diff --git a/asm/main_0207BC3C.s b/asm/main_0207BC3C.s
index 805841af..8a493481 100644
--- a/asm/main_0207BC3C.s
+++ b/asm/main_0207BC3C.s
@@ -344,122 +344,3 @@ AtomicExchange: ; 0x0207C648
 	bx lr
 	arm_func_end AtomicExchange
 
-	arm_func_start sub_0207C650
-sub_0207C650: ; 0x0207C650
-	stmdb sp!, {r4, r5, r6, r7, lr}
-	ldr r5, [r0], #4
-	mov r2, r5, lsr #8
-	mov r7, #0
-	tst r5, #0xf
-	bne _0207C66C
-	b _0207C670
-_0207C66C:
-	mov r7, #1
-_0207C670:
-	cmp r2, #0
-	ble _0207C748
-	ldrb lr, [r0], #1
-	mov r4, #8
-_0207C680:
-	subs r4, r4, #1
-	blt _0207C670
-	tst lr, #0x80
-	bne _0207C6A4
-	ldrb r6, [r0], #1
-	.word 0xE1416096
-	add r1, r1, #1
-	sub r2, r2, #1
-	b _0207C730
-_0207C6A4:
-	ldrb r5, [r0]
-	cmp r7, #0
-	beq _0207C6B4
-	b _0207C6B8
-_0207C6B4:
-	mov r6, #3
-_0207C6B8:
-	beq _0207C6FC
-	tst r5, #0xe0
-	bne _0207C6C8
-	b _0207C6CC
-_0207C6C8:
-	mov r6, #1
-_0207C6CC:
-	bne _0207C6FC
-	add r0, r0, #1
-	and r6, r5, #0xf
-	mov r6, r6, lsl #4
-	tst r5, #0x10
-	beq _0207C6F4
-	mov r6, r6, lsl #8
-	ldrb r5, [r0], #1
-	add r6, r6, r5, lsl #4
-	add r6, r6, #0x100
-_0207C6F4:
-	add r6, r6, #0x11
-	ldrb r5, [r0]
-_0207C6FC:
-	add r3, r6, r5, asr #4
-	add r0, r0, #1
-	and r5, r5, #0xf
-	mov ip, r5, lsl #8
-	ldrb r6, [r0], #1
-	orr r5, r6, ip
-	add ip, r5, #1
-	sub r2, r2, r3
-_0207C71C:
-	ldrb r5, [r1, -ip]
-	.word 0xE1415095
-	add r1, r1, #1
-	subs r3, r3, #1
-	bgt _0207C71C
-_0207C730:
-	cmp r2, #0
-	bgt _0207C73C
-	b _0207C740
-_0207C73C:
-	mov lr, lr, lsl #1
-_0207C740:
-	bgt _0207C680
-	b _0207C670
-_0207C748:
-	ldmia sp!, {r4, r5, r6, r7, lr}
-	bx lr
-	arm_func_end sub_0207C650
-
-	arm_func_start sub_0207C750
-sub_0207C750: ; 0x0207C750
-	stmdb sp!, {r3, r4, r5, r6, r7, lr}
-	mov r5, r1
-	mov r6, r0
-	mov r7, r3
-	mvn r1, #0
-	mov r4, r2
-	bl sub_0207C1E0
-	mov r0, r6
-	mov r1, r5
-	mov r2, r7
-	mov r3, #0x1000000
-	bl MIi_CheckDma0SourceAddress
-	cmp r7, #0
-	ldmeqia sp!, {r3, r4, r5, r6, r7, pc}
-	add r0, r6, r6, lsl #1
-	add r0, r0, #2
-	mov r0, r0, lsl #2
-	add r0, r0, #0xb0
-	add r1, r0, #0x4000000
-_0207C79C:
-	ldr r0, [r1]
-	tst r0, #0x80000000
-	bne _0207C79C
-	ldr r3, _0207C7C0 ; =0xAF000001
-	mov r0, r6
-	mov r1, r5
-	mov r2, r4
-	bl InitDmaTransfer_Standard
-	ldmia sp!, {r3, r4, r5, r6, r7, pc}
-	.align 2, 0
-_0207C7C0: .word 0xAF000001
-	arm_func_end sub_0207C750
-
-
diff --git a/lib/NitroSDK/asm/mi_dma_card.s b/lib/NitroSDK/asm/mi_dma_card.s
new file mode 100644
index 00000000..1c1a344f
--- /dev/null
+++ b/lib/NitroSDK/asm/mi_dma_card.s
@@ -0,0 +1,43 @@
+	.include "asm/macros.inc"
+
+	.text
+
+    .public sub_0207C1E0
+    .public MIi_CheckDma0SourceAddress
+    .public InitDmaTransfer_Standard
+
+    arm_func_start sub_0207C750 ; MTi_CardDmaCopy32
+sub_0207C750: ; 0x0207C750
+	stmdb sp!, {r3, r4, r5, r6, r7, lr}
+	mov r5, r1
+	mov r6, r0
+	mov r7, r3
+	mvn r1, #0
+	mov r4, r2
+	bl sub_0207C1E0
+	mov r0, r6
+	mov r1, r5
+	mov r2, r7
+	mov r3, #0x1000000
+	bl MIi_CheckDma0SourceAddress
+	cmp r7, #0
+	ldmeqia sp!, {r3, r4, r5, r6, r7, pc}
+	add r0, r6, r6, lsl #1
+	add r0, r0, #2
+	mov r0, r0, lsl #2
+	add r0, r0, #0xb0
+	add r1, r0, #0x4000000
+_0207C79C:
+	ldr r0, [r1]
+	tst r0, #0x80000000
+	bne _0207C79C
+	ldr r3, _0207C7C0 ; =0xAF000001
+	mov r0, r6
+	mov r1, r5
+	mov r2, r4
+	bl InitDmaTransfer_Standard
+	ldmia sp!, {r3, r4, r5, r6, r7, pc}
+	.align 2, 0
+_0207C7C0: .word 0xAF000001
+	arm_func_end sub_0207C750
+
diff --git a/lib/NitroSDK/asm/mi_uncompress.s b/lib/NitroSDK/asm/mi_uncompress.s
new file mode 100644
index 00000000..32825790
--- /dev/null
+++ b/lib/NitroSDK/asm/mi_uncompress.s
@@ -0,0 +1,88 @@
+	.include "asm/macros.inc"
+	.include "main_0207BC3C.inc"
+
+	.text
+
+	arm_func_start sub_0207C650 ; MI_UncompressLZ8
+sub_0207C650: ; 0x0207C650
+	stmdb sp!, {r4, r5, r6, r7, lr}
+	ldr r5, [r0], #4
+	mov r2, r5, lsr #8
+	mov r7, #0
+	tst r5, #0xf
+	bne _0207C66C
+	b _0207C670
+_0207C66C:
+	mov r7, #1
+_0207C670:
+	cmp r2, #0
+	ble _0207C748
+	ldrb lr, [r0], #1
+	mov r4, #8
+_0207C680:
+	subs r4, r4, #1
+	blt _0207C670
+	tst lr, #0x80
+	bne _0207C6A4
+	ldrb r6, [r0], #1
+	.word 0xE1416096
+	add r1, r1, #1
+	sub r2, r2, #1
+	b _0207C730
+_0207C6A4:
+	ldrb r5, [r0]
+	cmp r7, #0
+	beq _0207C6B4
+	b _0207C6B8
+_0207C6B4:
+	mov r6, #3
+_0207C6B8:
+	beq _0207C6FC
+	tst r5, #0xe0
+	bne _0207C6C8
+	b _0207C6CC
+_0207C6C8:
+	mov r6, #1
+_0207C6CC:
+	bne _0207C6FC
+	add r0, r0, #1
+	and r6, r5, #0xf
+	mov r6, r6, lsl #4
+	tst r5, #0x10
+	beq _0207C6F4
+	mov r6, r6, lsl #8
+	ldrb r5, [r0], #1
+	add r6, r6, r5, lsl #4
+	add r6, r6, #0x100
+_0207C6F4:
+	add r6, r6, #0x11
+	ldrb r5, [r0]
+_0207C6FC:
+	add r3, r6, r5, asr #4
+	add r0, r0, #1
+	and r5, r5, #0xf
+	mov ip, r5, lsl #8
+	ldrb r6, [r0], #1
+	orr r5, r6, ip
+	add ip, r5, #1
+	sub r2, r2, r3
+_0207C71C:
+	ldrb r5, [r1, -ip]
+	.word 0xE1415095
+	add r1, r1, #1
+	subs r3, r3, #1
+	bgt _0207C71C
+_0207C730:
+	cmp r2, #0
+	bgt _0207C73C
+	b _0207C740
+_0207C73C:
+	mov lr, lr, lsl #1
+_0207C740:
+	bgt _0207C680
+	b _0207C670
+_0207C748:
+	ldmia sp!, {r4, r5, r6, r7, lr}
+	bx lr
+	arm_func_end sub_0207C650
+
diff --git a/main.lsf b/main.lsf
index 666979de..917675eb 100644
--- a/main.lsf
+++ b/main.lsf
@@ -254,6 +254,8 @@ Static main
     Object lib/NitroSDK/asm/mi_wram.o
     Object lib/NitroSDK/asm/mi_dma.o
 	Object asm/main_0207BC3C.o
+    Object lib/NitroSDK/asm/mi_uncompress.o
+    Object lib/NitroSDK/asm/mi_dma_card.o
     Object lib/NitroSDK/asm/mi_init.o
     Object lib/asm/nitro.o
 	Object src/main_0207E81C.o
diff --git a/src/main_0207E81C.c b/src/main_0207E81C.c
index e5b6aace..beca14a0 100644
--- a/src/main_0207E81C.c
+++ b/src/main_0207E81C.c
@@ -1,6 +1,6 @@
 #include "main_0207E81C.h"
 
-u8 sub_0207E81C(s32 *param_0)
+u8 sub_0207E81C(s32 *param_0) // FSi_OpenFileDirectCommand
 {
     param_0[9] = param_0[12];
     param_0[11] = param_0[12];
@@ -10,7 +10,7 @@ u8 sub_0207E81C(s32 *param_0)
     return 0;
 }
 
-u8 sub_0207E844()
+u8 sub_0207E844() // FSi_CloseFileCommand
 {
     return 0;
 }