feat: initial version

srcs/memory.c

@@ -0,0 +1,54 @@
+#include "../hdrs/memory.h"
+#include <stdio.h>
+#include <string.h>
+#include "../hdrs/font.h"
+#include "libft.h"
+
+void memory_init(t_memory *mem)
+{
+    ft_memset(mem->memory, 0, MEMORY_SIZE);
+}
+int memory_load_rom(t_memory *mem, FILE *fp)
+{
+    fseek(fp, 0, SEEK_END);
+    size_t rom_size = ftell(fp);
+    rewind(fp);
+
+    if (rom_size > (sizeof(mem->memory) - 0x200))
+    {
+        return (1);
+    }
+
+    if (fread(&mem->memory[0x200], 1, rom_size, fp) != rom_size)
+    {
+        return (1);
+    }
+
+    return (0);
+}
+
+void memory_clear_screen(t_memory *mem)
+{
+    ft_memset(mem->screen, 0, SCREEN_WIDTH * SCREEN_HEIGHT);
+}
+
+void memory_load_fontset(t_memory *mem)
+{
+    ft_memcpy(&mem->memory[MEMORY_SIZE - FONTSET_SIZE], FONTSET, FONTSET_SIZE);
+}
+
+
+void memory_dump(t_memory *mem, const char *path)
+{
+    FILE *fp = fopen(path, "wb");
+
+    if (!fp)
+    {
+        printf("Failed to open: %s\n", path);
+        exit(1);
+    }
+
+    fwrite(mem->memory, 1, MEMORY_SIZE, fp);
+    fclose(fp);
+    printf("Memory dumped to: %s\n", path);
+}