diff --git a/config/GMPE01_00/splits.txt b/config/GMPE01_00/splits.txt
index e1122005..8129c895 100644
--- a/config/GMPE01_00/splits.txt
+++ b/config/GMPE01_00/splits.txt
@@ -460,6 +460,93 @@ game/board/item.c:
 	.sbss       start:0x801D40F8 end:0x801D4138
 	.sdata2     start:0x801D5AF8 end:0x801D5D30
 
+game/board/bowser.c:
+	.text       start:0x800975AC end:0x8009B4D4
+	.rodata     start:0x8011E238 end:0x8011E300
+	.data       start:0x8013AA10 end:0x8013AA60
+	.bss        start:0x801A4BE8 end:0x801A4C30
+	.sdata      start:0x801D37B0 end:0x801D37C8
+	.sbss       start:0x801D4138 end:0x801D4178
+	.sdata2     start:0x801D5D30 end:0x801D5DE0
+
+game/board/battle.c:
+	.text       start:0x8009B4D4 end:0x8009D148
+	.rodata     start:0x8011E300 end:0x8011E380
+	.data       start:0x8013AA60 end:0x8013AB10
+	.bss        start:0x801A4C30 end:0x801A4C40
+	.sdata      start:0x801D37C8 end:0x801D37D0
+	.sbss       start:0x801D4178 end:0x801D41A0
+	.sdata2     start:0x801D5DE0 end:0x801D5E88
+
+game/board/fortune_space.c:
+	.text       start:0x8009D148 end:0x8009DFD0
+	.rodata     start:0x8011E380 end:0x8011E3A8
+	.data       start:0x8013AB10 end:0x8013AB28
+	.bss        start:0x801A4C40 end:0x801A4C58
+	.sdata      start:0x801D37D0 end:0x801D37D8
+	.sbss       start:0x801D41A0 end:0x801D41B0
+	.sdata2     start:0x801D5E88 end:0x801D5E98
+
+game/board/boo.c:
+	.text       start:0x8009DFD0 end:0x800A1A34
+	.data       start:0x8013AB28 end:0x8013AD00
+	.sdata      start:0x801D37D8 end:0x801D37E8
+	.sbss       start:0x801D41B0 end:0x801D41E8
+	.sdata2     start:0x801D5E98 end:0x801D5FA0
+
+game/board/mg_setup.c:
+	.text       start:0x800A1A34 end:0x800A4F6C
+	.rodata     start:0x8011E3A8 end:0x8011E3D0
+	.data       start:0x8013AD00 end:0x8013AE38
+	.bss        start:0x801A4C58 end:0x801A4CC8
+	.sdata      start:0x801D37E8 end:0x801D37F0
+	.sbss       start:0x801D41E8 end:0x801D4218
+	.sdata2     start:0x801D5FA0 end:0x801D6080
+
+game/board/boo_house.c:
+	.text       start:0x800A4F6C end:0x800A6EE4
+	.data       start:0x8013AE38 end:0x8013AF70
+	.bss        start:0x801A4CC8 end:0x801A4CD8
+	.sdata      start:0x801D37F0 end:0x801D3840
+	.sbss       start:0x801D4218 end:0x801D4230
+	.sdata2     start:0x801D6080 end:0x801D60C8
+
+game/board/start.c:
+	.text       start:0x800A6EE4 end:0x800A9708
+	.rodata     start:0x8011E3D0 end:0x8011E3F0
+	.data       start:0x8013AF70 end:0x8013B1F8
+	.bss        start:0x801A4CD8 end:0x801A4CF0
+	.sdata      start:0x801D3840 end:0x801D3850
+	.sbss       start:0x801D4230 end:0x801D4240
+	.sdata2     start:0x801D60C8 end:0x801D6198
+
+game/board/last5.c:
+	.text       start:0x800A9708 end:0x800ADB84
+	.rodata     start:0x8011E410 end:0x8011E430
+	.data       start:0x8013B1F8 end:0x8013B3F0
+	.bss        start:0x801A4CF0 end:0x801A4D38
+	.sdata      start:0x801D3850 end:0x801D38B8
+	.sbss       start:0x801D4240 end:0x801D4260
+	.sdata2     start:0x801D6198 end:0x801D6298
+
+game/board/pause.c:
+	.text       start:0x800ADB84 end:0x800B1974
+	.data       start:0x8013B3F0 end:0x8013B518
+	.bss        start:0x801A4D38 end:0x801A4D68
+	.sbss       start:0x801D4260 end:0x801D4280
+	.sdata2     start:0x801D6298 end:0x801D6350
+
+game/board/com_path.c:
+	.text       start:0x800B1974 end:0x800B3ED8
+	.bss        start:0x801A4D68 end:0x801A52E8
+	.sbss       start:0x801D4280 end:0x801D4288
+
+game/board/tutorial.c:
+	.text       start:0x800B3ED8 end:0x800B42F4
+	.data       start:0x8013B518 end:0x8013B560
+	.bss        start:0x801A52E8 end:0x801A5300
+	.sbss       start:0x801D4288 end:0x801D42B0
+
 dolphin/PPCArch.c:
 	.text       start:0x800B42F4 end:0x800B439C
 
diff --git a/configure.py b/configure.py
index 210cdc43..e7ba6984 100755
--- a/configure.py
+++ b/configure.py
@@ -298,6 +298,17 @@ config.libs = [
             Object(NonMatching, "game/board/ui.c"),
             Object(NonMatching, "game/board/hidden_block.c"),
             Object(NonMatching, "game/board/item.c"),
+            Object(NonMatching, "game/board/bowser.c"),
+            Object(NonMatching, "game/board/battle.c"),
+            Object(NonMatching, "game/board/fortune_space.c"),
+            Object(NonMatching, "game/board/boo.c"),
+            Object(NonMatching, "game/board/mg_setup.c"),
+            Object(NonMatching, "game/board/boo_house.c"),
+            Object(NonMatching, "game/board/start.c"),
+            Object(NonMatching, "game/board/last5.c"),
+            Object(NonMatching, "game/board/pause.c"),
+            Object(NonMatching, "game/board/com_path.c"),
+            Object(NonMatching, "game/board/tutorial.c"),
         ],
     },
     DolphinLib(
diff --git a/include/functions.h b/include/functions.h
index 8a43084f..a906f8c5 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -78,7 +78,6 @@ void fn_800B4264(s32, s32, s32);
 void fn_8007500C(s32);
 void fn_8006F0D4(s32, f32);
 f32 fn_8006F128(s32);
-f64 fmod(f32, f64);
 void fn_8006F61C(s16, s32);
 void fn_800B42BC(s16);
 s32 fn_8006DBD4(s16);
diff --git a/include/math.h b/include/math.h
new file mode 100644
index 00000000..95c77704
--- /dev/null
+++ b/include/math.h
@@ -0,0 +1,43 @@
+#ifndef _MATH_H
+#define _MATH_H
+
+extern inline float sqrtf(float x)
+{
+	static const double _half=.5;
+	static const double _three=3.0;
+	volatile float y;
+	if(x > 0.0f)
+	{
+		double guess = __frsqrte((double)x);   // returns an approximation to
+		guess = _half*guess*(_three - guess*guess*x);  // now have 12 sig bits
+		guess = _half*guess*(_three - guess*guess*x);  // now have 24 sig bits
+		guess = _half*guess*(_three - guess*guess*x);  // now have 32 sig bits
+		y=(float)(x*guess);
+		return y;
+	}
+	return x;
+}
+
+double atan(double x);
+double copysign(double x, double y);
+double cos(double x);
+double floor(double x);
+double frexp(double x, int *exp);
+double ldexp(double x, int exp);
+double modf(double x, double *intpart);
+double sin(double x);
+double tan(double x);
+double acos(double x);
+double asin(double x);
+double atan2(double y, double x);
+double fmod(double x, double y);
+double log(double x);
+float tanf(float x);
+float sinf(float x);
+float cosf(float x);
+float atan2f(float y, float x);
+float acosf(float x);
+
+#define abs(x) __abs(x)
+
+#endif
\ No newline at end of file
diff --git a/src/REL/subchrselDll/subchrselDll.c b/src/REL/subchrselDll/subchrselDll.c
index 92b5264c..aa5c4c37 100644
--- a/src/REL/subchrselDll/subchrselDll.c
+++ b/src/REL/subchrselDll/subchrselDll.c
@@ -3,9 +3,7 @@
 #include "game/printfunc.h"
 #include "dolphin/pad.h"
 
-//HACK: Force 0.5 and 3.0 double constants to appear in REL
-const double _half = 0.5;
-const double _three = 3.0;
+#include "math.h"
 
 static void SubchrMain(void);
 
diff --git a/src/REL/w10Dll/w10Dll.c b/src/REL/w10Dll/w10Dll.c
index 2ffda651..b3ea6a1f 100644
--- a/src/REL/w10Dll/w10Dll.c
+++ b/src/REL/w10Dll/w10Dll.c
@@ -1,6 +1,8 @@
 #include "include/REL/w10Dll.h"
 #include "game/data.h"
 
+#include "math.h"
+
 //BSS
 s16 lbl_1_bss_22[11];
 s16 lbl_1_bss_20;
@@ -58,11 +60,6 @@ s32 lbl_1_data_6C[2] = {
     DATA_NUM_LISTEND
 };
 
-//RODATA
-//HACK: Force 0.5 and 3.0 double constants to appear in REL
-const double _half = 0.5;
-const double _three = 3.0;
-
 // function is probably global. only inlined in rels?
 inline s32 get_current_board(void) {
     return GWSystem.unk08 & 0x1F;