implement memory module with read, write, and reset functions

src/memory.c

@@ -0,0 +1,17 @@
+#include "memory.h"
+#include <string.h>
+
+uint8_t mem_read(Memory *mem, uint16_t addr)
+{
+    return mem->data[addr];
+}
+
+void mem_write(Memory *mem, uint16_t addr, uint8_t value)
+{
+    mem->data[addr] = value;
+}
+
+void mem_reset(Memory *mem)
+{
+    memset(mem->data, 0, MEM_SIZE);
+}

src/memory.h

@@ -0,0 +1,17 @@
+#ifndef MEMORY_H
+#define MEMORY_H
+
+#include <stdint.h>
+
+#define MEM_SIZE 65536 // 64KB memory size
+
+typedef struct
+{
+    uint8_t data[MEM_SIZE];
+} Memory;
+
+uint8_t mem_read(Memory *mem, uint16_t addr);
+void mem_write(Memory *mem, uint16_t addr, uint8_t value);
+void mem_reset(Memory *mem);
+
+#endif