From dc840c077d7fe846c15acc8c2a7a5297d372be44 Mon Sep 17 00:00:00 2001
From: "Unknown W. Brackets" <checkins@unknownbrackets.org>
Date: Sat, 16 Jun 2018 18:22:34 -0700
Subject: [PATCH] UI: Add a virtkey for holding alt speed.

Can be used for slow motion or fast motion (esp. if unthrottle is too
fast.)
---
 Common/KeyMap.cpp |  1 +
 Common/KeyMap.h   |  1 +
 UI/EmuScreen.cpp  | 19 +++++++++++++++++--
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/Common/KeyMap.cpp b/Common/KeyMap.cpp
index ffe76c87a0..805bd4b4d2 100644
--- a/Common/KeyMap.cpp
+++ b/Common/KeyMap.cpp
@@ -645,6 +645,7 @@ const KeyMap_IntStrPair psp_button_names[] = {
 	{VIRTKEY_RAPID_FIRE, "RapidFire"},
 	{VIRTKEY_UNTHROTTLE, "Unthrottle"},
 	{VIRTKEY_SPEED_TOGGLE, "SpeedToggle"},
+	{VIRTKEY_SPEED_PRESS, "Speed toggle hold"},
 	{VIRTKEY_PAUSE, "Pause"},
 #ifndef MOBILE_DEVICE
 	{VIRTKEY_FRAME_ADVANCE, "Frame Advance"},
diff --git a/Common/KeyMap.h b/Common/KeyMap.h
index fd56d4d8f5..810beec448 100644
--- a/Common/KeyMap.h
+++ b/Common/KeyMap.h
@@ -52,6 +52,7 @@ enum {
 	VIRTKEY_DEVMENU = 0x40000014,
 	VIRTKEY_FRAME_ADVANCE = 0x40000015,
 	VIRTKEY_RECORD = 0x40000016,
+	VIRTKEY_SPEED_PRESS = 0x40000017,
 	VIRTKEY_LAST,
 	VIRTKEY_COUNT = VIRTKEY_LAST - VIRTKEY_FIRST
 };
diff --git a/UI/EmuScreen.cpp b/UI/EmuScreen.cpp
index 85807bd5fa..cf268c5ba6 100644
--- a/UI/EmuScreen.cpp
+++ b/UI/EmuScreen.cpp
@@ -474,13 +474,19 @@ void EmuScreen::onVKeyDown(int virtualKeyCode) {
 		if (PSP_CoreParameter().fpsLimit == 0) {
 			PSP_CoreParameter().fpsLimit = 1;
 			osm.Show(sc->T("fixed", "Speed: alternate"), 1.0);
-		}
-		else if (PSP_CoreParameter().fpsLimit == 1) {
+		} else if (PSP_CoreParameter().fpsLimit == 1) {
 			PSP_CoreParameter().fpsLimit = 0;
 			osm.Show(sc->T("standard", "Speed: standard"), 1.0);
 		}
 		break;
 
+	case VIRTKEY_SPEED_PRESS:
+		if (PSP_CoreParameter().fpsLimit == 0) {
+			PSP_CoreParameter().fpsLimit = 1;
+			osm.Show(sc->T("fixed", "Speed: alternate"), 1.0);
+		}
+		break;
+
 	case VIRTKEY_PAUSE:
 		pauseTrigger_ = true;
 		break;
@@ -580,11 +586,20 @@ void EmuScreen::onVKeyDown(int virtualKeyCode) {
 }
 
 void EmuScreen::onVKeyUp(int virtualKeyCode) {
+	I18NCategory *sc = GetI18NCategory("Screen");
+
 	switch (virtualKeyCode) {
 	case VIRTKEY_UNTHROTTLE:
 		PSP_CoreParameter().unthrottle = false;
 		break;
 
+	case VIRTKEY_SPEED_PRESS:
+		if (PSP_CoreParameter().fpsLimit == 1) {
+			PSP_CoreParameter().fpsLimit = 0;
+			osm.Show(sc->T("standard", "Speed: standard"), 1.0);
+		}
+		break;
+
 	case VIRTKEY_AXIS_X_MIN:
 	case VIRTKEY_AXIS_X_MAX:
 		setVKeyAnalogX(CTRL_STICK_LEFT, VIRTKEY_AXIS_X_MIN, VIRTKEY_AXIS_X_MAX);