diff --git a/src/game/chr/chr.c b/src/game/chr/chr.c
index b59ad39a6..2c6999fe1 100644
--- a/src/game/chr/chr.c
+++ b/src/game/chr/chr.c
@@ -2538,7 +2538,7 @@ struct prop *func0f020b14(struct prop *prop, struct model *model,
 	model->unk01 = 1;
 	chr->model = model;
 	func0f03e538(chr, arg4);
-	func0001dfac(model, var80062968, 0);
+	modelSetAnimPlaySpeed(model, var80062968, 0);
 
 	testpos.x = pos->x;
 	testpos.y = pos->y + 100;
@@ -2788,7 +2788,7 @@ void func0f0211a8(f32 arg0)
 
 	for (i = 0; i < g_NumChrsA; i++) {
 		if (g_ChrsA[i].model) {
-			func0001dfac(g_ChrsA[i].model, var80062968, 600);
+			modelSetAnimPlaySpeed(g_ChrsA[i].model, var80062968, 600);
 		}
 	}
 }
diff --git a/src/game/game_0125a0.c b/src/game/game_0125a0.c
index ed3e1d20e..9b52cfb3a 100644
--- a/src/game/game_0125a0.c
+++ b/src/game/game_0125a0.c
@@ -120,7 +120,7 @@ glabel func0f012684
 /*  f0126f8:	8e240284 */ 	lw	$a0,0x284($s1)
 /*  f0126fc:	44050000 */ 	mfc1	$a1,$f0
 /*  f012700:	4406a000 */ 	mfc1	$a2,$f20
-/*  f012704:	0c0077eb */ 	jal	func0001dfac
+/*  f012704:	0c0077eb */ 	jal	modelSetAnimPlaySpeed
 /*  f012708:	2484045c */ 	addiu	$a0,$a0,0x45c
 /*  f01270c:	3c013f80 */ 	lui	$at,0x3f80
 /*  f012710:	44810000 */ 	mtc1	$at,$f0
diff --git a/src/include/lib/lib_1a500.h b/src/include/lib/lib_1a500.h
index 68ad13904..81ea29486 100644
--- a/src/include/lib/lib_1a500.h
+++ b/src/include/lib/lib_1a500.h
@@ -69,7 +69,7 @@ void func0001de1c(struct model *model, f32 speed);
 u32 func0001de98(void);
 void modelSetAnimSpeed(struct model *model, f32 speed, f32 startframe);
 void func0001df04(struct model *model, f32 arg1, f32 arg2);
-void func0001dfac(struct model *model, f32 arg1, f32 arg2);
+void modelSetAnimPlaySpeed(struct model *model, f32 speed, f32 frame);
 void modelSetAnim70(struct model *model, void *callback);
 u32 func0001e018(void);
 u32 func0001e14c(void);
diff --git a/src/include/types.h b/src/include/types.h
index 8e3275ef6..85f2513ce 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -142,10 +142,10 @@ struct anim {
 	/*0x6c*/ u32 unk6c;
 	/*0x70*/ void *unk70; // pointer to function
 	/*0x74*/ f32 playspeed;
-	/*0x78*/ u32 newplay;
-	/*0x7c*/ u32 oldplay;
-	/*0x80*/ u32 timeplay;
-	/*0x84*/ u32 elapseplay;
+	/*0x78*/ f32 newplay;
+	/*0x7c*/ f32 oldplay;
+	/*0x80*/ f32 timeplay;
+	/*0x84*/ f32 elapseplay;
 	/*0x88*/ f32 animscale;
 };
 
diff --git a/src/lib/lib_1a500.c b/src/lib/lib_1a500.c
index b2a9c37c6..aeed29fb4 100644
--- a/src/lib/lib_1a500.c
+++ b/src/lib/lib_1a500.c
@@ -4397,32 +4397,22 @@ glabel func0001df04
 /*    1dfa8:	00000000 */ 	nop
 );
 
-GLOBAL_ASM(
-glabel func0001dfac
-/*    1dfac:	8c820020 */ 	lw	$v0,0x20($a0)
-/*    1dfb0:	44857000 */ 	mtc1	$a1,$f14
-/*    1dfb4:	44866000 */ 	mtc1	$a2,$f12
-/*    1dfb8:	1040000f */ 	beqz	$v0,.L0001dff8
-/*    1dfbc:	00000000 */ 	nop
-/*    1dfc0:	44800000 */ 	mtc1	$zero,$f0
-/*    1dfc4:	00000000 */ 	nop
-/*    1dfc8:	460c003c */ 	c.lt.s	$f0,$f12
-/*    1dfcc:	00000000 */ 	nop
-/*    1dfd0:	45020008 */ 	bc1fl	.L0001dff4
-/*    1dfd4:	e44e0074 */ 	swc1	$f14,0x74($v0)
-/*    1dfd8:	c4440074 */ 	lwc1	$f4,0x74($v0)
-/*    1dfdc:	e44c0080 */ 	swc1	$f12,0x80($v0)
-/*    1dfe0:	e44e0078 */ 	swc1	$f14,0x78($v0)
-/*    1dfe4:	e4400084 */ 	swc1	$f0,0x84($v0)
-/*    1dfe8:	03e00008 */ 	jr	$ra
-/*    1dfec:	e444007c */ 	swc1	$f4,0x7c($v0)
-/*    1dff0:	e44e0074 */ 	swc1	$f14,0x74($v0)
-.L0001dff4:
-/*    1dff4:	e4400080 */ 	swc1	$f0,0x80($v0)
-.L0001dff8:
-/*    1dff8:	03e00008 */ 	jr	$ra
-/*    1dffc:	00000000 */ 	nop
-);
+void modelSetAnimPlaySpeed(struct model *model, f32 speed, f32 startframe)
+{
+	struct anim *anim = model->anim;
+
+	if (anim) {
+		if (startframe > 0) {
+			anim->timeplay = startframe;
+			anim->newplay = speed;
+			anim->elapseplay = 0;
+			anim->oldplay = anim->playspeed;
+		} else {
+			anim->playspeed = speed;
+			anim->timeplay = 0;
+		}
+	}
+}
 
 void modelSetAnim70(struct model *model, void *callback)
 {