through FUN_0200A76C

4 files changed, 199 insertions, 540 deletions

diff --git a/arm9/asm/unk_0200A384.s b/arm9/asm/unk_0200A384.s
index 26e615af..0016d0d7 100644
--- a/arm9/asm/unk_0200A384.s
+++ b/arm9/asm/unk_0200A384.s
@@ -6,538 +6,13 @@
 .extern LoadSingleElementFromNarc
 .extern FreeMsgDataRawData
 .extern DecryptMessageDirect
-
-	thumb_func_start DecryptMessageViaNewNarcHandle
-DecryptMessageViaNewNarcHandle: ; 0x0200A418
-	; r0: narc_id
-	; r1: ???
-	; r2: ???
-	; r3: heap_id
-	push {r4-r6, lr}
-	sub sp, #0x10
-	add r5, r1, #0x0
-	add r1, r3, #0x0
-	add r4, r2, #0x0
-	bl NARC_ctor
-	add r6, r0, #0x0
-	beq _0200A4AE
-	add r1, sp, #0xc
-	str r1, [sp, #0x0]
-	add r1, r5, #0x0
-	mov r2, #0x0
-	mov r3, #0x4
-	bl NARC_ReadFromMember
-	add r0, sp, #0x4
-	lsl r2, r4, #0x3
-	str r0, [sp, #0x0]
-	add r0, r6, #0x0
-	add r1, r5, #0x0
-	add r2, r2, #0x4
-	mov r3, #0x8
-	bl NARC_ReadFromMember
-	add r0, sp, #0x4
-	ldrh r2, [r0, #0xa]
-	ldr r0, _0200A4B4 ; =0x000002FD
-	add r1, r4, #0x1
-	mul r0, r2
-	mul r0, r1
-	lsl r0, r0, #0x10
-	lsr r1, r0, #0x10
-	lsl r0, r1, #0x10
-	orr r1, r0
-	ldr r0, [sp, #0x4]
-	eor r0, r1
-	str r0, [sp, #0x4]
-	ldr r0, [sp, #0x8]
-	eor r0, r1
-	str r0, [sp, #0x8]
-	ldr r0, [sp, #0x20]
-	add r1, r5, #0x0
-	str r0, [sp, #0x0]
-	ldr r3, [sp, #0x8]
-	ldr r2, [sp, #0x4]
-	add r0, r6, #0x0
-	lsl r3, r3, #0x1
-	bl NARC_ReadFromMember
-	ldr r2, _0200A4B8 ; =0x00091BD3
-	add r3, r4, #0x1
-	mul r2, r3
-	lsl r2, r2, #0x10
-	ldr r0, [sp, #0x8]
-	lsr r3, r2, #0x10
-	sub r2, r0, #0x1
-	ldr r1, [sp, #0x20]
-	cmp r0, #0x0
-	beq _0200A4A8
-	ldr r0, _0200A4BC ; =0x0000493D
-_0200A492:
-	ldrh r4, [r1, #0x0]
-	eor r4, r3
-	strh r4, [r1, #0x0]
-	add r3, r3, r0
-	lsl r3, r3, #0x10
-	add r4, r2, #0x0
-	add r1, r1, #0x2
-	lsr r3, r3, #0x10
-	sub r2, r2, #0x1
-	cmp r4, #0x0
-	bne _0200A492
-_0200A4A8:
-	add r0, r6, #0x0
-	bl NARC_dtor
-_0200A4AE:
-	add sp, #0x10
-	pop {r4-r6, pc}
-	nop
-_0200A4B4: .word 0x000002FD
-_0200A4B8: .word 0x00091BD3
-_0200A4BC: .word 0x0000493D
-
-	thumb_func_start CopyEncryptedMessage16
-CopyEncryptedMessage16: ; 0x0200A4C0
-	add r3, r0, #0x0
-	add r0, r1, #0x0
-	add r1, r3, #0x0
-	ldr r2, [r2, #0x4]
-	ldr r3, _0200A4D0 ; =MIi_CpuCopy16
-	lsl r2, r2, #0x1
-	bx r3
-	nop
-_0200A4D0: .word MIi_CpuCopy16
-
-	thumb_func_start FUN_0200A4D4
-FUN_0200A4D4: ; 0x0200A4D4
-	push {r3-r7, lr}
-	sub sp, #0x10
-	add r5, r0, #0x0
-	ldrh r0, [r5, #0x0]
-	add r4, r1, #0x0
-	str r2, [sp, #0x0]
-	cmp r4, r0
-	bhs _0200A56A
-	lsl r0, r4, #0x3
-	add r0, r5, r0
-	ldr r3, [r0, #0x4]
-	ldr r2, [r0, #0x8]
-	ldrh r1, [r5, #0x2]
-	ldr r6, _0200A578 ; =0x000002FD
-	add r0, r4, #0x1
-	mul r6, r1
-	add r1, r0, #0x0
-	mul r1, r6
-	lsl r0, r1, #0x10
-	lsr r1, r0, #0x10
-	lsl r0, r1, #0x10
-	orr r1, r0
-	add r0, r3, #0x0
-	add r6, r2, #0x0
-	str r3, [sp, #0x8]
-	eor r0, r1
-	eor r6, r1
-	str r0, [sp, #0x8]
-	lsl r0, r6, #0x1
-	str r0, [sp, #0x4]
-	str r2, [sp, #0xc]
-	ldr r1, [sp, #0x4]
-	mov r0, #0x0
-	str r6, [sp, #0xc]
-	bl AllocFromHeapAtEnd
-	add r7, r0, #0x0
-	beq _0200A574
-	ldr r0, [sp, #0x8]
-	ldr r2, [sp, #0x4]
-	add r0, r5, r0
-	add r1, r7, #0x0
-	bl MIi_CpuCopy16
-	ldr r1, _0200A57C ; =0x00091BD3
-	add r2, r4, #0x1
-	mul r1, r2
-	lsl r1, r1, #0x10
-	lsr r2, r1, #0x10
-	add r0, r7, #0x0
-	sub r1, r6, #0x1
-	cmp r6, #0x0
-	beq _0200A556
-	ldr r3, _0200A580 ; =0x0000493D
-_0200A540:
-	ldrh r4, [r0, #0x0]
-	eor r4, r2
-	strh r4, [r0, #0x0]
-	add r2, r2, r3
-	lsl r2, r2, #0x10
-	add r4, r1, #0x0
-	add r0, r0, #0x2
-	lsr r2, r2, #0x10
-	sub r1, r1, #0x1
-	cmp r4, #0x0
-	bne _0200A540
-_0200A556:
-	ldr r0, [sp, #0x0]
-	add r1, r7, #0x0
-	add r2, r6, #0x0
-	bl FUN_02021E8C
-	add r0, r7, #0x0
-	bl FreeToHeap
-	add sp, #0x10
-	pop {r3-r7, pc}
-_0200A56A:
-	bl ErrorHandling
-	ldr r0, [sp, #0x0]
-	bl FUN_02021A4C
-_0200A574:
-	add sp, #0x10
-	pop {r3-r7, pc}
-	.balign 4
-_0200A578: .word 0x000002FD
-_0200A57C: .word 0x00091BD3
-_0200A580: .word 0x0000493D
-
-	thumb_func_start FUN_0200A584
-FUN_0200A584: ; 0x0200A584
-	push {r3-r7, lr}
-	sub sp, #0x10
-	add r5, r0, #0x0
-	ldrh r0, [r5, #0x0]
-	add r4, r1, #0x0
-	str r2, [sp, #0x0]
-	cmp r4, r0
-	bhs _0200A62C
-	lsl r0, r4, #0x3
-	add r0, r5, r0
-	ldr r3, [r0, #0x4]
-	ldr r2, [r0, #0x8]
-	ldrh r1, [r5, #0x2]
-	ldr r6, _0200A63C ; =0x000002FD
-	add r0, r4, #0x1
-	mul r6, r1
-	add r1, r0, #0x0
-	mul r1, r6
-	lsl r0, r1, #0x10
-	lsr r1, r0, #0x10
-	lsl r0, r1, #0x10
-	orr r1, r0
-	add r0, r3, #0x0
-	add r6, r2, #0x0
-	str r3, [sp, #0x8]
-	eor r0, r1
-	eor r6, r1
-	str r0, [sp, #0x8]
-	lsl r0, r6, #0x1
-	str r0, [sp, #0x4]
-	str r2, [sp, #0xc]
-	ldr r0, [sp, #0x0]
-	ldr r1, [sp, #0x4]
-	str r6, [sp, #0xc]
-	bl AllocFromHeapAtEnd
-	add r7, r0, #0x0
-	beq _0200A626
-	ldr r0, [sp, #0x8]
-	ldr r2, [sp, #0x4]
-	add r0, r5, r0
-	add r1, r7, #0x0
-	bl MIi_CpuCopy16
-	ldr r1, _0200A640 ; =0x00091BD3
-	add r2, r4, #0x1
-	mul r1, r2
-	lsl r1, r1, #0x10
-	lsr r2, r1, #0x10
-	add r0, r7, #0x0
-	sub r1, r6, #0x1
-	cmp r6, #0x0
-	beq _0200A606
-	ldr r3, _0200A644 ; =0x0000493D
-_0200A5F0:
-	ldrh r4, [r0, #0x0]
-	eor r4, r2
-	strh r4, [r0, #0x0]
-	add r2, r2, r3
-	lsl r2, r2, #0x10
-	add r4, r1, #0x0
-	add r0, r0, #0x2
-	lsr r2, r2, #0x10
-	sub r1, r1, #0x1
-	cmp r4, #0x0
-	bne _0200A5F0
-_0200A606:
-	ldr r1, [sp, #0x0]
-	add r0, r6, #0x0
-	bl FUN_020219F4
-	add r4, r0, #0x0
-	beq _0200A61A
-	add r1, r7, #0x0
-	add r2, r6, #0x0
-	bl FUN_02021E8C
-_0200A61A:
-	add r0, r7, #0x0
-	bl FreeToHeap
-	add sp, #0x10
-	add r0, r4, #0x0
-	pop {r3-r7, pc}
-_0200A626:
-	add sp, #0x10
-	mov r0, #0x0
-	pop {r3-r7, pc}
-_0200A62C:
-	bl ErrorHandling
-	ldr r1, [sp, #0x0]
-	mov r0, #0x4
-	bl FUN_020219F4
-	add sp, #0x10
-	pop {r3-r7, pc}
-	.balign 4
-_0200A63C: .word 0x000002FD
-_0200A640: .word 0x00091BD3
-_0200A644: .word 0x0000493D
-
-	thumb_func_start FUN_0200A648
-FUN_0200A648: ; 0x0200A648
-	push {r3-r7, lr}
-	add r7, r3, #0x0
-	add r5, r1, #0x0
-	add r1, r7, #0x0
-	add r4, r2, #0x0
-	bl NARC_ctor
-	add r6, r0, #0x0
-	beq _0200A66E
-	ldr r1, [sp, #0x18]
-	add r2, r4, #0x0
-	str r1, [sp, #0x0]
-	add r1, r5, #0x0
-	add r3, r7, #0x0
-	bl FUN_0200A670
-	add r0, r6, #0x0
-	bl NARC_dtor
-_0200A66E:
-	pop {r3-r7, pc}
-
-	thumb_func_start FUN_0200A670
-FUN_0200A670: ; 0x0200A670
-	push {r4-r7, lr}
-	sub sp, #0x14
-	add r5, r2, #0x0
-	add r2, sp, #0x10
-	add r4, r3, #0x0
-	str r2, [sp, #0x0]
-	mov r2, #0x0
-	mov r3, #0x4
-	add r7, r0, #0x0
-	str r1, [sp, #0x4]
-	bl NARC_ReadFromMember
-	add r0, sp, #0x8
-	ldrh r0, [r0, #0x8]
-	cmp r5, r0
-	bhs _0200A71E
-	add r0, sp, #0x8
-	lsl r2, r5, #0x3
-	str r0, [sp, #0x0]
-	ldr r1, [sp, #0x4]
-	add r0, r7, #0x0
-	add r2, r2, #0x4
-	mov r3, #0x8
-	bl NARC_ReadFromMember
-	add r0, sp, #0x8
-	ldrh r2, [r0, #0xa]
-	ldr r0, _0200A72C ; =0x000002FD
-	add r1, r5, #0x1
-	mul r0, r2
-	mul r0, r1
-	lsl r0, r0, #0x10
-	lsr r1, r0, #0x10
-	lsl r0, r1, #0x10
-	orr r1, r0
-	ldr r0, [sp, #0x8]
-	eor r0, r1
-	str r0, [sp, #0x8]
-	ldr r0, [sp, #0xc]
-	eor r0, r1
-	lsl r6, r0, #0x1
-	str r0, [sp, #0xc]
-	add r0, r4, #0x0
-	add r1, r6, #0x0
-	bl AllocFromHeapAtEnd
-	add r4, r0, #0x0
-	beq _0200A728
-	str r4, [sp, #0x0]
-	ldr r1, [sp, #0x4]
-	ldr r2, [sp, #0x8]
-	add r0, r7, #0x0
-	add r3, r6, #0x0
-	bl NARC_ReadFromMember
-	ldr r2, _0200A730 ; =0x00091BD3
-	add r3, r5, #0x1
-	mul r2, r3
-	lsl r2, r2, #0x10
-	ldr r0, [sp, #0xc]
-	lsr r3, r2, #0x10
-	add r1, r4, #0x0
-	sub r2, r0, #0x1
-	cmp r0, #0x0
-	beq _0200A70A
-	ldr r0, _0200A734 ; =0x0000493D
-_0200A6F4:
-	ldrh r5, [r1, #0x0]
-	eor r5, r3
-	strh r5, [r1, #0x0]
-	add r3, r3, r0
-	lsl r3, r3, #0x10
-	add r5, r2, #0x0
-	add r1, r1, #0x2
-	lsr r3, r3, #0x10
-	sub r2, r2, #0x1
-	cmp r5, #0x0
-	bne _0200A6F4
-_0200A70A:
-	ldr r0, [sp, #0x28]
-	ldr r2, [sp, #0xc]
-	add r1, r4, #0x0
-	bl FUN_02021E8C
-	add r0, r4, #0x0
-	bl FreeToHeap
-	add sp, #0x14
-	pop {r4-r7, pc}
-_0200A71E:
-	bl ErrorHandling
-	ldr r0, [sp, #0x28]
-	bl FUN_02021A4C
-_0200A728:
-	add sp, #0x14
-	pop {r4-r7, pc}
-	.balign 4
-_0200A72C: .word 0x000002FD
-_0200A730: .word 0x00091BD3
-_0200A734: .word 0x0000493D
-
-	thumb_func_start FUN_0200A738
-FUN_0200A738: ; 0x0200A738
-	push {r3-r7, lr}
-	add r6, r3, #0x0
-	add r5, r1, #0x0
-	add r1, r6, #0x0
-	add r4, r2, #0x0
-	bl NARC_ctor
-	add r7, r0, #0x0
-	beq _0200A75E
-	add r1, r5, #0x0
-	add r2, r4, #0x0
-	add r3, r6, #0x0
-	bl FUN_0200A76C
-	add r4, r0, #0x0
-	add r0, r7, #0x0
-	bl NARC_dtor
-	b _0200A768
-_0200A75E:
-	mov r0, #0x4
-	add r1, r6, #0x0
-	bl FUN_020219F4
-	add r4, r0, #0x0
-_0200A768:
-	add r0, r4, #0x0
-	pop {r3-r7, pc}
-
-	thumb_func_start FUN_0200A76C
-FUN_0200A76C: ; 0x0200A76C
-	push {r3-r7, lr}
-	sub sp, #0x18
-	add r4, r2, #0x0
-	add r2, sp, #0x14
-	add r5, r3, #0x0
-	str r2, [sp, #0x0]
-	mov r2, #0x0
-	mov r3, #0x4
-	add r7, r0, #0x0
-	str r1, [sp, #0x4]
-	bl NARC_ReadFromMember
-	add r0, sp, #0xc
-	ldrh r0, [r0, #0x8]
-	cmp r4, r0
-	bhs _0200A82A
-	add r0, sp, #0xc
-	lsl r2, r4, #0x3
-	str r0, [sp, #0x0]
-	ldr r1, [sp, #0x4]
-	add r0, r7, #0x0
-	add r2, r2, #0x4
-	mov r3, #0x8
-	bl NARC_ReadFromMember
-	add r0, sp, #0xc
-	ldrh r2, [r0, #0xa]
-	ldr r0, _0200A83C ; =0x000002FD
-	add r1, r4, #0x1
-	mul r0, r2
-	mul r0, r1
-	lsl r0, r0, #0x10
-	lsr r1, r0, #0x10
-	lsl r0, r1, #0x10
-	orr r1, r0
-	ldr r0, [sp, #0xc]
-	eor r0, r1
-	str r0, [sp, #0xc]
-	ldr r0, [sp, #0x10]
-	eor r0, r1
-	add r1, r5, #0x0
-	str r0, [sp, #0x10]
-	bl FUN_020219F4
-	str r0, [sp, #0x8]
-	cmp r0, #0x0
-	beq _0200A824
-	ldr r0, [sp, #0x10]
-	lsl r6, r0, #0x1
-	add r0, r5, #0x0
-	add r1, r6, #0x0
-	bl AllocFromHeapAtEnd
-	add r5, r0, #0x0
-	beq _0200A824
-	str r5, [sp, #0x0]
-	ldr r1, [sp, #0x4]
-	ldr r2, [sp, #0xc]
-	add r0, r7, #0x0
-	add r3, r6, #0x0
-	bl NARC_ReadFromMember
-	ldr r2, _0200A840 ; =0x00091BD3
-	add r3, r4, #0x1
-	mul r2, r3
-	lsl r2, r2, #0x10
-	ldr r0, [sp, #0x10]
-	lsr r3, r2, #0x10
-	add r1, r5, #0x0
-	sub r2, r0, #0x1
-	cmp r0, #0x0
-	beq _0200A814
-	ldr r0, _0200A844 ; =0x0000493D
-_0200A7FE:
-	ldrh r4, [r1, #0x0]
-	eor r4, r3
-	strh r4, [r1, #0x0]
-	add r3, r3, r0
-	lsl r3, r3, #0x10
-	add r4, r2, #0x0
-	add r1, r1, #0x2
-	lsr r3, r3, #0x10
-	sub r2, r2, #0x1
-	cmp r4, #0x0
-	bne _0200A7FE
-_0200A814:
-	ldr r0, [sp, #0x8]
-	ldr r2, [sp, #0x10]
-	add r1, r5, #0x0
-	bl FUN_02021E8C
-	add r0, r5, #0x0
-	bl FreeToHeap
-_0200A824:
-	ldr r0, [sp, #0x8]
-	add sp, #0x18
-	pop {r3-r7, pc}
-_0200A82A:
-	bl ErrorHandling
-	mov r0, #0x4
-	add r1, r5, #0x0
-	bl FUN_020219F4
-	add sp, #0x18
-	pop {r3-r7, pc}
-	nop
-_0200A83C: .word 0x000002FD
-_0200A840: .word 0x00091BD3
-_0200A844: .word 0x0000493D
+.extern DecryptMessageViaNewNarcHandle
+.extern CopyEncryptedMessage16
+.extern FUN_0200A4D4
+.extern FUN_0200A584
+.extern FUN_0200A648
+.extern FUN_0200A670
+.extern FUN_0200A76C
 
 	thumb_func_start FUN_0200A848
 FUN_0200A848: ; 0x0200A848
diff --git a/arm9/lib/include/MI_memory.h b/arm9/lib/include/MI_memory.h
index e1e5fe11..c39c7895 100644
--- a/arm9/lib/include/MI_memory.h
+++ b/arm9/lib/include/MI_memory.h
@@ -22,6 +22,11 @@ static inline void MI_CpuClear32(void *dest, u32 size)
     MI_CpuFill32(dest, 0, size);
 }
 
+static inline void MI_CpuCopy16(const void *src, void *dest, u32 size)
+{
+    MIi_CpuCopy16(src, dest, size);
+}
+
 void MIi_CpuClearFast(u32 data, void *destp, u32 size);
 
 #endif //NITRO_MI_MEMORY_H_
diff --git a/arm9/src/msgdata.c b/arm9/src/msgdata.c
index b3a1c027..007cb471 100644
--- a/arm9/src/msgdata.c
+++ b/arm9/src/msgdata.c
@@ -2,6 +2,8 @@
 #include "filesystem.h"
 #include "msg_data.h"
 #include "heap.h"
+#include "MI_memory.h"
+#include "string16.h"
 
 #pragma thumb on
 
@@ -9,6 +11,13 @@ void * LoadSingleElementFromNarc(NarcId narc_id, s32 file_id, u32 heap_id);
 void FreeMsgDataRawData(void * data);
 void CopyEncryptedMessage16(u16 * dest, const u16 * src, struct UnkStruct_200A394_4 * param);
 void DecryptMessageDirect(struct UnkStruct_200A394 * r3, u32 r5, u16 * r4);
+void DecryptMessageViaNewNarcHandle(NarcId narc_id, u32 group, u32 num, u32 heap_id, u16 * dest);
+void FUN_0200A4D4(struct UnkStruct_200A394 * r5, u32 r4, struct String * dest);
+struct String * FUN_0200A584(struct UnkStruct_200A394 * r5, u32 r4, u32 heap_id);
+void FUN_0200A648(NarcId narc_id, u32 group, u32 num, u32 heap_id, struct String * dest);
+void FUN_0200A670(NARC * narc, u32 group, u32 num, u32 heap_id, struct String * dest);
+struct String * FUN_0200A738(NarcId narc_id, u32 group, u32 num, u32 heap_id);
+struct String * FUN_0200A76C(NARC * narc, u32 group, u32 num, u32 heap_id);
 
 void * LoadSingleElementFromNarc(NarcId narc_id, s32 file_id, u32 heap_id)
 {
@@ -30,30 +39,198 @@ inline static void Decrypt1(struct UnkStruct_200A394_4 * arg0, u32 arg1, u32 see
 
 inline static void Decrypt2(u16 * arg0, u32 count, u32 arg2)
 {
-    u16 seed = (arg2 + 1) * 596947;
+    u16 seed = (u16)((arg2 + 1) * 596947);
 
     while (count-- > 0)
     {
         *arg0 ^= seed;
-        seed += 18749;
         arg0++;
+        seed += 18749;
     }
 }
 
-void DecryptMessageDirect(struct UnkStruct_200A394 * r3, u32 r5, u16 * r4)
+void DecryptMessageDirect(struct UnkStruct_200A394 * table, u32 num, u16 * dest)
 {
     struct UnkStruct_200A394_4 sp0;
 
-    if (r5 < r3->unk0)
+    if (num < table->unk0)
+    {
+        sp0 = table->unk4[num];
+        Decrypt1(&sp0, num, table->unk2);
+
+        CopyEncryptedMessage16(dest, (const u16 *)((u8 *)table + sp0.unk0), &sp0);
+        Decrypt2(dest, sp0.unk4, num);
+    }
+    else
+    {
+        GF_ASSERT(0);
+    }
+}
+
+void DecryptMessageViaNewNarcHandle(NarcId narc_id, u32 group, u32 num, u32 heap_id, u16 * dest)
+{
+    NARC * narc = NARC_ctor(narc_id, heap_id);
+    u16 spC[2];
+    struct UnkStruct_200A394_4 sp4;
+    if (narc != NULL)
     {
-        sp0 = r3->unk4[r5];
-        Decrypt1(&sp0, r5, r3->unk2);
+        NARC_ReadFromMember(narc, group, 0, 4, spC);
+        NARC_ReadFromMember(narc, group, 8 * num + 4, 8, &sp4);
+        Decrypt1(&sp4, num, spC[1]);
+        NARC_ReadFromMember(narc, group, sp4.unk0, 2 * sp4.unk4, dest);
+        Decrypt2(dest, sp4.unk4, num);
+        NARC_dtor(narc);
+    }
+}
 
-        CopyEncryptedMessage16(r4, (const u16 *)((u8 *)r3 + sp0.unk0), &sp0);
-        Decrypt2(r4, sp0.unk4, r5);
+void CopyEncryptedMessage16(u16 * dest, const u16 * src, struct UnkStruct_200A394_4 * param)
+{
+    MI_CpuCopy16(src, dest, 2 * param->unk4);
+}
+
+void FUN_0200A4D4(struct UnkStruct_200A394 * table, u32 num, struct String * dest)
+{
+    struct UnkStruct_200A394_4 sp4;
+    u16 * buf;
+    if (num < table->unk0)
+    {
+        sp4 = table->unk4[num];
+        Decrypt1(&sp4, num, table->unk2);
+        buf = AllocFromHeapAtEnd(0, 2 * sp4.unk4);
+        if (buf != NULL)
+        {
+            MI_CpuCopy16((char *)table + sp4.unk0, buf, 2 * sp4.unk4);
+            Decrypt2(buf, sp4.unk4, num);
+            FUN_02021E8C(dest, buf, sp4.unk4);
+            FreeToHeap(buf);
+        }
+    }
+    else
+    {
+        GF_ASSERT(0);
+        FUN_02021A4C(dest);
+    }
+}
+
+struct String * FUN_0200A584(struct UnkStruct_200A394 * table, u32 num, u32 heap_id)
+{
+    struct UnkStruct_200A394_4 sp4;
+    u16 * buf;
+    struct String * dest;
+    if (num < table->unk0)
+    {
+        sp4 = table->unk4[num];
+        Decrypt1(&sp4, num, table->unk2);
+        buf = AllocFromHeapAtEnd(heap_id, 2 * sp4.unk4);
+        if (buf != NULL)
+        {
+            MI_CpuCopy16((char *)table + sp4.unk0, buf, 2 * sp4.unk4);
+            Decrypt2(buf, sp4.unk4, num);
+            dest = FUN_020219F4(sp4.unk4, heap_id);
+            if (dest != NULL)
+                FUN_02021E8C(dest, buf, sp4.unk4);
+            FreeToHeap(buf);
+            return dest;
+        }
+        else
+        {
+            return NULL;
+        }
+    }
+    else
+    {
+        GF_ASSERT(0);
+        return FUN_020219F4(4, heap_id);
+    }
+}
+
+void FUN_0200A648(NarcId narc_id, u32 group, u32 num, u32 heap_id, struct String * dest)
+{
+    NARC * narc = NARC_ctor(narc_id, heap_id);
+    if (narc != NULL)
+    {
+        FUN_0200A670(narc, group, num, heap_id, dest);
+        NARC_dtor(narc);
+    }
+}
+
+void FUN_0200A670(NARC * narc, u32 group, u32 num, u32 heap_id, struct String * dest)
+{
+    u16 * buf;
+    u32 size;
+    u16 sp10[2];
+    struct UnkStruct_200A394_4 sp8;
+
+    NARC_ReadFromMember(narc, group, 0, 4, sp10);
+    if (num < sp10[0])
+    {
+        NARC_ReadFromMember(narc, group, 8 * num + 4, 8, &sp8);
+        Decrypt1(&sp8, num, sp10[1]);
+        size = sp8.unk4 * 2;
+        buf = AllocFromHeapAtEnd(heap_id, size);
+        if (buf != NULL)
+        {
+            NARC_ReadFromMember(narc, group, sp8.unk0, size, buf);
+            Decrypt2(buf, sp8.unk4, num);
+            FUN_02021E8C(dest, buf, sp8.unk4);
+            FreeToHeap(buf);
+            return;
+        }
+    }
+    else
+    {
+        GF_ASSERT(0);
+        FUN_02021A4C(dest);
+    }
+}
+
+struct String * FUN_0200A738(NarcId narc_id, u32 group, u32 num, u32 heap_id)
+{
+    NARC * narc = NARC_ctor(narc_id, heap_id);
+    struct String * string;
+    if (narc != NULL)
+    {
+        string = FUN_0200A76C(narc, group, num, heap_id);
+        NARC_dtor(narc);
+    }
+    else
+    {
+        string = FUN_020219F4(4, heap_id);
+    }
+    return string;
+}
+
+struct String * FUN_0200A76C(NARC * narc, u32 group, u32 num, u32 heap_id)
+{
+    struct String * dest;
+    u16 * buf;
+    u32 size;
+    u16 sp10[2];
+    struct UnkStruct_200A394_4 sp8;
+
+    NARC_ReadFromMember(narc, group, 0, 4, sp10);
+    if (num < sp10[0])
+    {
+        NARC_ReadFromMember(narc, group, 8 * num + 4, 8, &sp8);
+        Decrypt1(&sp8, num, sp10[1]);
+        dest = FUN_020219F4(sp8.unk4, heap_id);
+        if (dest != NULL)
+        {
+            size = sp8.unk4 * 2;
+            buf = AllocFromHeapAtEnd(heap_id, size);
+            if (buf != NULL)
+            {
+                NARC_ReadFromMember(narc, group, sp8.unk0, size, buf);
+                Decrypt2(buf, sp8.unk4, num);
+                FUN_02021E8C(dest, buf, sp8.unk4);
+                FreeToHeap(buf);
+            }
+        }
+        return dest;
     }
     else
     {
         GF_ASSERT(0);
+        return FUN_020219F4(4, heap_id);
     }
 }
diff --git a/include/string16.h b/include/string16.h
index 7092c641..6bbf567d 100644
--- a/include/string16.h
+++ b/include/string16.h
@@ -13,5 +13,7 @@ struct String
 struct String * FUN_020219F4(u32 count, u32 heap_id);
 int FUN_02021CE0(struct String *, struct String *);
 int FUN_0206AE00(int x);
+void FUN_02021E8C(struct String *, u16 *, u32); // copy
+void FUN_02021A4C(struct String *); // set empty
 
 #endif //POKEDIAMOND_STRING16_H