diff --git a/asm/J3DGraphAnimator/J3DSkinDeform.s b/asm/J3DGraphAnimator/J3DSkinDeform.s
index a5a550a018..b907fb929b 100644
--- a/asm/J3DGraphAnimator/J3DSkinDeform.s
+++ b/asm/J3DGraphAnimator/J3DSkinDeform.s
@@ -976,7 +976,7 @@ lbl_8032D470:
 /* 8032D478 0032A3B8  7C 94 02 14 */	add r4, r20, r0
 /* 8032D47C 0032A3BC  38 84 00 04 */	addi r4, r4, 4
 /* 8032D480 0032A3C0  7F 45 D3 78 */	mr r5, r26
-/* 8032D484 0032A3C4  4B CD 60 BD */	bl func_80003540
+/* 8032D484 0032A3C4  4B CD 60 BD */	bl memcpy
 /* 8032D488 0032A3C8  7E 73 CA 14 */	add r19, r19, r25
 /* 8032D48C 0032A3CC  3A 31 00 01 */	addi r17, r17, 1
 lbl_8032D490:
diff --git a/asm/J3DGraphBase/J3DMatBlock.s b/asm/J3DGraphBase/J3DMatBlock.s
index d57237b26d..6ed61c5890 100644
--- a/asm/J3DGraphBase/J3DMatBlock.s
+++ b/asm/J3DGraphBase/J3DMatBlock.s
@@ -9316,7 +9316,7 @@ lbl_803200FC:
 /* 80320144 0031D084  7C 64 1B 78 */	mr r4, r3
 /* 80320148 0031D088  7C 7B F0 2E */	lwzx r3, r27, r30
 /* 8032014C 0031D08C  38 A0 00 94 */	li r5, 0x94
-/* 80320150 0031D090  4B CE 33 F1 */	bl func_80003540
+/* 80320150 0031D090  4B CE 33 F1 */	bl memcpy
 /* 80320154 0031D094  7C 7B F0 2E */	lwzx r3, r27, r30
 /* 80320158 0031D098  38 80 00 94 */	li r4, 0x94
 /* 8032015C 0031D09C  48 01 B4 81 */	bl DCStoreRange
@@ -9391,7 +9391,7 @@ lbl_80320218:
 /* 80320260 0031D1A0  7C 64 1B 78 */	mr r4, r3
 /* 80320264 0031D1A4  7C 7B F0 2E */	lwzx r3, r27, r30
 /* 80320268 0031D1A8  38 A0 00 94 */	li r5, 0x94
-/* 8032026C 0031D1AC  4B CE 32 D5 */	bl func_80003540
+/* 8032026C 0031D1AC  4B CE 32 D5 */	bl memcpy
 /* 80320270 0031D1B0  7C 7B F0 2E */	lwzx r3, r27, r30
 /* 80320274 0031D1B4  38 80 00 94 */	li r4, 0x94
 /* 80320278 0031D1B8  48 01 B3 65 */	bl DCStoreRange
@@ -9474,7 +9474,7 @@ lbl_80320354:
 /* 8032039C 0031D2DC  7C 64 1B 78 */	mr r4, r3
 /* 803203A0 0031D2E0  7C 7B F0 2E */	lwzx r3, r27, r30
 /* 803203A4 0031D2E4  38 A0 00 94 */	li r5, 0x94
-/* 803203A8 0031D2E8  4B CE 31 99 */	bl func_80003540
+/* 803203A8 0031D2E8  4B CE 31 99 */	bl memcpy
 /* 803203AC 0031D2EC  7C 7B F0 2E */	lwzx r3, r27, r30
 /* 803203B0 0031D2F0  38 80 00 94 */	li r4, 0x94
 /* 803203B4 0031D2F4  48 01 B2 29 */	bl DCStoreRange
diff --git a/asm/J3DGraphBase/J3DPacket.s b/asm/J3DGraphBase/J3DPacket.s
index 64a6791ffb..00451b4c72 100644
--- a/asm/J3DGraphBase/J3DPacket.s
+++ b/asm/J3DGraphBase/J3DPacket.s
@@ -93,7 +93,7 @@ J3DDisplayListObj_NS_single_To_Double:
 lbl_803125B4:
 /* 803125B4 0030F4F4  80 9F 00 00 */	lwz r4, 0(r31)
 /* 803125B8 0030F4F8  80 BF 00 0C */	lwz r5, 0xc(r31)
-/* 803125BC 0030F4FC  4B CF 0F 85 */	bl func_80003540
+/* 803125BC 0030F4FC  4B CF 0F 85 */	bl memcpy
 /* 803125C0 0030F500  80 7F 00 04 */	lwz r3, 4(r31)
 /* 803125C4 0030F504  80 9F 00 0C */	lwz r4, 0xc(r31)
 /* 803125C8 0030F508  48 02 90 15 */	bl DCStoreRange
diff --git a/asm/J3DGraphBase/J3DShapeDraw.s b/asm/J3DGraphBase/J3DShapeDraw.s
index a9e1e92e05..06dfe6a954 100644
--- a/asm/J3DGraphBase/J3DShapeDraw.s
+++ b/asm/J3DGraphBase/J3DShapeDraw.s
@@ -76,7 +76,7 @@ lbl_80314A00:
 /* 80314A0C 0031194C  7F A3 EB 78 */	mr r3, r29
 /* 80314A10 00311950  7E 64 9B 78 */	mr r4, r19
 /* 80314A14 00311954  7F 65 DB 78 */	mr r5, r27
-/* 80314A18 00311958  4B CE EB 29 */	bl func_80003540
+/* 80314A18 00311958  4B CE EB 29 */	bl memcpy
 /* 80314A1C 0031195C  7F BD DA 14 */	add r29, r29, r27
 /* 80314A20 00311960  7C 1C 92 14 */	add r0, r28, r18
 /* 80314A24 00311964  98 1D 00 00 */	stb r0, 0(r29)
@@ -84,7 +84,7 @@ lbl_80314A00:
 /* 80314A2C 0031196C  7F A3 EB 78 */	mr r3, r29
 /* 80314A30 00311970  7C 93 DA 14 */	add r4, r19, r27
 /* 80314A34 00311974  7F 05 C3 78 */	mr r5, r24
-/* 80314A38 00311978  4B CE EB 09 */	bl func_80003540
+/* 80314A38 00311978  4B CE EB 09 */	bl memcpy
 /* 80314A3C 0031197C  7F BD C2 14 */	add r29, r29, r24
 /* 80314A40 00311980  3A 94 00 01 */	addi r20, r20, 1
 lbl_80314A44:
diff --git a/asm/J3DGraphBase/J3DVertex.s b/asm/J3DGraphBase/J3DVertex.s
index 4d161a94eb..f34e3cad48 100644
--- a/asm/J3DGraphBase/J3DVertex.s
+++ b/asm/J3DGraphBase/J3DVertex.s
@@ -153,7 +153,7 @@ lbl_803110E8:
 /* 803110EC 0030E02C  80 04 00 00 */	lwz r0, 0(r4)
 /* 803110F0 0030E030  80 84 00 18 */	lwz r4, 0x18(r4)
 /* 803110F4 0030E034  1C A0 00 0C */	mulli r5, r0, 0xc
-/* 803110F8 0030E038  4B CF 24 49 */	bl func_80003540
+/* 803110F8 0030E038  4B CF 24 49 */	bl memcpy
 /* 803110FC 0030E03C  80 7F 00 00 */	lwz r3, 0(r31)
 /* 80311100 0030E040  80 03 00 00 */	lwz r0, 0(r3)
 /* 80311104 0030E044  7C 7F E8 2E */	lwzx r3, r31, r29
@@ -188,7 +188,7 @@ lbl_80311168:
 /* 80311170 0030E0B0  80 83 00 18 */	lwz r4, 0x18(r3)
 /* 80311174 0030E0B4  80 7F 00 08 */	lwz r3, 8(r31)
 /* 80311178 0030E0B8  1C A0 00 0C */	mulli r5, r0, 0xc
-/* 8031117C 0030E0BC  4B CF 23 C5 */	bl func_80003540
+/* 8031117C 0030E0BC  4B CF 23 C5 */	bl memcpy
 /* 80311180 0030E0C0  80 7F 00 00 */	lwz r3, 0(r31)
 /* 80311184 0030E0C4  80 03 00 00 */	lwz r0, 0(r3)
 /* 80311188 0030E0C8  80 7F 00 08 */	lwz r3, 8(r31)
@@ -234,7 +234,7 @@ lbl_80311208:
 /* 8031120C 0030E14C  80 04 00 04 */	lwz r0, 4(r4)
 /* 80311210 0030E150  80 84 00 1C */	lwz r4, 0x1c(r4)
 /* 80311214 0030E154  1C A0 00 0C */	mulli r5, r0, 0xc
-/* 80311218 0030E158  4B CF 23 29 */	bl func_80003540
+/* 80311218 0030E158  4B CF 23 29 */	bl memcpy
 /* 8031121C 0030E15C  80 7F 00 00 */	lwz r3, 0(r31)
 /* 80311220 0030E160  80 03 00 04 */	lwz r0, 4(r3)
 /* 80311224 0030E164  7C 7F E8 2E */	lwzx r3, r31, r29
@@ -269,7 +269,7 @@ lbl_80311288:
 /* 80311290 0030E1D0  80 83 00 1C */	lwz r4, 0x1c(r3)
 /* 80311294 0030E1D4  80 7F 00 10 */	lwz r3, 0x10(r31)
 /* 80311298 0030E1D8  1C A0 00 0C */	mulli r5, r0, 0xc
-/* 8031129C 0030E1DC  4B CF 22 A5 */	bl func_80003540
+/* 8031129C 0030E1DC  4B CF 22 A5 */	bl memcpy
 /* 803112A0 0030E1E0  80 7F 00 00 */	lwz r3, 0(r31)
 /* 803112A4 0030E1E4  80 03 00 04 */	lwz r0, 4(r3)
 /* 803112A8 0030E1E8  80 7F 00 10 */	lwz r3, 0x10(r31)
diff --git a/asm/J3DGraphLoader/J3DClusterLoader.s b/asm/J3DGraphLoader/J3DClusterLoader.s
index 9ee0be19ba..e11dadb6c6 100644
--- a/asm/J3DGraphLoader/J3DClusterLoader.s
+++ b/asm/J3DGraphLoader/J3DClusterLoader.s
@@ -237,7 +237,7 @@ lbl_803343F0:
 /* 80334450 00331390  7C 64 1B 78 */	mr r4, r3
 /* 80334454 00331394  7F C3 F3 78 */	mr r3, r30
 /* 80334458 00331398  7F E5 FB 78 */	mr r5, r31
-/* 8033445C 0033139C  4B CC F0 E5 */	bl func_80003540
+/* 8033445C 0033139C  4B CC F0 E5 */	bl memcpy
 /* 80334460 003313A0  80 7B 00 04 */	lwz r3, 4(r27)
 /* 80334464 003313A4  93 C3 00 08 */	stw r30, 8(r3)
 /* 80334468 003313A8  7C 1E CA 14 */	add r0, r30, r25
diff --git a/asm/JAudio2/JAUSectionHeap.s b/asm/JAudio2/JAUSectionHeap.s
index 2aa1821810..646d80973d 100644
--- a/asm/JAudio2/JAUSectionHeap.s
+++ b/asm/JAudio2/JAUSectionHeap.s
@@ -586,7 +586,7 @@ JAUSection_NS_newStaticSeqData:
 /* 802A56FC 002A263C  41 82 00 18 */	beq lbl_802A5714
 /* 802A5700 002A2640  7F C4 F3 78 */	mr r4, r30
 /* 802A5704 002A2644  7F E5 FB 78 */	mr r5, r31
-/* 802A5708 002A2648  4B D5 DE 39 */	bl func_80003540
+/* 802A5708 002A2648  4B D5 DE 39 */	bl memcpy
 /* 802A570C 002A264C  38 60 00 01 */	li r3, 1
 /* 802A5710 002A2650  48 00 00 08 */	b lbl_802A5718
 lbl_802A5714:
@@ -672,7 +672,7 @@ JAUSection_NS_newCopy:
 /* 802A5828 002A2768  41 82 00 10 */	beq lbl_802A5838
 /* 802A582C 002A276C  7F A4 EB 78 */	mr r4, r29
 /* 802A5830 002A2770  7F C5 F3 78 */	mr r5, r30
-/* 802A5834 002A2774  4B D5 DD 0D */	bl func_80003540
+/* 802A5834 002A2774  4B D5 DD 0D */	bl memcpy
 lbl_802A5838:
 /* 802A5838 002A2778  7F E3 FB 78 */	mr r3, r31
 /* 802A583C 002A277C  39 61 00 20 */	addi r11, r1, 0x20
diff --git a/asm/JSupport/JSUMemoryStream.s b/asm/JSupport/JSUMemoryStream.s
index 40459a4b21..a62fd30e7f 100644
--- a/asm/JSupport/JSUMemoryStream.s
+++ b/asm/JSupport/JSUMemoryStream.s
@@ -30,7 +30,7 @@ lbl_802DC568:
 /* 802DC574 002D94B4  80 1E 00 08 */	lwz r0, 8(r30)
 /* 802DC578 002D94B8  7C 80 2A 14 */	add r4, r0, r5
 /* 802DC57C 002D94BC  7F E5 FB 78 */	mr r5, r31
-/* 802DC580 002D94C0  4B D2 6F C1 */	bl func_80003540
+/* 802DC580 002D94C0  4B D2 6F C1 */	bl memcpy
 /* 802DC584 002D94C4  80 1E 00 10 */	lwz r0, 0x10(r30)
 /* 802DC588 002D94C8  7C 00 FA 14 */	add r0, r0, r31
 /* 802DC58C 002D94CC  90 1E 00 10 */	stw r0, 0x10(r30)
diff --git a/asm/JUtility/JUTCacheFont.s b/asm/JUtility/JUTCacheFont.s
index 38b1723fd2..4166326ba6 100644
--- a/asm/JUtility/JUTCacheFont.s
+++ b/asm/JUtility/JUTCacheFont.s
@@ -591,7 +591,7 @@ lbl_802DD994:
 /* 802DD994 002DA8D4  80 78 00 4C */	lwz r3, 0x4c(r24)
 /* 802DD998 002DA8D8  7F 44 D3 78 */	mr r4, r26
 /* 802DD99C 002DA8DC  38 A0 00 20 */	li r5, 0x20
-/* 802DD9A0 002DA8E0  4B D2 5B A1 */	bl func_80003540
+/* 802DD9A0 002DA8E0  4B D2 5B A1 */	bl memcpy
 /* 802DD9A4 002DA8E4  80 78 00 4C */	lwz r3, 0x4c(r24)
 /* 802DD9A8 002DA8E8  A0 03 00 08 */	lhz r0, 8(r3)
 /* 802DD9AC 002DA8EC  54 04 10 3A */	slwi r4, r0, 2
@@ -604,7 +604,7 @@ lbl_802DD9C4:
 /* 802DD9C4 002DA904  7F C3 F3 78 */	mr r3, r30
 /* 802DD9C8 002DA908  7F 44 D3 78 */	mr r4, r26
 /* 802DD9CC 002DA90C  80 BA 00 04 */	lwz r5, 4(r26)
-/* 802DD9D0 002DA910  4B D2 5B 71 */	bl func_80003540
+/* 802DD9D0 002DA910  4B D2 5B 71 */	bl memcpy
 /* 802DD9D4 002DA914  80 78 00 54 */	lwz r3, 0x54(r24)
 /* 802DD9D8 002DA918  7F C3 B9 2E */	stwx r30, r3, r23
 /* 802DD9DC 002DA91C  80 1A 00 04 */	lwz r0, 4(r26)
@@ -615,7 +615,7 @@ lbl_802DD9EC:
 /* 802DD9EC 002DA92C  7F A3 EB 78 */	mr r3, r29
 /* 802DD9F0 002DA930  7F 44 D3 78 */	mr r4, r26
 /* 802DD9F4 002DA934  38 A0 00 20 */	li r5, 0x20
-/* 802DD9F8 002DA938  4B D2 5B 49 */	bl func_80003540
+/* 802DD9F8 002DA938  4B D2 5B 49 */	bl memcpy
 /* 802DD9FC 002DA93C  38 7A 00 20 */	addi r3, r26, 0x20
 /* 802DDA00 002DA940  7F 64 DB 78 */	mr r4, r27
 /* 802DDA04 002DA944  80 BA 00 04 */	lwz r5, 4(r26)
@@ -656,7 +656,7 @@ lbl_802DDA84:
 /* 802DDA84 002DA9C4  7F 83 E3 78 */	mr r3, r28
 /* 802DDA88 002DA9C8  7F 44 D3 78 */	mr r4, r26
 /* 802DDA8C 002DA9CC  80 BA 00 04 */	lwz r5, 4(r26)
-/* 802DDA90 002DA9D0  4B D2 5A B1 */	bl func_80003540
+/* 802DDA90 002DA9D0  4B D2 5A B1 */	bl memcpy
 /* 802DDA94 002DA9D4  80 78 00 5C */	lwz r3, 0x5c(r24)
 /* 802DDA98 002DA9D8  7F 83 A9 2E */	stwx r28, r3, r21
 /* 802DDA9C 002DA9DC  A0 18 00 68 */	lhz r0, 0x68(r24)
@@ -759,7 +759,7 @@ JUTCacheFont_NS_getGlyphFromAram:
 /* 802DDBE0 002DAB20  7C FE 3B 78 */	mr r30, r7
 /* 802DDBE4 002DAB24  7F E3 FB 78 */	mr r3, r31
 /* 802DDBE8 002DAB28  38 A0 00 20 */	li r5, 0x20
-/* 802DDBEC 002DAB2C  4B D2 59 55 */	bl func_80003540
+/* 802DDBEC 002DAB2C  4B D2 59 55 */	bl memcpy
 /* 802DDBF0 002DAB30  7F 63 DB 78 */	mr r3, r27
 /* 802DDBF4 002DAB34  7F E4 FB 78 */	mr r4, r31
 /* 802DDBF8 002DAB38  48 00 03 B5 */	bl JUTCacheFont_NS_prepend
diff --git a/asm/JUtility/JUTException.s b/asm/JUtility/JUTException.s
index ca2a02368e..baa570dc8f 100644
--- a/asm/JUtility/JUTException.s
+++ b/asm/JUtility/JUTException.s
@@ -271,7 +271,7 @@ lbl_802E2108:
 /* 802E2110 002DF050  3C 60 80 43 */	lis r3, lbl_804345A8@ha
 /* 802E2114 002DF054  38 63 45 A8 */	addi r3, r3, lbl_804345A8@l
 /* 802E2118 002DF058  38 A0 02 C8 */	li r5, 0x2c8
-/* 802E211C 002DF05C  4B D2 14 25 */	bl func_80003540
+/* 802E211C 002DF05C  4B D2 14 25 */	bl memcpy
 /* 802E2120 002DF060  48 05 9E D9 */	bl OSGetStackPointer
 /* 802E2124 002DF064  80 8D 8F 88 */	lwz r4, lbl_80451508-_SDA_BASE_(r13)
 /* 802E2128 002DF068  90 64 00 A0 */	stw r3, 0xa0(r4)
diff --git a/asm/JUtility/JUTResource.s b/asm/JUtility/JUTResource.s
index 77b0f1c4c4..8edb679ec9 100644
--- a/asm/JUtility/JUTResource.s
+++ b/asm/JUtility/JUTResource.s
@@ -69,7 +69,7 @@ JUTResReference_NS_getResource_X1_:
 /* 802DE158 002DB098  41 82 00 10 */	beq lbl_802DE168
 /* 802DE15C 002DB09C  38 7D 00 02 */	addi r3, r29, 2
 /* 802DE160 002DB0A0  38 84 00 02 */	addi r4, r4, 2
-/* 802DE164 002DB0A4  4B D2 53 DD */	bl func_80003540
+/* 802DE164 002DB0A4  4B D2 53 DD */	bl memcpy
 lbl_802DE168:
 /* 802DE168 002DB0A8  88 1D 00 00 */	lbz r0, 0(r29)
 /* 802DE16C 002DB0AC  28 00 00 02 */	cmplwi r0, 2
diff --git a/asm/SComponent/c/c_lib.s b/asm/SComponent/c/c_lib.s
index 06c5db6240..19ecb6a9cc 100644
--- a/asm/SComponent/c/c_lib.s
+++ b/asm/SComponent/c/c_lib.s
@@ -8,7 +8,7 @@ cLib_memCpy:
 /* 8026F93C 0026C87C  94 21 FF F0 */	stwu r1, -0x10(r1)
 /* 8026F940 0026C880  7C 08 02 A6 */	mflr r0
 /* 8026F944 0026C884  90 01 00 14 */	stw r0, 0x14(r1)
-/* 8026F948 0026C888  4B D9 3B F9 */	bl func_80003540
+/* 8026F948 0026C888  4B D9 3B F9 */	bl memcpy
 /* 8026F94C 0026C88C  80 01 00 14 */	lwz r0, 0x14(r1)
 /* 8026F950 0026C890  7C 08 03 A6 */	mtlr r0
 /* 8026F954 0026C894  38 21 00 10 */	addi r1, r1, 0x10
diff --git a/asm/card/CARDBlock.s b/asm/card/CARDBlock.s
index 27a3f229e8..58aac9082a 100644
--- a/asm/card/CARDBlock.s
+++ b/asm/card/CARDBlock.s
@@ -32,14 +32,14 @@ WriteCallback:
 /* 8035546C 003523AC  90 BF 00 88 */	stw r5, 0x88(r31)
 /* 80355470 003523B0  38 65 00 00 */	addi r3, r5, 0
 /* 80355474 003523B4  38 A0 20 00 */	li r5, 0x2000
-/* 80355478 003523B8  4B CA E0 C9 */	bl func_80003540
+/* 80355478 003523B8  4B CA E0 C9 */	bl memcpy
 /* 8035547C 003523BC  48 00 00 18 */	b lbl_80355494
 lbl_80355480:
 /* 80355480 003523C0  90 9F 00 88 */	stw r4, 0x88(r31)
 /* 80355484 003523C4  38 64 00 00 */	addi r3, r4, 0
 /* 80355488 003523C8  38 85 00 00 */	addi r4, r5, 0
 /* 8035548C 003523CC  38 A0 20 00 */	li r5, 0x2000
-/* 80355490 003523D0  4B CA E0 B1 */	bl func_80003540
+/* 80355490 003523D0  4B CA E0 B1 */	bl memcpy
 lbl_80355494:
 /* 80355494 003523D4  80 1F 00 D0 */	lwz r0, 0xd0(r31)
 /* 80355498 003523D8  28 00 00 00 */	cmplwi r0, 0
diff --git a/asm/card/CARDCheck.s b/asm/card/CARDCheck.s
index e0908c30e9..e98894fafe 100644
--- a/asm/card/CARDCheck.s
+++ b/asm/card/CARDCheck.s
@@ -461,7 +461,7 @@ lbl_80355FD8:
 /* 80355FF8 00352F38  38 A0 20 00 */	li r5, 0x2000
 /* 80355FFC 00352F3C  80 66 00 00 */	lwz r3, 0(r6)
 /* 80356000 00352F40  7C 84 00 2E */	lwzx r4, r4, r0
-/* 80356004 00352F44  4B CA D5 3D */	bl func_80003540
+/* 80356004 00352F44  4B CA D5 3D */	bl memcpy
 /* 80356008 00352F48  48 00 00 20 */	b lbl_80356028
 lbl_8035600C:
 /* 8035600C 00352F4C  80 01 00 1C */	lwz r0, 0x1c(r1)
@@ -645,7 +645,7 @@ lbl_8035625C:
 /* 8035627C 003531BC  38 A0 20 00 */	li r5, 0x2000
 /* 80356280 003531C0  80 66 00 00 */	lwz r3, 0(r6)
 /* 80356284 003531C4  7C 84 00 2E */	lwzx r4, r4, r0
-/* 80356288 003531C8  4B CA D2 B9 */	bl func_80003540
+/* 80356288 003531C8  4B CA D2 B9 */	bl memcpy
 /* 8035628C 003531CC  48 00 00 20 */	b lbl_803562AC
 lbl_80356290:
 /* 80356290 003531D0  80 01 00 10 */	lwz r0, 0x10(r1)
@@ -791,7 +791,7 @@ lbl_8035643C:
 /* 80356470 003533B0  54 00 10 3A */	slwi r0, r0, 2
 /* 80356474 003533B4  7C 64 18 2E */	lwzx r3, r4, r3
 /* 80356478 003533B8  7C 84 00 2E */	lwzx r4, r4, r0
-/* 8035647C 003533BC  4B CA D0 C5 */	bl func_80003540
+/* 8035647C 003533BC  4B CA D0 C5 */	bl memcpy
 /* 80356480 003533C0  3B A0 00 01 */	li r29, 1
 /* 80356484 003533C4  48 00 00 3C */	b lbl_803564C0
 lbl_80356488:
@@ -807,7 +807,7 @@ lbl_80356488:
 /* 803564AC 003533EC  54 00 10 3A */	slwi r0, r0, 2
 /* 803564B0 003533F0  7C 64 18 2E */	lwzx r3, r4, r3
 /* 803564B4 003533F4  7C 84 00 2E */	lwzx r4, r4, r0
-/* 803564B8 003533F8  4B CA D0 89 */	bl func_80003540
+/* 803564B8 003533F8  4B CA D0 89 */	bl memcpy
 /* 803564BC 003533FC  3B C0 00 01 */	li r30, 1
 lbl_803564C0:
 /* 803564C0 00353400  80 01 00 1C */	lwz r0, 0x1c(r1)
@@ -1057,7 +1057,7 @@ lbl_80356828:
 /* 8035683C 0035377C  54 C0 10 3A */	slwi r0, r6, 2
 /* 80356840 00353780  7C 64 18 2E */	lwzx r3, r4, r3
 /* 80356844 00353784  7C 84 00 2E */	lwzx r4, r4, r0
-/* 80356848 00353788  4B CA CC F9 */	bl func_80003540
+/* 80356848 00353788  4B CA CC F9 */	bl memcpy
 /* 8035684C 0035378C  2C 1D 00 00 */	cmpwi r29, 0
 /* 80356850 00353790  41 82 00 24 */	beq lbl_80356874
 /* 80356854 00353794  28 1A 00 00 */	cmplwi r26, 0
diff --git a/asm/card/CARDCreate.s b/asm/card/CARDCreate.s
index 6557a8cc57..b1de4a2ccb 100644
--- a/asm/card/CARDCreate.s
+++ b/asm/card/CARDCreate.s
@@ -27,12 +27,12 @@ CreateCallbackFat:
 /* 80358154 00355094  54 00 30 32 */	slwi r0, r0, 6
 /* 80358158 00355098  7F C3 02 14 */	add r30, r3, r0
 /* 8035815C 0035509C  38 7E 00 00 */	addi r3, r30, 0
-/* 80358160 003550A0  4B CA B3 E1 */	bl func_80003540
+/* 80358160 003550A0  4B CA B3 E1 */	bl memcpy
 /* 80358164 003550A4  80 9F 01 0C */	lwz r4, 0x10c(r31)
 /* 80358168 003550A8  38 7E 00 04 */	addi r3, r30, 4
 /* 8035816C 003550AC  38 A0 00 02 */	li r5, 2
 /* 80358170 003550B0  38 84 00 04 */	addi r4, r4, 4
-/* 80358174 003550B4  4B CA B3 CD */	bl func_80003540
+/* 80358174 003550B4  4B CA B3 CD */	bl memcpy
 /* 80358178 003550B8  38 00 00 04 */	li r0, 4
 /* 8035817C 003550BC  98 1E 00 34 */	stb r0, 0x34(r30)
 /* 80358180 003550C0  38 00 FF FF */	li r0, -1
diff --git a/asm/card/CARDDir.s b/asm/card/CARDDir.s
index d6fa268c7b..e072d35390 100644
--- a/asm/card/CARDDir.s
+++ b/asm/card/CARDDir.s
@@ -31,14 +31,14 @@ WriteCallback_X1_:
 /* 803557D0 00352710  90 1F 00 84 */	stw r0, 0x84(r31)
 /* 803557D4 00352714  7C 03 03 78 */	mr r3, r0
 /* 803557D8 00352718  38 A0 20 00 */	li r5, 0x2000
-/* 803557DC 0035271C  4B CA DD 65 */	bl func_80003540
+/* 803557DC 0035271C  4B CA DD 65 */	bl memcpy
 /* 803557E0 00352720  48 00 00 18 */	b lbl_803557F8
 lbl_803557E4:
 /* 803557E4 00352724  90 9F 00 84 */	stw r4, 0x84(r31)
 /* 803557E8 00352728  38 64 00 00 */	addi r3, r4, 0
 /* 803557EC 0035272C  7C 04 03 78 */	mr r4, r0
 /* 803557F0 00352730  38 A0 20 00 */	li r5, 0x2000
-/* 803557F4 00352734  4B CA DD 4D */	bl func_80003540
+/* 803557F4 00352734  4B CA DD 4D */	bl memcpy
 lbl_803557F8:
 /* 803557F8 00352738  80 1F 00 D0 */	lwz r0, 0xd0(r31)
 /* 803557FC 0035273C  28 00 00 00 */	cmplwi r0, 0
diff --git a/asm/card/CARDFormat.s b/asm/card/CARDFormat.s
index bfcfafc7b2..3b47722b2d 100644
--- a/asm/card/CARDFormat.s
+++ b/asm/card/CARDFormat.s
@@ -63,7 +63,7 @@ lbl_80357538:
 /* 80357548 00354488  80 9F 00 80 */	lwz r4, 0x80(r31)
 /* 8035754C 0035448C  80 7F 00 84 */	lwz r3, 0x84(r31)
 /* 80357550 00354490  38 84 40 00 */	addi r4, r4, 0x4000
-/* 80357554 00354494  4B CA BF ED */	bl func_80003540
+/* 80357554 00354494  4B CA BF ED */	bl memcpy
 /* 80357558 00354498  80 7F 00 80 */	lwz r3, 0x80(r31)
 /* 8035755C 0035449C  38 A0 20 00 */	li r5, 0x2000
 /* 80357560 003544A0  38 03 60 00 */	addi r0, r3, 0x6000
@@ -72,7 +72,7 @@ lbl_80357538:
 /* 8035756C 003544AC  80 7F 00 88 */	lwz r3, 0x88(r31)
 /* 80357570 003544B0  3C 84 00 01 */	addis r4, r4, 1
 /* 80357574 003544B4  38 84 80 00 */	addi r4, r4, -32768
-/* 80357578 003544B8  4B CA BF C9 */	bl func_80003540
+/* 80357578 003544B8  4B CA BF C9 */	bl memcpy
 lbl_8035757C:
 /* 8035757C 003544BC  83 BF 00 D0 */	lwz r29, 0xd0(r31)
 /* 80357580 003544C0  38 00 00 00 */	li r0, 0
diff --git a/asm/card/CARDStat.s b/asm/card/CARDStat.s
index 5d9919cf32..4cf2229e9f 100644
--- a/asm/card/CARDStat.s
+++ b/asm/card/CARDStat.s
@@ -191,11 +191,11 @@ lbl_80358ED0:
 /* 80358EF4 00355E34  38 9D 00 00 */	addi r4, r29, 0
 /* 80358EF8 00355E38  38 7F 00 28 */	addi r3, r31, 0x28
 /* 80358EFC 00355E3C  38 A0 00 04 */	li r5, 4
-/* 80358F00 00355E40  4B CA A6 41 */	bl func_80003540
+/* 80358F00 00355E40  4B CA A6 41 */	bl memcpy
 /* 80358F04 00355E44  38 7F 00 2C */	addi r3, r31, 0x2c
 /* 80358F08 00355E48  38 9D 00 04 */	addi r4, r29, 4
 /* 80358F0C 00355E4C  38 A0 00 02 */	li r5, 2
-/* 80358F10 00355E50  4B CA A6 31 */	bl func_80003540
+/* 80358F10 00355E50  4B CA A6 31 */	bl memcpy
 /* 80358F14 00355E54  80 A1 00 14 */	lwz r5, 0x14(r1)
 /* 80358F18 00355E58  7F E3 FB 78 */	mr r3, r31
 /* 80358F1C 00355E5C  A0 DD 00 38 */	lhz r6, 0x38(r29)
@@ -204,7 +204,7 @@ lbl_80358ED0:
 /* 80358F28 00355E68  38 A0 00 20 */	li r5, 0x20
 /* 80358F2C 00355E6C  7C 06 01 D6 */	mullw r0, r6, r0
 /* 80358F30 00355E70  90 1F 00 20 */	stw r0, 0x20(r31)
-/* 80358F34 00355E74  4B CA A6 0D */	bl func_80003540
+/* 80358F34 00355E74  4B CA A6 0D */	bl memcpy
 /* 80358F38 00355E78  80 1D 00 28 */	lwz r0, 0x28(r29)
 /* 80358F3C 00355E7C  38 7D 00 00 */	addi r3, r29, 0
 /* 80358F40 00355E80  38 9F 00 00 */	addi r4, r31, 0
diff --git a/asm/clib.s b/asm/clib.s
index f08a38163c..7291ef57d3 100644
--- a/asm/clib.s
+++ b/asm/clib.s
@@ -4520,7 +4520,7 @@ lbl_8036565C:
 /* 80365664 003625A4  41 82 00 3C */	beq lbl_803656A0
 /* 80365668 003625A8  80 7A 00 24 */	lwz r3, 0x24(r26)
 /* 8036566C 003625AC  7F C4 F3 78 */	mr r4, r30
-/* 80365670 003625B0  4B C9 DE D1 */	bl func_80003540
+/* 80365670 003625B0  4B C9 DE D1 */	bl memcpy
 /* 80365674 003625B4  80 61 00 08 */	lwz r3, 8(r1)
 /* 80365678 003625B8  80 1A 00 24 */	lwz r0, 0x24(r26)
 /* 8036567C 003625BC  7F DE 1A 14 */	add r30, r30, r3
@@ -5964,7 +5964,7 @@ lbl_80366998:
 /* 80366998 003638D8  80 1E 00 00 */	lwz r0, 0(r30)
 /* 8036699C 003638DC  7F E5 FB 78 */	mr r5, r31
 /* 803669A0 003638E0  7C 60 1A 14 */	add r3, r0, r3
-/* 803669A4 003638E4  4B C9 CB 9D */	bl func_80003540
+/* 803669A4 003638E4  4B C9 CB 9D */	bl memcpy
 /* 803669A8 003638E8  80 1E 00 08 */	lwz r0, 8(r30)
 /* 803669AC 003638EC  38 60 00 01 */	li r3, 1
 /* 803669B0 003638F0  7C 00 FA 14 */	add r0, r0, r31
@@ -19763,7 +19763,7 @@ lbl_803726DC:
 /* 803726FC 0036F63C  40 80 00 20 */	bge lbl_8037271C
 /* 80372700 0036F640  7F 83 E3 78 */	mr r3, r28
 /* 80372704 0036F644  7F E5 FB 78 */	mr r5, r31
-/* 80372708 0036F648  4B C9 0E 39 */	bl func_80003540
+/* 80372708 0036F648  4B C9 0E 39 */	bl memcpy
 /* 8037270C 0036F64C  80 1E 00 00 */	lwz r0, 0(r30)
 /* 80372710 0036F650  7C 00 FA 14 */	add r0, r0, r31
 /* 80372714 0036F654  90 1E 00 00 */	stw r0, 0(r30)
@@ -19771,11 +19771,11 @@ lbl_803726DC:
 lbl_8037271C:
 /* 8037271C 0036F65C  7F 83 E3 78 */	mr r3, r28
 /* 80372720 0036F660  7F A5 EB 78 */	mr r5, r29
-/* 80372724 0036F664  4B C9 0E 1D */	bl func_80003540
+/* 80372724 0036F664  4B C9 0E 1D */	bl memcpy
 /* 80372728 0036F668  80 9E 00 08 */	lwz r4, 8(r30)
 /* 8037272C 0036F66C  7C 7C EA 14 */	add r3, r28, r29
 /* 80372730 0036F670  7C BD F8 50 */	subf r5, r29, r31
-/* 80372734 0036F674  4B C9 0E 0D */	bl func_80003540
+/* 80372734 0036F674  4B C9 0E 0D */	bl memcpy
 /* 80372738 0036F678  80 1E 00 08 */	lwz r0, 8(r30)
 /* 8037273C 0036F67C  7C 00 FA 14 */	add r0, r0, r31
 /* 80372740 0036F680  7C 1D 00 50 */	subf r0, r29, r0
@@ -19837,7 +19837,7 @@ lbl_803727E4:
 /* 80372804 0036F744  41 80 00 20 */	blt lbl_80372824
 /* 80372808 0036F748  7F 84 E3 78 */	mr r4, r28
 /* 8037280C 0036F74C  7F E5 FB 78 */	mr r5, r31
-/* 80372810 0036F750  4B C9 0D 31 */	bl func_80003540
+/* 80372810 0036F750  4B C9 0D 31 */	bl memcpy
 /* 80372814 0036F754  80 1E 00 04 */	lwz r0, 4(r30)
 /* 80372818 0036F758  7C 00 FA 14 */	add r0, r0, r31
 /* 8037281C 0036F75C  90 1E 00 04 */	stw r0, 4(r30)
@@ -19845,11 +19845,11 @@ lbl_803727E4:
 lbl_80372824:
 /* 80372824 0036F764  7F 84 E3 78 */	mr r4, r28
 /* 80372828 0036F768  7F A5 EB 78 */	mr r5, r29
-/* 8037282C 0036F76C  4B C9 0D 15 */	bl func_80003540
+/* 8037282C 0036F76C  4B C9 0D 15 */	bl memcpy
 /* 80372830 0036F770  80 7E 00 08 */	lwz r3, 8(r30)
 /* 80372834 0036F774  7C 9C EA 14 */	add r4, r28, r29
 /* 80372838 0036F778  7C BD F8 50 */	subf r5, r29, r31
-/* 8037283C 0036F77C  4B C9 0D 05 */	bl func_80003540
+/* 8037283C 0036F77C  4B C9 0D 05 */	bl memcpy
 /* 80372840 0036F780  80 1E 00 08 */	lwz r0, 8(r30)
 /* 80372844 0036F784  7C 00 FA 14 */	add r0, r0, r31
 /* 80372848 0036F788  7C 1D 00 50 */	subf r0, r29, r0
diff --git a/asm/d/a/npc/d_a_npc_cd.s b/asm/d/a/npc/d_a_npc_cd.s
index ebfb67d6e6..c1b1f4430a 100644
--- a/asm/d/a/npc/d_a_npc_cd.s
+++ b/asm/d/a/npc/d_a_npc_cd.s
@@ -1555,7 +1555,7 @@ lbl_801576A8:
 /* 801576B0 001545F0  7C 7E 1A 14 */	add r3, r30, r3
 /* 801576B4 001545F4  7C 98 E2 14 */	add r4, r24, r28
 /* 801576B8 001545F8  38 A0 00 14 */	li r5, 0x14
-/* 801576BC 001545FC  4B EA BE 85 */	bl func_80003540
+/* 801576BC 001545FC  4B EA BE 85 */	bl memcpy
 /* 801576C0 00154600  3A D6 00 01 */	addi r22, r22, 1
 /* 801576C4 00154604  2C 16 00 0C */	cmpwi r22, 0xc
 /* 801576C8 00154608  3B 9C 00 14 */	addi r28, r28, 0x14
@@ -1566,7 +1566,7 @@ lbl_801576A8:
 /* 801576DC 0015461C  38 9F 11 64 */	addi r4, r31, 0x1164
 /* 801576E0 00154620  7C 84 CA 14 */	add r4, r4, r25
 /* 801576E4 00154624  38 A0 00 40 */	li r5, 0x40
-/* 801576E8 00154628  4B EA BE 59 */	bl func_80003540
+/* 801576E8 00154628  4B EA BE 59 */	bl memcpy
 /* 801576EC 0015462C  3A F7 00 01 */	addi r23, r23, 1
 /* 801576F0 00154630  2C 17 00 10 */	cmpwi r23, 0x10
 /* 801576F4 00154634  3B 39 00 40 */	addi r25, r25, 0x40
@@ -1589,7 +1589,7 @@ lbl_80157728:
 /* 80157730 00154670  7C 7E 1A 14 */	add r3, r30, r3
 /* 80157734 00154674  7C 98 D2 14 */	add r4, r24, r26
 /* 80157738 00154678  38 A0 00 14 */	li r5, 0x14
-/* 8015773C 0015467C  4B EA BE 05 */	bl func_80003540
+/* 8015773C 0015467C  4B EA BE 05 */	bl memcpy
 /* 80157740 00154680  3A F7 00 01 */	addi r23, r23, 1
 /* 80157744 00154684  2C 17 00 0C */	cmpwi r23, 0xc
 /* 80157748 00154688  3B 5A 00 14 */	addi r26, r26, 0x14
@@ -1600,7 +1600,7 @@ lbl_80157728:
 /* 8015775C 0015469C  38 9F 22 84 */	addi r4, r31, 0x2284
 /* 80157760 001546A0  7C 84 EA 14 */	add r4, r4, r29
 /* 80157764 001546A4  38 A0 00 40 */	li r5, 0x40
-/* 80157768 001546A8  4B EA BD D9 */	bl func_80003540
+/* 80157768 001546A8  4B EA BD D9 */	bl memcpy
 /* 8015776C 001546AC  3A D6 00 01 */	addi r22, r22, 1
 /* 80157770 001546B0  2C 16 00 0E */	cmpwi r22, 0xe
 /* 80157774 001546B4  3B BD 00 40 */	addi r29, r29, 0x40
diff --git a/asm/d/a/npc/d_a_npc_cd2.s b/asm/d/a/npc/d_a_npc_cd2.s
index a85f09ed3f..4a0da90334 100644
--- a/asm/d/a/npc/d_a_npc_cd2.s
+++ b/asm/d/a/npc/d_a_npc_cd2.s
@@ -2858,7 +2858,7 @@ lbl_8015A580:
 /* 8015A588 001574C8  7C 7E 1A 14 */	add r3, r30, r3
 /* 8015A58C 001574CC  7C 98 E2 14 */	add r4, r24, r28
 /* 8015A590 001574D0  38 A0 00 14 */	li r5, 0x14
-/* 8015A594 001574D4  4B EA 8F AD */	bl func_80003540
+/* 8015A594 001574D4  4B EA 8F AD */	bl memcpy
 /* 8015A598 001574D8  3A D6 00 01 */	addi r22, r22, 1
 /* 8015A59C 001574DC  2C 16 00 13 */	cmpwi r22, 0x13
 /* 8015A5A0 001574E0  3B 9C 00 14 */	addi r28, r28, 0x14
@@ -2869,7 +2869,7 @@ lbl_8015A580:
 /* 8015A5B4 001574F4  38 9F 1C 04 */	addi r4, r31, 0x1c04
 /* 8015A5B8 001574F8  7C 84 CA 14 */	add r4, r4, r25
 /* 8015A5BC 001574FC  38 A0 00 40 */	li r5, 0x40
-/* 8015A5C0 00157500  4B EA 8F 81 */	bl func_80003540
+/* 8015A5C0 00157500  4B EA 8F 81 */	bl memcpy
 /* 8015A5C4 00157504  3A F7 00 01 */	addi r23, r23, 1
 /* 8015A5C8 00157508  2C 17 00 10 */	cmpwi r23, 0x10
 /* 8015A5CC 0015750C  3B 39 00 40 */	addi r25, r25, 0x40
@@ -2892,7 +2892,7 @@ lbl_8015A600:
 /* 8015A608 00157548  7C 7E 1A 14 */	add r3, r30, r3
 /* 8015A60C 0015754C  7C 98 D2 14 */	add r4, r24, r26
 /* 8015A610 00157550  38 A0 00 14 */	li r5, 0x14
-/* 8015A614 00157554  4B EA 8F 2D */	bl func_80003540
+/* 8015A614 00157554  4B EA 8F 2D */	bl memcpy
 /* 8015A618 00157558  3A F7 00 01 */	addi r23, r23, 1
 /* 8015A61C 0015755C  2C 17 00 15 */	cmpwi r23, 0x15
 /* 8015A620 00157560  3B 5A 00 14 */	addi r26, r26, 0x14
@@ -2903,7 +2903,7 @@ lbl_8015A600:
 /* 8015A634 00157574  38 9F 36 FC */	addi r4, r31, 0x36fc
 /* 8015A638 00157578  7C 84 EA 14 */	add r4, r4, r29
 /* 8015A63C 0015757C  38 A0 00 40 */	li r5, 0x40
-/* 8015A640 00157580  4B EA 8F 01 */	bl func_80003540
+/* 8015A640 00157580  4B EA 8F 01 */	bl memcpy
 /* 8015A644 00157584  3A D6 00 01 */	addi r22, r22, 1
 /* 8015A648 00157588  2C 16 00 0E */	cmpwi r22, 0xe
 /* 8015A64C 0015758C  3B BD 00 40 */	addi r29, r29, 0x40
diff --git a/asm/d/file/d_file_select.s b/asm/d/file/d_file_select.s
index 86c8b74738..752aabb974 100644
--- a/asm/d/file/d_file_select.s
+++ b/asm/d/file/d_file_select.s
@@ -7182,7 +7182,7 @@ lbl_80189EBC:
 /* 80189F08 00186E48  38 84 03 B8 */	addi r4, r4, 0x3b8
 /* 80189F0C 00186E4C  7C 9F 22 14 */	add r4, r31, r4
 /* 80189F10 00186E50  38 A0 0A 94 */	li r5, 0xa94
-/* 80189F14 00186E54  4B E7 96 2D */	bl func_80003540
+/* 80189F14 00186E54  4B E7 96 2D */	bl memcpy
 /* 80189F18 00186E58  38 7F 03 B8 */	addi r3, r31, 0x3b8
 /* 80189F1C 00186E5C  88 9F 02 6D */	lbz r4, 0x26d(r31)
 /* 80189F20 00186E60  4B E8 DE 19 */	bl mDoMemCdRWm_SetCheckSumGameData
diff --git a/asm/d/menu/d_menu_dmap.s b/asm/d/menu/d_menu_dmap.s
index 95994456bd..1105920ef1 100644
--- a/asm/d/menu/d_menu_dmap.s
+++ b/asm/d/menu/d_menu_dmap.s
@@ -3578,7 +3578,7 @@ lbl_801BB3E0:
 /* 801BB404 001B8344  7C 64 1B 78 */	mr r4, r3
 /* 801BB408 001B8348  38 7F 0D 80 */	addi r3, r31, 0xd80
 /* 801BB40C 001B834C  38 A0 00 14 */	li r5, 0x14
-/* 801BB410 001B8350  4B E4 81 31 */	bl func_80003540
+/* 801BB410 001B8350  4B E4 81 31 */	bl memcpy
 lbl_801BB414:
 /* 801BB414 001B8354  80 1F 0D 24 */	lwz r0, 0xd24(r31)
 /* 801BB418 001B8358  28 00 00 00 */	cmplwi r0, 0
diff --git a/asm/d/msg/d_msg_flow.s b/asm/d/msg/d_msg_flow.s
index dcce4dfa15..bb8182b952 100644
--- a/asm/d/msg/d_msg_flow.s
+++ b/asm/d/msg/d_msg_flow.s
@@ -603,7 +603,7 @@ lbl_8024A728:
 /* 8024A728 00247668  38 61 00 08 */	addi r3, r1, 8
 /* 8024A72C 0024766C  7F E4 FB 78 */	mr r4, r31
 /* 8024A730 00247670  38 A0 00 04 */	li r5, 4
-/* 8024A734 00247674  4B DB 8E 0D */	bl func_80003540
+/* 8024A734 00247674  4B DB 8E 0D */	bl memcpy
 /* 8024A738 00247678  38 61 00 08 */	addi r3, r1, 8
 /* 8024A73C 0024767C  7F 84 E3 78 */	mr r4, r28
 /* 8024A740 00247680  48 11 E2 55 */	bl strcmp
diff --git a/asm/d/save/d_save_HIO.s b/asm/d/save/d_save_HIO.s
index e58b28c7e6..f29e3f5f4b 100644
--- a/asm/d/save/d_save_HIO.s
+++ b/asm/d/save/d_save_HIO.s
@@ -725,8 +725,8 @@ lbl_8025C59C:
 /* 8025C5C0 00259500  93 E1 00 0C */	stw r31, 0xc(r1)
 /* 8025C5C4 00259504  7C 7F 1B 79 */	or. r31, r3, r3
 /* 8025C5C8 00259508  41 82 00 1C */	beq lbl_8025C5E4
-/* 8025C5CC 0025950C  3C A0 80 3C */	lis r5, lbl_803C3384@ha
-/* 8025C5D0 00259510  38 05 33 84 */	addi r0, r5, lbl_803C3384@l
+/* 8025C5CC 0025950C  3C A0 80 3C */	lis r5, HeapCheckTable@ha
+/* 8025C5D0 00259510  38 05 33 84 */	addi r0, r5, HeapCheckTable@l
 /* 8025C5D4 00259514  90 1F 00 00 */	stw r0, 0(r31)
 /* 8025C5D8 00259518  7C 80 07 35 */	extsh. r0, r4
 /* 8025C5DC 0025951C  40 81 00 08 */	ble lbl_8025C5E4
@@ -898,8 +898,8 @@ lbl_8025C824:
 lbl_8025C838:
 /* 8025C838 00259778  34 1F 00 10 */	addic. r0, r31, 0x10
 /* 8025C83C 0025977C  41 82 00 10 */	beq lbl_8025C84C
-/* 8025C840 00259780  3C 60 80 3C */	lis r3, lbl_803C3384@ha
-/* 8025C844 00259784  38 03 33 84 */	addi r0, r3, lbl_803C3384@l
+/* 8025C840 00259780  3C 60 80 3C */	lis r3, HeapCheckTable@ha
+/* 8025C844 00259784  38 03 33 84 */	addi r0, r3, HeapCheckTable@l
 /* 8025C848 00259788  90 1F 00 10 */	stw r0, 0x10(r31)
 lbl_8025C84C:
 /* 8025C84C 0025978C  7C 80 07 35 */	extsh. r0, r4
@@ -1012,8 +1012,8 @@ lbl_8025C9BC:
 lbl_8025C9D0:
 /* 8025C9D0 00259910  34 1F 00 08 */	addic. r0, r31, 8
 /* 8025C9D4 00259914  41 82 00 10 */	beq lbl_8025C9E4
-/* 8025C9D8 00259918  3C 60 80 3C */	lis r3, lbl_803C3384@ha
-/* 8025C9DC 0025991C  38 03 33 84 */	addi r0, r3, lbl_803C3384@l
+/* 8025C9D8 00259918  3C 60 80 3C */	lis r3, HeapCheckTable@ha
+/* 8025C9DC 0025991C  38 03 33 84 */	addi r0, r3, HeapCheckTable@l
 /* 8025C9E0 00259920  90 1F 00 08 */	stw r0, 8(r31)
 lbl_8025C9E4:
 /* 8025C9E4 00259924  7C 80 07 35 */	extsh. r0, r4
diff --git a/asm/data.s b/asm/data.s
index 4c5a9d7692..5f0f15d10a 100644
--- a/asm/data.s
+++ b/asm/data.s
@@ -2165,8 +2165,8 @@ lbl_803C336C:
 .global lbl_803C3378
 lbl_803C3378:
 	.incbin "baserom.dol", 0x3C0378, 0xC
-.global lbl_803C3384
-lbl_803C3384:
+.global HeapCheckTable
+HeapCheckTable:
 	.incbin "baserom.dol", 0x3C0384, 0xC
 .global lbl_803C3390
 lbl_803C3390:
diff --git a/asm/dvd/dvd.s b/asm/dvd/dvd.s
index 933049da39..8d3ee4de08 100644
--- a/asm/dvd/dvd.s
+++ b/asm/dvd/dvd.s
@@ -655,7 +655,7 @@ lbl_80349968:
 /* 80349980 003468C0  80 6D 91 FC */	lwz r3, lbl_8045177C-_SDA_BASE_(r13)
 /* 80349984 003468C4  38 9F 00 20 */	addi r4, r31, 0x20
 /* 80349988 003468C8  38 A0 00 20 */	li r5, 0x20
-/* 8034998C 003468CC  4B CB 9B B5 */	bl func_80003540
+/* 8034998C 003468CC  4B CB 9B B5 */	bl memcpy
 /* 80349990 003468D0  80 8D 91 F8 */	lwz r4, lbl_80451778-_SDA_BASE_(r13)
 /* 80349994 003468D4  38 00 00 01 */	li r0, 1
 /* 80349998 003468D8  38 7F 00 00 */	addi r3, r31, 0
diff --git a/asm/dvd/fstload.s b/asm/dvd/fstload.s
index 4ca51a73df..fe3d6980c5 100644
--- a/asm/dvd/fstload.s
+++ b/asm/dvd/fstload.s
@@ -113,7 +113,7 @@ lbl_8034BE64:
 /* 8034BE90 00348DD0  80 04 00 0C */	lwz r0, 0xc(r4)
 /* 8034BE94 00348DD4  90 1E 00 3C */	stw r0, 0x3c(r30)
 /* 8034BE98 00348DD8  80 8D 92 58 */	lwz r4, lbl_804517D8-_SDA_BASE_(r13)
-/* 8034BE9C 00348DDC  4B CB 76 A5 */	bl func_80003540
+/* 8034BE9C 00348DDC  4B CB 76 A5 */	bl memcpy
 /* 8034BEA0 00348DE0  38 6D 84 80 */	addi r3, r13, lbl_80450A00-_SDA_BASE_
 /* 8034BEA4 00348DE4  4C C6 31 82 */	crclr 6
 /* 8034BEA8 00348DE8  4B CB AC 15 */	bl OSReport
diff --git a/asm/init.s b/asm/init.s
index b066dc7c5e..46f727fb57 100644
--- a/asm/init.s
+++ b/asm/init.s
@@ -197,7 +197,7 @@ lbl_8000336C:
 /* 80003388 00000388  41 82 00 1C */	beq lbl_800033A4
 /* 8000338C 0000038C  7F E3 FB 78 */	mr r3, r31
 /* 80003390 00000390  7F C5 F3 78 */	mr r5, r30
-/* 80003394 00000394  48 00 01 AD */	bl func_80003540
+/* 80003394 00000394  48 00 01 AD */	bl memcpy
 /* 80003398 00000398  7F E3 FB 78 */	mr r3, r31
 /* 8000339C 0000039C  7F C4 F3 78 */	mr r4, r30
 /* 800033A0 000003A0  48 00 00 85 */	bl func_80003424
@@ -333,8 +333,8 @@ lbl_80003530:
 /* 80003538 00000538  40 82 FF F8 */	bne lbl_80003530
 /* 8000353C 0000053C  4E 80 00 20 */	blr 
 
-.global func_80003540
-func_80003540:
+.global memcpy
+memcpy:
 /* 80003540 00000540  7C 04 18 40 */	cmplw r4, r3
 /* 80003544 00000544  41 80 00 28 */	blt lbl_8000356C
 /* 80003548 00000548  38 84 FF FF */	addi r4, r4, -1
diff --git a/asm/m/Do/m_Do_MemCard.s b/asm/m/Do/m_Do_MemCard.s
index 240325c6bf..57ac7c43c0 100644
--- a/asm/m/Do/m_Do_MemCard.s
+++ b/asm/m/Do/m_Do_MemCard.s
@@ -294,7 +294,7 @@ lbl_80016AEC:
 /* 80016B08 00013A48  7F 83 E3 78 */	mr r3, r28
 /* 80016B0C 00013A4C  7C 9B F2 14 */	add r4, r27, r30
 /* 80016B10 00013A50  7F A5 EB 78 */	mr r5, r29
-/* 80016B14 00013A54  4B FE CA 2D */	bl func_80003540
+/* 80016B14 00013A54  4B FE CA 2D */	bl memcpy
 /* 80016B18 00013A58  38 00 00 01 */	li r0, 1
 /* 80016B1C 00013A5C  90 1B 1F C4 */	stw r0, 0x1fc4(r27)
 /* 80016B20 00013A60  3B E0 00 01 */	li r31, 1
@@ -334,7 +334,7 @@ mDoMemCd_Ctrl_c_NS_save:
 /* 80016B8C 00013ACC  7C 7C FA 14 */	add r3, r28, r31
 /* 80016B90 00013AD0  7F A4 EB 78 */	mr r4, r29
 /* 80016B94 00013AD4  7F C5 F3 78 */	mr r5, r30
-/* 80016B98 00013AD8  4B FE C9 A9 */	bl func_80003540
+/* 80016B98 00013AD8  4B FE C9 A9 */	bl memcpy
 /* 80016B9C 00013ADC  38 00 00 00 */	li r0, 0
 /* 80016BA0 00013AE0  90 1C 1F C8 */	stw r0, 0x1fc8(r28)
 /* 80016BA4 00013AE4  38 00 00 02 */	li r0, 2
diff --git a/asm/m/Do/m_Do_MemCardRWmng.s b/asm/m/Do/m_Do_MemCardRWmng.s
index e308f9aabf..41903ea0e1 100644
--- a/asm/m/Do/m_Do_MemCardRWmng.s
+++ b/asm/m/Do/m_Do_MemCardRWmng.s
@@ -68,7 +68,7 @@ lbl_80017554:
 /* 8001757C 000144BC  38 63 00 08 */	addi r3, r3, 8
 /* 80017580 000144C0  7F C4 F3 78 */	mr r4, r30
 /* 80017584 000144C4  7F E5 FB 78 */	mr r5, r31
-/* 80017588 000144C8  4B FE BF B9 */	bl func_80003540
+/* 80017588 000144C8  4B FE BF B9 */	bl memcpy
 /* 8001758C 000144CC  38 00 00 00 */	li r0, 0
 /* 80017590 000144D0  90 1C 00 00 */	stw r0, 0(r28)
 /* 80017594 000144D4  7F 83 E3 78 */	mr r3, r28
@@ -201,7 +201,7 @@ lbl_8001772C:
 /* 80017760 000146A0  38 78 00 08 */	addi r3, r24, 8
 /* 80017764 000146A4  38 97 00 08 */	addi r4, r23, 8
 /* 80017768 000146A8  38 A0 0A 94 */	li r5, 0xa94
-/* 8001776C 000146AC  4B FE BD D5 */	bl func_80003540
+/* 8001776C 000146AC  4B FE BD D5 */	bl memcpy
 /* 80017770 000146B0  3B 20 00 01 */	li r25, 1
 lbl_80017774:
 /* 80017774 000146B4  2C 1B 00 00 */	cmpwi r27, 0
@@ -211,7 +211,7 @@ lbl_80017774:
 /* 80017784 000146C4  38 78 0A 9C */	addi r3, r24, 0xa9c
 /* 80017788 000146C8  38 97 0A 9C */	addi r4, r23, 0xa9c
 /* 8001778C 000146CC  38 A0 0A 94 */	li r5, 0xa94
-/* 80017790 000146D0  4B FE BD B1 */	bl func_80003540
+/* 80017790 000146D0  4B FE BD B1 */	bl memcpy
 /* 80017794 000146D4  3B 20 00 01 */	li r25, 1
 lbl_80017798:
 /* 80017798 000146D8  2C 1C 00 00 */	cmpwi r28, 0
@@ -221,7 +221,7 @@ lbl_80017798:
 /* 800177A8 000146E8  38 78 15 30 */	addi r3, r24, 0x1530
 /* 800177AC 000146EC  38 97 15 30 */	addi r4, r23, 0x1530
 /* 800177B0 000146F0  38 A0 0A 94 */	li r5, 0xa94
-/* 800177B4 000146F4  4B FE BD 8D */	bl func_80003540
+/* 800177B4 000146F4  4B FE BD 8D */	bl memcpy
 /* 800177B8 000146F8  3B 20 00 01 */	li r25, 1
 lbl_800177BC:
 /* 800177BC 000146FC  7E 83 A3 78 */	mr r3, r20
@@ -254,7 +254,7 @@ lbl_8001781C:
 /* 8001781C 0001475C  7E A3 AB 78 */	mr r3, r21
 /* 80017820 00014760  38 98 00 08 */	addi r4, r24, 8
 /* 80017824 00014764  7E C5 B3 78 */	mr r5, r22
-/* 80017828 00014768  4B FE BD 19 */	bl func_80003540
+/* 80017828 00014768  4B FE BD 19 */	bl memcpy
 /* 8001782C 0001476C  80 18 00 04 */	lwz r0, 4(r24)
 /* 80017830 00014770  3C 60 80 3F */	lis r3, lbl_803EAF40@ha
 /* 80017834 00014774  38 63 AF 40 */	addi r3, r3, lbl_803EAF40@l
@@ -330,34 +330,34 @@ mDoMemCdRWm_BuildHeader:
 /* 8001793C 0001487C  A0 1D 00 0A */	lhz r0, 0xa(r29)
 /* 80017940 00014880  54 05 08 3C */	slwi r5, r0, 1
 /* 80017944 00014884  38 A5 0C 00 */	addi r5, r5, 0xc00
-/* 80017948 00014888  4B FE BB F9 */	bl func_80003540
+/* 80017948 00014888  4B FE BB F9 */	bl memcpy
 /* 8001794C 0001488C  38 7F 0E 00 */	addi r3, r31, 0xe00
 /* 80017950 00014890  80 1E 00 1C */	lwz r0, 0x1c(r30)
 /* 80017954 00014894  7C 9E 02 14 */	add r4, r30, r0
 /* 80017958 00014898  38 A0 04 00 */	li r5, 0x400
-/* 8001795C 0001489C  4B FE BB E5 */	bl func_80003540
+/* 8001795C 0001489C  4B FE BB E5 */	bl memcpy
 /* 80017960 000148A0  38 7F 12 00 */	addi r3, r31, 0x1200
 /* 80017964 000148A4  80 1E 00 1C */	lwz r0, 0x1c(r30)
 /* 80017968 000148A8  7C 9E 02 14 */	add r4, r30, r0
 /* 8001796C 000148AC  38 A0 04 00 */	li r5, 0x400
-/* 80017970 000148B0  4B FE BB D1 */	bl func_80003540
+/* 80017970 000148B0  4B FE BB D1 */	bl memcpy
 /* 80017974 000148B4  38 7F 16 00 */	addi r3, r31, 0x1600
 /* 80017978 000148B8  80 1E 00 1C */	lwz r0, 0x1c(r30)
 /* 8001797C 000148BC  7C 9E 02 14 */	add r4, r30, r0
 /* 80017980 000148C0  38 A0 04 00 */	li r5, 0x400
-/* 80017984 000148C4  4B FE BB BD */	bl func_80003540
+/* 80017984 000148C4  4B FE BB BD */	bl memcpy
 /* 80017988 000148C8  38 7F 1A 00 */	addi r3, r31, 0x1a00
 /* 8001798C 000148CC  80 1E 00 1C */	lwz r0, 0x1c(r30)
 /* 80017990 000148D0  7C 9E 02 14 */	add r4, r30, r0
 /* 80017994 000148D4  38 A0 04 00 */	li r5, 0x400
-/* 80017998 000148D8  4B FE BB A9 */	bl func_80003540
+/* 80017998 000148D8  4B FE BB A9 */	bl memcpy
 /* 8001799C 000148DC  38 7F 1E 00 */	addi r3, r31, 0x1e00
 /* 800179A0 000148E0  80 1E 00 1C */	lwz r0, 0x1c(r30)
 /* 800179A4 000148E4  7C 9E 02 14 */	add r4, r30, r0
 /* 800179A8 000148E8  A0 1E 00 0A */	lhz r0, 0xa(r30)
 /* 800179AC 000148EC  54 05 08 3C */	slwi r5, r0, 1
 /* 800179B0 000148F0  38 A5 04 00 */	addi r5, r5, 0x400
-/* 800179B4 000148F4  4B FE BB 8D */	bl func_80003540
+/* 800179B4 000148F4  4B FE BB 8D */	bl memcpy
 /* 800179B8 000148F8  80 7C 5C F0 */	lwz r3, 0x5cf0(r28)
 /* 800179BC 000148FC  81 83 00 00 */	lwz r12, 0(r3)
 /* 800179C0 00014900  81 8C 00 24 */	lwz r12, 0x24(r12)
diff --git a/asm/os/OS.s b/asm/os/OS.s
index b35d591f2e..7f5aae5914 100644
--- a/asm/os/OS.s
+++ b/asm/os/OS.s
@@ -505,7 +505,7 @@ OSExceptionInit:
 /* 8033A4AC 003373EC  7E A4 00 50 */	subf r21, r4, r0
 /* 8033A4B0 003373F0  7E 83 A3 78 */	mr r3, r20
 /* 8033A4B4 003373F4  7E A5 AB 78 */	mr r5, r21
-/* 8033A4B8 003373F8  4B CC 90 89 */	bl func_80003540
+/* 8033A4B8 003373F8  4B CC 90 89 */	bl memcpy
 /* 8033A4BC 003373FC  7E 83 A3 78 */	mr r3, r20
 /* 8033A4C0 00337400  7E A4 AB 78 */	mr r4, r21
 /* 8033A4C4 00337404  48 00 11 49 */	bl DCFlushRangeNoSync
@@ -564,7 +564,7 @@ lbl_8033A548:
 /* 8033A574 003374B4  7E A3 AB 78 */	mr r3, r21
 /* 8033A578 003374B8  7F E4 FB 78 */	mr r4, r31
 /* 8033A57C 003374BC  7F 65 DB 78 */	mr r5, r27
-/* 8033A580 003374C0  4B CC 8F C1 */	bl func_80003540
+/* 8033A580 003374C0  4B CC 8F C1 */	bl memcpy
 /* 8033A584 003374C4  48 00 00 90 */	b lbl_8033A614
 lbl_8033A588:
 /* 8033A588 003374C8  7E A4 AB 78 */	mr r4, r21
@@ -612,7 +612,7 @@ lbl_8033A614:
 /* 8033A61C 0033755C  7E E5 BB 78 */	mr r5, r23
 /* 8033A620 00337560  3E 83 80 00 */	addis r20, r3, 0x8000
 /* 8033A624 00337564  7E 83 A3 78 */	mr r3, r20
-/* 8033A628 00337568  4B CC 8F 19 */	bl func_80003540
+/* 8033A628 00337568  4B CC 8F 19 */	bl memcpy
 /* 8033A62C 0033756C  7E 83 A3 78 */	mr r3, r20
 /* 8033A630 00337570  7E E4 BB 78 */	mr r4, r23
 /* 8033A634 00337574  48 00 0F D9 */	bl DCFlushRangeNoSync
diff --git a/asm/os/OSAudioSystem.s b/asm/os/OSAudioSystem.s
index ad15f85e9f..dfc485eebe 100644
--- a/asm/os/OSAudioSystem.s
+++ b/asm/os/OSAudioSystem.s
@@ -13,12 +13,12 @@ __OSInitAudioSystem:
 /* 8033B2EC 0033822C  3C 80 81 00 */	lis r4, 0x8100
 /* 8033B2F0 00338230  38 A0 00 80 */	li r5, 0x80
 /* 8033B2F4 00338234  38 63 FF 80 */	addi r3, r3, -128
-/* 8033B2F8 00338238  4B CC 82 49 */	bl func_80003540
+/* 8033B2F8 00338238  4B CC 82 49 */	bl memcpy
 /* 8033B2FC 0033823C  3C 60 80 3D */	lis r3, lbl_803CF490@ha
 /* 8033B300 00338240  38 83 F4 90 */	addi r4, r3, lbl_803CF490@l
 /* 8033B304 00338244  3C 60 81 00 */	lis r3, 0x8100
 /* 8033B308 00338248  38 A0 00 80 */	li r5, 0x80
-/* 8033B30C 0033824C  4B CC 82 35 */	bl func_80003540
+/* 8033B30C 0033824C  4B CC 82 35 */	bl memcpy
 /* 8033B310 00338250  3C 60 81 00 */	lis r3, 0x8100
 /* 8033B314 00338254  38 80 00 80 */	li r4, 0x80
 /* 8033B318 00338258  48 00 02 95 */	bl DCFlushRange
@@ -121,7 +121,7 @@ lbl_8033B460:
 /* 8033B470 003383B0  38 83 FF 80 */	addi r4, r3, -128
 /* 8033B474 003383B4  3C 60 81 00 */	lis r3, 0x8100
 /* 8033B478 003383B8  38 A0 00 80 */	li r5, 0x80
-/* 8033B47C 003383BC  4B CC 80 C5 */	bl func_80003540
+/* 8033B47C 003383BC  4B CC 80 C5 */	bl memcpy
 /* 8033B480 003383C0  BB 21 00 14 */	lmw r25, 0x14(r1)
 /* 8033B484 003383C4  80 01 00 34 */	lwz r0, 0x34(r1)
 /* 8033B488 003383C8  38 21 00 30 */	addi r1, r1, 0x30
diff --git a/asm/os/OSExec.s b/asm/os/OSExec.s
index dc2c197d0e..7622de9ab8 100644
--- a/asm/os/OSExec.s
+++ b/asm/os/OSExec.s
@@ -181,7 +181,7 @@ __OSGetExecParams:
 /* 8033CCD0 00339C10  7C 05 20 40 */	cmplw r5, r4
 /* 8033CCD4 00339C14  41 81 00 10 */	bgt lbl_8033CCE4
 /* 8033CCD8 00339C18  38 A0 00 1C */	li r5, 0x1c
-/* 8033CCDC 00339C1C  4B CC 68 65 */	bl func_80003540
+/* 8033CCDC 00339C1C  4B CC 68 65 */	bl memcpy
 /* 8033CCE0 00339C20  48 00 00 0C */	b lbl_8033CCEC
 lbl_8033CCE4:
 /* 8033CCE4 00339C24  38 00 00 00 */	li r0, 0
@@ -462,7 +462,7 @@ lbl_8033D064:
 /* 8033D090 00339FD0  7F 63 DB 78 */	mr r3, r27
 /* 8033D094 00339FD4  7F E4 FB 78 */	mr r4, r31
 /* 8033D098 00339FD8  38 A0 00 1C */	li r5, 0x1c
-/* 8033D09C 00339FDC  4B CC 64 A5 */	bl func_80003540
+/* 8033D09C 00339FDC  4B CC 64 A5 */	bl memcpy
 /* 8033D0A0 00339FE0  3C 80 80 00 */	lis r4, 0x800030F0@ha
 /* 8033D0A4 00339FE4  81 81 00 C0 */	lwz r12, 0xc0(r1)
 /* 8033D0A8 00339FE8  3C 60 80 00 */	lis r3, OSReport@ha
@@ -521,7 +521,7 @@ lbl_8033D11C:
 /* 8033D15C 0033A09C  7F 63 DB 78 */	mr r3, r27
 /* 8033D160 0033A0A0  7F E4 FB 78 */	mr r4, r31
 /* 8033D164 0033A0A4  38 A0 00 1C */	li r5, 0x1c
-/* 8033D168 0033A0A8  4B CC 63 D9 */	bl func_80003540
+/* 8033D168 0033A0A8  4B CC 63 D9 */	bl memcpy
 /* 8033D16C 0033A0AC  3C 80 80 00 */	lis r4, 0x800030F0@ha
 /* 8033D170 0033A0B0  3C 60 CC 00 */	lis r3, 0xCC003000@ha
 /* 8033D174 0033A0B4  93 64 30 F0 */	stw r27, 0x800030F0@l(r4)
diff --git a/asm/os/OSSync.s b/asm/os/OSSync.s
index 067f32434a..2af0d22900 100644
--- a/asm/os/OSSync.s
+++ b/asm/os/OSSync.s
@@ -34,7 +34,7 @@ __OSInitSystemCall:
 /* 80340A64 0033D9A4  38 84 0A 20 */	addi r4, r4, __OSSystemCallVectorStart @l
 /* 80340A68 0033D9A8  7F E3 FB 78 */	mr r3, r31
 /* 80340A6C 0033D9AC  7C A4 00 50 */	subf r5, r4, r0
-/* 80340A70 0033D9B0  4B CC 2A D1 */	bl func_80003540
+/* 80340A70 0033D9B0  4B CC 2A D1 */	bl memcpy
 /* 80340A74 0033D9B4  7F E3 FB 78 */	mr r3, r31
 /* 80340A78 0033D9B8  38 80 01 00 */	li r4, 0x100
 /* 80340A7C 0033D9BC  4B FF AB 91 */	bl DCFlushRangeNoSync
diff --git a/include/JSystem/JKernel/JKRAram/asm/func_802D2CE4.s b/include/JSystem/JKernel/JKRAram/asm/func_802D2CE4.s
index 22bbf11847..a144b1e851 100644
--- a/include/JSystem/JKernel/JKRAram/asm/func_802D2CE4.s
+++ b/include/JSystem/JKernel/JKRAram/asm/func_802D2CE4.s
@@ -19,7 +19,7 @@ lbl_802D2D1C:
 lbl_802D2D20:
 /* 802D2D20 002CFC60  7F C3 F3 78 */	mr r3, r30
 /* 802D2D24 002CFC64  7F A5 EB 78 */	mr r5, r29
-/* 802D2D28 002CFC68  4B D3 08 19 */	bl func_80003540
+/* 802D2D28 002CFC68  4B D3 08 19 */	bl memcpy
 /* 802D2D2C 002CFC6C  7F FE EA 14 */	add r31, r30, r29
 /* 802D2D30 002CFC70  80 0D 8E 50 */	lwz r0, lbl_804513D0-_SDA_BASE_(r13)
 /* 802D2D34 002CFC74  7F 9F 00 50 */	subf r28, r31, r0
diff --git a/include/JSystem/JKernel/JKRDvdAramRipper/asm/func_802DB49C.s b/include/JSystem/JKernel/JKRDvdAramRipper/asm/func_802DB49C.s
index 58a8fff621..b0f6f467d5 100644
--- a/include/JSystem/JKernel/JKRDvdAramRipper/asm/func_802DB49C.s
+++ b/include/JSystem/JKernel/JKRDvdAramRipper/asm/func_802DB49C.s
@@ -19,7 +19,7 @@ lbl_802DB4D4:
 lbl_802DB4D8:
 /* 802DB4D8 002D8418  7F A3 EB 78 */	mr r3, r29
 /* 802DB4DC 002D841C  7F C5 F3 78 */	mr r5, r30
-/* 802DB4E0 002D8420  4B D2 80 61 */	bl func_80003540
+/* 802DB4E0 002D8420  4B D2 80 61 */	bl memcpy
 /* 802DB4E4 002D8424  7F DD F2 14 */	add r30, r29, r30
 /* 802DB4E8 002D8428  80 0D 8E EC */	lwz r0, lbl_8045146C-_SDA_BASE_(r13)
 /* 802DB4EC 002D842C  7F FE 00 50 */	subf r31, r30, r0
diff --git a/include/JSystem/JKernel/JKRDvdFile/JKRDvdFile.h b/include/JSystem/JKernel/JKRDvdFile/JKRDvdFile.h
index 991f245e4a..6191bf98b4 100644
--- a/include/JSystem/JKernel/JKRDvdFile/JKRDvdFile.h
+++ b/include/JSystem/JKernel/JKRDvdFile/JKRDvdFile.h
@@ -6,7 +6,8 @@
 #include "dvd/dvd.h"
 #include "global.h"
 
-class DVDFileInfo;
+class JKRADCommand;
+class JSUFileInputStream;
 class JKRDvdFile : public JKRFile {
 public:
     JKRDvdFile();
@@ -17,11 +18,11 @@ public:
     void initiate(void);
     s32 sync(void);
 
-    int getFileID() const { return this->mFileID << 2; }
+    int getFileID() const { return this->file_info.start_address << 2; }
 
-    const u8* getFileInfo() const { return this->mDvdCommandBlock; }
+    const DVDFileInfo* getFileInfo() const { return &this->file_info; }
 
-    int getStatus() { return DVDGetCommandBlockStatus(&this->mDvdCommandBlock[0]); }
+    int getStatus() { return DVDGetCommandBlockStatus(&this->file_info); }
 
 public:
     /* vt[03] */ virtual bool open(char const*);                 /* override */
@@ -34,14 +35,14 @@ public:
 private:
     OSMutex mMutex1;
     OSMutex mMutex2;
-    u32 field_0x4c;
-    u32 field_0x50;
-    u32 field_0x54;
+    JKRADCommand* field_0x4c;
+    OSThread* field_0x50;
+    JSUFileInputStream* field_0x54;
     u32 field_0x58;
-    u8 mDvdCommandBlock[48];
-    s32 mFileID;
-    s32 mFileSize;
-    u32 field_0x94;
+    DVDFileInfo file_info;
+    // s32 mFileID;
+    // s32 mFileSize;
+    // u32 field_0x94;
     JKRDvdFile* mDvdFile;
     OSMessageQueue mQueue1;
     OSMessage mMessages1[1];
diff --git a/include/JSystem/JKernel/JKRDvdRipper/asm/func_802DA6D8.s b/include/JSystem/JKernel/JKRDvdRipper/asm/func_802DA6D8.s
index 59cb364ae4..a4934b2458 100644
--- a/include/JSystem/JKernel/JKRDvdRipper/asm/func_802DA6D8.s
+++ b/include/JSystem/JKernel/JKRDvdRipper/asm/func_802DA6D8.s
@@ -19,7 +19,7 @@ lbl_802DA710:
 lbl_802DA714:
 /* 802DA714 002D7654  7F 83 E3 78 */	mr r3, r28
 /* 802DA718 002D7658  7F A5 EB 78 */	mr r5, r29
-/* 802DA71C 002D765C  4B D2 8E 25 */	bl func_80003540
+/* 802DA71C 002D765C  4B D2 8E 25 */	bl memcpy
 /* 802DA720 002D7660  7F BC EA 14 */	add r29, r28, r29
 /* 802DA724 002D7664  80 0D 8E AC */	lwz r0, lbl_8045142C-_SDA_BASE_(r13)
 /* 802DA728 002D7668  7F DD 00 50 */	subf r30, r29, r0
diff --git a/include/JSystem/JKernel/JKRFileCache/asm/func_802D4F64.s b/include/JSystem/JKernel/JKRFileCache/asm/func_802D4F64.s
index 2aa0703277..9cf2764e95 100644
--- a/include/JSystem/JKernel/JKRFileCache/asm/func_802D4F64.s
+++ b/include/JSystem/JKernel/JKRFileCache/asm/func_802D4F64.s
@@ -42,7 +42,7 @@ lbl_802D4FF4:
 /* 802D4FF4 002D1F34  7F 83 E3 78 */	mr r3, r28
 /* 802D4FF8 002D1F38  80 84 00 1C */	lwz r4, 0x1c(r4)
 /* 802D4FFC 002D1F3C  7F C5 F3 78 */	mr r5, r30
-/* 802D5000 002D1F40  4B D2 E5 41 */	bl func_80003540
+/* 802D5000 002D1F40  4B D2 E5 41 */	bl memcpy
 /* 802D5004 002D1F44  4B FF FF 9C */	b lbl_802D4FA0
 lbl_802D5008:
 /* 802D5008 002D1F48  80 6D 8D F0 */	lwz r3, lbl_80451370-_SDA_BASE_(r13)
diff --git a/include/JSystem/JKernel/JKRMemArchive/asm/func_802D6E10.s b/include/JSystem/JKernel/JKRMemArchive/asm/func_802D6E10.s
index 2e5a23f182..5464766f70 100644
--- a/include/JSystem/JKernel/JKRMemArchive/asm/func_802D6E10.s
+++ b/include/JSystem/JKernel/JKRMemArchive/asm/func_802D6E10.s
@@ -18,7 +18,7 @@ lbl_802D6E40:
 /* 802D6E48 002D3D88  41 82 00 14 */	beq lbl_802D6E5C
 /* 802D6E4C 002D3D8C  7F A3 EB 78 */	mr r3, r29
 /* 802D6E50 002D3D90  7F E5 FB 78 */	mr r5, r31
-/* 802D6E54 002D3D94  4B D2 C6 ED */	bl func_80003540
+/* 802D6E54 002D3D94  4B D2 C6 ED */	bl memcpy
 /* 802D6E58 002D3D98  48 00 00 50 */	b lbl_802D6EA8
 lbl_802D6E5C:
 /* 802D6E5C 002D3D9C  80 06 00 04 */	lwz r0, 4(r6)
diff --git a/include/JSystem/JKernel/JKRMemArchive/asm/func_802D6F5C.s b/include/JSystem/JKernel/JKRMemArchive/asm/func_802D6F5C.s
index d77400871b..7f6f9b4032 100644
--- a/include/JSystem/JKernel/JKRMemArchive/asm/func_802D6F5C.s
+++ b/include/JSystem/JKernel/JKRMemArchive/asm/func_802D6F5C.s
@@ -20,7 +20,7 @@ lbl_802D6F98:
 /* 802D6F98 002D3ED8  7C A3 2B 78 */	mr r3, r5
 /* 802D6F9C 002D3EDC  7D 04 43 78 */	mr r4, r8
 /* 802D6FA0 002D3EE0  7F E5 FB 78 */	mr r5, r31
-/* 802D6FA4 002D3EE4  4B D2 C5 9D */	bl func_80003540
+/* 802D6FA4 002D3EE4  4B D2 C5 9D */	bl memcpy
 /* 802D6FA8 002D3EE8  7F E3 FB 78 */	mr r3, r31
 /* 802D6FAC 002D3EEC  48 00 00 70 */	b lbl_802D701C
 lbl_802D6FB0:
diff --git a/include/d/d_attention/asm/func_80071240.s b/include/d/d_attention/asm/func_80071240.s
index 413867e42b..2342ab4989 100644
--- a/include/d/d_attention/asm/func_80071240.s
+++ b/include/d/d_attention/asm/func_80071240.s
@@ -21,7 +21,7 @@
 /* 80071290 0006E1D0  38 84 03 38 */ addi r4, r4, 0x338
 /* 80071294 0006E1D4  7C 9F 22 14 */ add r4, r31, r4
 /* 80071298 0006E1D8  38 A0 00 14 */ li r5, 0x14
-/* 8007129C 0006E1DC  4B F9 22 A5 */ bl func_80003540
+/* 8007129C 0006E1DC  4B F9 22 A5 */ bl memcpy
 /* 800712A0 0006E1E0  C0 02 8C 50 */ lfs f0, lbl_80452650-_SDA2_BASE_(r2)
 /* 800712A4 0006E1E4  D0 1F 03 38 */ stfs f0, 0x338(r31)
 lbl_800712A8:
diff --git a/include/d/d_attention/asm/func_800716B8.s b/include/d/d_attention/asm/func_800716B8.s
index faaa882703..c8dd29dc2d 100644
--- a/include/d/d_attention/asm/func_800716B8.s
+++ b/include/d/d_attention/asm/func_800716B8.s
@@ -30,15 +30,15 @@ lbl_80071710:
 /* 80071724 0006E664  38 61 00 08 */ addi r3, r1, 8
 /* 80071728 0006E668  7F 44 D3 78 */ mr r4, r26
 /* 8007172C 0006E66C  38 A0 00 14 */ li r5, 0x14
-/* 80071730 0006E670  4B F9 1E 11 */ bl func_80003540
+/* 80071730 0006E670  4B F9 1E 11 */ bl memcpy
 /* 80071734 0006E674  7F 43 D3 78 */ mr r3, r26
 /* 80071738 0006E678  7F 64 DB 78 */ mr r4, r27
 /* 8007173C 0006E67C  38 A0 00 14 */ li r5, 0x14
-/* 80071740 0006E680  4B F9 1E 01 */ bl func_80003540
+/* 80071740 0006E680  4B F9 1E 01 */ bl memcpy
 /* 80071744 0006E684  7F 63 DB 78 */ mr r3, r27
 /* 80071748 0006E688  38 81 00 08 */ addi r4, r1, 8
 /* 8007174C 0006E68C  38 A0 00 14 */ li r5, 0x14
-/* 80071750 0006E690  4B F9 1D F1 */ bl func_80003540
+/* 80071750 0006E690  4B F9 1D F1 */ bl memcpy
 lbl_80071754:
 /* 80071754 0006E694  3A F7 00 01 */ addi r23, r23, 1
 /* 80071758 0006E698  3B DE 00 14 */ addi r30, r30, 0x14
@@ -71,15 +71,15 @@ lbl_8007179C:
 /* 800717B0 0006E6F0  38 61 00 08 */ addi r3, r1, 8
 /* 800717B4 0006E6F4  7F 44 D3 78 */ mr r4, r26
 /* 800717B8 0006E6F8  38 A0 00 14 */ li r5, 0x14
-/* 800717BC 0006E6FC  4B F9 1D 85 */ bl func_80003540
+/* 800717BC 0006E6FC  4B F9 1D 85 */ bl memcpy
 /* 800717C0 0006E700  7F 43 D3 78 */ mr r3, r26
 /* 800717C4 0006E704  7F 64 DB 78 */ mr r4, r27
 /* 800717C8 0006E708  38 A0 00 14 */ li r5, 0x14
-/* 800717CC 0006E70C  4B F9 1D 75 */ bl func_80003540
+/* 800717CC 0006E70C  4B F9 1D 75 */ bl memcpy
 /* 800717D0 0006E710  7F 63 DB 78 */ mr r3, r27
 /* 800717D4 0006E714  38 81 00 08 */ addi r4, r1, 8
 /* 800717D8 0006E718  38 A0 00 14 */ li r5, 0x14
-/* 800717DC 0006E71C  4B F9 1D 65 */ bl func_80003540
+/* 800717DC 0006E71C  4B F9 1D 65 */ bl memcpy
 lbl_800717E0:
 /* 800717E0 0006E720  3A D6 00 01 */ addi r22, r22, 1
 /* 800717E4 0006E724  3B BD 00 14 */ addi r29, r29, 0x14
@@ -111,15 +111,15 @@ lbl_80071828:
 /* 8007183C 0006E77C  38 61 00 08 */ addi r3, r1, 8
 /* 80071840 0006E780  7F 44 D3 78 */ mr r4, r26
 /* 80071844 0006E784  38 A0 00 14 */ li r5, 0x14
-/* 80071848 0006E788  4B F9 1C F9 */ bl func_80003540
+/* 80071848 0006E788  4B F9 1C F9 */ bl memcpy
 /* 8007184C 0006E78C  7F 43 D3 78 */ mr r3, r26
 /* 80071850 0006E790  7F 64 DB 78 */ mr r4, r27
 /* 80071854 0006E794  38 A0 00 14 */ li r5, 0x14
-/* 80071858 0006E798  4B F9 1C E9 */ bl func_80003540
+/* 80071858 0006E798  4B F9 1C E9 */ bl memcpy
 /* 8007185C 0006E79C  7F 63 DB 78 */ mr r3, r27
 /* 80071860 0006E7A0  38 81 00 08 */ addi r4, r1, 8
 /* 80071864 0006E7A4  38 A0 00 14 */ li r5, 0x14
-/* 80071868 0006E7A8  4B F9 1C D9 */ bl func_80003540
+/* 80071868 0006E7A8  4B F9 1C D9 */ bl memcpy
 lbl_8007186C:
 /* 8007186C 0006E7AC  3A F7 00 01 */ addi r23, r23, 1
 /* 80071870 0006E7B0  3B DE 00 14 */ addi r30, r30, 0x14
diff --git a/include/d/d_kankyo/asm/func_801A4420.s b/include/d/d_kankyo/asm/func_801A4420.s
index 535361b7b2..6e1ba081fe 100644
--- a/include/d/d_kankyo/asm/func_801A4420.s
+++ b/include/d/d_kankyo/asm/func_801A4420.s
@@ -528,7 +528,7 @@ lbl_801A4BBC:
 /* 801A4BE0 001A1B20  38 63 00 18 */ addi r3, r3, 0x18
 /* 801A4BE4 001A1B24  38 84 10 AC */ addi r4, r4, 0x10ac
 /* 801A4BE8 001A1B28  38 A0 00 14 */ li r5, 0x14
-/* 801A4BEC 001A1B2C  4B E5 E9 55 */ bl func_80003540
+/* 801A4BEC 001A1B2C  4B E5 E9 55 */ bl memcpy
 lbl_801A4BF0:
 /* 801A4BF0 001A1B30  39 61 00 90 */ addi r11, r1, 0x90
 /* 801A4BF4 001A1B34  48 1B D6 19 */ bl _restgpr_22
diff --git a/include/d/d_kankyo/asm/func_801A7A40.s b/include/d/d_kankyo/asm/func_801A7A40.s
index 227013f229..6143b510a4 100644
--- a/include/d/d_kankyo/asm/func_801A7A40.s
+++ b/include/d/d_kankyo/asm/func_801A7A40.s
@@ -13,7 +13,7 @@
 /* 801A7A70 001A49B0  38 63 07 64 */ addi r3, r3, 0x764
 /* 801A7A74 001A49B4  7C A4 2B 78 */ mr r4, r5
 /* 801A7A78 001A49B8  38 A0 00 20 */ li r5, 0x20
-/* 801A7A7C 001A49BC  4B E5 BA C5 */ bl func_80003540
+/* 801A7A7C 001A49BC  4B E5 BA C5 */ bl memcpy
 /* 801A7A80 001A49C0  38 9E 00 01 */ addi r4, r30, 1
 /* 801A7A84 001A49C4  3C 60 80 43 */ lis r3, lbl_8042CA54@ha
 /* 801A7A88 001A49C8  38 03 CA 54 */ addi r0, r3, lbl_8042CA54@l
diff --git a/include/d/d_meter2/d_meter2_info/asm/func_8021C250.s b/include/d/d_meter2/d_meter2_info/asm/func_8021C250.s
index f6360c462b..9ba9114fb8 100644
--- a/include/d/d_meter2/d_meter2_info/asm/func_8021C250.s
+++ b/include/d/d_meter2/d_meter2_info/asm/func_8021C250.s
@@ -50,7 +50,7 @@ lbl_8021C2DC:
 /* 8021C30C 0021924C  7F E3 FB 78 */ mr r3, r31
 /* 8021C310 00219250  38 9B 00 10 */ addi r4, r27, 0x10
 /* 8021C314 00219254  38 A0 00 14 */ li r5, 0x14
-/* 8021C318 00219258  4B DE 72 29 */ bl func_80003540
+/* 8021C318 00219258  4B DE 72 29 */ bl memcpy
 /* 8021C31C 0021925C  48 00 00 3C */ b lbl_8021C358
 lbl_8021C320:
 /* 8021C320 00219260  38 C6 00 01 */ addi r6, r6, 1
diff --git a/include/d/d_meter2/d_meter2_info/asm/func_8021C370.s b/include/d/d_meter2/d_meter2_info/asm/func_8021C370.s
index 0550f332a2..5fab653968 100644
--- a/include/d/d_meter2/d_meter2_info/asm/func_8021C370.s
+++ b/include/d/d_meter2/d_meter2_info/asm/func_8021C370.s
@@ -103,7 +103,7 @@ lbl_8021C4D8:
 /* 8021C4E0 00219420  7F E3 FB 78 */ mr r3, r31
 /* 8021C4E4 00219424  38 85 00 10 */ addi r4, r5, 0x10
 /* 8021C4E8 00219428  38 A0 00 14 */ li r5, 0x14
-/* 8021C4EC 0021942C  4B DE 70 55 */ bl func_80003540
+/* 8021C4EC 0021942C  4B DE 70 55 */ bl memcpy
 /* 8021C4F0 00219430  48 00 00 3C */ b lbl_8021C52C
 lbl_8021C4F4:
 /* 8021C4F4 00219434  38 E7 00 01 */ addi r7, r7, 1
diff --git a/include/d/d_meter2/d_meter2_info/asm/func_8021C544.s b/include/d/d_meter2/d_meter2_info/asm/func_8021C544.s
index 986d0bc7e3..33c4d3ca62 100644
--- a/include/d/d_meter2/d_meter2_info/asm/func_8021C544.s
+++ b/include/d/d_meter2/d_meter2_info/asm/func_8021C544.s
@@ -70,7 +70,7 @@ lbl_8021C638:
 /* 8021C640 00219580  7F E3 FB 78 */ mr r3, r31
 /* 8021C644 00219584  38 84 00 10 */ addi r4, r4, 0x10
 /* 8021C648 00219588  38 A0 00 14 */ li r5, 0x14
-/* 8021C64C 0021958C  4B DE 6E F5 */ bl func_80003540
+/* 8021C64C 0021958C  4B DE 6E F5 */ bl memcpy
 /* 8021C650 00219590  48 00 00 3C */ b lbl_8021C68C
 lbl_8021C654:
 /* 8021C654 00219594  38 E7 00 01 */ addi r7, r7, 1
diff --git a/include/d/d_save/d_save/asm/func_80035798.s b/include/d/d_save/d_save/asm/func_80035798.s
index 2f10db059e..3996d8debe 100644
--- a/include/d/d_save/d_save/asm/func_80035798.s
+++ b/include/d/d_save/d_save/asm/func_80035798.s
@@ -107,7 +107,7 @@ lbl_80035928:
 /* 80035934 00032874  7F 83 E3 78 */	mr r3, r28
 /* 80035938 00032878  7F 04 C3 78 */	mr r4, r24
 /* 8003593C 0003287C  38 A0 09 58 */	li r5, 0x958
-/* 80035940 00032880  4B FC DC 01 */	bl func_80003540
+/* 80035940 00032880  4B FC DC 01 */	bl memcpy
 /* 80035944 00032884  3C 60 80 38 */	lis r3, lbl_80379234@ha
 /* 80035948 00032888  38 63 92 34 */	addi r3, r3, lbl_80379234@l
 /* 8003594C 0003288C  38 63 00 29 */	addi r3, r3, 0x29
diff --git a/include/d/d_save/d_save/asm/func_80035A04.s b/include/d/d_save/d_save/asm/func_80035A04.s
index d444f167a1..eea46745ab 100644
--- a/include/d/d_save/d_save/asm/func_80035A04.s
+++ b/include/d/d_save/d_save/asm/func_80035A04.s
@@ -8,7 +8,7 @@
 /* 80035A20 00032960  3C 60 80 40 */	lis r3, g_dComIfG_gameInfo@ha
 /* 80035A24 00032964  38 63 61 C0 */	addi r3, r3, g_dComIfG_gameInfo@l
 /* 80035A28 00032968  38 A0 09 58 */	li r5, 0x958
-/* 80035A2C 0003296C  4B FC DB 15 */	bl func_80003540
+/* 80035A2C 0003296C  4B FC DB 15 */	bl memcpy
 /* 80035A30 00032970  48 30 AB 61 */	bl OSGetSoundMode
 /* 80035A34 00032974  28 03 00 00 */	cmplwi r3, 0
 /* 80035A38 00032978  40 82 00 28 */	bne lbl_80035A60
diff --git a/include/d/d_save/d_save/asm/func_80035BD0.s b/include/d/d_save/d_save/asm/func_80035BD0.s
index 8b41f155c9..d2f6415a33 100644
--- a/include/d/d_save/d_save/asm/func_80035BD0.s
+++ b/include/d/d_save/d_save/asm/func_80035BD0.s
@@ -31,7 +31,7 @@
 /* 80035C48 00032B88  7F E3 FB 78 */	mr r3, r31
 /* 80035C4C 00032B8C  38 81 00 08 */	addi r4, r1, 8
 /* 80035C50 00032B90  38 A0 09 58 */	li r5, 0x958
-/* 80035C54 00032B94  4B FC D8 ED */	bl func_80003540
+/* 80035C54 00032B94  4B FC D8 ED */	bl memcpy
 /* 80035C58 00032B98  3C 60 80 38 */	lis r3, lbl_80379234@ha
 /* 80035C5C 00032B9C  38 63 92 34 */	addi r3, r3, lbl_80379234@l
 /* 80035C60 00032BA0  38 63 00 54 */	addi r3, r3, 0x54
diff --git a/include/d/d_save/d_save_HIO/asm/func_8025BB78.s b/include/d/d_save/d_save_HIO/asm/func_8025BB78.s
index 626d263085..a40aad1368 100644
--- a/include/d/d_save/d_save_HIO/asm/func_8025BB78.s
+++ b/include/d/d_save/d_save_HIO/asm/func_8025BB78.s
@@ -1,5 +1,5 @@
-/* 8025BB78 00258AB8  3C 80 80 3C */	lis r4, lbl_803C3384@ha
-/* 8025BB7C 00258ABC  38 04 33 84 */	addi r0, r4, lbl_803C3384@l
+/* 8025BB78 00258AB8  3C 80 80 3C */	lis r4, HeapCheckTable@ha
+/* 8025BB7C 00258ABC  38 04 33 84 */	addi r0, r4, HeapCheckTable@l
 /* 8025BB80 00258AC0  90 03 00 00 */	stw r0, 0(r3)
 /* 8025BB84 00258AC4  38 C0 00 00 */	li r6, 0
 /* 8025BB88 00258AC8  38 80 00 00 */	li r4, 0
diff --git a/include/d/d_save/d_save_HIO/d_save_HIO.h b/include/d/d_save/d_save_HIO/d_save_HIO.h
index 8d133e4af0..4438514f66 100644
--- a/include/d/d_save/d_save_HIO/d_save_HIO.h
+++ b/include/d/d_save/d_save_HIO/d_save_HIO.h
@@ -2,6 +2,7 @@
 #define D_SAVE_HIO_H_
 
 #include "dolphin/types.h"
+#include "m_Do/m_Do_main/m_Do_main.h"
 
 struct dSvBit_childSwPerfectionHIO_c_vtable {
     u32* unk0;
diff --git a/include/dvd/dvd.h b/include/dvd/dvd.h
index c85048ed7d..aecba905e2 100644
--- a/include/dvd/dvd.h
+++ b/include/dvd/dvd.h
@@ -20,15 +20,50 @@ typedef enum DVDState {
 } DVDState;
 }
 
-class DVDFileInfo;
+class DVDDiskID {
+    char game_name[4];
+    char company[2];
+    u8 disk_number;
+    u8 game_version;
+    u8 is_streaming;
+    u8 streaming_buffer_size;
+    u8 padding[22];
+};
+
+class DVDCommandBlock {
+public:
+    DVDCommandBlock* next;
+    DVDCommandBlock* previous;
+    u32 command;
+    s32 state;
+    u32 offset;
+    u32 length;
+    void* buffer;
+    u32 current_transfer_size;
+    u32 transferred_size;
+    DVDDiskID* disk_id;
+    u8 callback[4];
+    void* user_data;
+};
+
+//typedef void (*DVDCallback)(u32 result, DVDFileInfo *info);
+
+class DVDFileInfo {
+public:
+    DVDCommandBlock block;
+    u32 start_address;
+    u32 length;
+    u8 callback[4];
+};
+
 extern "C" {
-s32 DVDOpen(const char*, u8[48]);
-s32 DVDClose(u8[48]);
-void DVDReadPrio(void);
+s32 DVDOpen(const char*, DVDFileInfo*);
+s32 DVDClose(DVDFileInfo*);
+void DVDReadPrio(DVDFileInfo*, void*, s32, s32, s32);
 void DVDGetCurrentDiskID(void);
-s32 DVDFastOpen(long, u8[48]);
-int DVDGetCommandBlockStatus(u8[48]);
-s32 DVDReadAsyncPrio(u8[48], void*, long, long, void (*)(long, DVDFileInfo*), long);
+s32 DVDFastOpen(long, DVDFileInfo*);
+int DVDGetCommandBlockStatus(DVDFileInfo*);
+s32 DVDReadAsyncPrio(DVDFileInfo*, void*, long, long, void (*)(long, DVDFileInfo*), long);
 void DVDConvertPathToEntrynum(void);
 DVDState DVDGetDriveStatus(void);
 s32 DVDCheckDisk(void);
diff --git a/include/functions.h b/include/functions.h
index fde457c3c2..2b59245463 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -88,7 +88,6 @@ void off__15dSv_zoneActor_cFi(void);
 void is__15dSv_zoneActor_cCFi(void);
 void onEventBit__11dSv_event_cFUs(void);
 void func_8036687C(void);
-void func_80003540(void);
 void func_80362324(void);
 void countUsed__FP10JKRExpHeap(void);
 void JUTReport(void);
@@ -156,7 +155,7 @@ void JUTWarningConsole(void);
 void JUTWarningConsole_f(void);
 void VIWaitForRetrace(void);
 void func_80361C24(void);
-void func_80003540(void);
+void memcpy(void*,void*,int);
 void func_80365470(void);
 void func_803688DC(void);
 void func_80368ABC(void);
@@ -179,14 +178,12 @@ void JKRDvdRipper_NS_loadToMainRAM_X1_(void);
 void func_80003458(void);
 void func_803650D0(void);
 void JKRDecomp_NS_orderSync(void);
-void func_80003540(void);
 void JKRAramHeap_NS_alloc(void);
 void JKRAram_NS_aramToMainRam(void);
 void JKRDvdAramRipper_NS_loadToAram(void);
 void JKRAram_NS_mainRamToAram(void);
 void JKRAramPiece_NS_sendCommand(void);
 void __RAS_OSDisableInterrupts_begin(void);
-void func_80003540(void);
 void func_80361C24(void);
 void JSUInputStream_NS_read(void);
 void JSURandomInputStream_NS_seek(void);
@@ -307,7 +304,6 @@ void is__15dSv_zoneActor_cCFi(void);
 
 void onEventBit__11dSv_event_cFUs(void);
 void func_8036687C(void);
-void func_80003540(void);
 void func_80362324(void);
 
 void countUsed__FP10JKRExpHeap(void);
@@ -380,7 +376,6 @@ void JUTWarningConsole_f(void);
 
 void func_80361C24(void);
 
-void func_80003540(void);
 void func_80365470(void);
 void func_803688DC(void);
 void func_80368ABC(void);
@@ -406,7 +401,6 @@ void func_80003458(void);
 void func_803650D0(void);
 
 void JKRDecomp_NS_orderSync(void);
-void func_80003540(void);
 
 void JKRAramHeap_NS_alloc(void);
 void JKRAram_NS_aramToMainRam(void);
@@ -415,7 +409,6 @@ void JKRAram_NS_mainRamToAram(void);
 void JKRAramPiece_NS_sendCommand(void);
 
 void __RAS_OSDisableInterrupts_begin(void);
-void func_80003540(void);
 void func_80361C24(void);
 
 void JSUInputStream_NS_read(void);
@@ -449,22 +442,22 @@ void common_init__6JUTXfbFl(void);
 }
 
 // DVD
-class DVDFileInfo;
-extern "C" {
-s32 DVDOpen(const char*, u8[48]);
-s32 DVDClose(u8[48]);
-void DVDReadPrio(void);
-void DVDGetCurrentDiskID(void);
-s32 DVDFastOpen(long, u8[48]);
-int DVDGetCommandBlockStatus(u8[48]);
-s32 DVDReadAsyncPrio(u8[48], void*, long, long, void (*)(long, DVDFileInfo*), long);
-void DVDConvertPathToEntrynum(void);
+// class DVDFileInfo;
+// extern "C" {
+// s32 DVDOpen(const char*, DVDFileInfo*);
+// s32 DVDClose(DVDFileInfo*);
+// void DVDReadPrio(DVDFileInfo*, void*, s32, s32, s32);
+// void DVDGetCurrentDiskID(void);
+// s32 DVDFastOpen(long, u8[48]);
+// int DVDGetCommandBlockStatus(u8[48]);
+// s32 DVDReadAsyncPrio(u8[48], void*, long, long, void (*)(long, DVDFileInfo*), long);
+// void DVDConvertPathToEntrynum(void);
 
-void DVDChangeDir(void);
-void DVDCloseDir(void);
-void DVDOpenDir(void);
-void DVDReadDir(void);
-}
+// void DVDChangeDir(void);
+// void DVDCloseDir(void);
+// void DVDOpenDir(void);
+// void DVDReadDir(void);
+// }
 
 class mDoCPd_c;
 extern "C" {
diff --git a/include/m_Do/m_Do_main/asm/func_8000614C.s b/include/m_Do/m_Do_main/asm/func_8000614C.s
index 846283d09c..1116931cac 100644
--- a/include/m_Do/m_Do_main/asm/func_8000614C.s
+++ b/include/m_Do/m_Do_main/asm/func_8000614C.s
@@ -21,7 +21,7 @@
 /* 8000619C 000030DC  38 63 2E E0 */	addi r3, r3, lbl_803A2EE0@l
 /* 800061A0 000030E0  38 81 00 20 */	addi r4, r1, 0x20
 /* 800061A4 000030E4  38 A0 00 11 */	li r5, 0x11
-/* 800061A8 000030E8  4B FF D3 99 */	bl func_80003540
+/* 800061A8 000030E8  4B FF D3 99 */	bl memcpy
 /* 800061AC 000030EC  38 61 00 40 */	addi r3, r1, 0x40
 /* 800061B0 000030F0  48 34 27 A9 */	bl DVDClose
 lbl_800061B4:
diff --git a/include/m_Do/m_Do_main/m_Do_main.h b/include/m_Do/m_Do_main/m_Do_main.h
index 302c5c188f..90086a1cd8 100644
--- a/include/m_Do/m_Do_main/m_Do_main.h
+++ b/include/m_Do/m_Do_main/m_Do_main.h
@@ -7,6 +7,9 @@ public:
     void CheckHeap1(void);
     s32 getUsedCount(void) const;
     void heapDisplay(void) const;
+    u32& getUsedCountRef() { return used_count; }
+    u32& getTotalUsedSizeRef() { return total_used_size; }
+    JKRExpHeap* getHeap() { return heap; }
 
 private:
     char* names[2];
@@ -17,4 +20,6 @@ private:
     u32 heap_size;
     u32 used_count;
     u32 total_used_size;
-};
\ No newline at end of file
+};
+
+extern HeapCheck* HeapCheckTable[8];
\ No newline at end of file
diff --git a/include/variables.h b/include/variables.h
index c76d3e67c3..2bd4665b05 100644
--- a/include/variables.h
+++ b/include/variables.h
@@ -9,7 +9,6 @@ extern char lbl_80379234[0x64];
 extern char lbl_803739A0[0x310];
 extern void* lbl_80451368;
 extern u32 _sRumbleSupported;
-extern u8 lbl_803C3384;
 extern u8 lbl_803A2EF4;
 extern u8 lbl_803A2EE0;
 extern u8 lbl_80450B19;
diff --git a/libs/JSystem/JKernel/JKRDvdFile.cpp b/libs/JSystem/JKernel/JKRDvdFile.cpp
index a17dddd9e1..c3e23b5bbf 100644
--- a/libs/JSystem/JKernel/JKRDvdFile.cpp
+++ b/libs/JSystem/JKernel/JKRDvdFile.cpp
@@ -57,7 +57,7 @@ void JKRDvdFile::initiate(void) {
 // #include "JSystem/JKernel/JKRDvdFile/asm/func_802D9850.s"
 bool JKRDvdFile::open(char const* param_1) {
     if (!this->mIsAvailable) {
-        this->mIsAvailable = DVDOpen(param_1, this->mDvdCommandBlock);
+        this->mIsAvailable = DVDOpen(param_1, &this->file_info);
         if (this->mIsAvailable) {
             lbl_8043436C.append(&this->mDvdLink);
             this->getStatus();
@@ -69,7 +69,7 @@ bool JKRDvdFile::open(char const* param_1) {
 // #include "JSystem/JKernel/JKRDvdFile/asm/func_802D98C4.s"
 bool JKRDvdFile::open(long param_1) {
     if (!this->mIsAvailable) {
-        this->mIsAvailable = DVDFastOpen(param_1, this->mDvdCommandBlock);
+        this->mIsAvailable = DVDFastOpen(param_1, &this->file_info);
         if (this->mIsAvailable) {
             lbl_8043436C.append(&this->mDvdLink);
             this->getStatus();
@@ -81,7 +81,7 @@ bool JKRDvdFile::open(long param_1) {
 // #include "JSystem/JKernel/JKRDvdFile/asm/func_802D9938.s"
 void JKRDvdFile::close() {
     if (this->mIsAvailable) {
-        s32 result = DVDClose(this->mDvdCommandBlock);
+        s32 result = DVDClose(&this->file_info);
         if (result != 0) {
             this->mIsAvailable = false;
             lbl_8043436C.remove(&this->mDvdLink);
@@ -109,7 +109,7 @@ s32 JKRDvdFile::readData(void* param_1, long length, long param_3) {
     this->mOSThread = OSGetCurrentThread();
 
     s32 result = -1;
-    s32 readAsyncResult = DVDReadAsyncPrio(this->mDvdCommandBlock, param_1, length, param_3,
+    s32 readAsyncResult = DVDReadAsyncPrio(&this->file_info, param_1, length, param_3,
                                            JKRDvdFile::doneProcess, 2);
     if (readAsyncResult) {
         result = this->sync();
@@ -145,5 +145,5 @@ void JKRDvdFile::doneProcess(long id, DVDFileInfo* fileInfo) {
 
 // #include "JSystem/JKernel/JKRDvdFile/asm/func_802D9AF8.s"
 s32 JKRDvdFile::getFileSize(void) const {
-    return this->mFileSize;
+    return this->file_info.length;
 }
diff --git a/src/m_Do/m_Do_main.cpp b/src/m_Do/m_Do_main.cpp
index 427d5d6a72..dbf281f51a 100644
--- a/src/m_Do/m_Do_main.cpp
+++ b/src/m_Do/m_Do_main.cpp
@@ -31,32 +31,26 @@ void HeapCheck::CheckHeap1(void) {
 }
 
 #ifdef NONMATCHING
-extern u8 lbl_803A2EF4[0x4c];
-extern u8 m_cpadInfo[0x100];
-
-void CheckHeap(u32 param_1) {
-    HeapCheck* currentHeap;
-    s32 unk;
-
+void CheckHeap(u32 controller_pad_no) {
     mDoMch_HeapCheckAll();
     OSCheckActiveThreads();
 
-    unk = 0;
+    bool unk = false;
 
-    if ((((m_cpadInfo + 0x30)[param_1 * 0x10] & 0xffffffef) == 0x60) &&
-        (((m_cpadInfo + 0x30)[param_1 * 0x10] & 0x10) != 0)) {
-        unk = 1;
+    // if L + R + Z is pressed...
+    if (((m_cpadInfo[controller_pad_no].mButtonFlags & ~0x10) == 0x60) && m_cpadInfo[controller_pad_no].mPressedButtonFlags & 0x10) {
+        unk = true;
     }
 
     for (int i = 0; i < 8; i++) {
-        ((HeapCheck*)lbl_803A2EF4[i])->CheckHeap1();
-
+        HeapCheckTable[i]->CheckHeap1();
         if (unk) {
-            currentHeap = (HeapCheck*)lbl_803A2EF4[i * 4];
-            s32 current_used_count = currentHeap->getUsedCount();
-            currentHeap->used_count = current_used_count;
-            s32 current_total_used_size = currentHeap->heap->getTotalUsedSize();
-            currentHeap->total_used_size = current_total_used_size;
+            HeapCheck* currentHeap = HeapCheckTable[i];
+            s32 used_count = currentHeap->getUsedCount();
+
+            currentHeap->getUsedCountRef() = used_count;
+            used_count = currentHeap->getHeap()->getTotalUsedSize();
+            currentHeap->getTotalUsedSizeRef() = used_count;
         }
     }
 }
@@ -122,16 +116,20 @@ asm void Debug_console(u32) {
 }
 
 #ifdef NONMATCHING
+extern u8 lbl_803739a0[0x310];
+extern char lbl_803a2ee0[20];
+extern void memcpy(void*,void*,int);
+
 void LOAD_COPYDATE(void*) {
     s32 dvd_status;
     char buffer[32];
     DVDFileInfo file_info;
 
-    dvd_status = DVDOpen(lbl_803739a0 + 0x283, &file_info);
+    dvd_status = DVDOpen((const char*)lbl_803739a0 + 0x283, &file_info);
 
     if (dvd_status) {
         DVDReadPrio(&file_info, buffer, 32, 0, 2);
-        memcpy(memcpy_string, buffer, 17);
+        memcpy(lbl_803a2ee0, buffer, 17);
         DVDClose(&file_info);
     }
     return;