simplified directory structure, updated configuration system

c64/kernal/,target_generic/,hooks_generic.s

@@ -1,6 +0,0 @@
-
-// Target-specific hooks
-
-
-.macro TARGET_HOOK_LOAD() {
-}

c64/kernal/,target_mega65/,hooks_mega65.s

@@ -1,6 +0,0 @@
-
-// Target-specific hooks
-
-
-.macro TARGET_HOOK_LOAD() {
-}

c64/kernal/,target_ultimate64/,hooks_ultimate64.s

@@ -1,9 +0,0 @@
-
-// Target-specific hooks
-
-
-.macro TARGET_HOOK_LOAD() {
-	// XXX disabled for now - the current file opening API is not
-	//     really suitable for easy usage from Kernal
-	// jsr u64_load
-}

c64/kernal/f4a5.load.s

@@ -36,9 +36,6 @@ LOAD:
 	jsr install_ram_routines
 #endif
 
-	// Allow platform-specific routine to takeover the flow
-	TARGET_HOOK_LOAD()
-
 	// Check whether we support the requested device
 	lda FA
 	and #$FC

c64/kernal/scnkey_tww_ctr.s

@@ -8,6 +8,10 @@
 // CPU registers that has to be preserved (see [RG64]): none
 //
 
+
+#if CONFIG_SCNKEY_TWW_CTR
+
+
 // Scan the keyboard..
 // Here we don't use the horrible buggy original routine,
 // not just because of copyright. Instead, we use the
@@ -513,3 +517,6 @@ KeyCanRepeat:
 KeyRepeatWait:
 	pla
 	jmp ConsiderNextKey
+
+
+#endif // #if CONFIG_SCNKEY_TWW_CTR