SummerCart64/sw/riscv/tools/bin2rom.py

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Python
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#!/usr/bin/env python3
import os
import sys
rom = None
rom_name = sys.argv[1] or 'rom.bin'
try:
binary_data = sys.stdin.buffer.read()
if (os.path.exists(rom_name)):
os.remove(rom_name)
rom = open(rom_name, mode='wb')
rom.write(len(binary_data).to_bytes(4, byteorder='little'))
rom.write(binary_data)
except Exception as e:
print(f'Unable to convert the rom: {e}', file=sys.stderr)
sys.exit(-1)
finally:
if (rom): rom.close()