simplified directory structure, updated configuration system

c64/,,config_generic.s

@@ -4,13 +4,30 @@
 //
 
 
+// Hardware platform and variant
+
+#define CONFIG_PLATFORM_COMMODORE_64
+
+#define CONFIG_VARIANT_GENERIC
+// #define CONFIG_VARIANT_MEGA_65
+// #define CONFIG_VARIANT_ULTIMATE_64
+
+
+// Processor instruction set
+
 #define CONFIG_CPU_MOS_6502
 // #define CONFIG_CPU_WDC_65C02
 // #define CONFIG_CPU_WDC_65816
 
+
+// Memory model
+
 #define CONFIG_MEMORY_MODEL_38K
 // #define CONFIG_MEMORY_MODEL_60K
 
+
+// Multiple SID support
+
 // #define CONFIG_SID_2ND
 .const CONFIG_SID_2ND_ADDRESS = $D420
 
@@ -20,11 +37,17 @@
 // #define CONFIG_SID_D4XX
 // #define CONFIG_SID_D5XX
 
+
+// Software features
+
 #define CONFIG_BANNER_FANCY
 #define CONFIG_BANNER_PAL_NTSC
 #define CONFIG_DOS_WEDGE
 #define CONFIG_BCD_SAFE_INTERRUPTS
-#define CONFIG_EXTENDED_SCNKEY // for now has to be enabled
+#define CONFIG_SCNKEY_TWW_CTR // for now has to be enabled
+
+
+// Debug options
 
 // #define CONFIG_DBG_STUBS_BRK
 // #define CONFIG_DBG_PRINTF