added games
updated code
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@@ -0,0 +1,49 @@
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# sadly heavily based on code by chat-gpt
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# loads the original binaries into flash and allows bigger roms to load like the pokemon games
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import os
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Import("env")
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from SCons.Script import Builder
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# read build flags (CPP defines)
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flags = env.ParseFlags(env['BUILD_FLAGS'])
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defs = {items[0]: items[1] for items in flags.get("CPPDEFINES", {}) if isinstance(items, list) and len(items) == 2}
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# passed via -DROM_FILENAME=...
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rom_filename = defs.get("ROM_FILENAME", "custom_rom.gb")
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# Get the project root directory
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project_root = env.Dir('#').abspath
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# autogenerate original symbol names used by objcopy
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auto_sym_base = rom_filename.replace(".", "_").replace(" ", "_")
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# used to replace the symbol names
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orig_start = f"_binary_{auto_sym_base}_start"
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orig_end = f"_binary_{auto_sym_base}_end"
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# your preferred symbol names
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new_start = f"_binary_custom_rom_start"
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new_end = f"_binary_custom_rom_end"
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# Create a binary-to-object builder
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bin2obj = Builder(
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action = (
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"arm-none-eabi-objcopy -I binary -O elf32-littlearm -B arm "
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"--rename-section .data=.rodata,alloc,load,readonly,data,contents "
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"--set-section-alignment .rodata=4 "
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f"--redefine-sym {orig_start}={new_start} "
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f"--redefine-sym {orig_end}={new_end} "
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"$SOURCE $TARGET"
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),
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suffix = ".o",
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src_suffix = ".gb"
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)
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env.Append(BUILDERS = {"BinToObj": bin2obj})
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# Convert ROM into an object file and link it in
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rom_path = os.path.join(project_root, rom_filename)
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rom_obj = env.BinToObj(rom_path) # produces custom_rom.gb.o
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env.Append(LIBS=[rom_obj])
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