The game steps a fixed amount per update, from three 30 fps values, and its updates are not held
by the presents:
- A KIDS task (main+0x166d980) waits until 1 / fps has passed and steps the game clock by a
frame-rate object's 1/30 s (the measured path runs only without the object).
- The battle steps 1 / the game's frame-rate block (main+0x269e150: {30, interval 2, 30, 30.0}),
read by the scene update's caller (main+0x8c3610) and its jobs; found with a sample profile.
- The event scripts step by the KTGL device's frame rate, 59.94 / the interval in its config.
The 60 fps cuts (d975e2e) changed only the task's wait and the interval, and were checked only on
cutscenes. DM_PROBE showed the game clock at 2.00 x real time, and battles ran twice as fast on an
iPhone. Fixing the clock alone was not enough: Link still covered twice the ground in a 3 s stick
hold, and the enemy waves came early.
AoC 1.3.0 main joins the rewriter's frame step (patch_nso.py FRAME_STEP), with three stubs. The
updates run at the cap: the task's fps and the frame-rate block become the cap; the object's step
is scaled by its fps x vsyncs per update / 60; the device frame rate becomes 59.94 / vsyncs; and
nnMain's device config gets interval 1 above a 30 fps cap. They replace the two CUTS entries.
Every step stays per update, as on the Switch. The host paces the presents: 60 fps, or 30 when 60
does not hold. Profile fps_target 60; DM_FPS_TARGET=30 runs at 30, and 0 is the Switch original.
On the Mac:
- Game time follows real time at 60 and 30.
- After the same stick hold at the same wall time, Link stops on the same spot at 60 fps as in
the 30 fps original.
- The battle loads at about 133 s in every run.
- The forced 30 matches the original.
Two variants were tried and dropped. Stepping by the measured time still ran battles at twice the
speed. A task wait that follows the step locked the hold at 3 vsyncs.
AoC's shader libraries were rebuilt for chain a9687d01ebfa (Mac and iOS); c1_full.tsv is
regenerated with the same list. The IPA HyruleWarriorsAgeOfCalamity-2026-10-21-speed.ipa, built
from 89b608d plus these changes, awaits an iPhone test.
seedds
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