diff --git a/hdrs/cpu.h b/hdrs/cpu.h
new file mode 100644
index 0000000..e9f2bfc
--- /dev/null
+++ b/hdrs/cpu.h
@@ -0,0 +1,27 @@
+#ifndef CPU_H
+#define CPU_H
+
+#include <stdint.h>
+
+typedef struct s_cpu
+{
+    uint8_t a; // Accumulator register
+    uint8_t f; // Flags register (Z, N, H, C)
+    uint8_t b; // General-purpose register B
+    uint8_t c; // General-purpose register C
+    uint8_t d; // General-purpose register D
+    uint8_t e; // General-purpose register E
+    uint8_t h; // General-purpose register H
+    uint8_t l; // General-purpose register L
+
+    uint16_t sp; // Stack pointer
+    uint16_t pc; // Program counter
+
+    uint8_t ime; // Interrupt Master Enable flag
+    uint8_t halted; // Halted state flag
+    uint8_t stopped; // Stopped state flag
+} t_cpu;
+
+void cpu_init(t_cpu *cpu);
+
+#endif CPU_H
\ No newline at end of file
diff --git a/hdrs/memory.h b/hdrs/memory.h
new file mode 100644
index 0000000..b017f71
--- /dev/null
+++ b/hdrs/memory.h
@@ -0,0 +1,16 @@
+#ifndef MEMORY_H
+#define MEMORY_H
+
+#include <stdint.h>
+
+typedef struct s_memory
+{
+    uint8_t wram[0x2000]; // Working RAM (0xC000 - 0xDFFF), 8KB
+    uint8_t vram[0x2000]; // Video RAM (0x8000 - 0x9FFF), 8KB 
+} t_memory;
+
+void memory_init(t_memory *memory);
+uint8_t memory_read(t_memory *memory, uint16_t address);
+void memory_write(t_memory *memory, uint16_t address, uint8_t value);
+
+#endif
\ No newline at end of file
diff --git a/hdrs/zboy.h b/hdrs/zboy.h
new file mode 100644
index 0000000..5970a7c
--- /dev/null
+++ b/hdrs/zboy.h
@@ -0,0 +1,11 @@
+#include "cpu.h"
+#include "memory.h"
+
+
+typedef struct zboy
+{
+    t_cpu cpu; 
+    t_memory memory;
+};
+
+void zboy_init();
\ No newline at end of file