aiden/h8-536-decoder
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p9 bus emulation

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Aiden
2026-05-25 22:32:13 +10:00
parent c3eb09ddc8
commit 0c241877eb
12 changed files with 179 additions and 10 deletions
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4
h8536/emulator/rx_probe.py
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@@ -213,6 +213,7 @@ def run_rx_probe(
clock_hz: int = 10_000_000,
p9_fast_path: bool = True,
p9_fast_input: int = 0xFF,
p9_fast_optimistic_wrapper: bool = False,
stop_after_tx_frame: bool = True,
) -> tuple[Path, H8536Emulator, str, list[FrameResult]]:
rom_bytes, discovered_rom_path = load_rom(rom_path)
@@ -224,6 +225,7 @@ def run_rx_probe(
clock_hz=clock_hz,
p9_fast_path_enabled=p9_fast_path,
p9_fast_default_input_byte=p9_fast_input,
p9_fast_default_wrapper_success=p9_fast_optimistic_wrapper,
)
boot_context = RunContext()
@@ -268,6 +270,7 @@ def build_arg_parser() -> argparse.ArgumentParser:
parser.add_argument("--frt2-ocia-steps", type=int, default=None, help="legacy step-period override for FRT2 OCIA")
parser.add_argument("--no-p9-fast-path", action="store_true", help="disable shortcut handling for known P9 routines")
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="make P9 fast-path wrapper calls succeed when no modeled P9 response is queued")
return parser
@@ -293,6 +296,7 @@ def main(argv: list[str] | None = None) -> int:
clock_hz=args.clock_hz,
p9_fast_path=not args.no_p9_fast_path,
p9_fast_input=args.p9_fast_input,
p9_fast_optimistic_wrapper=args.p9_fast_optimistic_wrapper,
stop_after_tx_frame=not args.keep_listening,
)