,7 @@
  */
 
 #include "cpu.h"
+#include "emu.h"
 #include <iostream>
 
 CPU::CPU(unsigned int frequency) : ProcessingUnit(frequency)
@@ -18,4 +19,6 @@ CPU::~CPU()
 
 void CPU::update() {
 	printf("This is an update from the CPU\n");
+	Emu::the().writeMemory("RAM", 123, 42);
+	printf("fff");
 }
\ No newline at end of file
diff --git a/src/emu.cpp b/src/emu.cpp
index a15e155..2f8fe85 100644
--- a/src/emu.cpp
+++ b/src/emu.cpp
@@ -23,4 +23,13 @@ void Emu::addMemorySpace(const char* name, int size) {
 	std::vector<uint8_t> memory;
 	memory.reserve(size);
 	m_memory_spaces.emplace(name, memory);
+}
+
+void Emu::writeMemory(const char* memory_space, unsigned int location, uint8_t value) {
+	// printf("%s %d %d", memory_space, location, value);
+	// m_memory_spaces[memory_space][location] = value;
+}
+
+uint8_t Emu::readMemory(const char* memory_space, unsigned int location){
+	// return m_memory_spaces[memory_space][location];
 }
\ No newline at end of file
diff --git a/src/emu.h b/src/emu.h
index 551f381..29b51d4 100644
--- a/src/emu.h
+++ b/src/emu.h
@@ -18,13 +18,9 @@ public:
 	void addProcessingUnit(ProcessingUnit* processing_unit);
 	void addMemorySpace(const char* name, int size);
 
-	void writeRAM(const char* memory_space, int location);
-	void writeVRAM(const char* memory_space, int location);
-	void writeROM(const char* memory_space, int location);
+	void writeMemory(const char* memory_space, unsigned int location, uint8_t value);
 
-	uint8_t readRAM(const char* memory_space, int location);
-	uint8_t readVRAM(const char* memory_space, int location);
-	uint8_t readROM(const char* memory_space, int location);
+	uint8_t readMemory(const char* memory_space, unsigned int location);
 
 private:
 	unsigned int m_frequency;