-#define gba_vram (uint16_t*)VRAM_START_ADDR
-#define gba_vram_lfb0 (uint16_t*)VRAM_LFB_FB0_ADDR
-#define gba_vram_lfb1 (uint16_t*)VRAM_LFB_FB1_ADDR
+#define gba_vram ((uint16_t*)VRAM_START_ADDR)
+#define gba_vram_lfb0 ((uint16_t*)VRAM_LFB_FB0_ADDR)
+#define gba_vram_lfb1 ((uint16_t*)VRAM_LFB_FB1_ADDR)