further IO stack refactoring

c64/,,config_mega65.s

@@ -42,9 +42,10 @@
 
 // I/O devices
 
-#define CONFIG_IEC       // please keep enabled for now
-// #define CONFIG_TAPE   // please keep disabled for now
-// #define CONFIG_RS_232 // please keep disabled for now
+#define CONFIG_IEC                  // please keep enabled for now
+// #define CONFIG_TAPE_NORMAL       // please keep disabled for now
+// #define CONFIG_TAPE_TURBO        // please keep disabled for now
+// #define CONFIG_RS232_USERPORT    // please keep disabled for now
 
 
 // Multiple SID support
@@ -53,7 +54,7 @@
 .const CONFIG_SID_2ND_ADDRESS = $D440
 
 // #define CONFIG_SID_3RD
-.const CONFIG_SID_3RD_ADDRESS = $D420
+.const CONFIG_SID_3RD_ADDRESS = $D480
 
 // #define CONFIG_SID_D4XX
 // #define CONFIG_SID_D5XX
@@ -64,8 +65,8 @@
 // #define CONFIG_LEGACY_SCNKEY
 // #define CONFIG_KEYBOARD_C128
 // #define CONFIG_KEYBOARD_C128_CAPS_LOCK
-#define CONFIG_KEYBOARD_C65 // untested
-#define CONFIG_KEYBOARD_C65_CAPS_LOCK // untested
+#define CONFIG_KEYBOARD_C65              // untested
+#define CONFIG_KEYBOARD_C65_CAPS_LOCK    // untested
 // #define CONFIG_KEY_REPEAT_DEFAULT
 // #define CONFIG_KEY_REPEAT_ALWAYS
 #define CONFIG_KEY_FAST_SCAN