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https://github.com/lesserkuma/GBA_MultiMenu.git
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0.3
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Lesserkuma
parent
34b1b4b8dc
commit
a33f0ed9db
1
Makefile
1
Makefile
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@ -179,6 +179,7 @@ soundbank.bin soundbank.h : $(AUDIOFILES)
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#replacement rule for gbafix
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#---------------------------------------------------------------------------------
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$(shell touch $(CURDIR)/../$(SOURCES)/version.h)
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%.gba: %.elf
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@$(OBJCOPY) -O binary $< $@
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@gbafix $@ "-tLK MULTIMENU" "-cAGBJ" "-mLK" "-r0"
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@ -46,6 +46,7 @@ In the `games` section, you can edit the game-related stuff:
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- `5` = Nintendo DSi IPL font (KOR)
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- `6` = Pokémon Black & White condensed battle font
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- `save_slot` defines which save slot your game uses. Set it to `null` for no saving or a number starting from `1`. Multiple games can share a save slot.
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- `map_256m`, if set to `true`, can serve as a workaround for a glitch with the cartridge mapper that causes games to freeze with screeching noises upon launch.
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### ROM Builder Command Line Arguments
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@ -5,7 +5,7 @@
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import sys, os, glob, json, math, re, struct, hashlib, argparse, datetime
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# Configuration
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app_version = "0.2"
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app_version = "0.3"
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default_file = "LK_MULTIMENU_<CODE>.gba"
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################################
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@ -39,12 +39,14 @@ def logp(*args, **kwargs):
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################################
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cartridge_types = [
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{ # "MSP55LV100S
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{
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"name":"MSP55LV100S",
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"flash_size":0x4000000,
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"sector_size":0x20000,
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"block_size":0x80000,
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},
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{ # 6600M0U0BE
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{
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"name":"6600M0U0BE",
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"flash_size":0x10000000,
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"sector_size":0x40000,
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"block_size":0x80000,
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@ -64,11 +66,11 @@ parser.add_argument("--output", type=str, default=default_file, help="sets the f
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args = parser.parse_args()
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output_file = args.output
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if output_file == "lk_multimenu.gba":
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logp("Error: The file must not be named lk_multimenu.gba")
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logp("Error: The file must not be named “lk_multimenu.gba”")
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if not args.no_wait: input("\nPress ENTER to exit.\n")
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sys.exit(1)
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if not os.path.exists("lk_multimenu.gba"):
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logp("Error: The Menu ROM is missing.\nPlease put it in the same directory that you are running this tool from.\nExpected file name: \"lk_multimenu.gba\"")
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logp("Error: The Menu ROM is missing.\nPlease put it in the same directory that you are running this tool from.\nExpected file name: “lk_multimenu.gba”")
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if not args.no_wait: input("\nPress ENTER to exit.\n")
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sys.exit()
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@ -97,11 +99,22 @@ if not os.path.exists(args.config):
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},
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"games": games,
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}
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with open(args.config, "w", encoding="UTF-8-SIG") as f:
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f.write(json.dumps(obj=obj, indent=4, ensure_ascii=False))
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if len(games) == 0:
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logp("Error: No usable ROM files were found in the “roms” folder.")
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else:
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with open(args.config, "w", encoding="UTF-8-SIG") as f:
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f.write(json.dumps(obj=obj, indent=4, ensure_ascii=False))
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logp(f"A new configuration file ({args.config:s}) was created based on the files inside the “roms” folder.\nPlease edit the file to your liking in a text editor, then run this tool again.")
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if not args.no_wait: input("\nPress ENTER to exit.\n")
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sys.exit()
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else:
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with open(args.config, "r", encoding="UTF-8-SIG") as f:
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j = json.load(f)
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try:
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j = json.load(f)
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except json.decoder.JSONDecodeError as e:
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logp(f"Error: The configuration file ({args.config:s}) is malformed and could not be loaded.\n" + str(e))
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if not args.no_wait: input("\nPress ENTER to exit.\n")
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sys.exit()
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games = j["games"]
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cartridge_type = j["cartridge"]["type"] - 1
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battery_present = j["cartridge"]["battery_present"]
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@ -128,7 +141,7 @@ UpdateSectorMap(start=0, length=math.ceil(len(menu_rom) / sector_size), c="m")
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item_list_offset = len(menu_rom)
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item_list_offset = 0x40000 - (item_list_offset % 0x40000) + item_list_offset
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item_list_offset = math.ceil(item_list_offset / sector_size)
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UpdateSectorMap(start=item_list_offset, length=1, c="i")
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UpdateSectorMap(start=item_list_offset, length=1, c="l")
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status_offset = item_list_offset + 1
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UpdateSectorMap(start=status_offset, length=1, c="c")
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if battery_present:
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@ -191,7 +204,7 @@ else:
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games = [game for game in games if not ("missing" in game and game["missing"])]
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if len(games) == 0:
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logp("No ROMs found")
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logp(f"No ROMs found. Delete the “{args.config:s}” file to reset your configuration.")
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sys.exit()
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# Add index
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@ -206,14 +219,20 @@ c = 0
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for game in games:
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found = False
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for i in range(save_end_offset, len(sector_map)):
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if i % game["sector_count"] == 0:
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sector_count_map = game["sector_count"]
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if "map_256m" in game and game["map_256m"] == True:
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# Map as 256M ROM, but don't waste space; some games may need this for unknown reasons
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sector_count_map = (32 * 1024 * 1024) // sector_size
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if i % sector_count_map == 0:
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if sector_map[i:i + game["sector_count"]] == ["."] * game["sector_count"]:
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UpdateSectorMap(i, game["sector_count"], "r")
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with open(f"roms/{game['file']}", "rb") as f: rom = f.read()
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compilation[i * sector_size:i * sector_size + len(rom)] = rom
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game["sector_offset"] = i
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game["block_offset"] = game["sector_offset"] * sector_size // block_size
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game["block_count"] = game["sector_count"] * sector_size // block_size
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game["block_count"] = sector_count_map * sector_size // block_size
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found = True
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if not boot_logo_found and hashlib.sha1(rom[0x04:0xA0]).digest() == bytearray([ 0x17, 0xDA, 0xA0, 0xFE, 0xC0, 0x2F, 0xC3, 0x3C, 0x0F, 0x6A, 0xBB, 0x54, 0x9A, 0x8B, 0x80, 0xB6, 0x61, 0x3B, 0x48, 0xEE ]):
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@ -240,10 +259,10 @@ logp("{:.2f}% ({:d} of {:d} sectors) used\n".format(sectors_used / sector_count
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logp(f"Added {len(games)} ROM(s) to the compilation\n")
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if battery_present:
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logp (" | Offset | Size | Save Slot | Title")
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logp (" | Offset | Map Size | Save Slot | Title")
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toc_sep = "----+-----------+-----------+----------------+---------------------------------"
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else:
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logp (" | Offset | Size | Title")
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logp (" | Offset | Map Size | Title")
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toc_sep = "----+-----------+-----------+--------------------------------------------------"
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item_list = bytearray()
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@ -259,12 +278,11 @@ for game in games:
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if game['save_type'] > 0:
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table_line += f"{game['save_slot']+1:2d} (0x{(save_data_sector_offset + game['save_slot']) * sector_size:07X}) | "
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else:
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table_line += "-------------- | "
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table_line += " | "
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table_line += f"{title}"
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if c % 8 == 0: logp(toc_sep)
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logp(table_line)
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c += 1
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#logp(f"0x{game['block_offset'] * block_size:07X} |")
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title = title.ljust(0x30, "\0")
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item_list += bytearray(struct.pack("B", game["title_font"]))
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@ -275,6 +293,7 @@ for game in games:
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item_list += bytearray(struct.pack("B", game["save_slot"]))
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item_list += bytearray([0] * 8)
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item_list += bytearray(title.encode("UTF-16LE"))
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compilation[item_list_offset * sector_size:item_list_offset * sector_size + len(item_list)] = item_list
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rom_code = "L{:s}".format(hashlib.sha1(status + item_list).hexdigest()[:3]).upper()
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@ -287,8 +306,13 @@ for i in range(0xA0, 0xBD):
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checksum = (checksum - 0x19) & 0xFF
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compilation[0xBD] = checksum
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logp("")
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logp("Compilation ROM size: {:.2f} MiB".format(rom_size / 1024 / 1024))
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logp("ROM code: {:s}".format(rom_code))
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logp("Menu ROM: 0x{:07X}–0x{:07X}".format(0, len(menu_rom)))
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logp("Game List: 0x{:07X}–0x{:07X}".format(item_list_offset * sector_size, item_list_offset * sector_size + len(item_list)))
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logp("Status Area: 0x{:07X}–0x{:07X}".format(status_offset * sector_size, status_offset * sector_size + 0x1000))
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logp("")
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logp("Cartridge Type: {:d} ({:s} {:s})".format(cartridge_type, cartridge_types[cartridge_type]["name"], "with battery" if battery_present else "without battery"))
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logp("Output ROM Size: {:.2f} MiB".format(rom_size / 1024 / 1024))
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logp("Output ROM Code: {:s}".format(rom_code))
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output_file = output_file.replace("<CODE>", rom_code)
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if args.split:
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for i in range(0, math.ceil(flash_size / 0x2000000)):
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@ -216,16 +216,20 @@ IWRAM_CODE u8 BootGame(ItemConfig config, FlashStatus status)
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return 1;
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// Temporarily store SRAM values at mapper registers
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sram_register_backup[0] = *(vu8 *)MAPPER_CONFIG1;
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sram_register_backup[1] = *(vu8 *)MAPPER_CONFIG2;
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sram_register_backup[2] = *(vu8 *)MAPPER_CONFIG3;
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sram_register_backup[3] = *(vu8 *)MAPPER_CONFIG4;
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if (status.last_boot_save_type == SRAM_NONE)
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{
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sram_register_backup[0] = *(vu8 *)MAPPER_CONFIG1;
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sram_register_backup[1] = *(vu8 *)MAPPER_CONFIG2;
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sram_register_backup[2] = *(vu8 *)MAPPER_CONFIG3;
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sram_register_backup[3] = *(vu8 *)MAPPER_CONFIG4;
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}
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// Enable SRAM access
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*(vu8 *)MAPPER_CONFIG4 = 1;
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// Write previous SRAM to flash
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if (status.battery_present) {
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if (status.battery_present)
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{
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if (status.last_boot_save_type != SRAM_NONE)
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{
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for (int i = 0; i < SRAM_SIZE; i++)
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@ -279,7 +283,7 @@ IWRAM_CODE u8 BootGame(ItemConfig config, FlashStatus status)
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*(vu8 *)MAPPER_CONFIG3 = 0x40 - config.rom_size; // accessible ROM size (in 512 KB blocks)
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// Wait until menu ROM is no longer visible
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u16 timeout = 0xFFFF;
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u32 timeout = 0x2FFF;
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while (((vu16 *)AGB_ROM)[0x58] == 0x4B4C)
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{
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if (!timeout--)
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@ -294,16 +298,20 @@ IWRAM_CODE u8 BootGame(ItemConfig config, FlashStatus status)
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// Lock mapper
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*(vu8 *)MAPPER_CONFIG2 |= 0x80;
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// Restore SRAM values at mapper registers
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*(vu8 *)MAPPER_CONFIG1 = sram_register_backup[0];
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*(vu8 *)MAPPER_CONFIG2 = sram_register_backup[1];
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*(vu8 *)MAPPER_CONFIG3 = sram_register_backup[2];
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*(vu8 *)MAPPER_CONFIG4 = sram_register_backup[3];
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// Write buffer to SRAM
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for (int i = 0; i < SRAM_SIZE; i++)
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if (config.save_type != SRAM_NONE)
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{
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((vu8 *)AGB_SRAM)[i] = data_buffer[i];
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for (int i = 0; i < SRAM_SIZE; i++)
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{
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((vu8 *)AGB_SRAM)[i] = data_buffer[i];
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}
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}
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else
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{
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*(vu8 *)MAPPER_CONFIG1 = sram_register_backup[0];
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*(vu8 *)MAPPER_CONFIG2 = sram_register_backup[1];
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*(vu8 *)MAPPER_CONFIG3 = sram_register_backup[2];
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*(vu8 *)MAPPER_CONFIG4 = sram_register_backup[3];
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}
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// Clear palette
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@ -313,7 +321,7 @@ IWRAM_CODE u8 BootGame(ItemConfig config, FlashStatus status)
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}
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REG_BLDY = 0;
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// Soft Reset system call
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// Boot ROM
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__asm("swi 0"); // Soft reset
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return 3;
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@ -14,6 +14,7 @@ Author: Lesserkuma (github.com/lesserkuma)
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#include <string.h>
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#include <unistd.h>
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#include "version.h"
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#include "main.h"
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#include "font.h"
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#include "flash.h"
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@ -186,14 +187,10 @@ int main(void) {
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}
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} else if (show_credits) {
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LoadFont(0);
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#ifdef __TIMESTAMP_ISO__
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memset(temp_unicode, 0, sizeof(temp_unicode));
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snprintf(temp_ascii, 48, "Menu by LK - %s", __TIMESTAMP_ISO__);
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AsciiToUnicode(temp_ascii, temp_unicode);
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DrawText(6, SCREEN_HEIGHT - sFontSpecs.max_height - 3 - FontMarginBottom, ALIGN_LEFT, temp_unicode, 48, font, (void*)AGB_VRAM+0xA000, FALSE);
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#else
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DrawText(6, SCREEN_HEIGHT - sFontSpecs.max_height - 3 - FontMarginBottom, ALIGN_LEFT, u"Menu by LK", 48, font, (void*)AGB_VRAM+0xA000, FALSE);
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#endif
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memset(temp_unicode, 0, sizeof(temp_unicode));
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snprintf(temp_ascii, 48, "Menu by LK - %s", BUILDTIME);
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AsciiToUnicode(temp_ascii, temp_unicode);
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DrawText(6, SCREEN_HEIGHT - sFontSpecs.max_height - 3 - FontMarginBottom, ALIGN_LEFT, temp_unicode, 48, font, (void*)AGB_VRAM+0xA000, FALSE);
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} else if (show_debug) {
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LoadFont(0);
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u8 a = ((sItemConfig.rom_offset / 0x40) & 0xF) << 4;
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15
source/version.h
Normal file
15
source/version.h
Normal file
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@ -0,0 +1,15 @@
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/*
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GBA Multi Game Menu
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Author: Lesserkuma (github.com/lesserkuma)
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*/
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#ifndef VERSION_H_
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#define VERSION_H_
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#ifdef __TIMESTAMP_ISO__
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#define BUILDTIME __TIMESTAMP_ISO__
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#else
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#define BUILDTIME __TIMESTAMP__
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#endif
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#endif
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