diff --git a/ld/pd.ld b/ld/pd.ld
index 76b20a147..67c8ae4d0 100644
--- a/ld/pd.ld
+++ b/ld/pd.ld
@@ -9,6 +9,9 @@ SECTIONS
 	_gamedataSegmentRomStart = 0x39850;
 	_inflateSegmentRomStart = 0x4e850;
 	_ziplistSegmentRomStart = 0x4fc40;
+	_rspMicrocodeStart = 0x80059fe0;
+	_rspMicrocodeStartPlusOne = 0x80059fe1;
+	_rspMicrocodeEnd = 0x8005afe0;
 
 	_antipiracyUncloakWriteAddress = 0x7002a324;
 
diff --git a/src/game/game_01e250.c b/src/game/game_01e250.c
index 15b8f4f87..8128f26fd 100644
--- a/src/game/game_01e250.c
+++ b/src/game/game_01e250.c
@@ -6435,7 +6435,7 @@ glabel func0f023098
 .L0f024034:
 /*  f024034:	afa30124 */ 	sw	$v1,0x124($sp)
 /*  f024038:	afa60110 */ 	sw	$a2,0x110($sp)
-/*  f02403c:	0fc47b9c */ 	jal	func0f11ee70
+/*  f02403c:	0fc47b9c */ 	jal	debugGetSlowMotion
 /*  f024040:	e7b00114 */ 	swc1	$f16,0x114($sp)
 /*  f024044:	8fa30124 */ 	lw	$v1,0x124($sp)
 /*  f024048:	8fa60110 */ 	lw	$a2,0x110($sp)
diff --git a/src/game/game_097ba0.c b/src/game/game_097ba0.c
index 67d71973c..1c024fecc 100644
--- a/src/game/game_097ba0.c
+++ b/src/game/game_097ba0.c
@@ -22646,7 +22646,7 @@ glabel func0f0abad0
 /*  f0abafc:	8c680464 */ 	lw	$t0,0x464($v1)
 /*  f0abb00:	5500001b */ 	bnezl	$t0,.L0f0abb70
 /*  f0abb04:	8fbf0024 */ 	lw	$ra,0x24($sp)
-/*  f0abb08:	0fc5ae15 */ 	jal	func0f16b854
+/*  f0abb08:	0fc5ae15 */ 	jal	getEffectiveSlowMotion
 /*  f0abb0c:	00000000 */ 	sll	$zero,$zero,0x0
 /*  f0abb10:	10400003 */ 	beqz	$v0,.L0f0abb20
 /*  f0abb14:	3c048009 */ 	lui	$a0,0x8009
@@ -22700,7 +22700,7 @@ GLOBAL_ASM(
 glabel func0f0abba8
 /*  f0abba8:	27bdffe8 */ 	addiu	$sp,$sp,-24
 /*  f0abbac:	afbf0014 */ 	sw	$ra,0x14($sp)
-/*  f0abbb0:	0fc5ae15 */ 	jal	func0f16b854
+/*  f0abbb0:	0fc5ae15 */ 	jal	getEffectiveSlowMotion
 /*  f0abbb4:	00000000 */ 	sll	$zero,$zero,0x0
 /*  f0abbb8:	10400005 */ 	beqz	$v0,.L0f0abbd0
 /*  f0abbbc:	00000000 */ 	sll	$zero,$zero,0x0
@@ -22722,7 +22722,7 @@ GLOBAL_ASM(
 glabel func0f0abbe8
 /*  f0abbe8:	27bdffe8 */ 	addiu	$sp,$sp,-24
 /*  f0abbec:	afbf0014 */ 	sw	$ra,0x14($sp)
-/*  f0abbf0:	0fc5ae15 */ 	jal	func0f16b854
+/*  f0abbf0:	0fc5ae15 */ 	jal	getEffectiveSlowMotion
 /*  f0abbf4:	00000000 */ 	sll	$zero,$zero,0x0
 /*  f0abbf8:	10400005 */ 	beqz	$v0,.L0f0abc10
 /*  f0abbfc:	00000000 */ 	sll	$zero,$zero,0x0
diff --git a/src/game/game_11ecf0.c b/src/game/game_11ecf0.c
index 4a7348183..a64542501 100644
--- a/src/game/game_11ecf0.c
+++ b/src/game/game_11ecf0.c
@@ -313,10 +313,13 @@ glabel func0f11ee40
 /*  f11ee6c:	00001025 */ 	or	$v0,$zero,$zero
 );
 
+u32 debugGetSlowMotion(void)
+{
+	return SLOWMOTION_OFF;
+}
+
 GLOBAL_ASM(
-glabel func0f11ee70
-/*  f11ee70:	03e00008 */ 	jr	$ra
-/*  f11ee74:	00001025 */ 	or	$v0,$zero,$zero
+glabel func0f11ee78
 /*  f11ee78:	03e00008 */ 	jr	$ra
 /*  f11ee7c:	00001025 */ 	or	$v0,$zero,$zero
 /*  f11ee80:	03e00008 */ 	jr	$ra
diff --git a/src/game/game_167ae0.c b/src/game/game_167ae0.c
index b29ce5a30..c0cb8f57a 100644
--- a/src/game/game_167ae0.c
+++ b/src/game/game_167ae0.c
@@ -261,7 +261,7 @@ glabel func0f167c88
 /*  f167cd4:	0005782b */ 	sltu	$t7,$zero,$a1
 /*  f167cd8:	11e0000a */ 	beqz	$t7,.L0f167d04
 /*  f167cdc:	01e02825 */ 	or	$a1,$t7,$zero
-/*  f167ce0:	0fc5ae15 */ 	jal	func0f16b854
+/*  f167ce0:	0fc5ae15 */ 	jal	getEffectiveSlowMotion
 /*  f167ce4:	00000000 */ 	sll	$zero,$zero,0x0
 /*  f167ce8:	2c450001 */ 	sltiu	$a1,$v0,0x1
 /*  f167cec:	10a00005 */ 	beqz	$a1,.L0f167d04
@@ -3308,7 +3308,7 @@ glabel func0f169374
 /*  f16a900:	8e790464 */ 	lw	$t9,0x464($s3)
 /*  f16a904:	57200015 */ 	bnezl	$t9,.L0f16a95c
 /*  f16a908:	2861000f */ 	slti	$at,$v1,0xf
-/*  f16a90c:	0fc5ae15 */ 	jal	func0f16b854
+/*  f16a90c:	0fc5ae15 */ 	jal	getEffectiveSlowMotion
 /*  f16a910:	00000000 */ 	sll	$zero,$zero,0x0
 /*  f16a914:	10400003 */ 	beqz	$v0,.L0f16a924
 /*  f16a918:	3c048009 */ 	lui	$a0,0x8009
@@ -4361,7 +4361,7 @@ glabel func0f16b810
 );
 
 GLOBAL_ASM(
-glabel func0f16b854
+glabel getEffectiveSlowMotion
 /*  f16b854:	27bdffd0 */ 	addiu	$sp,$sp,-48
 /*  f16b858:	afbf0014 */ 	sw	$ra,0x14($sp)
 /*  f16b85c:	3c04b000 */ 	lui	$a0,0xb000
@@ -4418,7 +4418,7 @@ glabel func0f16b854
 /*  f16b918:	10000010 */ 	beqz	$zero,.L0f16b95c
 /*  f16b91c:	24020001 */ 	addiu	$v0,$zero,0x1
 .L0f16b920:
-/*  f16b920:	0fc47b9c */ 	jal	func0f11ee70
+/*  f16b920:	0fc47b9c */ 	jal	debugGetSlowMotion
 /*  f16b924:	00000000 */ 	sll	$zero,$zero,0x0
 /*  f16b928:	24010001 */ 	addiu	$at,$zero,0x1
 /*  f16b92c:	14410003 */ 	bne	$v0,$at,.L0f16b93c
@@ -4426,7 +4426,7 @@ glabel func0f16b854
 /*  f16b934:	10000009 */ 	beqz	$zero,.L0f16b95c
 /*  f16b938:	24020001 */ 	addiu	$v0,$zero,0x1
 .L0f16b93c:
-/*  f16b93c:	0fc47b9c */ 	jal	func0f11ee70
+/*  f16b93c:	0fc47b9c */ 	jal	debugGetSlowMotion
 /*  f16b940:	00000000 */ 	sll	$zero,$zero,0x0
 /*  f16b944:	24010002 */ 	addiu	$at,$zero,0x2
 /*  f16b948:	54410004 */ 	bnel	$v0,$at,.L0f16b95c
@@ -4441,6 +4441,52 @@ glabel func0f16b854
 /*  f16b968:	00000000 */ 	sll	$zero,$zero,0x0
 );
 
+// Can't match the antipiracy part
+//u32 getEffectiveSlowMotion(void)
+//{
+//#if PIRACYCHECKS
+//	u32 salt = func0f16b800(0xb000de8d);
+//	u32 actual;
+//	u32 expected = func0f16b800(0x1741d42a);
+//	func0004e650(salt, &actual);
+//
+//	if (actual != expected) {
+//		extern u32 _rspMicrocodeStart;
+//		extern u32 _rspMicrocodeStartPlusOne;
+//		u32 *ptr = &_rspMicrocodeStart;
+//		u32 *end = &ptr[1024];
+//
+//		if (!(end < &_rspMicrocodeStartPlusOne)) {
+//			do {
+//				*ptr += 8;
+//				ptr++;
+//			} while (ptr < end);
+//		}
+//	}
+//#endif
+//
+//	if (g_Vars.normmplayerisrunning) {
+//		if (g_MpSetup.options & MPOPTION_SLOWMOTION_ON) {
+//			return SLOWMOTION_ON;
+//		}
+//		if (g_MpSetup.options & MPOPTION_SLOWMOTION_SMART) {
+//			return SLOWMOTION_SMART;
+//		}
+//	} else {
+//		if (cheatIsActive(CHEAT_SLOMO)) {
+//			return SLOWMOTION_ON;
+//		}
+//		if (debugGetSlowMotion() == SLOWMOTION_ON) {
+//			return SLOWMOTION_ON;
+//		}
+//		if (debugGetSlowMotion() == SLOWMOTION_SMART) {
+//			return SLOWMOTION_SMART;
+//		}
+//	}
+//
+//	return SLOWMOTION_OFF;
+//}
+
 GLOBAL_ASM(
 glabel func0f16b96c
 /*  f16b96c:	27bdfd70 */ 	addiu	$sp,$sp,-656
@@ -4664,7 +4710,7 @@ glabel func0f16b96c
 /*  f16bc68:	100000d4 */ 	beqz	$zero,.L0f16bfbc
 /*  f16bc6c:	8e830034 */ 	lw	$v1,0x34($s4)
 .L0f16bc70:
-/*  f16bc70:	0fc5ae15 */ 	jal	func0f16b854
+/*  f16bc70:	0fc5ae15 */ 	jal	getEffectiveSlowMotion
 /*  f16bc74:	00000000 */ 	sll	$zero,$zero,0x0
 /*  f16bc78:	8e8f0040 */ 	lw	$t7,0x40($s4)
 /*  f16bc7c:	24010002 */ 	addiu	$at,$zero,0x2
diff --git a/src/include/constants.h b/src/include/constants.h
index 6a091795e..fe80cd736 100644
--- a/src/include/constants.h
+++ b/src/include/constants.h
@@ -1139,6 +1139,9 @@
 #define MPOPTION_NOAUTOAIM          0x00000008
 #define MPOPTION_NOPLAYERHIGHLIGHT  0x00000010
 #define MPOPTION_NOPICKUPHIGHLIGHT  0x00000020
+#define MPOPTION_SLOWMOTION_ON      0x00000040
+#define MPOPTION_SLOWMOTION_SMART   0x00000080
+#define MPOPTION_NOPICKUPHIGHLIGHT  0x00000020
 #define MPOPTION_FASTMOVEMENT       0x00000100
 #define MPOPTION_KILLSSCORE         0x00000400
 #define MPOPTION_HIGHLIGHTBRIEFCASE 0x00000800
@@ -1656,6 +1659,10 @@
 #define SKJUMPSTATE_TAKEOFF  0
 #define SKJUMPSTATE_AIRBORNE 1
 
+#define SLOWMOTION_OFF   0
+#define SLOWMOTION_ON    1
+#define SLOWMOTION_SMART 2
+
 #define SMOKETYPE_0 0
 #define SMOKETYPE_1 1
 #define SMOKETYPE_2 2
diff --git a/src/include/game/game_11ecf0.h b/src/include/game/game_11ecf0.h
index 4219322da..8f03e9826 100644
--- a/src/include/game/game_11ecf0.h
+++ b/src/include/game/game_11ecf0.h
@@ -15,7 +15,7 @@ u32 func0f11ee08(void);
 bool func0f11ee20(void);
 u32 func0f11ee28(void);
 u32 func0f11ee40(void);
-u32 func0f11ee70(void);
+u32 debugGetSlowMotion(void);
 bool func0f11ee88(void);
 u32 func0f11ee90(void);
 bool func0f11eea8(void);
diff --git a/src/include/game/game_167ae0.h b/src/include/game/game_167ae0.h
index 82d32e27c..3dd506b6c 100644
--- a/src/include/game/game_167ae0.h
+++ b/src/include/game/game_167ae0.h
@@ -18,9 +18,9 @@ u32 func0f168f24(void);
 u32 func0f1691c0(void);
 u32 func0f169374(void);
 u32 func0f16b0c8(void);
-u32 func0f16b800(void);
+u32 func0f16b800(u32 arg0);
 u32 func0f16b810(void);
-u32 func0f16b854(void);
+u32 getEffectiveSlowMotion(void);
 u32 func0f16b96c(void);
 u32 func0f16cb04(void);
 void func0f16cce4(void);
diff --git a/src/include/lib/lib_4e530.h b/src/include/lib/lib_4e530.h
index cf3bac9fa..712c23308 100644
--- a/src/include/lib/lib_4e530.h
+++ b/src/include/lib/lib_4e530.h
@@ -5,6 +5,6 @@
 
 u32 func0004e530(void);
 u32 func0004e640(void);
-u32 func0004e650(void);
+void func0004e650(u32 salt, u32 *actual);
 
 #endif