mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 02:11:36 -04:00
Matthew Stanley
46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
"""Guard the CD controller wiring for the timed tray cycle."""
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from pathlib import Path
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import re
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SOURCE = (Path(__file__).parents[1] / "src" / "cdrom.c").read_text(
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encoding="utf-8"
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)
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def function_body(name: str) -> str:
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match = re.search(rf"\b{name}\s*\([^)]*\)\s*\{{", SOURCE)
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assert match, f"missing function: {name}"
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start = match.end()
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depth = 1
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cursor = start
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while cursor < len(SOURCE) and depth:
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if SOURCE[cursor] == "{":
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depth += 1
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elif SOURCE[cursor] == "}":
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depth -= 1
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cursor += 1
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assert depth == 0, f"unterminated function: {name}"
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return SOURCE[start : cursor - 1]
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reinsert = function_body("debug_force_cd_reinsert")
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assert "begin_tray_open_cycle()" in reinsert
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tray_open = function_body("begin_tray_open_cycle")
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assert "cdrom_lid_begin_open" in tray_open
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assert "s_lid_irq_pending = 1" in tray_open
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assert "set_irq(CDIRQ_ACK)" not in reinsert + tray_open
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present = function_body("present_lid_open_irq_if_ready")
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assert "response_push(0x08)" in present
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assert "set_irq(CDIRQ_ERROR)" in present
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has_disc = function_body("has_disc")
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assert "cdrom_lid_media_ready" in has_disc
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advance = function_body("cdrom_advance")
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assert advance.count("process_lid_state()") >= 2
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print("PASS: timed CD lid integration guards")
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