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[frontend] Slow and Turbo modes (#3525)

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Closes #3344

Adds slow and turbo modes with configurable speeds that can then be
toggled by the user. Behavior is:
- Standard/slow limit, toggle turbo = turbo
- Turbo limit, toggle turbo = standard
- Standard/turbo limit, toggle slow = slow
- Slow limit, toggle slow = standard

Enabling the turbo/slow mode enables the frame limiter unconditionally.

This has some conflicts with VSync. For example when I set my refresh
rate to 60hz and enable vsync, turbo mode does nothing. Not sure how to
go about fixing this, @MaranBr probably knows better the proper
solution.

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3525
Reviewed-by: DraVee <dravee@eden-emu.dev>
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
This commit is contained in:
crueter 2026-02-12 01:31:55 +01:00
parent 5f676a6a55
commit 2b979024cb
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GPG key ID: 425ACD2D4830EBC6
18 changed files with 295 additions and 29 deletions
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32
src/common/settings.h
View file

@ -204,6 +204,7 @@ struct Values {
true};
SwitchableSetting<bool> use_speed_limit{
linkage, true, "use_speed_limit", Category::Core, Specialization::Paired, true, true};
SwitchableSetting<u16, true> speed_limit{linkage,
100,
0,
@ -214,6 +215,30 @@ struct Values {
true,
true,
&use_speed_limit};
SwitchableSetting<u16, true> slow_speed_limit{linkage,
50,
0,
9999,
"slow_speed_limit",
Category::Core,
Specialization::Countable | Specialization::Percentage,
true,
true};
SwitchableSetting<u16, true> turbo_speed_limit{linkage,
200,
0,
9999,
"turbo_speed_limit",
Category::Core,
Specialization::Countable | Specialization::Percentage,
true,
true};
// The currently used speed mode.
Setting<SpeedMode> current_speed_mode{linkage, SpeedMode::Standard, "current_speed_mode", Category::Core, Specialization::Default, false, true};
SwitchableSetting<bool> sync_core_speed{linkage, false, "sync_core_speed", Category::Core,
Specialization::Default};
@ -824,6 +849,13 @@ bool IsDockedMode();
float Volume();
// speed limit ops
u16 SpeedLimit();
void SetSpeedMode(const SpeedMode &mode);
void ToggleStandardMode();
void ToggleTurboMode();
void ToggleSlowMode();
std::string GetTimeZoneString(TimeZone time_zone);
void LogSettings();