diff --git a/src/RDP.h b/src/RDP.h
index da90f03d..d773ec1d 100644
--- a/src/RDP.h
+++ b/src/RDP.h
@@ -16,6 +16,7 @@ extern RDPInfo RDP;
 
 void RDP_Init();
 void RDP_Half_1(u32 _c);
+void RDP_TexRect(u32 w0, u32 w1);
 void RDP_ProcessRDPList();
 void RDP_RepeatLastLoadBlock();
 void RDP_SetScissor(u32 w0, u32 w1);
diff --git a/src/S2DEX.cpp b/src/S2DEX.cpp
index d873840d..e38579b6 100644
--- a/src/S2DEX.cpp
+++ b/src/S2DEX.cpp
@@ -1,3 +1,4 @@
+#include <assert.h>
 #include "OpenGL.h"
 #include "S2DEX.h"
 #include "F3D.h"
@@ -6,6 +7,7 @@
 #include "gSP.h"
 #include "gDP.h"
 #include "RSP.h"
+#include "RDP.h"
 #include "Types.h"
 #include "Log.h"
 
@@ -57,9 +59,41 @@ void S2DEX_MoveWord( u32 w0, u32 w1 )
 	}
 }
 
+void S2DEX_RDPHalf_0( u32 w0, u32 w1 ) {
+	if (RSP.nextCmd == G_SELECT_DL) {
+		gSP.selectDL.addr = _SHIFTR(w0, 0, 16);
+		gSP.selectDL.sid = _SHIFTR(w0, 18, 8);
+		gSP.selectDL.flag = w1;
+		return;
+	}
+	if (RSP.nextCmd == G_RDPHALF_1) {
+		RDP_TexRect(w0, w1);
+		return;
+	}
+	assert(false);
+}
+
 void S2DEX_Select_DL( u32 w0, u32 w1 )
 {
-	LOG(LOG_WARNING, "S2DEX_Select_DL unimplemented\n");
+	gSP.selectDL.addr |= (_SHIFTR(w0, 0, 16)) << 16;
+	const u8 sid = gSP.selectDL.sid;
+	const u32 flag = gSP.selectDL.flag;
+	const u32 mask = w1;
+	if ((gSP.status[sid] & mask) == flag)
+		// Do nothing;
+		return;
+
+	gSP.status[sid] = (gSP.status[sid] & ~mask) | (flag & mask);
+
+	switch (_SHIFTR( w0, 16, 8 ))
+	{
+		case G_DL_PUSH:
+			gSPDisplayList( gSP.selectDL.addr );
+			break;
+		case G_DL_NOPUSH:
+			gSPBranchList( gSP.selectDL.addr );
+			break;
+	}
 }
 
 void S2DEX_Obj_RenderMode( u32 w0, u32 w1 )
@@ -119,6 +153,7 @@ void S2DEX_Init()
 	GBI_SetGBI( G_SETOTHERMODE_H,		F3D_SETOTHERMODE_H,		F3D_SetOtherMode_H );
 	GBI_SetGBI( G_SETOTHERMODE_L,		F3D_SETOTHERMODE_L,		F3D_SetOtherMode_L );
 	GBI_SetGBI( G_ENDDL,				F3D_ENDDL,				F3D_EndDL );
+	GBI_SetGBI( G_RDPHALF_0,			S2DEX_RDPHALF_0,		S2DEX_RDPHalf_0 );
 	GBI_SetGBI( G_RDPHALF_1,			F3D_RDPHALF_1,			F3D_RDPHalf_1 );
 	GBI_SetGBI( G_RDPHALF_2,			F3D_RDPHALF_2,			F3D_RDPHalf_2 );
 	GBI_SetGBI(	G_LOAD_UCODE,			S2DEX_LOAD_UCODE,		F3DEX_Load_uCode );
diff --git a/src/S2DEX.h b/src/S2DEX.h
index a608e132..f98a4a43 100644
--- a/src/S2DEX.h
+++ b/src/S2DEX.h
@@ -173,6 +173,7 @@ void S2DEX_BG_Copy( u32 w0, u32 w1 );
 void S2DEX_Obj_Rectangle( u32 w0, u32 w1 );
 void S2DEX_Obj_Sprite( u32 w0, u32 w1 );
 void S2DEX_Obj_MoveMem( u32 w0, u32 w1 );
+void S2DEX_RDPHalf_0( u32 w0, u32 w1 );
 void S2DEX_Select_DL( u32 w0, u32 w1 );
 void S2DEX_Obj_RenderMode( u32 w0, u32 w1 );
 void S2DEX_Obj_Rectangle_R( u32 w0, u32 w1 );
diff --git a/src/S2DEX2.cpp b/src/S2DEX2.cpp
index 51c30646..7dd1431f 100644
--- a/src/S2DEX2.cpp
+++ b/src/S2DEX2.cpp
@@ -50,6 +50,7 @@ void S2DEX2_Init()
 	GBI_SetGBI( G_SETOTHERMODE_H,		F3DEX2_SETOTHERMODE_H,	F3DEX2_SetOtherMode_H );
 	GBI_SetGBI( G_SETOTHERMODE_L,		F3DEX2_SETOTHERMODE_L,	F3DEX2_SetOtherMode_L );
 	GBI_SetGBI( G_ENDDL,				F3DEX2_ENDDL,			F3D_EndDL );
+	GBI_SetGBI( G_RDPHALF_0,			S2DEX2_RDPHALF_0,		S2DEX_RDPHalf_0 );
 	GBI_SetGBI( G_RDPHALF_1,			F3DEX2_RDPHALF_1,		F3D_RDPHalf_1 );
 	GBI_SetGBI( G_RDPHALF_2,			F3DEX2_RDPHALF_2,		F3D_RDPHalf_2 );
 	GBI_SetGBI(	G_LOAD_UCODE,			F3DEX2_LOAD_UCODE,		F3DEX_Load_uCode );
diff --git a/src/gSP.cpp b/src/gSP.cpp
index a23e27d2..d7258e1d 100644
--- a/src/gSP.cpp
+++ b/src/gSP.cpp
@@ -1791,6 +1791,7 @@ void gSPLineW3D( s32 v0, s32 v1, s32 wd, s32 flag )
 
 void gSPSetStatus(u32 sid, u32 val)
 {
+	assert(sid <= 12);
 	gSP.status[sid>>2] = val;
 }
 
diff --git a/src/gSP.h b/src/gSP.h
index ca8032e1..273d580c 100644
--- a/src/gSP.h
+++ b/src/gSP.h
@@ -119,6 +119,11 @@ struct gSPInfo
 
 	u32 changed;
 
+	struct {
+		u8 sid;
+		u32 flag;
+		u32 addr;
+	} selectDL;
 	u32 status[4];
 
 	struct