mr.one
1d7554cd39
- Add mufflon C source (gitignored, auto-downloaded by make) - Add tools/nuf_to_asm.py for converting .nuf to oscar64 assembly - Add Makefile targets: nufli, nufli-clean, ensure-mufflon - Generate NUFLI .asm/.h files for all 5 screens - Add NUFLI integration plan to tasks.md
80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
#!/usr/bin/env python3
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"""Convert NUFLI .nuf binary to oscar64-compatible assembly/include files.
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Usage:
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python3 nuf_to_asm.py input.nuf output_base
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Output files:
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output_base.asm - Assembly data file
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output_base.h - C header with extern declarations
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"""
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import argparse
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import sys
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from pathlib import Path
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def nuf_to_asm(nuf_data, output_base):
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"""Convert NUFLI binary to assembly data."""
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out_path = Path(output_base)
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# Skip 2-byte load address header
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data = nuf_data[2:]
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# Assembly data file
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with open(out_path.with_suffix('.asm'), 'w') as f:
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f.write("; NUFLI image data - generated by nuf_to_asm.py\n")
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f.write("; Load at $2000, display with SYS 12288 ($3000)\n")
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f.write(f"; Total size: {len(data)} bytes\n\n")
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f.write(".segment \"NUFLI_DATA\"\n\n")
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# Export the data
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f.write(".export _nufli_data\n")
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f.write(".export _nufli_size\n\n")
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f.write("_nufli_data:\n")
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# Write data in rows of 16 bytes
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for i in range(0, len(data), 16):
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chunk = data[i:i+16]
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hex_bytes = ', '.join(f'${b:02x}' for b in chunk)
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f.write(f" .byte {hex_bytes}\n")
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f.write(f"\n_nufli_size = {len(data)}\n")
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# C header file
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with open(out_path.with_suffix('.h'), 'w') as f:
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f.write("/* NUFLI image data - generated by nuf_to_asm.py */\n")
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f.write(f"#ifndef {out_path.name.upper().replace('.', '_')}_H\n")
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f.write(f"#define {out_path.name.upper().replace('.', '_')}_H\n\n")
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f.write(f"/* NUFLI data size: {len(data)} bytes */\n")
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f.write(f"extern const unsigned char nufli_data[{len(data)}];\n")
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f.write(f"extern const unsigned int nufli_size;\n\n")
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f.write("/* Display NUFLI image */\n")
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f.write("void nufli_display(void);\n\n")
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f.write("#endif\n")
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print(f"Wrote {out_path.with_suffix('.asm')} ({len(data)} bytes)")
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print(f"Wrote {out_path.with_suffix('.h')}")
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def main(argv=None):
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ap = argparse.ArgumentParser(
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description="Convert NUFLI .nuf binary to oscar64 assembly"
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)
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ap.add_argument("input", help="Input .nuf file")
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ap.add_argument("output_base", help="Output base path (no extension)")
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args = ap.parse_args(argv)
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in_path = Path(args.input)
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if not in_path.exists():
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print(f"Error: {in_path} not found", file=sys.stderr)
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sys.exit(1)
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data = in_path.read_bytes()
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nuf_to_asm(data, args.output_base)
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if __name__ == "__main__":
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main()
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