mirror of
https://github.com/StewBC/cc65-Chess.git
synced 2026-10-24 10:02:24 +00:00
Stefan Wessels
7a740f5852
tms9900-gcc, 32K expansion. The chess is EA5-shaped; a paged378 cart copies it into RAM so MAME (and js99er) can boot it. Spectrum 32-column board, C64 colours. make ti99 / make ti99 test.
41 lines
1.0 KiB
Python
Executable File
41 lines
1.0 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Write an EA5 program image from the two RAM blobs."""
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import os
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import struct
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import sys
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def read(path):
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with open(path, "rb") as f:
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return f.read()
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def chunks(addr, data):
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while data:
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piece = data[:0x1FFA]
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data = data[0x1FFA:]
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yield addr, piece
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addr += len(piece)
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def main():
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if len(sys.argv) != 4:
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sys.stderr.write("usage: ti99-ea5.py text.bin data.bin outfile\n")
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return 2
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text, data, out = sys.argv[1:]
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tex = read(text)
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dat = read(data)
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recs = list(chunks(0xA000, tex)) + list(chunks(0x2000, dat))
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os.makedirs(os.path.dirname(out) or ".", exist_ok=True)
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with open(out, "wb") as f:
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for i, (addr, piece) in enumerate(recs):
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more = 0xFFFF if i < len(recs) - 1 else 0x0000
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f.write(struct.pack(">HHH", more, addr, 6 + len(piece)))
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f.write(piece)
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print("ti99 ea5: %d records, %d bytes -> %s" % (len(recs), os.path.getsize(out), out))
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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