improved tape system autodetection

c64/aliases/,aliases_config.s

@@ -168,8 +168,8 @@
 
 // Check that tape configuration is correct
 {
-#if !CONFIG_TAPE_TURBO && CONFIG_TAPE_TURBO_AUTOCALIBRATE
-	.error "CONFIG_TAPE_TURBO_AUTOCALIBRATE requires CONFIG_TAPE_TURBO*"
+#if (!CONFIG_TAPE_NORMAL || !CONFIG_TAPE_TURBO) && CONFIG_TAPE_AUTODETECT
+	.error "CONFIG_TAPE_AUTODETECT requires both CONFIG_TAPE_NORMAL and CONFIG_TAPE_TURBO"
 #endif
 }