diff --git a/include/dolphin/gx/GXPriv.h b/include/dolphin/gx/GXPriv.h
index ea3d2318..6df69ed5 100644
--- a/include/dolphin/gx/GXPriv.h
+++ b/include/dolphin/gx/GXPriv.h
@@ -291,6 +291,9 @@ void __GXInitGX();
   }
 #endif
 
+#define GX_BITFIELD(field, pos, size, value)       (__rlwimi((field), (value), 31 - (pos) - (size) + 1, (pos), (pos) + (size) - 1))
+#define GX_BITFIELD_SET(field, pos, size, value)   ((field) = GX_BITFIELD(field, pos, size, value))
+
 #define CP_STREAM_REG_INDEX_SIZE 4
 #define CP_STREAM_REG_INDEX_SHIFT 0
 #define CP_STREAM_REG_INDEX_MASK 0x0000000f
diff --git a/src/Dolphin/gx/GXPixel.c b/src/Dolphin/gx/GXPixel.c
new file mode 100644
index 00000000..75afd983
--- /dev/null
+++ b/src/Dolphin/gx/GXPixel.c
@@ -0,0 +1,51 @@
+#include "dolphin/gx.h"
+#include "dolphin/gx/GXPriv.h"
+
+void GXSetFog(GXFogType type, f32 startz, f32 endz, f32 nearz, f32 farz, GXColor color);
+void GXSetFogColor(GXColor color);
+// ? GXSetFogRangeAdj();
+void GXSetBlendMode(GXBlendMode type, GXBlendFactor src_factor, GXBlendFactor dst_factor,
+                    GXLogicOp op);
+void GXSetColorUpdate(GXBool update_enable) {
+  GXData* gxdata = gx;
+  u32 r6 = gxdata->cmode0; 
+
+  GX_BITFIELD_SET(r6, 28, 1, update_enable);
+  GX_WRITE_RA_REG(r6);
+
+  gxdata->cmode0 = r6;
+  gxdata->bpSentNot = GX_FALSE;
+};
+void GXSetAlphaUpdate(GXBool update_enable) {
+  GXData* gxdata = gx;
+  u32 r6 = gxdata->cmode0;
+
+  GX_BITFIELD_SET(r6, 27, 1, update_enable);
+  GX_WRITE_RA_REG(r6);
+
+  gxdata->cmode0 = r6;
+  gxdata->bpSentNot = GX_FALSE;
+};
+void GXSetZMode(GXBool compare_enable, GXCompare func, GXBool update_enable);
+void GXSetZCompLoc(GXBool before_tex) {
+  GXData* gxdata = gx;
+  gxdata->peCtrl = gxdata->peCtrl & 0xffffffbf | (u32)before_tex << 6;
+
+  GX_WRITE_RA_REG(gxdata->peCtrl);
+
+  gxdata->bpSentNot = GX_FALSE;
+};
+void GXSetPixelFmt(GXPixelFmt pix_fmt, GXZFmt16 z_fmt);
+void GXSetDither(GXBool dither) {
+  GXData* gxdata = gx;
+  u32 r6 = gxdata->cmode0; 
+
+  r6 = r6 & 0xfffffffb | (u32)dither << 2;
+  GX_WRITE_RA_REG(r6);
+
+  gxdata->cmode0 = r6;
+  gxdata->bpSentNot = GX_FALSE;
+};
+void GXSetDstAlpha(GXBool enable, u8 alpha);
+// ? GXSetFieldMask();
+void GXSetFieldMode(u8 field_mode, u8 half_aspect_ratio);