diff --git a/src/game/file.c b/src/game/file.c
index e4b42df32..dd89a6295 100644
--- a/src/game/file.c
+++ b/src/game/file.c
@@ -52,7 +52,7 @@ void func0f166eb4(void *dst, u32 scratchlen, u32 *romaddrptr, struct fileinfo *i
 
 	if (scratchlen == 0) {
 		// DMA with no inflate
-		func0000d410(dst, (void *)*romaddrptr, romsize);
+		dmaExec(dst, (void *)*romaddrptr, romsize);
 	} else {
 		// DMA the compressed data to scratch space then inflate
 		u32 scratchaddr = ((u32)dst + scratchlen) - (romsize + 7 & 0xfffffff8);
@@ -60,7 +60,7 @@ void func0f166eb4(void *dst, u32 scratchlen, u32 *romaddrptr, struct fileinfo *i
 		if (scratchaddr - (u32)dst < 8) {
 			info->size = 0;
 		} else {
-			func0000d410((void *)scratchaddr, (void *)*romaddrptr, romsize);
+			dmaExec((void *)scratchaddr, (void *)*romaddrptr, romsize);
 			info->size = ALIGN16(rzipInflate((void *)scratchaddr, dst, buffer));
 		}
 	}
@@ -119,7 +119,7 @@ void func0f166ff0(u16 filenum, void *memaddr, s32 offset, u32 len)
 	u32 stack[2];
 
 	if (fileGetRomSizeByTableAddress((u32 *)&filetable[filenum])) {
-		func0000d410(memaddr, (void *)((u32)filetable[filenum] + offset), len);
+		dmaExec(memaddr, (void *)((u32)filetable[filenum] + offset), len);
 	}
 }
 
@@ -150,7 +150,7 @@ glabel fileGetInflatedLength
 /*  f1670ac:	00000000 */ 	nop
 .L0f1670b0:
 /*  f1670b0:	02012024 */ 	and	$a0,$s0,$at
-/*  f1670b4:	0c003504 */ 	jal	func0000d410
+/*  f1670b4:	0c003504 */ 	jal	dmaExec
 /*  f1670b8:	00808025 */ 	or	$s0,$a0,$zero
 .L0f1670bc:
 /*  f1670bc:	0c002277 */ 	jal	rzipIs1173
@@ -189,7 +189,7 @@ glabel fileGetInflatedLength
 //		stub0f175f58(func0f166ea8((u32 *) &filetable[filenum]), (u32)alignedbuffer, 16);
 //	} else {
 //		alignedbuffer = (u8 *)(((u32)alignedbuffer) & ~0xf);
-//		func0000d410((void *)alignedbuffer, romaddr, 0x40);
+//		dmaExec((void *)alignedbuffer, romaddr, 0x40);
 //	}
 //
 //	if (rzipIs1173((void *)alignedbuffer)) {
diff --git a/src/game/game_00b190.c b/src/game/game_00b190.c
index 30ee4bd38..d9f32472b 100644
--- a/src/game/game_00b190.c
+++ b/src/game/game_00b190.c
@@ -21,5 +21,5 @@ void loadTextureList(void)
 
 	g_Textures = malloc(len, MEMPOOL_PERMANENT);
 
-	func0000d410(g_Textures, &_textureslistSegmentRomStart, len);
+	dmaExec(g_Textures, &_textureslistSegmentRomStart, len);
 }
diff --git a/src/game/game_015470.c b/src/game/game_015470.c
index 4ad69098e..8cecfe215 100644
--- a/src/game/game_015470.c
+++ b/src/game/game_015470.c
@@ -700,7 +700,7 @@ void getitleInit(void *addr, u32 arg1)
 	var80062498 = 0;
 	var8009cc90 = addr;
 
-	func0000d410(var8009cc90, &_getitleSegmentRomStart, ALIGN64(len));
+	dmaExec(var8009cc90, &_getitleSegmentRomStart, ALIGN64(len));
 }
 
 Gfx *getitleRender(Gfx *gdl)
diff --git a/src/game/game_1531a0.c b/src/game/game_1531a0.c
index 48344da60..1e86567a4 100644
--- a/src/game/game_1531a0.c
+++ b/src/game/game_1531a0.c
@@ -85,7 +85,7 @@ void fontLoad(u8 *romstart, u8 *romend, struct font **font1, struct font2a4 **fo
 	struct font *font = malloc(len, MEMPOOL_STAGE);
 	struct font2a4 *font2a4 = font->unk2a4;
 
-	func0000d410(font, romstart, len);
+	dmaExec(font, romstart, len);
 
 	// Convert pointers
 	for (i = 0; i < 94; i++) {
diff --git a/src/game/lang.c b/src/game/lang.c
index cc913aac0..e02f1cd9c 100644
--- a/src/game/lang.c
+++ b/src/game/lang.c
@@ -221,7 +221,7 @@ glabel func0f16e3fc
 /*  f16e5c8:	0000c012 */ 	mflo	$t8
 /*  f16e5cc:	03192821 */ 	addu	$a1,$t8,$t9
 /*  f16e5d0:	afa80024 */ 	sw	$t0,0x24($sp)
-/*  f16e5d4:	0c003504 */ 	jal	func0000d410
+/*  f16e5d4:	0c003504 */ 	jal	dmaExec
 /*  f16e5d8:	010f2021 */ 	addu	$a0,$t0,$t7
 /*  f16e5dc:	3c0e800b */ 	lui	$t6,%hi(var800aabb4)
 /*  f16e5e0:	8fa80024 */ 	lw	$t0,0x24($sp)
@@ -273,7 +273,7 @@ glabel func0f16e3fc
 /*  f16e694:	2718fb40 */ 	addiu	$t8,$t8,-1216
 /*  f16e698:	000e79c0 */ 	sll	$t7,$t6,0x7
 /*  f16e69c:	01f82821 */ 	addu	$a1,$t7,$t8
-/*  f16e6a0:	0c003504 */ 	jal	func0000d410
+/*  f16e6a0:	0c003504 */ 	jal	dmaExec
 /*  f16e6a4:	afa80024 */ 	sw	$t0,0x24($sp)
 /*  f16e6a8:	3c19800b */ 	lui	$t9,%hi(var800aabb4)
 /*  f16e6ac:	8fa80024 */ 	lw	$t0,0x24($sp)
diff --git a/src/game/objectives/objectives.c b/src/game/objectives/objectives.c
index 5e998bf42..d6a69664b 100644
--- a/src/game/objectives/objectives.c
+++ b/src/game/objectives/objectives.c
@@ -106,7 +106,7 @@ void tagsAllocatePtrs(void)
 			// Read 4KB from a random ROM location within 128KB from the start of
 			// the ROM, and write it to a random memory location between 0x80010000
 			// and 0x80030ff8. This will corrupt instructions in the lib segment.
-			func0000d410((u8 *)((random() & 0x1fff8) + 0x80010000), (u8 *)(random() & 0x1fffe), 0x1000);
+			dmaExec((u8 *)((random() & 0x1fff8) + 0x80010000), (u8 *)(random() & 0x1fffe), 0x1000);
 		}
 	}
 #endif
diff --git a/src/game/propobj.c b/src/game/propobj.c
index 7d6b2baa5..aa9e23e05 100644
--- a/src/game/propobj.c
+++ b/src/game/propobj.c
@@ -32586,7 +32586,7 @@ glabel func0f082d74
 /*  f082da0:	afa50020 */ 	sw	$a1,0x20($sp)
 /*  f082da4:	00e02025 */ 	or	$a0,$a3,$zero
 /*  f082da8:	24060040 */ 	addiu	$a2,$zero,0x40
-/*  f082dac:	0c003504 */ 	jal	func0000d410
+/*  f082dac:	0c003504 */ 	jal	dmaExec
 /*  f082db0:	afa70074 */ 	sw	$a3,0x74($sp)
 /*  f082db4:	3c098007 */ 	lui	$t1,%hi(var8006abbc)
 /*  f082db8:	8129abbc */ 	lb	$t1,%lo(var8006abbc)($t1)
@@ -32613,7 +32613,7 @@ glabel func0f082d74
 /*  f082e04:	8faa0020 */ 	lw	$t2,0x20($sp)
 /*  f082e08:	afa30084 */ 	sw	$v1,0x84($sp)
 /*  f082e0c:	afa70074 */ 	sw	$a3,0x74($sp)
-/*  f082e10:	0c003504 */ 	jal	func0000d410
+/*  f082e10:	0c003504 */ 	jal	dmaExec
 /*  f082e14:	01482821 */ 	addu	$a1,$t2,$t0
 /*  f082e18:	3c098007 */ 	lui	$t1,%hi(var8006abbc)
 /*  f082e1c:	8129abbc */ 	lb	$t1,%lo(var8006abbc)($t1)
@@ -34951,7 +34951,7 @@ glabel func0f084cf0
 /*  f084de8:	39e4000f */ 	xori	$a0,$t7,0xf
 /*  f084dec:	00808025 */ 	or	$s0,$a0,$zero
 /*  f084df0:	00402825 */ 	or	$a1,$v0,$zero
-/*  f084df4:	0c003504 */ 	jal	func0000d410
+/*  f084df4:	0c003504 */ 	jal	dmaExec
 /*  f084df8:	24060010 */ 	addiu	$a2,$zero,0x10
 /*  f084dfc:	3c04c757 */ 	lui	$a0,0xc757
 /*  f084e00:	0fc21338 */ 	jal	add43214321
diff --git a/src/game/room.c b/src/game/room.c
index 69c8eb464..ec3d8d0c8 100644
--- a/src/game/room.c
+++ b/src/game/room.c
@@ -4032,7 +4032,7 @@ glabel func0f15b534
 /*  f15b7e0:	3c010001 */ 	lui	$at,0x1
 /*  f15b7e4:	3421fffe */ 	ori	$at,$at,0xfffe
 /*  f15b7e8:	00412824 */ 	and	$a1,$v0,$at
-/*  f15b7ec:	0c003504 */ 	jal	func0000d410
+/*  f15b7ec:	0c003504 */ 	jal	dmaExec
 /*  f15b7f0:	24060040 */ 	addiu	$a2,$zero,0x40
 .L0f15b7f4:
 /*  f15b7f4:	3c04800a */ 	lui	$a0,%hi(var800a491c)
diff --git a/src/game/texture.c b/src/game/texture.c
index ea67fb8b1..ad287bcee 100644
--- a/src/game/texture.c
+++ b/src/game/texture.c
@@ -5443,7 +5443,7 @@ glabel func0f173010
 /*  f173108:	00065902 */ 	srl	$t3,$a2,0x4
 /*  f17310c:	000b3100 */ 	sll	$a2,$t3,0x4
 /*  f173110:	032a2821 */ 	addu	$a1,$t9,$t2
-/*  f173114:	0c003504 */ 	jal	func0000d410
+/*  f173114:	0c003504 */ 	jal	dmaExec
 /*  f173118:	afaf0044 */ 	sw	$t7,0x44($sp)
 /*  f17311c:	8fa30044 */ 	lw	$v1,0x44($sp)
 /*  f173120:	8fac002c */ 	lw	$t4,0x2c($sp)
@@ -5805,7 +5805,7 @@ glabel texturesLoadConfigs
 /*  f173600:	ac620000 */ 	sw	$v0,0x0($v1)
 /*  f173604:	24a5b270 */ 	addiu	$a1,$a1,%lo(_textureconfigSegmentRomStart)
 /*  f173608:	00402025 */ 	or	$a0,$v0,$zero
-/*  f17360c:	0c003504 */ 	jal	func0000d410
+/*  f17360c:	0c003504 */ 	jal	dmaExec
 /*  f173610:	02203025 */ 	or	$a2,$s1,$zero
 /*  f173614:	3c18800b */ 	lui	$t8,%hi(g_TextureConfigSegment)
 /*  f173618:	8f18b554 */ 	lw	$t8,%lo(g_TextureConfigSegment)($t8)
@@ -6083,7 +6083,7 @@ glabel texturesLoadConfigs
 //	s32 i;
 //
 //	g_TextureConfigSegment = malloc(len, MEMPOOL_STAGE);
-//	func0000d410(g_TextureConfigSegment, &_textureconfigSegmentRomStart, len);
+//	dmaExec(g_TextureConfigSegment, &_textureconfigSegmentRomStart, len);
 //
 //	var800ab550 = (u32)((u32)g_TextureConfigSegment - (u32)&_textureconfigSegmentStart);
 //	var800ab564 = (Gfx *)((u32)g_TextureConfigSegment - (u32)&_textureconfigSegmentStart + 0x000); // gdl000
diff --git a/src/gvars/gvars.c b/src/gvars/gvars.c
index 30c5aac1d..8ce33a807 100644
--- a/src/gvars/gvars.c
+++ b/src/gvars/gvars.c
@@ -7164,10 +7164,10 @@ u32 var80094ad0 = 0;
 u32 var80094ad4 = 0;
 u32 var80094ad8 = 0;
 u32 var80094adc = 0;
-volatile u32 var80094ae0 = 0;
+volatile u32 g_DmaNumSlotsBusy = 0;
 u32 var80094ae4 = 0;
-struct var80094ae8 var80094ae8[32] = {0};
-u8 var80094de8[32] = {0};
+OSIoMesg g_DmaIoMsgs[32] = {0};
+u8 g_DmaSlotsBusy[32] = {0};
 OSMesg var80094e08 = NULL;
 u32 var80094e0c = 0;
 u32 var80094e10 = 0;
@@ -7200,7 +7200,7 @@ u32 var80094e78 = 0;
 u32 var80094e7c = 0;
 u32 var80094e80 = 0;
 u32 var80094e84 = 0;
-OSMesgQueue var80094e88 = {0};
+OSMesgQueue g_DmaMesgQueue = {0};
 u32 var80094ea0 = 0;
 u32 var80094ea4 = 0;
 u32 var80094ea8 = 0;
diff --git a/src/include/PR/os_pi.h b/src/include/PR/os_pi.h
index 0da1de6ba..815fb5901 100644
--- a/src/include/PR/os_pi.h
+++ b/src/include/PR/os_pi.h
@@ -61,7 +61,7 @@ typedef struct
     /*0x08*/ void *dramAddr;
     /*0x0C*/ u32 devAddr;
     /*0x10*/ u32 size;
-    //OSPiHandle *piHandle; //from the official definition
+    OSPiHandle *piHandle; //from the official definition
 } OSIoMesg;
 
 typedef struct {
diff --git a/src/include/gvars/gvars.h b/src/include/gvars/gvars.h
index 037b0dab2..e369874ab 100644
--- a/src/include/gvars/gvars.h
+++ b/src/include/gvars/gvars.h
@@ -391,11 +391,11 @@ extern OSThread g_FaultThread;
 extern u32 g_FaultSp;
 extern OSMesgQueue g_FaultMesgQueue;
 extern OSMesg g_FaultMesg;
-extern volatile u32 var80094ae0;
-extern struct var80094ae8 var80094ae8[32];
-extern u8 var80094de8[32];
+extern volatile u32 g_DmaNumSlotsBusy;
+extern OSIoMesg g_DmaIoMsgs[32];
+extern volatile u8 g_DmaSlotsBusy[32];
 extern OSMesg var80094e08;
-extern OSMesgQueue var80094e88;
+extern OSMesgQueue g_DmaMesgQueue;
 extern u32 var80094ea0;
 extern u32 var80094ea4;
 extern u32 var80094ea8;
diff --git a/src/include/lib/lib_0d0a0.h b/src/include/lib/lib_0d0a0.h
index fcbe25334..62fcf9d2f 100644
--- a/src/include/lib/lib_0d0a0.h
+++ b/src/include/lib/lib_0d0a0.h
@@ -4,13 +4,13 @@
 #include "types.h"
 
 void dmaInit(void);
-void func0000d0f8(void *memaddr, void *romaddr, u32 len, bool arg3);
+void dmaStart(void *memaddr, u32 romaddr, u32 len, bool priority);
 u32 xorDeadbeef(u32 value);
 u32 xorDeadbabe(u32 value);
 void dmaCheckPiracy(void *memaddr, u32 len);
-void func0000d350(void);
-void func0000d410(void *memaddr, void *romaddr, u32 len);
-void func0000d44c(void *memaddr, void *romaddr, u32 len);
+void dmaWait(void);
+void dmaExec(void *memaddr, void *romaddr, u32 len);
+void dmaExecHighPriority(void *memaddr, void *romaddr, u32 len);
 void *func0000d488(void *memaddr, void *romaddr, u32 len);
 
 #endif
diff --git a/src/include/types.h b/src/include/types.h
index 23c6d2dac..7f6de5100 100644
--- a/src/include/types.h
+++ b/src/include/types.h
@@ -6980,13 +6980,4 @@ struct animationdefinition {
 	u8 flags;
 };
 
-struct var80094ae8 {
-	u32 unk00;
-	u32 unk04;
-	u32 unk08;
-	u32 unk0c;
-	u32 unk10;
-	u32 unk14;
-};
-
 #endif
diff --git a/src/lib/lib_070d0.c b/src/lib/lib_070d0.c
index c496e8e6e..2b3deb868 100644
--- a/src/lib/lib_070d0.c
+++ b/src/lib/lib_070d0.c
@@ -87,7 +87,7 @@ glabel func000070d0
 /*     71d8:	02c0a025 */ 	or	$s4,$s6,$zero
 /*     71dc:	aea40000 */ 	sw	$a0,0x0($s5)
 /*     71e0:	02402825 */ 	or	$a1,$s2,$zero
-/*     71e4:	0c003504 */ 	jal	func0000d410
+/*     71e4:	0c003504 */ 	jal	dmaExec
 /*     71e8:	39c6000f */ 	xori	$a2,$t6,0xf
 /*     71ec:	240bfff0 */ 	addiu	$t3,$zero,-16
 /*     71f0:	12c0000c */ 	beqz	$s6,.L00007224
@@ -197,7 +197,7 @@ glabel func000070d0
 /*     7370:	39e6000f */ 	xori	$a2,$t7,0xf
 /*     7374:	02402825 */ 	or	$a1,$s2,$zero
 /*     7378:	afb61474 */ 	sw	$s6,0x1474($sp)
-/*     737c:	0c003504 */ 	jal	func0000d410
+/*     737c:	0c003504 */ 	jal	dmaExec
 /*     7380:	afb30054 */ 	sw	$s3,0x54($sp)
 /*     7384:	8fa31474 */ 	lw	$v1,0x1474($sp)
 /*     7388:	12c0000b */ 	beqz	$s6,.L000073b8
@@ -230,7 +230,7 @@ glabel func000070d0
 /*     73e8:	01e53023 */ 	subu	$a2,$t7,$a1
 /*     73ec:	24c6000f */ 	addiu	$a2,$a2,0xf
 /*     73f0:	34d8000f */ 	ori	$t8,$a2,0xf
-/*     73f4:	0c003504 */ 	jal	func0000d410
+/*     73f4:	0c003504 */ 	jal	dmaExec
 /*     73f8:	3b06000f */ 	xori	$a2,$t8,0xf
 /*     73fc:	8fa40048 */ 	lw	$a0,0x48($sp)
 /*     7400:	02402825 */ 	or	$a1,$s2,$zero
diff --git a/src/lib/lib_0d0a0.c b/src/lib/lib_0d0a0.c
index 7c4191d85..8ad1ef5b3 100644
--- a/src/lib/lib_0d0a0.c
+++ b/src/lib/lib_0d0a0.c
@@ -12,129 +12,59 @@
 #include "types.h"
 
 u8 g_LoadState = 0;
-u32 var8005d9a4 = 0x00000000;
-u32 var8005d9a8 = 0x00000000;
-u32 var8005d9ac = 0x00000000;
 
 void dmaInit(void)
 {
 	s32 i;
 
-	for (i = 0; i < ARRAYCOUNT(var80094de8); i++) {
-		var80094de8[i] = 0;
+	for (i = 0; i < ARRAYCOUNT(g_DmaSlotsBusy); i++) {
+		g_DmaSlotsBusy[i] = 0;
 	}
 
-	var80094ae0 = 0;
+	g_DmaNumSlotsBusy = 0;
 
-	osCreateMesgQueue(&var80094e88, &var80094e08, 0x20);
+	osCreateMesgQueue(&g_DmaMesgQueue, &var80094e08, 0x20);
 }
 
-GLOBAL_ASM(
-glabel func0000d0f8
-/*     d0f8:	27bdffa8 */ 	addiu	$sp,$sp,-88
-/*     d0fc:	afb70044 */ 	sw	$s7,0x44($sp)
-/*     d100:	3c178009 */ 	lui	$s7,%hi(var80094ae0)
-/*     d104:	26f74ae0 */ 	addiu	$s7,$s7,%lo(var80094ae0)
-/*     d108:	8eee0000 */ 	lw	$t6,0x0($s7)
-/*     d10c:	afb40038 */ 	sw	$s4,0x38($sp)
-/*     d110:	afb30034 */ 	sw	$s3,0x34($sp)
-/*     d114:	afb00028 */ 	sw	$s0,0x28($sp)
-/*     d118:	00c08025 */ 	or	$s0,$a2,$zero
-/*     d11c:	00809825 */ 	or	$s3,$a0,$zero
-/*     d120:	00a0a025 */ 	or	$s4,$a1,$zero
-/*     d124:	afbf004c */ 	sw	$ra,0x4c($sp)
-/*     d128:	afbe0048 */ 	sw	$s8,0x48($sp)
-/*     d12c:	afb60040 */ 	sw	$s6,0x40($sp)
-/*     d130:	afb5003c */ 	sw	$s5,0x3c($sp)
-/*     d134:	afb20030 */ 	sw	$s2,0x30($sp)
-/*     d138:	afb1002c */ 	sw	$s1,0x2c($sp)
-/*     d13c:	11c00003 */ 	beqz	$t6,.L0000d14c
-/*     d140:	afa70064 */ 	sw	$a3,0x64($sp)
-/*     d144:	0c0034d4 */ 	jal	func0000d350
-/*     d148:	00000000 */ 	nop
-.L0000d14c:
-/*     d14c:	3c010008 */ 	lui	$at,0x8
-/*     d150:	0201082b */ 	sltu	$at,$s0,$at
-/*     d154:	10200005 */ 	beqz	$at,.L0000d16c
-/*     d158:	02602025 */ 	or	$a0,$s3,$zero
-/*     d15c:	320f3fff */ 	andi	$t7,$s0,0x3fff
-/*     d160:	0010f382 */ 	srl	$s8,$s0,0xe
-/*     d164:	10000003 */ 	b	.L0000d174
-/*     d168:	afaf0050 */ 	sw	$t7,0x50($sp)
-.L0000d16c:
-/*     d16c:	0000f025 */ 	or	$s8,$zero,$zero
-/*     d170:	afb00050 */ 	sw	$s0,0x50($sp)
-.L0000d174:
-/*     d174:	0c013920 */ 	jal	osInvalDCache
-/*     d178:	02002825 */ 	or	$a1,$s0,$zero
-/*     d17c:	13c0001b */ 	beqz	$s8,.L0000d1ec
-/*     d180:	00009025 */ 	or	$s2,$zero,$zero
-/*     d184:	3c108009 */ 	lui	$s0,%hi(var80094de8)
-/*     d188:	3c118009 */ 	lui	$s1,%hi(var80094ae8)
-/*     d18c:	3c168009 */ 	lui	$s6,%hi(var80094e88)
-/*     d190:	26d64e88 */ 	addiu	$s6,$s6,%lo(var80094e88)
-/*     d194:	26314ae8 */ 	addiu	$s1,$s1,%lo(var80094ae8)
-/*     d198:	26104de8 */ 	addiu	$s0,$s0,%lo(var80094de8)
-/*     d19c:	24150001 */ 	addiu	$s5,$zero,0x1
-.L0000d1a0:
-/*     d1a0:	a2150000 */ 	sb	$s5,0x0($s0)
-/*     d1a4:	8ee20000 */ 	lw	$v0,0x0($s7)
-/*     d1a8:	24194000 */ 	addiu	$t9,$zero,0x4000
-/*     d1ac:	afb90014 */ 	sw	$t9,0x14($sp)
-/*     d1b0:	24580001 */ 	addiu	$t8,$v0,0x1
-/*     d1b4:	aef80000 */ 	sw	$t8,0x0($s7)
-/*     d1b8:	02202025 */ 	or	$a0,$s1,$zero
-/*     d1bc:	8fa50064 */ 	lw	$a1,0x64($sp)
-/*     d1c0:	00003025 */ 	or	$a2,$zero,$zero
-/*     d1c4:	02803825 */ 	or	$a3,$s4,$zero
-/*     d1c8:	afb30010 */ 	sw	$s3,0x10($sp)
-/*     d1cc:	0c01394c */ 	jal	osPiStartDma
-/*     d1d0:	afb60018 */ 	sw	$s6,0x18($sp)
-/*     d1d4:	26520001 */ 	addiu	$s2,$s2,0x1
-/*     d1d8:	26100001 */ 	addiu	$s0,$s0,0x1
-/*     d1dc:	26310018 */ 	addiu	$s1,$s1,0x18
-/*     d1e0:	26944000 */ 	addiu	$s4,$s4,0x4000
-/*     d1e4:	165effee */ 	bne	$s2,$s8,.L0000d1a0
-/*     d1e8:	26734000 */ 	addiu	$s3,$s3,0x4000
-.L0000d1ec:
-/*     d1ec:	8fa30050 */ 	lw	$v1,0x50($sp)
-/*     d1f0:	3c168009 */ 	lui	$s6,%hi(var80094e88)
-/*     d1f4:	26d64e88 */ 	addiu	$s6,$s6,%lo(var80094e88)
-/*     d1f8:	10600014 */ 	beqz	$v1,.L0000d24c
-/*     d1fc:	24150001 */ 	addiu	$s5,$zero,0x1
-/*     d200:	3c018009 */ 	lui	$at,%hi(var80094de8)
-/*     d204:	00320821 */ 	addu	$at,$at,$s2
-/*     d208:	a0354de8 */ 	sb	$s5,%lo(var80094de8)($at)
-/*     d20c:	8ee20000 */ 	lw	$v0,0x0($s7)
-/*     d210:	00124880 */ 	sll	$t1,$s2,0x2
-/*     d214:	01324823 */ 	subu	$t1,$t1,$s2
-/*     d218:	3c0a8009 */ 	lui	$t2,%hi(var80094ae8)
-/*     d21c:	254a4ae8 */ 	addiu	$t2,$t2,%lo(var80094ae8)
-/*     d220:	000948c0 */ 	sll	$t1,$t1,0x3
-/*     d224:	24480001 */ 	addiu	$t0,$v0,0x1
-/*     d228:	aee80000 */ 	sw	$t0,0x0($s7)
-/*     d22c:	012a2021 */ 	addu	$a0,$t1,$t2
-/*     d230:	8fa50064 */ 	lw	$a1,0x64($sp)
-/*     d234:	00003025 */ 	or	$a2,$zero,$zero
-/*     d238:	02803825 */ 	or	$a3,$s4,$zero
-/*     d23c:	afb30010 */ 	sw	$s3,0x10($sp)
-/*     d240:	afa30014 */ 	sw	$v1,0x14($sp)
-/*     d244:	0c01394c */ 	jal	osPiStartDma
-/*     d248:	afb60018 */ 	sw	$s6,0x18($sp)
-.L0000d24c:
-/*     d24c:	8fbf004c */ 	lw	$ra,0x4c($sp)
-/*     d250:	8fb00028 */ 	lw	$s0,0x28($sp)
-/*     d254:	8fb1002c */ 	lw	$s1,0x2c($sp)
-/*     d258:	8fb20030 */ 	lw	$s2,0x30($sp)
-/*     d25c:	8fb30034 */ 	lw	$s3,0x34($sp)
-/*     d260:	8fb40038 */ 	lw	$s4,0x38($sp)
-/*     d264:	8fb5003c */ 	lw	$s5,0x3c($sp)
-/*     d268:	8fb60040 */ 	lw	$s6,0x40($sp)
-/*     d26c:	8fb70044 */ 	lw	$s7,0x44($sp)
-/*     d270:	8fbe0048 */ 	lw	$s8,0x48($sp)
-/*     d274:	03e00008 */ 	jr	$ra
-/*     d278:	27bd0058 */ 	addiu	$sp,$sp,0x58
-);
+void dmaStart(void *memaddr, u32 romaddr, u32 len, bool priority)
+{
+	u32 numiterations;
+	u32 remainder;
+	s32 i;
+
+	if (g_DmaNumSlotsBusy) {
+		dmaWait();
+	}
+
+	if (len < 0x4000 * ARRAYCOUNT(g_DmaIoMsgs)) {
+		numiterations = len / 0x4000;
+		remainder = len % 0x4000;
+	} else {
+		// DMA size is 0x80000 or more. It won't fit in the queue, so do it
+		// all in one call to osPiStartDma using the remainder variable.
+		numiterations = 0;
+		remainder = len;
+	}
+
+	osInvalDCache(memaddr, len);
+
+	for (i = 0; i != numiterations; i++) {
+		g_DmaSlotsBusy[i] = true;
+		g_DmaNumSlotsBusy++;
+
+		osPiStartDma(&g_DmaIoMsgs[i], priority, 0, romaddr, memaddr, 0x4000, &g_DmaMesgQueue);
+
+		romaddr += 0x4000;
+		memaddr = (void *)((u32)memaddr + 0x4000);
+	}
+
+	if (remainder) {
+		g_DmaSlotsBusy[i] = true;
+		g_DmaNumSlotsBusy++;
+
+		osPiStartDma(&g_DmaIoMsgs[i], priority, 0, romaddr, memaddr, remainder, &g_DmaMesgQueue);
+	}
+}
 
 u32 xorDeadbeef(u32 value)
 {
@@ -178,37 +108,37 @@ void dmaCheckPiracy(void *memaddr, u32 len)
 	}
 }
 
-void func0000d350(void)
+void dmaWait(void)
 {
 	u32 stack;
-	struct var80094ae8 *msg;
+	OSIoMesg *msg;
 	s32 i;
 
-	while (var80094ae0) {
-		osRecvMesg(&var80094e88, (OSMesg) &msg, OS_MESG_BLOCK);
+	while (g_DmaNumSlotsBusy) {
+		osRecvMesg(&g_DmaMesgQueue, (OSMesg) &msg, OS_MESG_BLOCK);
 
-		for (i = 0; i < ARRAYCOUNT(var80094ae8); i++) {
-			if (&var80094ae8[i] == msg) {
+		for (i = 0; i < ARRAYCOUNT(g_DmaIoMsgs); i++) {
+			if (&g_DmaIoMsgs[i] == msg) {
 				break;
 			}
 		}
 
-		var80094de8[i] = 0;
-		var80094ae0--;
+		g_DmaSlotsBusy[i] = false;
+		g_DmaNumSlotsBusy--;
 	}
 }
 
-void func0000d410(void *memaddr, void *romaddr, u32 len)
+void dmaExec(void *memaddr, void *romaddr, u32 len)
 {
-	func0000d0f8(memaddr, romaddr, len, false);
-	func0000d350();
+	dmaStart(memaddr, (u32) romaddr, len, false);
+	dmaWait();
 	dmaCheckPiracy(memaddr, len);
 }
 
-void func0000d44c(void *memaddr, void *romaddr, u32 len)
+void dmaExecHighPriority(void *memaddr, void *romaddr, u32 len)
 {
-	func0000d0f8(memaddr, romaddr, len, true);
-	func0000d350();
+	dmaStart(memaddr, (u32) romaddr, len, true);
+	dmaWait();
 	dmaCheckPiracy(memaddr, len);
 }
 
@@ -243,7 +173,7 @@ glabel func0000d488
 /*     d4ec:	3b06000f */ 	xori	$a2,$t8,0xf
 /*     d4f0:	afa4001c */ 	sw	$a0,0x1c($sp)
 /*     d4f4:	afa30018 */ 	sw	$v1,0x18($sp)
-/*     d4f8:	0c003504 */ 	jal	func0000d410
+/*     d4f8:	0c003504 */ 	jal	dmaExec
 /*     d4fc:	01c02825 */ 	or	$a1,$t6,$zero
 /*     d500:	8fa30018 */ 	lw	$v1,0x18($sp)
 /*     d504:	8fa4001c */ 	lw	$a0,0x1c($sp)
diff --git a/src/lib/lib_0e9d0.c b/src/lib/lib_0e9d0.c
index b99d47947..cf5d33211 100644
--- a/src/lib/lib_0e9d0.c
+++ b/src/lib/lib_0e9d0.c
@@ -785,18 +785,18 @@ glabel func0000eb2c
 /*     eb68:	ae200000 */ 	sw	$zero,0x0($s1)
 /*     eb6c:	00809025 */ 	or	$s2,$a0,$zero
 /*     eb70:	02002825 */ 	or	$a1,$s0,$zero
-/*     eb74:	0c003504 */ 	jal	func0000d410
+/*     eb74:	0c003504 */ 	jal	dmaExec
 /*     eb78:	24060100 */ 	addiu	$a2,$zero,0x100
 /*     eb7c:	8e580004 */ 	lw	$t8,0x4($s2)
 /*     eb80:	02402025 */ 	or	$a0,$s2,$zero
 /*     eb84:	24060100 */ 	addiu	$a2,$zero,0x100
-/*     eb88:	0c003504 */ 	jal	func0000d410
+/*     eb88:	0c003504 */ 	jal	dmaExec
 /*     eb8c:	02182821 */ 	addu	$a1,$s0,$t8
 /*     eb90:	8e59000c */ 	lw	$t9,0xc($s2)
 /*     eb94:	02402025 */ 	or	$a0,$s2,$zero
 /*     eb98:	24060100 */ 	addiu	$a2,$zero,0x100
 /*     eb9c:	0219a021 */ 	addu	$s4,$s0,$t9
-/*     eba0:	0c003504 */ 	jal	func0000d410
+/*     eba0:	0c003504 */ 	jal	dmaExec
 /*     eba4:	02802825 */ 	or	$a1,$s4,$zero
 /*     eba8:	864a000e */ 	lh	$t2,0xe($s2)
 /*     ebac:	3c098009 */ 	lui	$t1,%hi(var80094ea0)
@@ -820,7 +820,7 @@ glabel func0000eb2c
 /*     ebf4:	ae220000 */ 	sw	$v0,0x0($s1)
 /*     ebf8:	00402025 */ 	or	$a0,$v0,$zero
 /*     ebfc:	02802825 */ 	or	$a1,$s4,$zero
-/*     ec00:	0c003504 */ 	jal	func0000d410
+/*     ec00:	0c003504 */ 	jal	dmaExec
 /*     ec04:	02603025 */ 	or	$a2,$s3,$zero
 /*     ec08:	3c098009 */ 	lui	$t1,%hi(var80094ea0)
 /*     ec0c:	8e2f0000 */ 	lw	$t7,0x0($s1)
@@ -949,7 +949,7 @@ glabel func0000ed68
 /*     edb8:	02402025 */ 	or	$a0,$s2,$zero
 .L0000edbc:
 /*     edbc:	02802825 */ 	or	$a1,$s4,$zero
-/*     edc0:	0c003513 */ 	jal	func0000d44c
+/*     edc0:	0c003513 */ 	jal	dmaExecHighPriority
 /*     edc4:	24060040 */ 	addiu	$a2,$zero,0x40
 /*     edc8:	00008025 */ 	or	$s0,$zero,$zero
 /*     edcc:	00001825 */ 	or	$v1,$zero,$zero
@@ -964,7 +964,7 @@ glabel func0000ed68
 /*     edec:	020a8021 */ 	addu	$s0,$s0,$t2
 /*     edf0:	02202025 */ 	or	$a0,$s1,$zero
 /*     edf4:	02802825 */ 	or	$a1,$s4,$zero
-/*     edf8:	0c003513 */ 	jal	func0000d44c
+/*     edf8:	0c003513 */ 	jal	dmaExecHighPriority
 /*     edfc:	24060040 */ 	addiu	$a2,$zero,0x40
 /*     ee00:	00002025 */ 	or	$a0,$zero,$zero
 /*     ee04:	00001025 */ 	or	$v0,$zero,$zero
@@ -1028,7 +1028,7 @@ glabel func0000ee88
 /*     eed8:	02402025 */ 	or	$a0,$s2,$zero
 .L0000eedc:
 /*     eedc:	02802825 */ 	or	$a1,$s4,$zero
-/*     eee0:	0c003513 */ 	jal	func0000d44c
+/*     eee0:	0c003513 */ 	jal	dmaExecHighPriority
 /*     eee4:	24060040 */ 	addiu	$a2,$zero,0x40
 /*     eee8:	00008025 */ 	or	$s0,$zero,$zero
 /*     eeec:	00001825 */ 	or	$v1,$zero,$zero
@@ -1043,7 +1043,7 @@ glabel func0000ee88
 /*     ef0c:	020a8021 */ 	addu	$s0,$s0,$t2
 /*     ef10:	02202025 */ 	or	$a0,$s1,$zero
 /*     ef14:	02802825 */ 	or	$a1,$s4,$zero
-/*     ef18:	0c003513 */ 	jal	func0000d44c
+/*     ef18:	0c003513 */ 	jal	dmaExecHighPriority
 /*     ef1c:	24060040 */ 	addiu	$a2,$zero,0x40
 /*     ef20:	00002025 */ 	or	$a0,$zero,$zero
 /*     ef24:	00001025 */ 	or	$v0,$zero,$zero
@@ -1107,7 +1107,7 @@ glabel func0000efa8
 /*     eff8:	02402025 */ 	or	$a0,$s2,$zero
 .L0000effc:
 /*     effc:	02802825 */ 	or	$a1,$s4,$zero
-/*     f000:	0c003513 */ 	jal	func0000d44c
+/*     f000:	0c003513 */ 	jal	dmaExecHighPriority
 /*     f004:	24060140 */ 	addiu	$a2,$zero,0x140
 /*     f008:	00008025 */ 	or	$s0,$zero,$zero
 /*     f00c:	00001825 */ 	or	$v1,$zero,$zero
@@ -1122,7 +1122,7 @@ glabel func0000efa8
 /*     f02c:	020a8021 */ 	addu	$s0,$s0,$t2
 /*     f030:	02202025 */ 	or	$a0,$s1,$zero
 /*     f034:	02802825 */ 	or	$a1,$s4,$zero
-/*     f038:	0c003513 */ 	jal	func0000d44c
+/*     f038:	0c003513 */ 	jal	dmaExecHighPriority
 /*     f03c:	24060140 */ 	addiu	$a2,$zero,0x140
 /*     f040:	00002025 */ 	or	$a0,$zero,$zero
 /*     f044:	00001025 */ 	or	$v0,$zero,$zero
@@ -1195,7 +1195,7 @@ glabel func0000f0d4
 /*     f134:	02402025 */ 	or	$a0,$s2,$zero
 .L0000f138:
 /*     f138:	02802825 */ 	or	$a1,$s4,$zero
-/*     f13c:	0c003513 */ 	jal	func0000d44c
+/*     f13c:	0c003513 */ 	jal	dmaExecHighPriority
 /*     f140:	24060040 */ 	addiu	$a2,$zero,0x40
 /*     f144:	00008025 */ 	or	$s0,$zero,$zero
 /*     f148:	00001825 */ 	or	$v1,$zero,$zero
@@ -1210,7 +1210,7 @@ glabel func0000f0d4
 /*     f168:	020a8021 */ 	addu	$s0,$s0,$t2
 /*     f16c:	02202025 */ 	or	$a0,$s1,$zero
 /*     f170:	02802825 */ 	or	$a1,$s4,$zero
-/*     f174:	0c003513 */ 	jal	func0000d44c
+/*     f174:	0c003513 */ 	jal	dmaExecHighPriority
 /*     f178:	24060040 */ 	addiu	$a2,$zero,0x40
 /*     f17c:	00002025 */ 	or	$a0,$zero,$zero
 /*     f180:	00001025 */ 	or	$v0,$zero,$zero
@@ -1285,7 +1285,7 @@ glabel func0000f228
 /*     f278:	02402025 */ 	or	$a0,$s2,$zero
 .L0000f27c:
 /*     f27c:	02802825 */ 	or	$a1,$s4,$zero
-/*     f280:	0c003513 */ 	jal	func0000d44c
+/*     f280:	0c003513 */ 	jal	dmaExecHighPriority
 /*     f284:	24060040 */ 	addiu	$a2,$zero,0x40
 /*     f288:	00008025 */ 	or	$s0,$zero,$zero
 /*     f28c:	00001825 */ 	or	$v1,$zero,$zero
@@ -1300,7 +1300,7 @@ glabel func0000f228
 /*     f2ac:	020a8021 */ 	addu	$s0,$s0,$t2
 /*     f2b0:	02202025 */ 	or	$a0,$s1,$zero
 /*     f2b4:	02802825 */ 	or	$a1,$s4,$zero
-/*     f2b8:	0c003513 */ 	jal	func0000d44c
+/*     f2b8:	0c003513 */ 	jal	dmaExecHighPriority
 /*     f2bc:	24060040 */ 	addiu	$a2,$zero,0x40
 /*     f2c0:	00002025 */ 	or	$a0,$zero,$zero
 /*     f2c4:	00001025 */ 	or	$v0,$zero,$zero
@@ -1524,7 +1524,7 @@ glabel func0000f49c
 /*     f5c4:	afab0024 */ 	sw	$t3,0x24($sp)
 /*     f5c8:	a7a900aa */ 	sh	$t1,0xaa($sp)
 /*     f5cc:	24060040 */ 	addiu	$a2,$zero,0x40
-/*     f5d0:	0c003513 */ 	jal	func0000d44c
+/*     f5d0:	0c003513 */ 	jal	dmaExecHighPriority
 /*     f5d4:	30f1ffff */ 	andi	$s1,$a3,0xffff
 /*     f5d8:	8e040000 */ 	lw	$a0,0x0($s0)
 /*     f5dc:	0c003b5a */ 	jal	func0000ed68
@@ -1784,7 +1784,7 @@ glabel func0000f804
 /*     f96c:	00408825 */ 	or	$s1,$v0,$zero
 /*     f970:	24a5bf30 */ 	addiu	$a1,$a1,%lo(_seqctlSegmentRomStart)
 /*     f974:	00402025 */ 	or	$a0,$v0,$zero
-/*     f978:	0c003504 */ 	jal	func0000d410
+/*     f978:	0c003504 */ 	jal	dmaExec
 /*     f97c:	02003025 */ 	or	$a2,$s0,$zero
 /*     f980:	3c0500d0 */ 	lui	$a1,%hi(_seqtblSegmentRomStart)
 /*     f984:	24a55f90 */ 	addiu	$a1,$a1,%lo(_seqtblSegmentRomStart)
@@ -1808,7 +1808,7 @@ glabel func0000f804
 /*     f9cc:	ae020000 */ 	sw	$v0,0x0($s0)
 /*     f9d0:	02202825 */ 	or	$a1,$s1,$zero
 /*     f9d4:	00402025 */ 	or	$a0,$v0,$zero
-/*     f9d8:	0c003504 */ 	jal	func0000d410
+/*     f9d8:	0c003504 */ 	jal	dmaExec
 /*     f9dc:	24060010 */ 	addiu	$a2,$zero,0x10
 /*     f9e0:	8e0d0000 */ 	lw	$t5,0x0($s0)
 /*     f9e4:	3c068009 */ 	lui	$a2,%hi(var800951f0)
@@ -1829,7 +1829,7 @@ glabel func0000f804
 /*     fa20:	00c17824 */ 	and	$t7,$a2,$at
 /*     fa24:	01e03025 */ 	or	$a2,$t7,$zero
 /*     fa28:	00402025 */ 	or	$a0,$v0,$zero
-/*     fa2c:	0c003504 */ 	jal	func0000d410
+/*     fa2c:	0c003504 */ 	jal	dmaExec
 /*     fa30:	02202825 */ 	or	$a1,$s1,$zero
 /*     fa34:	8e040000 */ 	lw	$a0,0x0($s0)
 /*     fa38:	00001825 */ 	or	$v1,$zero,$zero
@@ -2040,7 +2040,7 @@ glabel func0000fc48
 /*     fd04:	00e36021 */ 	addu	$t4,$a3,$v1
 /*     fd08:	01862023 */ 	subu	$a0,$t4,$a2
 /*     fd0c:	afa40028 */ 	sw	$a0,0x28($sp)
-/*     fd10:	0c003504 */ 	jal	func0000d410
+/*     fd10:	0c003504 */ 	jal	dmaExec
 /*     fd14:	afa7143c */ 	sw	$a3,0x143c($sp)
 /*     fd18:	8fa40028 */ 	lw	$a0,0x28($sp)
 /*     fd1c:	8fa5143c */ 	lw	$a1,0x143c($sp)
diff --git a/src/lib/lib_233c0.c b/src/lib/lib_233c0.c
index 075bead75..b31469569 100644
--- a/src/lib/lib_233c0.c
+++ b/src/lib/lib_233c0.c
@@ -49,7 +49,7 @@ glabel func000233c0
 /*    233fc:	24a5d1a0 */ 	addiu	$a1,$a1,%lo(_animationsTableRomStart)
 /*    23400:	00402025 */ 	or	$a0,$v0,$zero
 /*    23404:	02003025 */ 	or	$a2,$s0,$zero
-/*    23408:	0c003504 */ 	jal	func0000d410
+/*    23408:	0c003504 */ 	jal	dmaExec
 /*    2340c:	afa20020 */ 	sw	$v0,0x20($sp)
 /*    23410:	8fa30020 */ 	lw	$v1,0x20($sp)
 /*    23414:	3c04800a */ 	lui	$a0,%hi(var8009a894)
diff --git a/src/lib/main.c b/src/lib/main.c
index 759daf28e..6bb6f8daa 100644
--- a/src/lib/main.c
+++ b/src/lib/main.c
@@ -351,7 +351,7 @@ glabel mainInit
 /*     d764:	256bfe00 */ 	addiu	$t3,$t3,%lo(_accessingpakSegmentRomEnd)
 /*     d768:	39c4003f */ 	xori	$a0,$t6,0x3f
 /*     d76c:	00808025 */ 	or	$s0,$a0,$zero
-/*     d770:	0c003504 */ 	jal	func0000d410
+/*     d770:	0c003504 */ 	jal	dmaExec
 /*     d774:	01653023 */ 	subu	$a2,$t3,$a1
 /*     d778:	1000000e */ 	b	.L0000d7b4
 /*     d77c:	3c01ffff */ 	lui	$at,0xffff
@@ -366,7 +366,7 @@ glabel mainInit
 /*     d79c:	25eff550 */ 	addiu	$t7,$t7,%lo(_copyrightSegmentRomEnd)
 /*     d7a0:	3b04003f */ 	xori	$a0,$t8,0x3f
 /*     d7a4:	00808025 */ 	or	$s0,$a0,$zero
-/*     d7a8:	0c003504 */ 	jal	func0000d410
+/*     d7a8:	0c003504 */ 	jal	dmaExec
 /*     d7ac:	01e53023 */ 	subu	$a2,$t7,$a1
 /*     d7b0:	3c01ffff */ 	lui	$at,0xffff
 .L0000d7b4:
@@ -676,9 +676,9 @@ const char var70053aa0[] = "          -ml0 -me0 -mgfx100 -mvtx50 -mt700 -ma400";
 //		// the texture format can be changed then copied into the framebuffer in
 //		// the correct format.
 //		if (g_DoBootPakMenu) {
-//			func0000d410(fb, &_accessingpakSegmentRomStart, &_accessingpakSegmentRomEnd - &_accessingpakSegmentRomStart);
+//			dmaExec(fb, &_accessingpakSegmentRomStart, &_accessingpakSegmentRomEnd - &_accessingpakSegmentRomStart);
 //		} else {
-//			func0000d410(fb, &_copyrightSegmentRomStart, &_copyrightSegmentRomEnd - &_copyrightSegmentRomStart);
+//			dmaExec(fb, &_copyrightSegmentRomStart, &_copyrightSegmentRomEnd - &_copyrightSegmentRomStart);
 //		}
 //
 //		// Prepare space for the texture immediately before the framebuffer