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The patch set text_speed scales the typewriter speed of a message the game lets the player skip (fast, three times as fast, its scripted waits as long) or runs the game's own skip on the first frame of each page (instant). Messages the game marks unskippable, such as those that turn their page on a timer, keep the game's speed. The setting is live and has a row on the Game tab in all four menu languages; with it at normal the set is off. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
83 lines
3.7 KiB
Python
83 lines
3.7 KiB
Python
"""Build and run tests/text_speed_check.c: the text_speed setting (runtime/text_speed.c) and the replacement words of
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the patch set text_speed (recomp/patches-v111.txt), lifted by recomp/lifter.py as the generator lifts them, against a
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stand-in message window and typewriter. No game files: the lifted words go to the test's build folder.
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Usage: text_speed_check.py
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"""
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import os
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import shutil
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import subprocess
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import sys
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from pathlib import Path
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ROOT = Path(__file__).resolve().parents[1]
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sys.path[:0] = [str(ROOT), str(ROOT / 'recomp')]
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from lifter import Lifter # noqa: E402
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from patches import load # noqa: E402
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from tools.check_content import GENERATED_MARKER # noqa: E402
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MSYS_BIN = Path(r'C:\msys64\ucrt64\bin')
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MAIN = 0x7000000000
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SKIP_SITE, SPEED_SITE = 0x774b74, 0xafe1d8
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def compiler():
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if os.environ.get('CC'):
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return os.environ['CC']
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if os.name == 'nt' and (MSYS_BIN / 'clang.exe').exists():
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return str(MSYS_BIN / 'clang.exe')
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return shutil.which('clang') or 'clang'
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def site_words(table, site, original):
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"""The set's replacement words at a site, after checking the site has only them and the original word."""
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alternatives = table.sites['main'][site]
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assert len(alternatives) == 1, hex(site)
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key, words, have = alternatives[0]
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assert table.sets[key] == ('text_speed', 'NX2NAVI_TEXT_SPEED_PATCH', 1), table.sets[key]
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assert have == original, (hex(site), hex(have))
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return words
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def lifted(name, site, words, page_reg, last_branch):
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"""A C function running the words at the site: the adrp of the patch page is left to the caller, who puts the
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page's address in that register, and a last conditional branch is left to the caller too, who reads its register."""
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body = []
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for j, word in enumerate(words):
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if isinstance(word, tuple):
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assert word == ('page', page_reg) and j == (1 if site == SPEED_SITE else 0), (hex(site), word)
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continue
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insn = Lifter(0, simd='c').lift(word, MAIN + site)
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if j == len(words) - 1 and last_branch:
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assert insn.kind != 'op' and word == 0x36000069, hex(word) # tbz w9, #0, the original's target
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continue
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assert insn.kind == 'op', (hex(site), hex(word), insn.kind)
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body.append(' ' + insn.code)
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return f'void {name}(Cpu *c) {{\n' + '\n'.join(body) + '\n}\n'
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def main():
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table = load(ROOT / 'recomp/patches-v111.txt', [('main', MAIN, 0x4ea0000)])
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skip = site_words(table, SKIP_SITE, 0x36000074) # tbz w20, #0, #0x774b80
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speed = site_words(table, SPEED_SITE, 0xbd404e61) # ldr s1, [x19, #0x4c]
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work = ROOT / 'build' / 'test' / 'text_speed'
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work.mkdir(parents=True, exist_ok=True)
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sites = work / 'sites.c'
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sites.write_text(f'// {GENERATED_MARKER}: the patch set text_speed lifted by tests/text_speed_check.py.\n'
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'#include "cpu.h"\n#include "simd.h"\n\n'
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+ lifted('site_skip', SKIP_SITE, skip, 9, True) + '\n'
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+ lifted('site_speed', SPEED_SITE, speed, 22, False))
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exe = work / ('text_speed_check.exe' if os.name == 'nt' else 'text_speed_check')
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env = dict(os.environ)
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if os.name == 'nt' and MSYS_BIN.exists():
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env['PATH'] = str(MSYS_BIN) + os.pathsep + env.get('PATH', '')
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subprocess.check_call([compiler(), '-O1', '-Wall', '-Wno-unused-function', '-Wno-unused-variable',
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'-fno-strict-aliasing', '-I', str(ROOT / 'runtime'),
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str(ROOT / 'tests' / 'text_speed_check.c'), str(sites), '-o', str(exe), '-lm'], env=env)
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rc = subprocess.run([str(exe)], env=env).returncode
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return subprocess.run([str(exe), 'kept-off'], env=env).returncode or rc
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if __name__ == '__main__':
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sys.exit(main())
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