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Eprom emulation

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Aiden
2026-05-25 23:28:14 +10:00
parent 0819701b22
commit 3f9f03388c
12 changed files with 129 additions and 6 deletions
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h8536/emulator/cli.py
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@@ -45,6 +45,8 @@ def build_arg_parser() -> argparse.ArgumentParser:
parser.add_argument("--p9-fast-path", action="store_true", help="shortcut known P9 bit-banged transfer routines for exploration")
parser.add_argument("--p9-fast-input", type=parse_int, default=0xFF, help="default byte returned by the P9 fast-path read routine")
parser.add_argument("--p9-fast-optimistic-wrapper", action="store_true", help="legacy fallback for older wrapper experiments; known BFE0/BFFE wrappers use the X24164 model")
parser.add_argument("--p7-input", type=parse_int, default=0xFF, help="external P7 pin state for input bits; DIP-off board default is 0xFF")
parser.add_argument("--eeprom-seed", choices=("blank", "factory"), default="blank", help="initial X24164/shadow state before reset")
return parser
@@ -65,6 +67,8 @@ def main(argv: list[str] | None = None) -> int:
p9_fast_path_enabled=args.p9_fast_path,
p9_fast_default_input_byte=args.p9_fast_input,
p9_fast_default_wrapper_success=args.p9_fast_optimistic_wrapper,
p7_input=args.p7_input,
eeprom_seed=args.eeprom_seed,
)
print(f"rom={rom_path}")
print(f"reset_vector={h16(emulator.reset_vector())}")