mirror of
https://github.com/zeldaret/st
synced 2026-05-31 17:32:08 -04:00
Yanis
69ef244371
* merge headers from nitro decomp * cleanup: use inlines from g2.h and gx.h when changing registers * cleanup: remove externs declarations in source files
40 lines
1.2 KiB
Python
Executable File
40 lines
1.2 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="unpack packed g2 values to use in inlines")
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parser.add_argument('packed_value')
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args = parser.parse_args()
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if isinstance(args.packed_value, str):
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value = int(args.packed_value, 0)
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elif isinstance(args.packed_value, int):
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value = args.packed_value
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else:
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raise NotImplementedError("ERROR: unknown arg type")
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# masked are guessed based on shift values
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mask_map = {
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0xC000: 0x0E, # (<< 0x0E) - 1100 0000 0000 0000; mask = 0xC000
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0x0080: 0x07, # (<< 0x07) - 0011 1111 0000 0000; mask = 0x3F00
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0x3F00: 0x08, # (<< 0x08) - 0000 0000 1000 0000; mask = 0x0080
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0x007C: 0x02, # (<< 0x02) - 0000 0000 0111 1100; mask = 0x007C
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}
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shift_map = {
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0x0E: "scrSize ",
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0x08: "scrBase ",
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0x07: "colMode ",
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0x02: "charBase",
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}
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print("Parameters:")
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for mask, shift in mask_map.items():
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if value & mask:
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v = (value & mask) >> shift
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print(f" - {shift_map[shift]} = {v:3} (0x{v:02X})")
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else:
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print(f" - {shift_map[shift]} = {0:3}")
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