-#define DEBUG_ROM_CODE (DEBUG_ROM_ENTRY + 1024 * 4)
-#define DEBUG_ROM_EXCEPTION (DEBUG_ROM_CODE + 4)
-#define DEBUG_RAM_START (DEBUG_ROM_EXCEPTION + 256)
+#define DEBUG_ROM_ENTRY_SIZE (1024 * 4)
+#define DEBUG_ROM_CODE (DEBUG_ROM_ENTRY + DEBUG_ROM_ENTRY_SIZE)
+#define DEBUG_ROM_CODE_SIZE 256
+#define DEBUG_ROM_EXCEPTION (DEBUG_ROM_CODE + DEBUG_ROM_CODE_SIZE)
+#define DEBUG_ROM_EXCEPTION_SIZE 4
+#define DEBUG_RAM_START (DEBUG_ROM_EXCEPTION + DEBUG_ROM_EXCEPTION_SIZE)