A title calls psx_mod_set_rewind_blocked(1) while it is in a mode that must
not be rewound, such as local split-screen multiplayer, and 0 when it ends.
While blocked, opening Rewind is refused with an OSD note, no history is
captured (the ring keeps what it has; a capture already due is dropped and an
open panel closes unloaded), and a title-allowed direct Rewind shortcut is not
in force: its button is not claimed and reaches the guest pad / title
transform as if Rewind were off. Netplay already refuses Rewind on its own.
The block clears at every mod/session start, so a title that never calls it
is unchanged.
The direct-allowance decision (allowed, and for Rewind: enabled and not
blocked) is now one pure helper, psx_hotkey_direct_active, used for both the
claim and the shortcut press, so an unclaimed Rewind button is never a
one-button shortcut (with Rewind off it falls back to Select + button rather
than popping the "Rewind is off" note on every press).
Tests: psx_hotkey_pad_test covers the allowance and a block taking effect
mid-press; rewind_toggle_combo_test guards the capture/open gates and reset.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Shokunin
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