gcipack, rel: Add multi-version game code support

Author: PistonMiner

ttyd-tools/gcipack/gcipack.py

@@ -39,7 +39,7 @@
 
 # Create header
 headerBuffer = ctypes.create_string_buffer(0x40)
-struct.pack_into(">L",  headerBuffer,  0x00, 0x47384D45)	# game code
+struct.pack_into("4s",  headerBuffer,  0x00, sys.argv[7].encode()) # game code
 struct.pack_into(">H",  headerBuffer,  0x04, 0x3031)		# maker code
 struct.pack_into(">B",  headerBuffer,  0x06, 0xFF)			# unused
 struct.pack_into(">B",  headerBuffer,  0x07, 2)				# banner flags (RGB5A3)

ttyd-tools/rel/Makefile

@@ -59,10 +59,13 @@ LDFLAGS		= -r -e _prolog -u _prolog -u _epilog -u _unresolved -Wl,--gc-sections
 # Platform options
 ifeq ($(VERSION),us)
 	CFLAGS += -DTTYD_US
+	GAMECODE = "G8ME"
 else ifeq ($(VERSION),jp)
 	CFLAGS += -DTTYD_JP
+	GAMECODE = "G8MJ"
 else ifeq ($(VERSION),eu)
 	CFLAGS += -DTTYD_EU
+	GAMECODE = "G8MP"
 endif
 
 
@@ -169,7 +172,7 @@ $(OFILES_SOURCES) : $(HFILES)
 
 %.gci: %.rel
 	@echo packing ... $(notdir $@)
-	@$(GCIPACK) $< "rel" "Paper Mario" "TTYD Debug Menu" $(BANNERFILE) $(ICONFILE)
+	@$(GCIPACK) $< "rel" "Paper Mario" "TTYD Debug Menu" $(BANNERFILE) $(ICONFILE) $(GAMECODE)
 
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