diff --git a/docs/recommended_todo.md b/docs/recommended_todo.md
index 99c511e5a..285357b3b 100644
--- a/docs/recommended_todo.md
+++ b/docs/recommended_todo.md
@@ -19,7 +19,7 @@
 ### <section id="Dolphin">Dolphin</section>
 | File | Size (bytes) | File | Size (bytes) |
 | ---- | ---- | ---- | ---- |
-| <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/TRK_MINNOW_DOLPHIN/targsupp.c">TRK_MINNOW_DOLPHIN/targsupp.c</a> | 326 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/gx/GXDisplayList.c">gx/GXDisplayList.c</a> | 647 |
+| <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/TRK_MINNOW_DOLPHIN/targsupp.c">TRK_MINNOW_DOLPHIN/targsupp.c</a> | 326 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/gx/GXDisplayList.c">gx/GXDisplayList.c</a> | 582 |
 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/Runtime/__init_cpp_exceptions.cpp">Runtime/__init_cpp_exceptions.cpp</a> | 684 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/Runtime/global_destructor_chain.c">Runtime/global_destructor_chain.c</a> | 965 |
 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/mtx/mtxvec.c">mtx/mtxvec.c</a> | 3122 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/TRK_MINNOW_DOLPHIN/mslsupp.c">TRK_MINNOW_DOLPHIN/mslsupp.c</a> | 4555 |
 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/TRK_MINNOW_DOLPHIN/CircleBuffer.c">TRK_MINNOW_DOLPHIN/CircleBuffer.c</a> | 4715 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/TRK_MINNOW_DOLPHIN/serpoll.c">TRK_MINNOW_DOLPHIN/serpoll.c</a> | 4793 |
@@ -29,6 +29,7 @@
 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/TRK_MINNOW_DOLPHIN/dolphin_trk.c">TRK_MINNOW_DOLPHIN/dolphin_trk.c</a> | 11230 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/TRK_MINNOW_DOLPHIN/support.c">TRK_MINNOW_DOLPHIN/support.c</a> | 12046 |
 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/gx/GXTransform.c">gx/GXTransform.c</a> | 12379 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/gx/GXLight.c">gx/GXLight.c</a> | 14151 |
 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/gx/GXTev.c">gx/GXTev.c</a> | 14624 | <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/gx/GXPixel.c">gx/GXPixel.c</a> | 15806 |
+| <a href="https://github.com/projectPiki/pikmin2/tree/main/src/Dolphin/gx/GXPerf.c">gx/GXPerf.c</a> | 17304 |
 
 ### <section id="JSystem">JSystem</section>
 | File | Size (bytes) | File | Size (bytes) |
diff --git a/include/Dolphin/si.h b/include/Dolphin/si.h
index 003db2b06..42b1f98d3 100644
--- a/include/Dolphin/si.h
+++ b/include/Dolphin/si.h
@@ -24,14 +24,13 @@ typedef struct SIPacket {
 	OSTime fire;         // _18
 } SIPacket;
 
-
 // Struct for 'Si' object in SIBios.c (size 0x14).
 typedef struct SIControl {
-    int chan; // _00
-    u32 poll; // _04
-    u32 inputBytes; // _08
-    void* input;    // _0C
-    SICallback callback; // _10
+	int chan;            // _00
+	u32 poll;            // _04
+	u32 inputBytes;      // _08
+	void* input;         // _0C
+	SICallback callback; // _10
 } SIControl;
 
 ////////////////////////////////////////////
diff --git a/src/Dolphin/gx/GXDisplayList.c b/src/Dolphin/gx/GXDisplayList.c
index 03df89b91..78d2b0617 100644
--- a/src/Dolphin/gx/GXDisplayList.c
+++ b/src/Dolphin/gx/GXDisplayList.c
@@ -1,5 +1,4 @@
 #include "Dolphin/gx.h"
-#include "Dolphin/os.h"
 
 /*
  * --INFO--
@@ -34,7 +33,7 @@ void GXCallDisplayList(void* dl, u32 byteCnt)
 	if (__GXData->_000[0] == 0) {
 		__GXSendFlushPrim();
 	}
-	HW_REG(0xCC008000, u8)    = 0x40;
-	HW_REG(0xCC008000, void*) = dl;
-	HW_REG(0xCC008000, u32)   = byteCnt;
+	GXWGFifo.u8  = 0x40;
+	GXWGFifo.u32 = dl;
+	GXWGFifo.u32 = byteCnt;
 }
diff --git a/src/Dolphin/gx/GXFifo.c b/src/Dolphin/gx/GXFifo.c
index 0842225cd..72954bd87 100644
--- a/src/Dolphin/gx/GXFifo.c
+++ b/src/Dolphin/gx/GXFifo.c
@@ -58,7 +58,7 @@ void GXBreakPointHandler(OSContext* context)
 	// if (IS_FLAG_SET(data->controlRegister, 5) && IS_FLAG_SET(data->_00C, 4)) {
 	// if ((data->controlRegister & BP_ENABLE) && IS_FLAG_SET(data->_00C, 4)) {
 	__GXData->controlRegister.bits.bpEnable = FALSE;
-	// __cpReg->controlRegister = HW_REG(&__GXData->controlRegister, u16);
+	// __cpReg->controlRegister = GXWGFifo.u16(&__GXData->controlRegister);
 	__cpReg->controlRegister = __GXData->controlRegister.value;
 	// __GXData->controlRegister &= ~BP_ENABLE;
 	// __cpReg->controlRegister = __GXData->controlRegister;
@@ -671,7 +671,7 @@ void __GXFifoInit(void)
 void __GXFifoReadEnable(void)
 {
 	// __GXData->controlRegister.gpFifoReadEnable = TRUE;
-	// __cpReg->controlRegister = HW_REG(&__GXData->controlRegister, u16);
+	// __cpReg->controlRegister = GXWGFifo.u16(&__GXData->controlRegister);
 	// __GXData->controlRegister |= GP_FIFO_READ_ENABLE;
 	// __GXData->controlRegister = __GXData->controlRegister & ~GP_FIFO_READ_ENABLE | GP_FIFO_READ_ENABLE;
 	// __cpReg->controlRegister = __GXData->controlRegister;
diff --git a/src/Dolphin/si/SIBios.c b/src/Dolphin/si/SIBios.c
index 5100b8d57..e90a422c9 100644
--- a/src/Dolphin/si/SIBios.c
+++ b/src/Dolphin/si/SIBios.c
@@ -1,16 +1,16 @@
 #include "Dolphin/si.h"
 
-char *__SIVersion = "<< Dolphin SDK - SI\trelease build: Apr 17 2003 12:33:19 (0x2301) >>";
+char* __SIVersion = "<< Dolphin SDK - SI\trelease build: Apr 17 2003 12:33:19 (0x2301) >>";
 
 static SIControl Si = { -1, 0, 0, nullptr, nullptr };
 
 static SIPacket Packet[SI_MAX_CHAN];
 static OSAlarm Alarm[SI_MAX_CHAN];
 static u32 Type[SI_MAX_CHAN] = {
-    SI_ERROR_NO_RESPONSE,
-    SI_ERROR_NO_RESPONSE,
-    SI_ERROR_NO_RESPONSE,
-    SI_ERROR_NO_RESPONSE,
+	SI_ERROR_NO_RESPONSE,
+	SI_ERROR_NO_RESPONSE,
+	SI_ERROR_NO_RESPONSE,
+	SI_ERROR_NO_RESPONSE,
 };
 
 static OSTime TypeTime[SI_MAX_CHAN];
@@ -30,10 +30,7 @@ u32 __PADFixBits;
  * Address:	800F4EFC
  * Size:	000020
  */
-BOOL SIBusy()
-{
-	return Si.chan != -1 ? TRUE : FALSE;
-}
+BOOL SIBusy() { return Si.chan != -1 ? TRUE : FALSE; }
 
 /*
  * --INFO--