diff --git a/data/const_data_D8714.s b/data/const_data_D8714.s
deleted file mode 100644
index 74baf3d88..000000000
--- a/data/const_data_D8714.s
+++ /dev/null
@@ -1,9 +0,0 @@
-    .section .rodata
-
-	.global gUnknown_080D9E44
-gUnknown_080D9E44:  @ 0x080D9E44
-	.incbin "baserom.gba", 0xD9E44, 0xC
-
-	.global gLinkArenaRuleData
-gLinkArenaRuleData:  @ 0x080D9E50
-	.incbin "baserom.gba", 0xD9E50, 0x4C
diff --git a/data/const_data_D9F18.s b/data/const_data_D9F18.s
deleted file mode 100644
index 8b9fc9c13..000000000
--- a/data/const_data_D9F18.s
+++ /dev/null
@@ -1,5 +0,0 @@
-    .section .rodata
-
-	.global gAsciiStr_SIOMAIN
-gAsciiStr_SIOMAIN:  @ 0x080D9FBC
-	.asciz "SIOMAIN"
diff --git a/data/data_5A92E0.s b/data/data_5A92E0.s
deleted file mode 100644
index 71f6d4c7e..000000000
--- a/data/data_5A92E0.s
+++ /dev/null
@@ -1,544 +0,0 @@
-    .section .data
-
-	.global ProcScr_SIOPRA
-ProcScr_SIOPRA:  @ 0x085A979C
-        @ PROC_NAME
-        .short 0x1, 0x0
-        .word 0x80d9e48
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word StartLinkArenaTeamList
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8046DB4
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8045AF4
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word nullsub_13
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804C4F8
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804C590
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word New6C_SIOMAIN2
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8045C28
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Set_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8013F40
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_START_CHILD_BLOCKING
-        .short 0x6, 0x1
-        .word ProcScr_SioPostBattle
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8043244
-        @ PROC_LABEL
-        .short 0xb, 0x4
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x1
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Set_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8013F40
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_END
-        .short 0x0, 0x0
-        .word 0x0
-
-	.global gUnknown_085A9864
-gUnknown_085A9864:  @ 0x085A9864
-	.incbin "baserom.gba", 0x5A9864, 0x20
-
-	.global gUnknown_085A9884
-gUnknown_085A9884:  @ 0x085A9884
-@ replacing .incbin "baserom.gba", 0x005a9884, 0x4
-.4byte gGenericBuffer
-
-	.global ProcScr_SIOBAT
-ProcScr_SIOBAT:  @ 0x085A9888
-        @ PROC_NAME
-        .short 0x1, 0x0
-        .word 0x80d9e8c
-        @ PROC_LABEL
-        .short 0xb, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word StartLinkArenaTeamList
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8046DB4
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word nullsub_13
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804C4F8
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804C590
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8045DC0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word FadeInBlackSpeed20
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Clear_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8045F00
-        @ PROC_LABEL
-        .short 0xb, 0x3
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8045F48
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_80469AC
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804619C
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8042F84
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8042F98
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8046234
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_80462D4
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8042F84
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8042F98
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_80463A8
-        @ PROC_SLEEP
-        .short 0xe, 0xa
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804645C
-        @ PROC_SLEEP
-        .short 0xe, 0x50
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Set_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8013F40
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndLinkArenaVersusSpriteDraw
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndMuralBackground
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8046838
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word FadeInBlackSpeed20
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Clear_0203DDDC
-        @ PROC_SLEEP
-        .short 0xe, 0xb4
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8042F84
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8042F98
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Set_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8013F40
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_END_EACH
-        .short 0x9, 0x0
-        .word ProcScr_RuleSettingSpriteDraw_Static
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word nullsub_13
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804C4F8
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804C590
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_80467AC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word FadeInBlackSpeed20
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Clear_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_80464B0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8046580
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8046704
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8042F84
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8042F98
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Set_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8013F40
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndLinkArenaVersusSpriteDraw
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndMuralBackground
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word nullsub_13
-        @ PROC_SLEEP
-        .short 0xe, 0x1
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word New6C_SIOMAIN2
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8045C28
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Set_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8013F40
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_80469B8
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8045CBC
-        @ PROC_START_CHILD_BLOCKING
-        .short 0x6, 0x1
-        .word ProcScr_SioPostBattle
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8045CE0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8045A64
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8043244
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word nullsub_13
-        @ PROC_GOTO
-        .short 0xc, 0x1
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x2
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Set_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8013F40
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word ResetFaces
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndLinkArenaVersusSpriteDraw
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndMuralBackground
-        @ PROC_GOTO
-        .short 0xc, 0x0
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x4
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8042F84
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8042F98
-        @ PROC_SLEEP
-        .short 0xe, 0x1
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Set_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8013F40
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_80469B8
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8045CBC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8045CE0
-        @ PROC_LABEL
-        .short 0xb, 0x1
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8041898
-        @ PROC_END
-        .short 0x0, 0x0
-        .word 0x0
-
-	.global ProcScr_SIOTERM
-ProcScr_SIOTERM:  @ 0x085A9BA0
-        @ PROC_NAME
-        .short 0x1, 0x0
-        .word 0x80d9e94
-        @ PROC_LABEL
-        .short 0xb, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word StartLinkArenaTeamList
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8046DB4
-        @ PROC_LABEL
-        .short 0xb, 0x3
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_80469C4
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word FadeInBlackSpeed20
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Clear_0203DDDC
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8046CF0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Set_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8013F40
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804309C
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8046D6C
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word nullsub_13
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804C4F8
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804C590
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndLinkArenaButtonSpriteDraw
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndMuralBackground
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word BMapVSync_End
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word StartPrepAtMenuWithConfig
-        @ PROC_LABEL
-        .short 0xb, 0x5
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8046DEC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word BMapVSync_Start
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8046DD0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Set_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8013F40
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8048260
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8046E0C
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_GOTO
-        .short 0xc, 0x0
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x2
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Set_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8013F40
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_GOTO
-        .short 0xc, 0x3
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x4
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Set_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8013F40
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8046E4C
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndLinkArenaButtonSpriteDraw
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndMuralBackground
-        @ PROC_GOTO
-        .short 0xc, 0x0
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x1
-        .word 0x0
-        @ PROC_END
-        .short 0x0, 0x0
-        .word 0x0
diff --git a/data/data_5A9F48.s b/data/data_5A9F48.s
deleted file mode 100644
index 7932a4e13..000000000
--- a/data/data_5A9F48.s
+++ /dev/null
@@ -1,554 +0,0 @@
-    .section .data
-
-	.global gUnknown_085AA1FC
-gUnknown_085AA1FC:  @ 0x085AA1FC
-	.incbin "baserom.gba", 0x5AA1FC, 0x20
-
-	.global gUnknown_085AA21C
-gUnknown_085AA21C:  @ 0x085AA21C
-	.incbin "baserom.gba", 0x5AA21C, 0x10
-
-	.global gUnknown_085AA22C
-gUnknown_085AA22C:  @ 0x085AA22C
-	.incbin "baserom.gba", 0x5AA22C, 0x20
-
-	.global gUnknown_085AA24C
-gUnknown_085AA24C:  @ 0x085AA24C
-        @ PROC_15
-        .short 0x15, 0x0
-        .word 0x0
-        @ PROC_MARK
-        .short 0xf, 0x1
-        .word 0x0
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804B278
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B604
-        @ PROC_LABEL
-        .short 0xb, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B624
-        @ PROC_SLEEP
-        .short 0xe, 0x20
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B6AC
-        @ PROC_GOTO
-        .short 0xc, 0x0
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x1
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B6B8
-        @ PROC_END
-        .short 0x0, 0x0
-        .word 0x0
-
-
-	.global gUnknown_085AA2B4
-gUnknown_085AA2B4:  @ 0x085AA2B4
-@ Replacing .incbin "baserom.gba", 0x5AA2B4, 0x24
-    .4byte 0x10e20
-    .4byte 0x70228
-    .4byte 0x41020
-    .4byte Events_WM_ChapterIntro + 0xe048
-    .4byte 0x1d20
-    .4byte 0x1b22
-    .4byte 0xd40
-    .4byte sub_804B6CC
-    .4byte 0x120
-
-	.global gUnknown_085AA2D8
-gUnknown_085AA2D8:  @ 0x085AA2D8
-@ Replacing .incbin "baserom.gba", 0x5AA2D8, 0x24
-    .4byte 0x10e20
-    .4byte 0x70228
-    .4byte 0x41020
-    .4byte Events_WM_ChapterIntro + 0x1e048
-    .4byte 0x1d20
-    .4byte 0x1b22
-    .4byte 0xd40
-    .4byte sub_804B6CC
-    .4byte 0x120
-
-	.global gUnknown_085AA2FC
-gUnknown_085AA2FC:  @ 0x085AA2FC
-        @ PROC_LABEL
-        .short 0xb, 0x0
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8049CD4
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8049F38
-        @ PROC_LABEL
-        .short 0xb, 0x1
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8049D0C
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8049D24
-        @ PROC_LABEL
-        .short 0xb, 0x4
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndLinkArenaPointsBox
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B3B0
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_80497A0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word RefreshBMapGraphics
-        @ PROC_GOTO
-        .short 0xc, 0x0
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x2
-        .word 0x0
-        @ PROC_SLEEP
-        .short 0xe, 0x1
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B6F4
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B3D0
-        @ PROC_START_CHILD_BLOCKING
-        .short 0x6, 0x1
-        .word gUnknown_085AA24C + 0x20
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B480
-        @ PROC_LABEL
-        .short 0xb, 0x3
-        .word 0x0
-        @ PROC_SLEEP
-        .short 0xe, 0x1
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B708
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B408
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B518
-        @ PROC_LABEL
-        .short 0xb, 0x5
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8049D0C
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8049F44
-        @ PROC_LABEL
-        .short 0xb, 0x6
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndLinkArenaPointsBox
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B3B0
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_80497A0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word RefreshBMapGraphics
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8049F38
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_80498F4
-        @ PROC_GOTO
-        .short 0xc, 0x5
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x7
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804A430
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndLinkArenaPointsBox
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804A44C
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804A51C
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804A5A4
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804A614
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804A6A4
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8049238
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndLinkArenaPointsBox
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804A7C0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804A9A4
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804AA88
-        @ PROC_LABEL
-        .short 0xb, 0x8
-        .word 0x0
-        @ PROC_END
-        .short 0x0, 0x0
-        .word 0x0
-
-
-	.global gUnknown_085AA4CC
-gUnknown_085AA4CC:  @ 0x085AA4CC
-        @ PROC_LABEL
-        .short 0xb, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8049F38
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804AAFC
-        @ PROC_LABEL
-        .short 0xb, 0x1
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804ABCC
-        @ PROC_GOTO
-        .short 0xc, 0x2
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x3
-        .word 0x0
-        @ PROC_START_CHILD_BLOCKING
-        .short 0x6, 0x1
-        .word gUnknown_085AA24C + 0x20
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_WHILE_EXISTS
-        .short 0x8, 0x0
-        .word ProcScr_Popup
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B554
-        @ PROC_LABEL
-        .short 0xb, 0x4
-        .word 0x0
-        @ PROC_WHILE_EXISTS
-        .short 0x8, 0x0
-        .word ProcScr_Popup
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B5E0
-        @ PROC_LABEL
-        .short 0xb, 0x2
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804ACC4
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndLinkArenaPointsBox
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804A51C
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804A5A4
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804A614
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804A6A4
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8049238
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndLinkArenaPointsBox
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804A7C0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804A9A4
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804AA88
-        @ PROC_LABEL
-        .short 0xb, 0x5
-        .word 0x0
-        @ PROC_END
-        .short 0x0, 0x0
-        .word 0x0
-
-
-	.global gUnknown_085AA5BC
-gUnknown_085AA5BC:  @ 0x085AA5BC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8049F38
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x0
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804AEC4
-        @ PROC_LABEL
-        .short 0xb, 0x1
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804AF5C
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B190
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B1C0
-        @ PROC_LABEL
-        .short 0xb, 0x2
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804B250
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndLinkArenaPointsBox
-        @ PROC_GOTO
-        .short 0xc, 0x4
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x3
-        .word 0x0
-        @ PROC_SLEEP
-        .short 0xe, 0x1
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B6F4
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B43C
-        @ PROC_LABEL
-        .short 0xb, 0x4
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804A51C
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804A5A4
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804A614
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804A6A4
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8049238
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word EndLinkArenaPointsBox
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804A7C0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804A9A4
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804AA88
-        @ PROC_LABEL
-        .short 0xb, 0x5
-        .word 0x0
-        @ PROC_END
-        .short 0x0, 0x0
-        .word 0x0
-
-
-	.global ProcScr_SIOMAIN2
-ProcScr_SIOMAIN2:  @ 0x085AA6BC
-        @ PROC_15
-        .short 0x15, 0x0
-        .word 0x0
-        @ PROC_NAME
-        .short 0x1, 0x0
-        .word 0x80d9fbc
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8049828
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word FadeInBlackSpeed20
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Clear_0203DDDC
-        @ PROC_LABEL
-        .short 0xb, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_80499D0
-        @ PROC_SLEEP
-        .short 0xe, 0x1
-        .word 0x0
-        @ PROC_START_CHILD_BLOCKING
-        .short 0x6, 0x1
-        .word ProcScr_LinkArenaPhaseIntro
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8049964
-        @ PROC_GOTO
-        .short 0xc, 0x0
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x2
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B71C
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_804B76C
-        @ PROC_LABEL
-        .short 0xb, 0x3
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8049B04
-        @ PROC_END
-        .short 0x0, 0x0
-        .word 0x0
-
-
-	.global gUnknown_085AA75C
-gUnknown_085AA75C:  @ 0x085AA75C
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B800
-        @ PROC_SLEEP
-        .short 0xe, 0x1
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word BattleApplyGameStateUpdates
-        @ PROC_WHILE
-        .short 0x14, 0x0
-        .word DoesBMXFADEExist
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word BATTLE_GOTO1_IfNobodyIsDead
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B850
-        @ PROC_SLEEP
-        .short 0xe, 0x20
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word BATTLE_DeleteLinkedMOVEUNIT
-        @ PROC_LABEL
-        .short 0xb, 0x1
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804B8D0
-        @ PROC_END
-        .short 0x0, 0x0
-        .word 0x0
diff --git a/data/sio_tactician.s b/data/sio_tactician.s
deleted file mode 100644
index 8f35337e8..000000000
--- a/data/sio_tactician.s
+++ /dev/null
@@ -1,76 +0,0 @@
-    .section .data
-
-	.global ProcScr_TacticianNameSelection
-ProcScr_TacticianNameSelection:  @ 0x085A9614
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Tactician_InitScreen
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word FadeInBlackSpeed20
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Clear_0203DDDC
-        @ PROC_LABEL
-        .short 0xb, 0x0
-        .word 0x0
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word Tactician_Loop
-        @ PROC_GOTO
-        .short 0xc, 0x2
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x1
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8044FE4
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8044FFC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_804503C
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8045068
-        @ PROC_GOTO
-        .short 0xc, 0x0
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x3
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word NameSelect_DrawName
-        @ PROC_REPEAT
-        .short 0x3, 0x0
-        .word sub_8045108
-        @ PROC_GOTO
-        .short 0xc, 0x0
-        .word 0x0
-        @ PROC_LABEL
-        .short 0xb, 0x2
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word Set_0203DDDC
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_8013F40
-        @ PROC_YIELD
-        .short 0xe, 0x0
-        .word 0x0
-        @ PROC_CALL
-        .short 0x2, 0x0
-        .word sub_80451F0
-        @ PROC_END
-        .short 0x0, 0x0
-        .word 0x0
diff --git a/include/popup.h b/include/popup.h
index c42c722ba..f6837d518 100755
--- a/include/popup.h
+++ b/include/popup.h
@@ -31,7 +31,7 @@ struct PopupInstruction {
 #define POPUP_ITEM_STR          {POPUP_OP_ITEM_STR, 0}
 #define POPUP_UNIT_NAME         {POPUP_OP_UNIT_NAME, 0}
 #define POPUP_MSG(msg)          {POPUP_OP_MSG, msg}
-#define POPUP_STR(ptr)          {POPUP_OP_STR, (ptr)}
+#define POPUP_STR(ptr)          {POPUP_OP_STR, ((uintptr_t)ptr)}
 #define POPUP_COLOR(color)      {POPUP_OP_COLOR, color}
 #define POPUP_ITEM_ICON         {POPUP_OP_ITEM_ICON, 0}
 #define POPUP_WTYPE_ICON        {POPUP_OP_WTYPE_ICON, 0}
diff --git a/include/sio.h b/include/sio.h
index 027caf522..ce304b6d6 100644
--- a/include/sio.h
+++ b/include/sio.h
@@ -1,9 +1,12 @@
 #pragma once
 
 #include "global.h"
+#include "sio_core.h"
+
 #include "proc.h"
 #include "mu.h"
 #include "bmsave.h"
+#include "uimenu.h"
 
 struct Proc085AAAC4 {
     PROC_HEADER;
@@ -126,7 +129,7 @@ struct ProcSioHold {
 
 void SioHold_Loop(struct ProcSioHold * proc);
 ProcPtr StartSioHold(ProcPtr parent, int x, int y, int y_max, int y_min);
-// ??? EndSioHold(???);
+void EndSioHold(void);
 void sub_804303C(ProcPtr proc, int num);
 void ClearSioBG(void);
 void sub_804309C(void);
@@ -134,9 +137,9 @@ void sub_8043100(int, int);
 void sub_8043164(void);
 void sub_80431B4(struct Unit * unit);
 void SioPlaySoundEffect(int);
-// ??? sub_8043244(???);
+void sub_8043244(void);
 bool IsKeyInputSequenceComplete(const u16 * list);
-// ??? sub_80432F4(???);
+bool sub_80432F4(void);
 
 /* sio_teamlist.c */
 
@@ -176,33 +179,36 @@ struct SioTeamListProc
     /* 5C */ s8 unk_5c;
 };
 
-// ??? StartLinkArenaTeamList(???);
-// ??? SioTeamList_Init(???);
-// ??? CanBuildNewLinkArenaTeam(???);
-// ??? sub_8043394(???);
-// ??? sub_80433C0(???);
-// ??? DrawLinkArenaTeamName(???);
-// ??? sub_804352C(???);
-// ??? sub_8043548(???);
-// ??? SioTeamList_EraseTeam(???);
-// ??? SioTeamList_SwapTeams(???);
-// ??? sub_80437C0(???);
-// ??? GetLATeamListHelpTextId(???);
-// ??? SioTeamList_SetupGfx(???);
-// ??? SioTeamList_Main_HandleDPadInput(???);
-// ??? SioTeamList_Loop_MainKeyHandler(???);
-// ??? SioTeamList_StartUnitList(???);
-// ??? SioTeamList_WaitForUnitListScreen(???);
-// ??? sub_8043D5C(???);
-// ??? SioTeamList_8043D8C(???);
-// ??? sub_8044280(???);
-// ??? SioTeamList_804429C(???);
-// ??? SioTeamList_8044324(???);
-// ??? SioTeamList_StartEraseTeamSubMenu(???);
-// ??? SioTeamList_EraseTeam_KeyHandler(???);
-// ??? SioTeamList_LoadTeam_Dummy(???);
-
-void sub_8044560(struct ProcTactician * proc, u8 * str);
+int sub_80437C0(u8, struct SioTeamListProc *);;
+bool CanBuildNewLinkArenaTeam(void);;
+bool sub_8043394(void);;
+void StartLinkArenaTeamList(ProcPtr parent);
+void SioTeamList_Init(struct SioTeamListProc * proc);
+bool CanBuildNewLinkArenaTeam(void);
+bool sub_8043394(void);
+int sub_80433C0(int activeOption, u8 mode);
+void DrawLinkArenaTeamName(int idx);
+void sub_804352C(struct SioTeamListProc * proc);
+void sub_8043548(struct SioTeamListProc * proc, u8 mode);
+void SioTeamList_EraseTeam(struct SioTeamListProc * proc);
+void SioTeamList_SwapTeams(struct SioTeamListProc * proc);
+int sub_80437C0(u8 mode, struct SioTeamListProc * proc);
+u16 GetLATeamListHelpTextId(struct SioTeamListProc * proc);
+void SioTeamList_SetupGfx(struct SioTeamListProc * proc);
+void SioTeamList_Main_HandleDPadInput(int * selection, u8 max, u8 min, u8 total);
+void SioTeamList_Loop_MainKeyHandler(struct SioTeamListProc * proc);
+void SioTeamList_StartUnitList(struct SioTeamListProc * proc);
+void SioTeamList_WaitForUnitListScreen(ProcPtr proc);
+int sub_8043D5C(void);
+void SioTeamList_8043D8C(struct SioTeamListProc * proc);
+void sub_8044280(struct SioProc85AAA78 * proc, s8 b);
+void SioTeamList_804429C(struct SioTeamListProc * proc);
+void SioTeamList_8044324(struct SioTeamListProc * proc);
+void SioTeamList_StartEraseTeamSubMenu(struct SioTeamListProc * proc);
+void SioTeamList_EraseTeam_KeyHandler(struct SioTeamListProc * proc);
+void SioTeamList_LoadTeam_Dummy(struct SioTeamListProc * proc);
+
+void sub_8044560(struct ProcTactician * proc, u8 * str_buf);
 void sub_8044614(struct ProcTactician * proc);
 void TacticianDrawCharacters(struct ProcTactician * proc);
 int StrLen(u8 * buf);
@@ -212,73 +218,170 @@ void sub_80449E8(struct ProcTactician * proc, int idx, const struct TacticianTex
 void TacticianTryAppendChar(struct ProcTactician * proc, const struct TacticianTextConf * conf);
 void TacticianTryDeleteChar(struct ProcTactician * proc, const struct TacticianTextConf * conf);
 void SaveTactician(struct ProcTactician * proc, const struct TacticianTextConf * conf);
-// ??? sub_8044B78(???);
-// ??? sub_8044C54(???);
-// ??? Tactician_Loop(???);
-// ??? sub_8044F84(???);
-// ??? sub_8044FE4(???);
-// ??? sub_8044FFC(???);
-// ??? sub_804503C(???);
-// ??? sub_8045068(???);
-// ??? NameSelect_DrawName(???);
-// ??? sub_8045108(???);
-// ??? sub_80451F0(???);
-// ??? SioPostBattleSprites_Init(???);
-// ??? SioPostBattleSprites_Loop_DrawSlideIn(???);
-// ??? SioPostBattleSprites_Loop_DrawStatic(???);
-// ??? StartDrawLinkArenaRankSprites(???);
-// ??? sub_80454E4(???);
-// ??? sub_804556C(???);
-// ??? SioPostBattle_StartMusicProc(???);
-// ??? SioPostBattle_Init(???);
-// ??? SioPostBattle_Loop_Main(???);
-// ??? SioPostBattle_AwaitAPress(???);
-// ??? SioPostBattleMusic_PlayFanfare(???);
-// ??? SioPostBattleMusic_PlayStandardBgm(???);
-// ??? sub_8045930(???);
-// ??? sub_8045A64(???);
-// ??? sub_8045AF4(???);
-// ??? New6C_SIOMAIN2(???);
-// ??? sub_8045C28(???);
-// ??? sub_8045C68(???);
+bool sub_8044B78(struct ProcTactician * proc, const struct TacticianTextConf * conf, u32 c, int d);
+void sub_8044C54(struct ProcTactician * proc, const struct TacticianTextConf * conf);
+void Tactician_Loop(struct ProcTactician * proc);
+void sub_8044F84(void);
+void sub_8044FE4(struct ProcTactician * proc);
+void sub_8044FFC(struct ProcTactician * proc);
+void sub_804503C(struct ProcTactician * proc);
+void sub_8045068(struct ProcTactician * proc);
+void NameSelect_DrawName(struct ProcTactician * proc);
+void sub_8045108(struct ProcTactician * proc);
+void sub_80451F0(void);
+
+struct SioPostBattleProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ ProcPtr unk_2c[4];
+    /* 3C */ STRUCT_PAD(0x3c, 0x40);
+    /* 40 */ u8 unk_40;
+    /* 41 */ u8 unk_41;
+    /* 42 */ u8 playerId;
+    /* 43 */ u8 unk_43;
+    /* 44 */ struct SioProc85A971C_Unk44 unk_44[4];
+    /* 64 */ int unk_64;
+};
+
+struct SioPostBattleSpritesProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ struct SioPostBattleProc * unk_2c;
+    /* 30 */ int x;
+    /* 34 */ int y;
+    /* 38 */ int delayMaybe;
+    /* 3C */ int timer;
+    /* 40 */ u16 fid;
+    /* 42 */ u8 oam2;
+    /* 43 */ u8 ranking;
+};
+
+struct SioPostBattleMusicProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 29 */ STRUCT_PAD(0x29, 0x58);
+    /* 58 */ int isPlayerWinner;
+};
+
+void SioPostBattleSprites_Init(struct SioPostBattleSpritesProc * proc);
+void SioPostBattleSprites_Loop_DrawSlideIn(struct SioPostBattleSpritesProc * proc);
+void SioPostBattleSprites_Loop_DrawStatic(struct SioPostBattleSpritesProc * proc);
+ProcPtr StartDrawLinkArenaRankSprites(struct SioPostBattleProc * parent, int delayMaybe, u16 fid, u8 oam2, u8 ranking);
+void sub_80454E4(struct SioPostBattleProc * proc);
+void sub_804556C(struct SioPostBattleProc * proc);
+ProcPtr SioPostBattle_StartMusicProc(struct SioPostBattleProc * parent);
+void SioPostBattle_Init(struct SioPostBattleProc * proc);
+void SioPostBattle_Loop_Main(struct SioPostBattleProc * proc);
+void SioPostBattle_AwaitAPress(ProcPtr proc);
+void SioPostBattleMusic_PlayFanfare(struct SioPostBattleMusicProc * proc);
+void SioPostBattleMusic_PlayStandardBgm(void);
+
+struct SioBatProc_Unk2C
+{
+    /* 00 */ PROC_HEADER;
+    /* 29 */ STRUCT_PAD(0x29, 0x34);
+    /* 34 */ int unk_34;
+    /* 38 */ int unk_38;
+};
+
+struct SioBatProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ struct SioBatProc_Unk2C * unk_2c;
+    /* 30 */ int unk_30;
+    /* 34 */ int unk_34;
+    /* 38 */ u8 unk_38;
+    /* 39 */ u8 unk_39;
+    /* 3A */ u8 unk_3a;
+    /* 3B */ u8 unk_3b;
+    /* 3C */ STRUCT_PAD(0x3C, 0x4C);
+    /* 4C */ s16 unk_4c;
+    /* 4E */ STRUCT_PAD(0x4E, 0x58);
+    /* 58 */ int unk_58;
+    /* 5C */ STRUCT_PAD(0x5C, 0x64);
+    /* 64 */ s16 unk_64;
+};
+
+int sub_8045930(u8 ranking, u32 playerCount, u32 mode, u32 points);
+void sub_8045A64(struct SioBatProc * proc);
+void sub_8045AF4(void);
+void New6C_SIOMAIN2(void);
+void sub_8045C28(ProcPtr proc);
+void sub_8045C68(const char * str, int x, int y, ProcPtr parent);
 void sub_8045CBC(void);
 void sub_8045CE0(void);
-// ??? sub_8045CEC(???);
-// ??? sub_8045DC0(???);
-// ??? sub_8045F00(???);
-// ??? sub_8045F48(???);
-// ??? sub_804619C(???);
-// ??? sub_8046234(???);
-// ??? sub_80462D4(???);
-// ??? sub_80463A8(???);
-// ??? sub_804645C(???);
-// ??? sub_8046478(???);
-// ??? sub_80464B0(???);
-// ??? sub_8046580(???);
-// ??? sub_8046704(???);
-// ??? sub_80467AC(???);
-// ??? sub_8046838(???);
-// ??? sub_80469AC(???);
-// ??? sub_80469B8(???);
-// ??? sub_80469C4(???);
-// ??? sub_8046C64(???);
-// ??? sub_8046CF0(???);
-// ??? sub_8046D6C(???);
-// ??? sub_8046DB4(???);
-// ??? sub_8046DD0(???);
-// ??? sub_8046DEC(???);
-// ??? sub_8046E0C(???);
-// ??? sub_8046E4C(???);
-// ??? DrawLinkArenaRankIcon(???);
-void DrawLinkArenaModeIcon(u16 *, u32);
-// ??? DrawLinkArenaRankingRow(???);
-// ??? DrawLinkArenaRankings(???);
-// ??? SioResult_Init(???);
-// ??? SioResult_Loop_Main(???);
-// ??? sub_8047308(???);
-// ??? SioResult_NewHS_Init(???);
-// ??? SioResult_NewHS_LoopScroll(???);
-// ??? SioResult_NewHS_AwaitAPress(???);
+void sub_8045CEC(void);
+void sub_8045DC0(struct SioBatProc * proc);
+void sub_8045F00(ProcPtr proc);
+void sub_8045F48(struct SioBatProc * proc);
+void sub_804619C(struct SioBatProc * proc);
+void sub_8046234(struct SioBatProc * proc);
+void sub_80462D4(struct SioBatProc * proc);
+void sub_80463A8(struct SioBatProc * proc);
+void sub_804645C(void);
+void sub_8046478(struct Unit * unit);
+void sub_80464B0(struct SioBatProc * proc);
+void sub_8046580(struct SioBatProc * proc);
+void sub_8046704(struct SioBatProc * proc);
+void sub_80467AC(struct SioBatProc * proc);
+void sub_8046838(ProcPtr proc);
+void sub_80469AC(void);
+void sub_80469B8(void);
+
+struct SioTermProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ int unk_2c[3];
+    /* 38 */ int unk_38[3];
+    /* 44 */ STRUCT_PAD(0x44, 0x48);
+    /* 48 */ int unk_48;
+    /* 4C */ int unk_4c;
+    /* 50 */ int unk_50;
+};
+
+void sub_80469C4(struct SioTermProc * proc);
+void sub_8046C64(int * cur, u8 bottom, u8 top, int * buf, u8 total);
+void sub_8046CF0(struct SioTermProc * proc);
+void sub_8046D6C(struct SioTermProc * proc);
+void sub_8046DB4(ProcPtr proc);
+void sub_8046DD0(ProcPtr proc);
+void sub_8046DEC(ProcPtr proc);
+void sub_8046E0C(ProcPtr proc);
+void sub_8046E4C(void);
+
+struct SioResultProcUnk2C
+{
+    /* 00 */ PROC_HEADER;
+    /* 29 */ STRUCT_PAD(0x29, 0x30);
+    /* 30 */ int unk_30;
+};
+
+struct SioResultProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ struct SioResultProcUnk2C * unk_2c;
+    /* 30 */ int unk_30;
+    /* 34 */ u8 unk_34;
+    /* 35 */ u8 unk_35;
+    /* 36 */ u16 unk_36;
+    /* 38 */ s8 unk_38;
+    /* 39 */ u8 unk_39;
+    /* 3A */ STRUCT_PAD(0x3A, 0x3C);
+    /* 3C */ int unk_3c;
+    /* 40 */ int unk_40;
+};
+
+void DrawLinkArenaRankIcon(u16 * tm, u32 base);
+void DrawLinkArenaModeIcon(u16 * tm, u32 base);
+void DrawLinkArenaRankingRow(struct Text * th, char * nameStr, u8 rank, u16 points, u8 playerCount);
+void DrawLinkArenaRankings(void);
+void SioResult_Init(struct SioResultProc * proc);
+void SioResult_Loop_Main(struct SioResultProc * proc);
+u8 sub_8047308(int var);
+void SioResult_NewHS_Init(struct SioResultProc * proc);
+void SioResult_NewHS_LoopScroll(struct SioResultProc * proc);
+void SioResult_NewHS_AwaitAPress(ProcPtr proc);
+void StartSioResultNewHighScore(int value, ProcPtr parent);
 
 /* sio_rulesettings.c */
 
@@ -300,10 +403,10 @@ extern const struct LinkArenaRuleInfo gLinkArenaRuleData[];
 
 void StartSioResultNewHighScore(int value, ProcPtr parent);
 void LoadLinkArenaRuleSettings(u8 * buf);
-// ??? SaveLinkArenaRuleSettings(???);
+void SaveLinkArenaRuleSettings(u8 * buf);
 void sub_80476CC(int idx, int state);
-// ??? SioRuleSettings_Init(???);
-// ??? SioRuleSettings_Loop_Main(???);
+void SioRuleSettings_Init(struct ProcSioRuleSettings * proc);
+void SioRuleSettings_Loop_Main(struct ProcSioRuleSettings * proc);
 
 struct SioProc85AA9C0
 {
@@ -336,269 +439,477 @@ struct SioMenuProc
     /* 59 */ s8 unk_59;
 };
 
-int sub_8047A54(struct SioMenuProc *, int);
-// ??? CheckSomethingSaveRelated(???);
-// ??? SioMenu_Init(???);
-// ??? SioMenu_LoadGraphics(???);
-// ??? SioMenu_8047C60(???);
-// ??? sub_8047CF0(???);
-// ??? SioMenu_RestartGraphicsMaybe(???);
-// ??? SioMenu_HandleDPadInput(???);
-// ??? SioMenu_Loop_HandleKeyInput(???);
-// ??? SioMenu_80480B4(???);
-// ??? SioMenu_End(???);
-void StartLinkArenaMainMenu(ProcPtr);
-
-void sub_8048260(ProcPtr); // StartNameSelect
-// ??? StartTacticianNameSelect(???);
-
-// ??? XMapTransfer_80482E0(???);
-// ??? XMapTransfer_80483F8(???);
-// ??? XMapTransfer_8048418(???);
-// ??? XMapTransfer_8048460(???);
-// ??? PutXMapProgressPercent(???);
-// ??? DrawXMapSendProgress(???);
-// ??? DrawXMapReceiveProgress(???);
-// ??? StartXMapTransfer(???);
-// ??? XMapTransfer_AwaitCompletion(???);
-// ??? sub_80486D4(???);
-// ??? sub_80486E8(???);
-// ??? XMapTransfer_8048730(???);
-// ??? sub_804879C(???);
-// ??? sub_80487C0(???);
-// ??? sub_804881C(???);
-// ??? EraseSaveData(???);
+int sub_8047A54(struct SioMenuProc * proc, int lineNum);
+bool CheckSomethingSaveRelated(void);
+void SioMenu_Init(void);
+void SioMenu_LoadGraphics(struct SioMenuProc * proc);
+void SioMenu_8047C60(struct SioMenuProc * proc);
+void sub_8047CF0(struct SioMenuProc * proc);
+void SioMenu_RestartGraphicsMaybe(struct SioMenuProc * proc);
+void SioMenu_HandleDPadInput(struct SioMenuProc * proc, u8 b);
+void SioMenu_Loop_HandleKeyInput(struct SioMenuProc * proc);
+void SioMenu_80480B4(struct SioMenuProc * proc);
+void SioMenu_End(struct SioMenuProc * proc);
+void StartLinkArenaMainMenu(ProcPtr parent);
+
+void sub_8048260(ProcPtr parent);
+void StartTacticianNameSelect(ProcPtr parent);
+bool XMapTransfer_80482E0(ProcPtr proc);
+void XMapTransfer_80483F8(ProcPtr proc);
+void XMapTransfer_8048418(ProcPtr proc);
+bool XMapTransfer_8048460(ProcPtr proc);
+void PutXMapProgressPercent(struct Text * th, const char * str, int number);
+void DrawXMapSendProgress(struct SioBigSendProc * proc);
+void DrawXMapReceiveProgress(struct SioBigReceiveProc * proc);
+void StartXMapTransfer(struct SioBigSendProc * proc);
+bool XMapTransfer_AwaitCompletion(void);
+void sub_80486D4(void);
+bool sub_80486E8(void);
+void XMapTransfer_8048730(void);
+void sub_804879C(void);
+void sub_80487C0(struct Proc * proc);
+void sub_804881C(void);
+void EraseSaveData(void);
 void CallEraseSaveEvent(void);
-// ??? sub_8048864(???);
-void sub_8048884(struct SioProc85A971C_Unk44 *);
-// ??? DrawLinkArenaPointsBox(???);
-// ??? LAPointsBox_LoadBoxes(???);
-// ??? LAPointsBox_Dummy(???);
+
+struct LAPointsBoxProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ struct Text text[4];
+};
+
+struct PointsNumberMoverProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2A */ s16 x;
+    /* 2C */ s16 y;
+    /* 2E */ s16 xTarget;
+    /* 30 */ s16 yTarget;
+    /* 32 */ u8 playerId;
+    /* 33 */ u8 unitId;
+    /* 34 */ int difference;
+    /* 38 */ u32 newScore;
+    /* 3C */ u32 timer;
+    /* 40 */ s8 unk_40;
+    /* 41 */ STRUCT_PAD(0x41, 0x44);
+    /* 44 */ int unk_44; // used for showing the "rolling" number while accumulating points
+    /* 48 */ struct Text text;
+};
+
+struct PointsSpriteTextProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ int x;
+    /* 30 */ int y;
+    /* 34 */ STRUCT_PAD(0x34, 0x4C);
+    /* 4C */ s16 timer;
+    /* 4E */ STRUCT_PAD(0x4E, 0x54);
+    /* 54 */ const char * str;
+};
+
+void sub_8048864(void);
+void sub_8048884(struct SioProc85A971C_Unk44 * buf);
+void DrawLinkArenaPointsBox(struct Text * th, int x, int y, int var, int number);
+void LAPointsBox_LoadBoxes(struct LAPointsBoxProc * proc);
+void LAPointsBox_Dummy(void);
 void StartLinkArenaPointsBox(void);
 void EndLinkArenaPointsBox(void);
-// ??? PointsNumberMover_Init(???);
-// ??? PointsNumberMover_LoopNumberEmerge(???);
-// ??? PointsNumberMover_LoopMoveToPointsBox(???);
-// ??? DrawLinkArenaScoreNumber(???);
-// ??? PointsNumberMover_InitScoreChange(???);
-// ??? PointsNumberMover_TickScore(???);
-// ??? PointsNumberMover_AwaitEnd(???);
-// ??? PointsSpriteText_Init(???);
-// ??? PointsSpriteText_LoopIn(???);
-// ??? PointsSpriteText_LoopOut(???);
-// ??? sub_80490EC(???);
-// ??? sub_8049238(???);
-void sub_804926C(ProcPtr);
-// ??? sub_8049298(???);
-// ??? sub_80492B8(???);
-// ??? sub_80492D8(???);
-// ??? sub_80492E8(???);
-// ??? sub_804933C(???);
-// ??? sub_8049350(???);
-// ??? sub_80493A8(???);
-// ??? sub_80493D0(???);
-// ??? sub_80494D4(???);
-// ??? sub_80494F0(???);
+void PointsNumberMover_Init(struct PointsNumberMoverProc * proc);
+void PointsNumberMover_LoopNumberEmerge(struct PointsNumberMoverProc * proc);
+void PointsNumberMover_LoopMoveToPointsBox(struct PointsNumberMoverProc * proc);
+void DrawLinkArenaScoreNumber(struct Text * th, int x, int y, int number);
+void PointsNumberMover_InitScoreChange(struct PointsNumberMoverProc * proc);
+void PointsNumberMover_TickScore(struct PointsNumberMoverProc * proc);
+void PointsNumberMover_AwaitEnd(struct PointsNumberMoverProc * proc);
+void PointsSpriteText_Init(struct PointsSpriteTextProc * proc);
+void PointsSpriteText_LoopIn(struct PointsSpriteTextProc * proc);
+void PointsSpriteText_LoopOut(struct PointsSpriteTextProc * proc);
+s8 sub_80490EC(int x, int y, const char * str, u8 flag, ProcPtr parent);
+void sub_8049238(ProcPtr proc);
+void sub_804926C(ProcPtr proc);
+
+struct SioBattleMapProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ int unk_2c;
+    /* 30 */ int unk_30;
+    /* 34 */ int unk_34;
+    /* 38 */ int unk_38;
+    /* 3C */ STRUCT_PAD(0x3C, 0x54);
+    /* 54 */ struct MuProc * unk_54;
+    /* 58 */ int unk_58;
+    /* 5C */ int unk_5c;
+};
+
+struct SioProc85AA1AC
+{
+    /* 00 */ PROC_HEADER;
+    /* 29 */ STRUCT_PAD(0x29, 0x64);
+    /* 64 */ s16 unk_64;
+};
+
+void sub_8049298(struct Unit * unit);
+void sub_80492B8(struct Unit * unit);
+void sub_80492D8(void);
+void sub_80492E8(int faction);
+void sub_804933C(void);
+u16 sub_8049350(u8 a, u8 b, u8 c, u8 d);
+int sub_80493A8(u8 target);
+void sub_80493D0(u8 a, int b, u8 * c, int * xOut, int * yOut);
+void sub_80494D4(void);
+void sub_80494F0(void);
 void sub_8049594(void);
-// ??? sub_80495F4(???);
+void sub_80495F4(void);
 void sub_80496A4(void);
-// ??? sub_804970C(???);
-// ??? sub_8049744(???);
+void sub_804970C(void);
+void sub_8049744(void);
 void sub_8049788(void);
-// ??? sub_80497A0(???);
+void sub_80497A0(void);
 void sub_80497CC(void);
-// ??? sub_8049828(???);
-// ??? sub_80498F4(???);
-// ??? sub_8049940(???);
-// ??? sub_8049964(???);
-// ??? sub_80499D0(???);
+void sub_8049828(void);
+void sub_80498F4(void);
+void sub_8049940(ProcPtr proc);
+void sub_8049964(ProcPtr parent);
+void sub_80499D0(ProcPtr proc);
 int sub_8049A60(void);
-// ??? sub_8049B04(???);
-// ??? sub_8049B24(???);
-// ??? sub_8049C18(???);
-// ??? sub_8049C94(???);
-// ??? sub_8049CD4(???);
-// ??? sub_8049D0C(???);
-// ??? sub_8049D24(???);
-// ??? sub_8049F38(???);
-// ??? sub_8049F44(???);
-// ??? sub_804A108(???);
-// ??? sub_804A158(???);
-// ??? sub_804A1D0(???);
-// ??? sub_804A298(???);
-// ??? sub_804A3A8(???);
-// ??? sub_804A430(???);
-// ??? sub_804A44C(???);
-// ??? sub_804A51C(???);
-// ??? sub_804A5A4(???);
-// ??? sub_804A614(???);
-// ??? sub_804A6A4(???);
-// ??? sub_804A7C0(???);
-// ??? sub_804A914(???);
-// ??? sub_804A9A4(???);
-// ??? sub_804AA88(???);
-// ??? sub_804AAA4(???);
-// ??? sub_804AADC(???);
-// ??? sub_804AAFC(???);
-// ??? sub_804ABB4(???);
-// ??? sub_804ABCC(???);
-// ??? sub_804AC68(???);
-// ??? sub_804ACAC(???);
-// ??? sub_804ACC4(???);
-// ??? sub_804ADA0(???);
-// ??? sub_804AE08(???);
-// ??? sub_804AE7C(???);
-// ??? sub_804AEC4(???);
-// ??? ITEMRANGEDONE_sub_804AF2C(???);
-// ??? sub_804AF5C(???);
-// ??? sub_804B190(???);
-// ??? sub_804B1C0(???);
-// ??? sub_804B250(???);
-// ??? sub_804B278(???);
+void sub_8049B04(void);
+void sub_8049B24(u16 keys, s8 flag);
+void sub_8049C18(void);
+bool sub_8049C94(struct Unit * unit);
+void sub_8049CD4(ProcPtr proc);
+void sub_8049D0C(ProcPtr proc);
+void sub_8049D24(struct SioBattleMapProc * proc);
+void sub_8049F38(ProcPtr unused);
+void sub_8049F44(struct SioBattleMapProc * proc);
+void sub_804A108(struct SioProc85AA1AC * proc);
+void sub_804A158(struct SioProc85AA1AC * proc);
+void sub_804A1D0(struct SioProc85AA1AC * proc);
+void sub_804A298(struct SioProc85AA1AC * proc);
+void sub_804A3A8(ProcPtr proc);
+void sub_804A430(ProcPtr parent);
+void sub_804A44C(struct SioBattleMapProc * proc);
+void sub_804A51C(struct SioBattleMapProc * proc);
+void sub_804A5A4(void);
+void sub_804A614(ProcPtr proc);
+void sub_804A6A4(ProcPtr proc);
+void sub_804A7C0(ProcPtr proc);
+void sub_804A914(void);
+void sub_804A9A4(ProcPtr proc);
+void sub_804AA88(void);
+void sub_804AAA4(void);
+bool sub_804AADC(void * data);
+
+struct SioProc85AA4CC
+{
+    PROC_HEADER;
+    int unk_2c;
+    int unk_30;
+    int unk_34;
+    int unk_38;
+};
+
+void sub_804AAFC(struct SioProc85AA4CC * proc);
+bool sub_804ABB4(void * data);
+void sub_804ABCC(struct SioProc85AA4CC * proc);
+void sub_804AC68(struct Unit * unit, int idx, int * xOut, int * yOut);
+bool sub_804ACAC(void * data);
+void sub_804ACC4(struct SioProc85AA4CC * proc);
+int sub_804ADA0(struct Unit * unit);
+int sub_804AE08(int playerId);
+bool sub_804AE7C(struct SioBattleMapProc * proc, int b);
+void sub_804AEC4(ProcPtr proc);
+int ITEMRANGEDONE_sub_804AF2C(int unused, struct Unit * unit);
+void sub_804AF5C(struct SioBattleMapProc * proc);
+void sub_804B190(ProcPtr proc);
+void sub_804B1C0(struct SioProc85AA4CC * proc);
+void sub_804B250(ProcPtr proc);
+void sub_804B278(void);
 void sub_804B38C(void);
 void sub_804B3A0(void);
-// ??? sub_804B3B0(???);
-// ??? sub_804B3D0(???);
-// ??? sub_804B408(???);
-// ??? sub_804B43C(???);
-// ??? sub_804B480(???);
-// ??? sub_804B518(???);
-// ??? sub_804B554(???);
-// ??? sub_804B5E0(???);
-// ??? sub_804B604(???);
-// ??? sub_804B624(???);
-// ??? sub_804B6AC(???);
-// ??? sub_804B6B8(???);
-// ??? sub_804B6CC(???);
-// ??? sub_804B6F4(???);
-// ??? sub_804B708(???);
-// ??? sub_804B71C(???);
-// ??? sub_804B76C(???);
-// ??? sub_804B7E4(???);
-// ??? sub_804B800(???);
-// ??? sub_804B850(???);
-// ??? sub_804B8D0(???);
+void sub_804B3B0(ProcPtr proc);
+void sub_804B3D0(ProcPtr proc);
+void sub_804B408(ProcPtr proc);
+void sub_804B43C(struct SioBattleMapProc * proc);
+void sub_804B480(struct SioBattleMapProc * proc);
+void sub_804B518(ProcPtr proc);
+void sub_804B554(struct SioBattleMapProc * proc);
+void sub_804B5E0(ProcPtr proc);
+void sub_804B604(struct SioBattleMapProc * proc);
+void sub_804B624(struct SioBattleMapProc * proc);
+void sub_804B6AC(struct SioBattleMapProc * proc);
+void sub_804B6B8(void);
+void sub_804B6CC(void);
+void sub_804B6F4(void);
+void sub_804B708(void);
+void sub_804B71C(struct SioBattleMapProc * proc);
+void sub_804B76C(struct SioBattleMapProc * proc);
+void sub_804B7E4(ProcPtr proc);
+void sub_804B800(void);
+void sub_804B850(struct SioBattleMapProc * proc);
+void sub_804B8D0(void);
 void Set_0203DDDC(void);
 void Clear_0203DDDC(void);
-// ??? sub_804B938(???);
-// ??? sub_804B964(???);
-// ??? sub_804B9A4(???);
-// ??? sub_804B9BC(???);
-// ??? sub_804B9E4(???);
-// ??? sub_804BB54(???);
-// ??? sub_804BBA0(???);
-// ??? sub_804BC3C(???);
-// ??? sub_804BC84(???);
-// ??? sub_804BD2C(???);
-// ??? sub_804BD3C(???);
-// ??? sub_804BDD8(???);
-// ??? sub_804BDFC(???);
-// ??? sub_804BE88(???);
-// ??? sub_804BE98(???);
-// ??? sub_804BEB8(???);
-// ??? sub_804BED8(???);
-// ??? sub_804BF30(???);
-void StartLinkArenaMUDeathFade(struct MuProc *);
-// ??? sub_804BFAC(???);
-// ??? sub_804BFF8(???);
-// ??? SioWarp_Init(???);
-// ??? SioWarp_Loop(???);
-// ??? SioWarp_End(???);
-// ??? SioWarpFx_StartSioWarp(???);
-// ??? SioWarpFx_804C178(???);
-// ??? SioWarpFx_HideMoveUnit(???);
-// ??? SioWarpFx_SetMUPosition(???);
-// ??? SioWarpFx_ShowMoveUnit(???);
-// ??? SioWarpFx_804C1D8(???);
-// ??? SioWarpFx_AwaitSioWarp(???);
-ProcPtr StartSioWarpFx(struct Unit *, struct MuProc *, int, int, int, int, ProcPtr);
-// ??? sub_804C260(???);
-void PutLinkArenaButtonSpriteAt(int, int);
-// ??? LAButtonSprites_Loop(???);
-void StartLinkArenaButtonSpriteDraw(int, int, ProcPtr);
+
+struct SioProc85AA7B4
+{
+    /* 00 */ PROC_HEADER;
+    /* 29 */ STRUCT_PAD(0x29, 0x4C);
+    /* 4C */ s16 unk_4c;
+    /* 4E */ STRUCT_PAD(0x4E, 0x64);
+    /* 64 */ s16 unk_64;
+};
+
+void Set_0203DDDC(void);
+void Clear_0203DDDC(void);
+void sub_804B938(void);
+void sub_804B964(void);
+void sub_804B9A4(void);
+void sub_804B9BC(void);
+void sub_804B9E4(s16 * a, int b, int c, int d, int e, int f, int g, int h, int i, s16 j, u16 k);
+void sub_804BB54(struct SioProc85AA7B4 * proc);
+void sub_804BBA0(struct SioProc85AA7B4 * proc);
+void sub_804BC3C(void);
+void sub_804BC84(u16 a, ProcPtr parent);
+void sub_804BD2C(ProcPtr parent);
+void sub_804BD3C(struct SioProc85AA7B4 * proc);
+void sub_804BDD8(void);
+void sub_804BDFC(u16 a, ProcPtr parent);
+void sub_804BE88(ProcPtr parent);
+void sub_804BE98(ProcPtr proc);
+void sub_804BEB8(ProcPtr proc);
+
+struct SioProc85AA83C
+{
+    /* 00 */ PROC_HEADER;
+    /* 29 */ STRUCT_PAD(0x29, 0x2C);
+    /* 2C */ struct MuProc * muProc;
+};
+
+struct SioWarpProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 29 */ STRUCT_PAD(0x29, 0x2C);
+    /* 2C */ struct Unit * unit;
+    /* 30 */ struct MuProc * muProc;
+    /* 34 */ int x;
+    /* 38 */ int y;
+    /* 3C */ int facing;
+    /* 40 */ u8 unk_40;
+    /* 41 */ s8 playStepSe;
+};
+
+struct SioProc85AA954
+{
+    /* 00 */ PROC_HEADER;
+    /* 29 */ STRUCT_PAD(0x29, 0x2C);
+    /* 2C */ int x;
+    /* 30 */ int y;
+};
+
+void sub_804BED8(struct MuProc * muProc, int kind);
+void sub_804BF30(struct SioProc85AA83C * proc);
+void StartLinkArenaMUDeathFade(struct MuProc * muProc);
+void sub_804BFAC(struct MuProc * muProc, int palIdx);
+void sub_804BFF8(struct MuProc * muProc);
+void SioWarp_Init(struct SioWarpProc * proc);
+void SioWarp_Loop(struct SioWarpProc * proc);
+void SioWarp_End(void);
+void SioWarpFx_StartSioWarp(struct SioWarpProc * parent);
+void SioWarpFx_804C178(struct SioWarpProc * proc);
+void SioWarpFx_HideMoveUnit(struct SioWarpProc * proc);
+void SioWarpFx_SetMUPosition(struct SioWarpProc * proc);
+void SioWarpFx_ShowMoveUnit(struct SioWarpProc * proc);
+void SioWarpFx_804C1D8(struct SioWarpProc * proc);
+void SioWarpFx_AwaitSioWarp(ProcPtr proc);
+ProcPtr StartSioWarpFx(struct Unit * unit, struct MuProc * muProc, int x, int y, int facing, u8 playStepSe, ProcPtr parent);
+ProcPtr sub_804C260(struct Unit * unit, struct MuProc * muProc, int x, int y, int facing, u8 playStepSe, ProcPtr parent);
+void PutLinkArenaButtonSpriteAt(int x, int y);
+void LAButtonSprites_Loop(struct SioProc85AA954 * proc);
+void StartLinkArenaButtonSpriteDraw(int x, int y, ProcPtr parent);
 void EndLinkArenaButtonSpriteDraw(void);
+
+struct LinkArenaTitleBannerProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ int unk_2c;
+    /* 30 */ int unk_30;
+    /* 34 */ STRUCT_PAD(0x34, 0x58);
+    /* 58 */ int unk_58;
+    /* 5C */ u32 chr;
+};
+
 void InitSioBG(void);
-void sub_804C3A0(int, int);
-void sub_804C3A4(int);
+void sub_804C3A0(int unusedA, int unusedB);
+void sub_804C3A4(int unused);
 void nullsub_13(void);
-// ??? sub_804C3AC(???);
-// ??? LATitleBanner_Init(???);
-// ??? LATitleBanner_Loop(???);
-void StartLinkArenaTitleBanner(ProcPtr parent, int, int);
+void sub_804C3AC(u8 * src, u8 * dst, int c, int d);
+void LATitleBanner_Init(struct LinkArenaTitleBannerProc * proc);
+void LATitleBanner_Loop(void);
+void StartLinkArenaTitleBanner(ProcPtr parent, int size, int chr);
 void sub_804C4F8(void);
 void sub_804C508(void);
 void sub_804C558(void);
 void sub_804C590(void);
-// ??? sub_804C5A4(???);
-// ??? sub_804C5F8(???);
-ProcPtr sub_804C758(ProcPtr, u8, u8, u8, u8);
-void sub_804C7C8(struct SioProc85AA9C0 * proc, int, int, int, int);
+void sub_804C5A4(u8 idx);
+void sub_804C5F8(struct SioProc85AA9C0 * proc);
+ProcPtr sub_804C758(ProcPtr parent, u8 xBase, u8 yBase, u8 d, u8 e);
+void sub_804C7C8(struct SioProc85AA9C0 * proc, int b, int c, int d, int e);
 void sub_804C7DC(struct SioProc85AA9C0 * proc, s16 x, s16 y);
-// ??? sub_804C7E4(???);
-// ??? sub_804C83C(???);
-// ??? sub_804C894(???);
+void sub_804C7E4(void);
+void sub_804C83C(void);
+void sub_804C894(struct SioProc85AAA78 * proc);
 ProcPtr sub_804CAEC(struct SioTeamListProc * parent, int numActiveOptions, u8 * buf);
-// ??? LATeamSpriteDraw_Loop(???);
-void PutLinkArenaTeamSprites(int x, int y, int upperBound, int lowerBound, int count, ProcPtr parent);
-void ScrollMultiArenaTeamSprites(int);;
-// ??? UpdateNameEntrySpriteGlow(???);
-// ??? NameEntrySpriteDraw_Loop(???);
-ProcPtr StartNameEntrySpriteDraw(ProcPtr parent, int a, int b);
-void UpdateNameEntrySpriteDraw(void *, int, int, int, int, int);
-// ??? RuleSettingSprites_Interactive_Loop(???);
-// ??? RuleSettingSprites_Static_Loop(???);
-ProcPtr StartRuleSettingSpriteDrawInteractive(ProcPtr);
+
+struct LATeamSpriteDrawProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ int xBase;
+    /* 30 */ int yBase;
+    /* 34 */ int yMin;
+    /* 38 */ int yMax;
+    /* 3C */ int numTeams;
+};
+
+void LATeamSpriteDraw_Loop(struct LATeamSpriteDrawProc * proc);
+void PutLinkArenaTeamSprites(int x, int y, int yMax, int yMin, int count, ProcPtr parent);
+void ScrollMultiArenaTeamSprites(int amount);
+void UpdateNameEntrySpriteGlow(void);
+
+struct NameEntrySpriteDrawProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ int xCurrent;
+    /* 30 */ int yCurrent;
+    /* 34 */ int xNew;
+    /* 38 */ int yNew;
+    /* 3C */ int cursorKind;
+    /* 40 */ int xPointer;
+    /* 44 */ int unk_44; // maybe mode (Katakana/Hiragana)?
+};
+
+void NameEntrySpriteDraw_Loop(struct NameEntrySpriteDrawProc * proc);
+ProcPtr StartNameEntrySpriteDraw(ProcPtr parent, int x, int y);
+void UpdateNameEntrySpriteDraw(void * proc, int xNew, int yNew, int xPointer, int cursorKind, int f);
+
+struct RuleSettingSpriteDrawProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2A */ s16 yPrevious;
+    /* 2C */ s16 yNew;
+    /* 2E */ s16 xOption;
+    /* 30 */ s16 yOption;
+};
+
+void RuleSettingSprites_Interactive_Loop(struct RuleSettingSpriteDrawProc * proc);
+void RuleSettingSprites_Static_Loop(struct RuleSettingSpriteDrawProc * proc);
+ProcPtr StartRuleSettingSpriteDrawInteractive(ProcPtr parent);
 void StartRuleSettingSpriteDrawStatic(void);
-void UpdateRuleSettingSprites(ProcPtr, s16, s16, s16);
-// ??? UpdateSioMenuBurstGlow(???);
-// ??? SioMenuBurstFx_Loop(???);
-ProcPtr StartSioMenuBurstFx(ProcPtr, int, int);
-// ??? LinkArenaMenuScroll_Init(???);
-// ??? LinkArenaMenuScroll_Loop(???);
-void StartLinkArenaMenuScrollBar(int, int, u8, u8, u8, ProcPtr);
-void UpdateLinkArenaMenuScrollBar(u8, s16);
-// ??? LAPhaseIntro_Init(???);
-// ??? LAPhaseIntro_End(???);
-// ??? LAPhaseIntro_StartBgm(???);
-// ??? sub_804D3F0(???);
-void sub_804D40C(struct Unit *);
-// ??? sub_804D428(???);
-// ??? LAVersusSpriteDraw_Loop(???);
+void UpdateRuleSettingSprites(ProcPtr proc, s16 b, s16 xOption, s16 yOption);
+void UpdateSioMenuBurstGlow(int idx);
+
+struct SioMenuBurstFxProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ int xBase;
+    /* 30 */ int yBase;
+    /* 34 */ STRUCT_PAD(0x34, 0x4C);
+    /* 4C */ s16 glowPalIdx;
+};
+
+void SioMenuBurstFx_Loop(struct SioMenuBurstFxProc * proc);
+ProcPtr StartSioMenuBurstFx(ProcPtr parent, int x, int y);
+
+struct LAMenuScrollBarProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ int xBase;
+    /* 30 */ int yBase;
+    /* 34 */ int unk_34;
+    /* 38 */ int unk_38;
+    /* 3C */ u8 unk_3c;
+    /* 3D */ u8 unk_3d;
+    /* 3E */ s16 unk_3e;
+    /* 40 */ s16 unk_40;
+    /* 42 */ u16 unk_42;
+    /* 44 */ u8 oam2Arrows[2];
+};
+
+void LinkArenaMenuScroll_Init(struct LAMenuScrollBarProc * proc);
+void LinkArenaMenuScroll_Loop(struct LAMenuScrollBarProc * proc);
+void StartLinkArenaMenuScrollBar(int xBase, int yBase, u8 c, u8 d, u8 e, ProcPtr parent);
+void UpdateLinkArenaMenuScrollBar(u8 a, s16 b);
+void LAPhaseIntro_Init(void);
+void LAPhaseIntro_End(void);
+void LAPhaseIntro_StartBgm(void);
+void sub_804D3F0(struct Unit * unit, int itemSlot);
+void sub_804D40C(struct Unit * unit);
+void sub_804D428(void);
+
+struct LAVersusSpriteDrawProc
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ int x;
+    /* 30 */ int yBase;
+    /* 34 */ int unk_34;
+    /* 38 */ int unk_38;
+    /* 3C */ u16 unk_3c[4];
+};
+
+void LAVersusSpriteDraw_Loop(struct LAVersusSpriteDrawProc * proc);
 ProcPtr StartLinkArenaVersusSpriteDraw(int x, int y, ProcPtr parent);
 void EndLinkArenaVersusSpriteDraw(void);
-// ??? GetLinkArenaVersusSpriteDraw(???);
+ProcPtr GetLinkArenaVersusSpriteDraw(void);
 void sub_804D6D4(void);
-// ??? sub_804D724(???);
-// ??? sub_804D778(???);
-// ??? sub_804D7B0(???);
-ProcPtr sub_804D7DC(int, int, ProcPtr);
+void sub_804D724(void);
+void sub_804D778(void);
+
+struct SioProc85AABD8
+{
+    /* 00 */ PROC_HEADER;
+    /* 2C */ int x;
+    /* 30 */ int y;
+};
+
+void sub_804D7B0(struct SioProc85AABD8 * proc);
+ProcPtr sub_804D7DC(int x, int y, ProcPtr parent);
 void sub_804D80C(void);
-void PutLinkArenaChoiceBannerSprite(int, int);
-// ??? sub_804D858(???);
-// ??? sub_804D8A4(???);
-// ??? sub_804D8C8(???);
-// ??? sub_804D8DC(???);
-// ??? sub_804D940(???);
-// ??? sub_804D950(???);
-// ??? MultiBootInit(???);
-// ??? MultiBootMain(???);
-// ??? MultiBootSend(???);
-// ??? MultiBootStartProbe(???);
-// ??? MultiBootStartMaster(???);
-// ??? MultiBootCheckComplete(???);
-// ??? MultiBootHandShake(???);
-// ??? MultiBootWaitCycles(???);
-// ??? MultiBootWaitSendDone(???);
-
-// extern ??? gUnk_Sio_02000000
+void PutLinkArenaChoiceBannerSprite(int x, int y);
+
+u8 sub_804D858(const struct MenuItemDef * def, int number);
+u8 sub_804D8A4(struct MenuProc * menu, struct MenuItemProc * menuItem);
+u8 sub_804D8C8(struct MenuProc * menu, struct MenuItemProc * menuItem);
+int sub_804D8DC(struct MenuProc * menu, struct MenuItemProc * menuItem);
+u8 sub_804D940(struct MenuProc * menu, struct MenuItemProc * menuItem);
+u8 sub_804D950(struct MenuProc * menu);
+int MultiBootSend(struct MultiBootParam * mp, u16 data);;
+int MultiBootCheckComplete(struct MultiBootParam * mp);;
+int MultiBootHandShake(struct MultiBootParam * mp);;
+void MultiBootStartProbe(struct MultiBootParam * mp);;
+void MultiBootWaitSendDone(void);;
+void MultiBootInit(struct MultiBootParam * mp);
+int MultiBootMain(struct MultiBootParam * mp);
+int MultiBootSend(struct MultiBootParam * mp, u16 data);
+void MultiBootStartProbe(struct MultiBootParam * mp);
+void MultiBootStartMaster(struct MultiBootParam * mp, const u8 * srcp, int length, u8 palette_color, s8 palette_speed);
+int MultiBootCheckComplete(struct MultiBootParam * mp);
+int MultiBootHandShake(struct MultiBootParam * mp);
+void MultiBootWaitCycles(u32 cycles);
+void MultiBootWaitSendDone(void);
+
+extern u8 gUnk_Sio_02000000[];
+extern struct Text gUnk_Sio_02000C78[];
+extern s16 gUnk_Sio_02000F00[];
+extern s16 * gUnk_Sio_02001180;
+extern s16 * gUnk_Sio_02001184;
+extern s16 * gUnk_Sio_02001188;
 
 extern struct Font Font_Sio_02000C60;
 // extern ??? gLinkArenaSt
 // extern ??? gUnknown_0203DA30
-// extern ??? gUnk_Sio_0203DA78
+extern struct Text gUnk_Sio_0203DA78;
 extern struct Text gUnk_Sio_0203DA88[];
 extern struct Text Texts_0203DAB0;
-// extern ??? gUnk_Sio_0203DAC0
+extern u8 gUnk_Sio_0203DAC0[];
 extern char gUnk_Sio_0203DAC5[][15];
 
 extern struct Text Texts_0203DB14[10];
@@ -610,7 +921,7 @@ extern struct MultiArenaRankingEnt gSioResultRankings[];
 extern struct Text gSioTexts[];
 extern struct Text Text_0203DB14;
 extern s8 gUnk_Sio_0203DD24;
-// extern ??? gUnk_Sio_0203DD28
+extern int gUnk_Sio_0203DD28;
 extern u16 gKeyInputSequenceBuffer[];
 extern int gKeyInputSequenceTimer;
 // extern ??? gUnk_Sio_0203DD50
@@ -641,8 +952,8 @@ extern u16 const Sprite_080D9DE4[];
 extern u16 const Sprite_080D9DF2[];
 extern u16 const Sprite_080D9E06[];
 extern u16 const Sprite_080D9E0E[];
-// extern ??? gUnknown_080D9E1C
-// extern ??? gUnknown_080D9E44
+extern s16 const gUnknown_080D9E1C[5][4];
+extern const u8 gUnknown_080D9E44[3];
 // extern ??? gLinkArenaRuleData
 
 // extern ??? gUnknown_080D9EC8
@@ -650,9 +961,9 @@ extern u16 const Sprite_080D9E0E[];
 
 // extern ??? gUnknown_080D9F18
 // extern ??? gUnknown_080D9F20
-// extern ??? gUnknown_080D9F28
-// extern ??? gUnknown_080D9F38
-// extern ??? gUnknown_080D9F48
+extern const u8 gUnknown_080D9F28[][4];
+extern const u8 gUnknown_080D9F38[][4];
+extern const struct Vec2 gUnknown_080D9F48[];
 // extern ??? gUnknown_080D9F98
 // extern ??? gUnknown_080D9FA0
 // extern ??? gUnknown_080D9FA8
@@ -679,6 +990,13 @@ extern u16 const Sprite_080D9E0E[];
 // extern ??? Sprite_080DA27E
 // extern ??? Sprite_LinkArena_ChoiceBanner
 
+extern struct ProcCmd ProcScr_DebugMonitor[];
+extern struct ProcCmd ProcScr_SIOTERM[];
+extern struct ProcCmd ProcScr_SIOPRA[];
+extern struct ProcCmd ProcScr_SIOBAT[];
+extern struct ProcCmd ProcScr_SIORESULT[];
+extern struct ProcCmd ProcScr_SIO_RuleSettings[];
+
 extern CONST_DATA struct ProcCmd ProcScr_SIOCON[];
 extern CONST_DATA struct ProcCmd ProcScr_SIOVSYNC[];
 extern CONST_DATA struct ProcCmd ProcScr_SIOMAIN[];
@@ -689,24 +1007,124 @@ extern CONST_DATA u16 gSioList_085A93E0[];
 extern CONST_DATA u16 gSioList_085A93F0[];
 // extern ??? gSioTeamListConfigLut
 extern CONST_DATA struct ProcCmd ProcScr_SioTeamList[];
-// extern ??? ProcScr_TacticianNameSelection
+extern CONST_DATA struct ProcCmd ProcScr_TacticianNameSelection[];
 // extern ??? SpriteArray_085A96D4
-extern struct ProcCmd ProcScr_DebugMonitor[];
-extern struct ProcCmd ProcScr_SIOTERM[];
-extern struct ProcCmd ProcScr_SIOPRA[];
-extern struct ProcCmd ProcScr_SIOBAT[];
-extern struct ProcCmd ProcScr_SIORESULT[];
-extern struct ProcCmd ProcScr_SIO_RuleSettings[];
+// extern ??? SpriteArray_085A96E4
+// extern ??? ProcScr_LinkArenaPostBattle_DrawSprites
+// extern ??? ProcScr_SioPostBattle_PlayMusic
+extern CONST_DATA struct FaceVramEntry gUnknown_085A9864[];
+extern CONST_DATA struct MultiArenaSaveTeam * gUnknown_085A9884;
+// extern ??? ProcScr_SIORESULT_NewHighScore
+// extern ??? FaceConfig_085A9E48
+// extern ??? FaceConfig_085A9E68
+// extern ??? ProcScr_SIOMENU
+// extern ??? EventScr_EraseSaveInfo
+// extern ??? gUnknown_085AA158
+// extern ??? gUnknown_085AA15C
+// extern ??? gUnknown_085AA1AC
+// extern ??? gUnknown_085AA1FC
+// extern ??? gUnknown_085AA21C
+// extern ??? gUnknown_085AA22C
+extern struct ProcCmd CONST_DATA gUnknown_085AA24C[];
+extern struct ProcCmd CONST_DATA gUnknown_085AA26C[];
+// extern ??? gUnknown_085AA2B4
+// extern ??? gUnknown_085AA2D8
+extern struct ProcCmd CONST_DATA gUnknown_085AA2FC[];
+extern CONST_DATA struct ProcCmd gUnknown_085AA4CC[];
+extern CONST_DATA struct ProcCmd gUnknown_085AA5BC[];
+// extern ??? ProcScr_SIOMAIN
+// extern ??? gUnknown_085AA75C
+extern struct ProcCmd CONST_DATA ProcScr_085AA7B4[];
+extern struct ProcCmd CONST_DATA ProcScr_085AA7EC[];
+extern u16 * CONST_DATA PalArray_SolidColors[];
+extern struct ProcCmd CONST_DATA ProcScr_085AA83C[];
+extern u8 CONST_DATA gUnknown_085AA854[];
+extern struct ProcCmd CONST_DATA ProcScr_SIOWARP[];
+extern struct ProcCmd CONST_DATA ProcScr_SIOWARPFX[];
+extern struct ProcCmd CONST_DATA ProcScr_SioWarpFxPartial[];
+extern struct ProcCmd CONST_DATA ProcScr_LAButtonSpriteDraw[];
+extern u16 CONST_DATA Sprite_LinkArena_MenuTitle[];
+extern struct ProcCmd CONST_DATA ProcScr_LinkArenaTitleBanner[];
+extern const u16 * CONST_DATA SpriteArray_SioMenuItems[];
+extern const u16 * CONST_DATA SpriteArray_SioMenuTeamCount[];
+extern struct ProcCmd CONST_DATA ProcScr_085AA9C0[];
+extern u16 CONST_DATA Sprite_LinkArena_TeamName[];
+extern u16 CONST_DATA Sprite_085AA9E6[];
+extern u16 CONST_DATA Sprite_085AA9FA[];
+extern u16 CONST_DATA gUnknown_085AAA0E[];
+extern u16 * CONST_DATA gUnknown_085AAA48[];
+extern u16 Sprite_LinkArena_NameBanner[]; // sprite
+extern u16 CONST_DATA gUnknown_085AAA5E[];
+extern struct ProcCmd CONST_DATA ProcScr_085AAA78[];
+extern struct ProcCmd CONST_DATA ProcScr_LinkArenaTeamSpriteDraw[];
+extern const u16 * CONST_DATA SpriteArray_NameEntryCursor[];
+extern const u16 * CONST_DATA SpriteArray_NameEntryIcons[];
+extern struct ProcCmd CONST_DATA ProcScr_NameEntrySpriteDraw[];
+extern const u16 * CONST_DATA SpriteArray_RuleSettingIcons[];
+extern struct ProcCmd CONST_DATA ProcScr_RuleSettingSpriteDraw_Interactive[];
+extern struct ProcCmd CONST_DATA ProcScr_RuleSettingSpriteDraw_Static[];
+extern struct ProcCmd CONST_DATA ProcScr_SioMenuBurstFx[];
+extern u16 CONST_DATA Sprite_LAMenuScrollBar_UpArrow[];
+extern u16 CONST_DATA Sprite_LAMenuScrollBar_DownArrow[];
+extern u16 CONST_DATA Sprite_LinkArenaMenuScrollBar[];
+extern struct ProcCmd CONST_DATA ProcScr_LinkArenaMenuScrollBar[];
+extern struct ProcCmd CONST_DATA ProcScr_LinkArenaPhaseIntro[];
+extern const u16 * CONST_DATA SpriteArray_LAVersusPlayerNumbers[];
+extern struct ProcCmd CONST_DATA ProcScr_LAVersusSpriteDraw[];
+extern struct ProcCmd CONST_DATA ProcScr_085AABD8[];
+extern struct MenuDef gUnknown_085AADA0;
+extern u8 gUnknown_085AAE0C[];
+extern u8 Img_LinkArenaMenu[];
+extern u8 Img_TacticianSelObj[];
+extern u8 gUnknown_085AC604[]; // img
+extern u8 Img_LinkArenaRankIcons[]; // img
+extern u8 Img_LinkArenaActiveBannerFx[]; // img
+extern u8 gUnknown_085ACEFC[]; // img
+extern u8 Img_LinkArenaPlacementRanks[]; // img
+extern u8 gUnknown_085AD80C[];
+extern u8 gUnknown_085AD9CC[]; // img
+extern u8 Img_LinkArenaPlayerBanners[]; // img
+extern u16 Pal_LinkArenaMenu[];
+extern u16 Pal_TacticianSelObj[];
+extern u16 Pal_LinkArenaRankIcons[]; // pal
+extern u16 gUnknown_085ADDA8[]; // pal
+extern u16 Pal_LinkArenaPlacementRanks[]; // pal
+extern u16 gUnknown_085ADDE8[];
+extern u16 Pal_LinkArenaActiveBannerFx[]; // pal
+extern u16 gUnknown_085ADE28[];
+extern u16 gUnknown_085ADE48[];
+extern u16 Pal_085ADE68[];
+extern u8 gUnknown_085ADE88[]; // tsa?
+extern u8 gUnknown_085ADF40[]; // tsa
+extern u16 Tsa_085AE190[];
+extern u8 Tsa_SioResultRankings[]; // tsa
+extern u8 gUnknown_085AE778[]; // tsa
+extern u8 gUnknown_085AE7EC[];
+extern u8 gUnknown_085AEDD4[];
+extern u8 gUnknown_085AEE90[];
+extern u8 gUnknown_085AEF54[];
+extern u8 gUnknown_085AF02C[];
+extern u16 gUnknown_085AF0F0[];
+extern u16 gUnknown_085AF110[];
+extern u16 gUnknown_085AF130[];
+extern u16 gUnknown_085AF150[];
+extern u8 Img_LinkArenaPostBattleBg[]; // img
+extern u16 Pal_LinkArenaPostBattleBg[]; // pal
+extern u8 Tsa_LinkArenaPostBattleBg[]; // tsa
+extern u8 gUnknown_085B0DE8[];
+extern CONST_DATA u8 gUnknown_085B0F2C[];
 
 extern int gCurrentKeyInSeqIndex;
 extern int gTargetKeyInSeqIndex;
-// extern ??? gUnknown_03001810
-// extern ??? gUnknown_03001818
-// extern ??? gUnknown_0300182C
-// extern ??? gUnknown_03001830
-// extern ??? gUnknown_03001834
-// extern ??? gUnknown_03001838
-// extern ??? gUnknown_03001840
-// extern ??? gUnknown_03001850
+extern u8 gUnknown_03001810;
+extern u8 gUnknown_03001818[];
+extern struct Vec2 gUnknown_0300182C;
+extern int gUnknown_03001830;
+extern u8 gUnknown_03001834[];
+extern struct MuProc * gUnknown_03001838[];
+extern u16 gUnknown_03001840[];
+extern u8 gUnknown_03001850[];
 extern int gUnknown_03001860;
-// extern ??? gUnknown_03001864
+extern u16 gUnknown_03001864[MULTIBOOT_NCHILD];
+extern char gUnknown_03004E86[];
+extern struct SioMessage gUnknown_03004E80;
diff --git a/include/variables.h b/include/variables.h
index 2c3c3abd5..6cc328c4e 100644
--- a/include/variables.h
+++ b/include/variables.h
@@ -22,13 +22,9 @@ extern u8 gPlayStChapterBits[];
 extern u8 gPlayStChapterMode[];
 extern struct PlaySt_OptionBits gPlayStOptionBits[];
 
-// extern ??? gUnk_Sio_02000C78
-// extern ??? gUnk_Sio_02000F00
-// extern ??? gBmMapBuffer
 extern u8 gEkrKakudaiSomeBufLeft[];
-// extern ??? gUnk_Sio_02001180
-// extern ??? gUnk_Sio_02001184
-// extern ??? gUnk_Sio_02001188
+extern u16 gBmMapBuffer[];
+
 // extern ??? gConvoyItemCount
 // extern ??? gUnknown_02002038
 // extern ??? gBanimRightImgSheetBuf
@@ -514,107 +510,6 @@ extern u16 CONST_DATA Pal_EventCursorShinning[];
 
 /* sio.h */
 
-// extern ??? SpriteArray_085A96E4
-// extern ??? ProcScr_LinkArenaPostBattle_DrawSprites
-// extern ??? ProcScr_SioPostBattle_PlayMusic
-// extern ??? gUnknown_085A9864
-// extern ??? gUnknown_085A9884
-// extern ??? ProcScr_SIORESULT_NewHighScore
-// extern ??? FaceConfig_085A9E48
-// extern ??? FaceConfig_085A9E68
-// extern ??? ProcScr_SIOMENU
-// extern ??? EventScr_EraseSaveInfo
-
-// extern ??? gUnknown_085AA158
-// extern ??? gUnknown_085AA15C
-// extern ??? gUnknown_085AA1AC
-// extern ??? gUnknown_085AA1FC
-// extern ??? gUnknown_085AA21C
-// extern ??? gUnknown_085AA22C
-// extern ??? gUnknown_085AA24C
-// extern ??? gUnknown_085AA2B4
-// extern ??? gUnknown_085AA2D8
-// extern ??? gUnknown_085AA2FC
-// extern ??? gUnknown_085AA4CC
-// extern ??? gUnknown_085AA5BC
-// extern ??? ProcScr_SIOMAIN
-// extern ??? gUnknown_085AA75C
-// extern ??? ProcScr_085AA7B4
-// extern ??? ProcScr_085AA7EC
-// extern ??? PalArray_SolidColors
-// extern ??? ProcScr_085AA83C
-// extern ??? gUnknown_085AA854
-// extern ??? ProcScr_SIOWARP
-// extern ??? ProcScr_SIOWARPFX
-// extern ??? ProcScr_SioWarpFxPartial
-// extern ??? ProcScr_LAButtonSpriteDraw
-// extern ??? Sprite_LinkArena_MenuTitle
-// extern ??? ProcScr_LinkArenaTitleBanner
-// extern ??? SpriteArray_SioMenuItems
-// extern ??? SpriteArray_SioMenuTeamCount
-// extern ??? ProcScr_085AA9C0
-// extern ??? Sprite_LinkArena_TeamName
-// extern ??? gUnknown_085AAA0E
-// extern ??? gUnknown_085AAA48
-extern u16 Sprite_LinkArena_NameBanner[]; // sprite
-// extern ??? gUnknown_085AAA5E
-// extern ??? ProcScr_085AAA78
-// extern ??? ProcScr_LinkArenaTeamSpriteDraw
-// extern ??? SpriteArray_NameEntryCursor
-// extern ??? SpriteArray_NameEntryIcons
-// extern ??? ProcScr_NameEntrySpriteDraw
-// extern ??? SpriteArray_RuleSettingIcons
-// extern ??? ProcScr_RuleSettingSpriteDraw_Interactive
-// extern ??? ProcScr_RuleSettingSpriteDraw_Static
-// extern ??? ProcScr_SioMenuBurstFx
-// extern ??? Sprite_LAMenuScrollBar_UpArrow
-// extern ??? Sprite_LAMenuScrollBar_DownArrow
-// extern ??? Sprite_LinkArenaMenuScrollBar
-// extern ??? ProcScr_LinkArenaMenuScrollBar
-// extern ??? SpriteArray_LAVersusPlayerNumbers
-// extern ??? ProcScr_LAVersusSpriteDraw
-// extern ??? ProcScr_085AABD8
-// extern ??? gUnknown_085AADA0
-// extern ??? gUnknown_085AAE0C
-extern u8 Img_LinkArenaMenu[];
-extern u8 Img_TacticianSelObj[];
-extern u8 gUnknown_085AC604[]; // img
-extern u8 Img_LinkArenaRankIcons[]; // img
-extern u8 Img_LinkArenaActiveBannerFx[]; // img
-extern u8 gUnknown_085ACEFC[]; // img
-extern u8 Img_LinkArenaPlacementRanks[]; // img
-// extern ??? gUnknown_085AD80C
-extern u8 gUnknown_085AD9CC[]; // img
-extern u8 Img_LinkArenaPlayerBanners[]; // img
-extern u16 Pal_LinkArenaMenu[];
-extern u16 Pal_TacticianSelObj[];
-extern u16 Pal_LinkArenaRankIcons[]; // pal
-extern u16 gUnknown_085ADDA8[]; // pal
-extern u16 Pal_LinkArenaPlacementRanks[]; // pal
-// extern ??? gUnknown_085ADDE8
-extern u16 Pal_LinkArenaActiveBannerFx[]; // pal
-// extern ??? gUnknown_085ADE28
-// extern ??? gUnknown_085ADE48
-extern u16 Pal_085ADE68[];
-extern u8 gUnknown_085ADE88[]; // tsa?
-extern u8 gUnknown_085ADF40[]; // tsa
-extern u16 Tsa_085AE190[];
-extern u8 Tsa_SioResultRankings[]; // tsa
-extern u8 gUnknown_085AE778[]; // tsa
-extern u8 gUnknown_085AE7EC[];
-extern u8 gUnknown_085AEDD4[];
-extern u8 gUnknown_085AEE90[];
-extern u8 gUnknown_085AEF54[];
-extern u8 gUnknown_085AF02C[];
-extern u16 gUnknown_085AF0F0[];
-extern u16 gUnknown_085AF110[];
-extern u16 gUnknown_085AF130[];
-extern u16 gUnknown_085AF150[];
-extern u8 Img_LinkArenaPostBattleBg[]; // img
-extern u16 Pal_LinkArenaPostBattleBg[]; // pal
-extern u8 Tsa_LinkArenaPostBattleBg[]; // tsa
-// extern ??? gUnknown_085B0DE8
-// extern ??? gUnknown_085B0F2C
 // extern ??? gProcScr_TargetSelection
 // extern ??? gNearTargetLinkOrder
 extern const u8  gUiFrameImage[];
diff --git a/ldscript.txt b/ldscript.txt
index c16a10682..0a404085a 100644
--- a/ldscript.txt
+++ b/ldscript.txt
@@ -719,14 +719,13 @@ SECTIONS
         . = ALIGN(4); data/const_data_sio.o(.rodata);
         . = ALIGN(4); src/sio_main2.o(.rodata);
         . = ALIGN(4); src/sio_postbattle.o(.rodata);
-        . = ALIGN(4); data/const_data_D8714.o(.rodata);
         . = ALIGN(4); src/sio_result.o(.rodata);
         . = ALIGN(4); src/sio_rulesettings.o(.rodata);
         . = ALIGN(4); src/sio_menu.o(.rodata);
         . = ALIGN(4); src/sio_event.o(.rodata);
         . = ALIGN(4); src/sio_points.o(.rodata);
         . = ALIGN(4); src/sio_battlemap.o(.rodata);
-        . = ALIGN(4); data/const_data_D9F18.o(.rodata);
+        . = ALIGN(4); src/sio_bat.o(.rodata);
         . = ALIGN(4); src/sio_mu.o(.rodata);
         . = ALIGN(4); src/sio_uiutils.o(.rodata);
         . = ALIGN(4); src/sio_menudef.o(.rodata);
@@ -967,16 +966,15 @@ SECTIONS
         . = ALIGN(4); src/sio_main.o(.data);
         . = ALIGN(4); src/sio_main2.o(.data);
         . = ALIGN(4); src/sio_teamlist.o(.data);
-        . = ALIGN(4); data/sio_tactician.o(.data);
+        . = ALIGN(4); src/sio_tactician.o(.data);
         . = ALIGN(4); src/sio_postbattle.o(.data);
-        . = ALIGN(4); data/data_5A92E0.o(.data);
         . = ALIGN(4); src/sio_result.o(.data);
         . = ALIGN(4); src/sio_rulesettings.o(.data);
         . = ALIGN(4); src/sio_menu.o(.data);
         . = ALIGN(4); src/sio_event.o(.data);
         . = ALIGN(4); src/sio_points.o(.data);
         . = ALIGN(4); src/sio_battlemap.o(.data);
-        . = ALIGN(4); data/data_5A9F48.o(.data);
+        . = ALIGN(4); src/sio_bat.o(.data);
         . = ALIGN(4); src/sio_804B920.o(.data);
         . = ALIGN(4); src/sio_mu.o(.data);
         . = ALIGN(4); src/sio_uiutils.o(.data);
diff --git a/scripts/cfunc_extractor.sh b/scripts/cfunc_extractor.sh
new file mode 100755
index 000000000..47e0a08e9
--- /dev/null
+++ b/scripts/cfunc_extractor.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+cat $1 | grep -E '^[[:space:]]*[a-zA-Z_][a-zA-Z0-9_]*[[:space:]]+[a-zA-Z_][a-zA-Z0-9_]*[[:space:]]*\(.*\)[[:space:]]*\{?' | grep -vE '^[[:space:]]*(if|for|while|switch|else|return|goto)\b' | sed 's/$/;/'
diff --git a/src/bmmap.c b/src/bmmap.c
index 8eb326f48..147566bfb 100644
--- a/src/bmmap.c
+++ b/src/bmmap.c
@@ -24,7 +24,7 @@ static void RefreshMinesOnBmMap(void);
 enum { MAP_POOL_SIZE = 0x7B8 };
 
 // TODO: figure out what's up with this (overlaps with a lot of other objects?)
-extern u16 gBmMapBuffer[];
+
 
 EWRAM_DATA struct Vec2 gBmMapSize = {};
 
diff --git a/src/sio_804B920.c b/src/sio_804B920.c
index 7f9f7b0d4..f499825f5 100644
--- a/src/sio_804B920.c
+++ b/src/sio_804B920.c
@@ -5,21 +5,6 @@
 
 #include "sio.h"
 
-struct SioProc85AA7B4
-{
-    /* 00 */ PROC_HEADER;
-    /* 29 */ STRUCT_PAD(0x29, 0x4C);
-    /* 4C */ s16 unk_4c;
-    /* 4E */ STRUCT_PAD(0x4E, 0x64);
-    /* 64 */ s16 unk_64;
-};
-
-extern s16 gUnk_Sio_02000F00[];
-
-extern s16 * gUnk_Sio_02001180;
-extern s16 * gUnk_Sio_02001184;
-extern s16 * gUnk_Sio_02001188;
-
 //! FE8U = 0x0804B920
 void Set_0203DDDC(void)
 {
diff --git a/src/sio_bat.c b/src/sio_bat.c
index b43104bac..544d91e0f 100644
--- a/src/sio_bat.c
+++ b/src/sio_bat.c
@@ -15,39 +15,6 @@
 
 #include "constants/faces.h"
 
-struct SioBatProc_Unk2C
-{
-    /* 00 */ PROC_HEADER;
-    /* 29 */ STRUCT_PAD(0x29, 0x34);
-    /* 34 */ int unk_34;
-    /* 38 */ int unk_38;
-};
-
-struct SioBatProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ struct SioBatProc_Unk2C * unk_2c;
-    /* 30 */ int unk_30;
-    /* 34 */ int unk_34;
-    /* 38 */ u8 unk_38;
-    /* 39 */ u8 unk_39;
-    /* 3A */ u8 unk_3a;
-    /* 3B */ u8 unk_3b;
-    /* 3C */ STRUCT_PAD(0x3C, 0x4C);
-    /* 4C */ s16 unk_4c;
-    /* 4E */ STRUCT_PAD(0x4E, 0x58);
-    /* 58 */ int unk_58;
-    /* 5C */ STRUCT_PAD(0x5C, 0x64);
-    /* 64 */ s16 unk_64;
-};
-
-extern struct Font Font_0203DB64;
-extern char gUnknown_03004E86[];
-extern int gUnk_Sio_0203DD28;
-extern struct SioMessage gUnknown_03004E80;
-extern u8 gUnk_Sio_0203DAC0[];
-extern struct Text gUnk_Sio_0203DA78;
-
 //! FE8U = 0x08045930
 int sub_8045930(u8 ranking, u32 playerCount, u32 mode, u32 points)
 {
@@ -126,8 +93,6 @@ void sub_8045A64(struct SioBatProc * proc)
     return;
 }
 
-extern u8 gUnknown_080D9E44[];
-
 //! FE8U = 0x08045AF4
 void sub_8045AF4(void)
 {
@@ -136,7 +101,7 @@ void sub_8045AF4(void)
 
     // TODO: rodata
     u8 hack[3];
-    memcpy(hack, gUnknown_080D9E44, 3);
+    memcpy(hack, gUnknown_080D9E44, sizeof(gUnknown_080D9E44));
 
     InitUnits();
 
@@ -198,7 +163,28 @@ void sub_8045AF4(void)
     return;
 }
 
-extern struct ProcCmd ProcScr_SIOMAIN2[];
+struct ProcCmd CONST_DATA ProcScr_SIOMAIN2[] = {
+    PROC_15,
+    PROC_NAME("SIOMAIN"),
+    PROC_YIELD,
+    PROC_CALL(sub_8049828),
+    PROC_CALL(FadeInBlackSpeed20),
+    PROC_YIELD,
+    PROC_CALL(Clear_0203DDDC),
+PROC_LABEL(0),
+    PROC_CALL(sub_80499D0),
+    PROC_SLEEP(1),
+    PROC_START_CHILD_BLOCKING(ProcScr_LinkArenaPhaseIntro),
+    PROC_YIELD,
+    PROC_REPEAT(sub_8049964),
+    PROC_GOTO(0),
+PROC_LABEL(2),
+    PROC_CALL(sub_804B71C),
+    PROC_REPEAT(sub_804B76C),
+PROC_LABEL(3),
+    PROC_CALL(sub_8049B04),
+    PROC_END,
+};
 
 //! FE8U = 0x08045C14
 void New6C_SIOMAIN2(void)
@@ -304,8 +290,6 @@ void sub_8045CEC(void)
     return;
 }
 
-extern struct FaceVramEntry gUnknown_085A9864[];
-
 //! FE8U = 0x08045DC0
 void sub_8045DC0(struct SioBatProc * proc)
 {
@@ -706,8 +690,6 @@ void sub_8046478(struct Unit * unit)
     return;
 }
 
-extern struct MultiArenaSaveTeam * gUnknown_085A9884;
-
 //! FE8U = 0x080464B0
 void sub_80464B0(struct SioBatProc * proc)
 {
@@ -955,3 +937,17 @@ void sub_80469B8(void)
     sub_8042980(0);
     return;
 }
+
+struct ProcCmd CONST_DATA gUnknown_085AA75C[] = {
+    PROC_CALL(sub_804B800),
+    PROC_SLEEP(1),
+    PROC_CALL(BattleApplyGameStateUpdates),
+    PROC_WHILE(DoesBMXFADEExist),
+    PROC_CALL(BATTLE_GOTO1_IfNobodyIsDead),
+    PROC_CALL(sub_804B850),
+    PROC_SLEEP(32),
+    PROC_CALL(BATTLE_DeleteLinkedMOVEUNIT),
+PROC_LABEL(1),
+    PROC_CALL(sub_804B8D0),
+    PROC_END,
+};
diff --git a/src/sio_battlemap.c b/src/sio_battlemap.c
index 40eec280a..c1daba777 100644
--- a/src/sio_battlemap.c
+++ b/src/sio_battlemap.c
@@ -28,42 +28,16 @@
 #include "helpbox.h"
 #include "mapanim.h"
 #include "ekrbattle.h"
+#include "event.h"
+#include "eventcall.h"
+#include "eventscript.h"
+#include "EAstdlib.h"
 
 #include "sio_core.h"
 #include "sio.h"
 
 #include "constants/terrains.h"
 
-struct SioBattleMapProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ int unk_2c;
-    /* 30 */ int unk_30;
-    /* 34 */ int unk_34;
-    /* 38 */ int unk_38;
-    /* 3C */ STRUCT_PAD(0x3C, 0x54);
-    /* 54 */ struct MuProc * unk_54;
-    /* 58 */ int unk_58;
-    /* 5C */ int unk_5c;
-};
-
-struct SioProc85AA1AC
-{
-    /* 00 */ PROC_HEADER;
-    /* 29 */ STRUCT_PAD(0x29, 0x64);
-    /* 64 */ s16 unk_64;
-};
-
-extern u8 gUnknown_03001818[];
-extern struct Vec2 gUnknown_0300182C;
-extern int gUnknown_03001830;
-extern u8 gUnknown_03001834[];
-extern struct MuProc * gUnknown_03001838[];
-extern u16 gUnknown_03001840[];
-
-extern u8 gUnknown_080D9F28[][4];
-extern struct Vec2 gUnknown_080D9F48[];
-
 //! FE8U = 0x08049298
 void sub_8049298(struct Unit * unit)
 {
@@ -582,10 +556,6 @@ void sub_8049940(ProcPtr proc)
     return;
 }
 
-extern struct ProcCmd gUnknown_085AA2FC[];
-extern struct ProcCmd gUnknown_085AA4CC[];
-extern struct ProcCmd gUnknown_085AA5BC[];
-
 //! FE8U = 0x08049964
 void sub_8049964(ProcPtr parent)
 {
@@ -1119,8 +1089,6 @@ void sub_8049F44(struct SioBattleMapProc * proc)
     return;
 }
 
-extern struct MenuDef gUnknown_085AADA0;
-
 //! FE8U = 0x0804A108
 void sub_804A108(struct SioProc85AA1AC * proc)
 {
@@ -1490,8 +1458,6 @@ void sub_804A6A4(ProcPtr proc)
     return;
 }
 
-extern struct Vec2 gUnknown_080D9F48[];
-
 //! FE8U = 0x0804A7C0
 void sub_804A7C0(ProcPtr proc)
 {
@@ -1718,20 +1684,17 @@ bool sub_804AADC(void * data)
     return false;
 }
 
-extern const struct PopupInstruction gUnknown_085AA1FC[];
-extern const struct PopupInstruction gUnknown_085AA21C[];
-
-struct SioProc85AA4CC
-{
-    PROC_HEADER;
-    int unk_2c;
-    int unk_30;
-    int unk_34;
-    int unk_38;
+CONST_DATA struct PopupInstruction gUnknown_085AA1FC[] = {
+    POPUP_STR(gUnknown_03001850),
+    POPUP_SPACE(3),
+    POPUP_MSG(0x757), // The team surrendered.
+    POPUP_END
 };
 
-extern u8 gUnknown_03001834[];
-extern u8 gUnknown_03001850[];
+CONST_DATA struct PopupInstruction gUnknown_085AA21C[] = {
+    POPUP_MSG(0x758), // No one can do damage this turn
+    POPUP_END
+};
 
 //! FE8U = 0x0804AAFC
 void sub_804AAFC(struct SioProc85AA4CC * proc)
@@ -2299,7 +2262,16 @@ void sub_804B250(ProcPtr proc)
     return;
 }
 
-extern u8 gUnknown_085AA22C[];
+CONST_DATA u8 gUnknown_085AA22C[] = {
+    0, 0, 0, 0, 0, 0, 0,
+    1, 1,
+    2, 2, 2,
+    3, 3, 3, 3,
+    4, 4, 4, 4, 4, 4, 4,
+    3, 3,
+    2, 2, 2,
+    1, 1, 1, 1
+};
 
 //! FE8U = 0x0804B278
 void sub_804B278(void)
@@ -2342,7 +2314,24 @@ void sub_804B278(void)
     return;
 }
 
-extern struct ProcCmd gUnknown_085AA24C[];
+struct ProcCmd CONST_DATA gUnknown_085AA24C[] = {
+    PROC_15,
+    PROC_MARK(1),
+    PROC_YIELD,
+    PROC_REPEAT(sub_804B278)
+    // ? maybe just a cut to the following part
+};
+struct ProcCmd CONST_DATA gUnknown_085AA26C[] = {
+    PROC_CALL(sub_804B604),
+PROC_LABEL(0),
+    PROC_CALL(sub_804B624),
+    PROC_SLEEP(32),
+    PROC_CALL(sub_804B6AC),
+    PROC_GOTO(0),
+PROC_LABEL(1),
+    PROC_CALL(sub_804B6B8),
+    PROC_END,
+};
 
 //! FE8U = 0x0804B38C
 void sub_804B38C(void)
@@ -2623,7 +2612,16 @@ void sub_804B6CC(void)
     return;
 }
 
-extern EventScr gUnknown_085AA2B4[];
+CONST_DATA EventScr gUnknown_085AA2B4[] = {
+    STAL(1)
+    EVBIT_T(7)
+    EVBIT_MODIFY(0x4)
+    TEXTSHOW(0x88c) // do you surrender?
+    TEXTEND
+    REMA
+    ASMC(sub_804B6CC)
+    ENDA
+};
 
 //! FE8U = 0x0804B6F4
 void sub_804B6F4(void)
@@ -2632,7 +2630,16 @@ void sub_804B6F4(void)
     return;
 }
 
-extern EventScr gUnknown_085AA2D8[];
+CONST_DATA EventScr gUnknown_085AA2D8[] = {
+    STAL(1)
+    EVBIT_T(7)
+    EVBIT_MODIFY(0x4)
+    TEXTSHOW(0x88d) // You can do no damage. Would you like to quit?
+    TEXTEND
+    REMA
+    ASMC(sub_804B6CC)
+    ENDA
+};
 
 //! FE8U = 0x0804B708
 void sub_804B708(void)
@@ -2797,3 +2804,132 @@ void sub_804B8D0(void)
 
     return;
 }
+
+struct ProcCmd CONST_DATA gUnknown_085AA2FC[] = {
+PROC_LABEL(0),
+    PROC_REPEAT(sub_8049CD4),
+    PROC_CALL(sub_8049F38),
+PROC_LABEL(1),
+    PROC_REPEAT(sub_8049D0C),
+    PROC_REPEAT(sub_8049D24),
+PROC_LABEL(4),
+    PROC_CALL(EndLinkArenaPointsBox),
+    PROC_YIELD,
+    PROC_CALL(sub_804B3B0),
+    PROC_YIELD,
+    PROC_CALL(sub_80497A0),
+    PROC_CALL(RefreshBMapGraphics),
+    PROC_GOTO(0),
+PROC_LABEL(2),
+    PROC_SLEEP(1),
+    PROC_CALL(sub_804B6F4),
+    PROC_YIELD,
+    PROC_CALL(sub_804B3D0),
+    PROC_START_CHILD_BLOCKING(gUnknown_085AA26C),
+    PROC_YIELD,
+    PROC_CALL(sub_804B480),
+PROC_LABEL(3),
+    PROC_SLEEP(1),
+    PROC_CALL(sub_804B708),
+    PROC_YIELD,
+    PROC_CALL(sub_804B408),
+    PROC_CALL(sub_804B518),
+PROC_LABEL(5),
+    PROC_REPEAT(sub_8049D0C),
+    PROC_REPEAT(sub_8049F44),
+PROC_LABEL(6),
+    PROC_CALL(EndLinkArenaPointsBox),
+    PROC_YIELD,
+    PROC_CALL(sub_804B3B0),
+    PROC_YIELD,
+    PROC_CALL(sub_80497A0),
+    PROC_CALL(RefreshBMapGraphics),
+    PROC_CALL(sub_8049F38),
+    PROC_CALL(sub_80498F4),
+    PROC_GOTO(5),
+PROC_LABEL(7),
+    PROC_REPEAT(sub_804A430),
+    PROC_CALL(EndLinkArenaPointsBox),
+    PROC_CALL(sub_804A44C),
+    PROC_CALL(sub_804A51C),
+    PROC_YIELD,
+    PROC_CALL(sub_804A5A4),
+    PROC_REPEAT(sub_804A614),
+    PROC_REPEAT(sub_804A6A4),
+    PROC_CALL(sub_8049238),
+    PROC_YIELD,
+    PROC_CALL(EndLinkArenaPointsBox),
+    PROC_REPEAT(sub_804A7C0),
+    PROC_REPEAT(sub_804A9A4),
+    PROC_CALL(sub_804AA88),
+PROC_LABEL(8),
+    PROC_END,
+};
+
+struct ProcCmd CONST_DATA gUnknown_085AA4CC[] = {
+PROC_LABEL(0),
+    PROC_CALL(sub_8049F38),
+    PROC_REPEAT(sub_804AAFC),
+PROC_LABEL(1),
+    PROC_REPEAT(sub_804ABCC),
+    PROC_GOTO(2),
+PROC_LABEL(3),
+    PROC_START_CHILD_BLOCKING(gUnknown_085AA26C),
+    PROC_YIELD,
+    PROC_WHILE_EXISTS(ProcScr_Popup),
+    PROC_CALL(sub_804B554),
+PROC_LABEL(4),
+    PROC_WHILE_EXISTS(ProcScr_Popup),
+    PROC_CALL(sub_804B5E0),
+PROC_LABEL(2),
+    PROC_REPEAT(sub_804ACC4),
+    PROC_CALL(EndLinkArenaPointsBox),
+    PROC_CALL(sub_804A51C),
+    PROC_YIELD,
+    PROC_CALL(sub_804A5A4),
+    PROC_REPEAT(sub_804A614),
+    PROC_REPEAT(sub_804A6A4),
+    PROC_CALL(sub_8049238),
+    PROC_YIELD,
+    PROC_CALL(EndLinkArenaPointsBox),
+    PROC_REPEAT(sub_804A7C0),
+    PROC_REPEAT(sub_804A9A4),
+    PROC_CALL(sub_804AA88),
+PROC_LABEL(5),
+    PROC_END,
+};
+
+struct ProcCmd CONST_DATA gUnknown_085AA5BC[] = {
+    PROC_CALL(sub_8049F38),
+    PROC_YIELD,
+PROC_LABEL(0),
+    PROC_REPEAT(sub_804AEC4),
+PROC_LABEL(1),
+    PROC_REPEAT(sub_804AF5C),
+    PROC_CALL(sub_804B190),
+    PROC_YIELD,
+    PROC_CALL(sub_804B1C0),
+PROC_LABEL(2),
+    PROC_REPEAT(sub_804B250),
+    PROC_CALL(EndLinkArenaPointsBox),
+    PROC_GOTO(4),
+PROC_LABEL(3),
+    PROC_SLEEP(1),
+    PROC_CALL(sub_804B6F4),
+    PROC_YIELD,
+    PROC_CALL(sub_804B43C),
+PROC_LABEL(4),
+    PROC_CALL(sub_804A51C),
+    PROC_YIELD,
+    PROC_CALL(sub_804A5A4),
+    PROC_REPEAT(sub_804A614),
+    PROC_REPEAT(sub_804A6A4),
+    PROC_CALL(sub_8049238),
+    PROC_YIELD,
+    PROC_CALL(EndLinkArenaPointsBox),
+    PROC_REPEAT(sub_804A7C0),
+    PROC_REPEAT(sub_804A9A4),
+    PROC_CALL(sub_804AA88),
+PROC_LABEL(5),
+    PROC_END,
+};
diff --git a/src/sio_event.c b/src/sio_event.c
index 131724a61..233886cd3 100644
--- a/src/sio_event.c
+++ b/src/sio_event.c
@@ -21,7 +21,7 @@
  * Contains Link Arena functions that are called by events
  */
 
-extern struct ProcCmd ProcScr_TacticianNameSelection[];
+
 
 //! FE8U = 0x08048260
 void sub_8048260(ProcPtr parent)
@@ -252,8 +252,6 @@ void DrawXMapReceiveProgress(struct SioBigReceiveProc * proc)
     return;
 }
 
-extern u8 gUnk_Sio_02000000[];
-
 //! FE8U = 0x08048604
 void StartXMapTransfer(struct SioBigSendProc * proc)
 {
diff --git a/src/sio_mu.c b/src/sio_mu.c
index 65582e3d9..ceb649344 100644
--- a/src/sio_mu.c
+++ b/src/sio_mu.c
@@ -1,5 +1,5 @@
 #include "global.h"
-
+#include "sio.h"
 #include "hardware.h"
 #include "bmlib.h"
 #include "mu.h"
@@ -9,34 +9,6 @@
 #include "bmunit.h"
 #include "ctc.h"
 
-struct SioProc85AA83C
-{
-    /* 00 */ PROC_HEADER;
-    /* 29 */ STRUCT_PAD(0x29, 0x2C);
-    /* 2C */ struct MuProc * muProc;
-};
-
-struct SioWarpProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 29 */ STRUCT_PAD(0x29, 0x2C);
-    /* 2C */ struct Unit * unit;
-    /* 30 */ struct MuProc * muProc;
-    /* 34 */ int x;
-    /* 38 */ int y;
-    /* 3C */ int facing;
-    /* 40 */ u8 unk_40;
-    /* 41 */ s8 playStepSe;
-};
-
-struct SioProc85AA954
-{
-    /* 00 */ PROC_HEADER;
-    /* 29 */ STRUCT_PAD(0x29, 0x2C);
-    /* 2C */ int x;
-    /* 30 */ int y;
-};
-
 // clang-format off
 
 u16 * CONST_DATA PalArray_SolidColors[] =
@@ -49,8 +21,6 @@ u16 * CONST_DATA PalArray_SolidColors[] =
     Pal_AllYellow,
 };
 
-extern struct ProcCmd ProcScr_085AA83C[];
-
 // clang-format on
 
 //! FE8U = 0x0804BED8
diff --git a/src/sio_multiboot.c b/src/sio_multiboot.c
index 3665d3b64..1aedb1bdd 100644
--- a/src/sio_multiboot.c
+++ b/src/sio_multiboot.c
@@ -1,4 +1,5 @@
 #include "global.h"
+#include "sio.h"
 
 // clang-format off
 
@@ -15,14 +16,6 @@
 
 // clang-format on
 
-extern u16 gUnknown_03001864[MULTIBOOT_NCHILD];
-
-int MultiBootSend(struct MultiBootParam * mp, u16 data);
-int MultiBootCheckComplete(struct MultiBootParam * mp);
-int MultiBootHandShake(struct MultiBootParam * mp);
-void MultiBootStartProbe(struct MultiBootParam * mp);
-void MultiBootWaitSendDone(void);
-
 //! FE8U = 0x0804D9C4
 void MultiBootInit(struct MultiBootParam * mp)
 {
diff --git a/src/sio_points.c b/src/sio_points.c
index 73bb2d547..5f91f3b57 100644
--- a/src/sio_points.c
+++ b/src/sio_points.c
@@ -12,44 +12,6 @@
 #include "sio_core.h"
 #include "sio.h"
 
-struct LAPointsBoxProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ struct Text text[4];
-};
-
-struct PointsNumberMoverProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2A */ s16 x;
-    /* 2C */ s16 y;
-    /* 2E */ s16 xTarget;
-    /* 30 */ s16 yTarget;
-    /* 32 */ u8 playerId;
-    /* 33 */ u8 unitId;
-    /* 34 */ int difference;
-    /* 38 */ u32 newScore;
-    /* 3C */ u32 timer;
-    /* 40 */ s8 unk_40;
-    /* 41 */ STRUCT_PAD(0x41, 0x44);
-    /* 44 */ int unk_44; // used for showing the "rolling" number while accumulating points
-    /* 48 */ struct Text text;
-};
-
-struct PointsSpriteTextProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ int x;
-    /* 30 */ int y;
-    /* 34 */ STRUCT_PAD(0x34, 0x4C);
-    /* 4C */ s16 timer;
-    /* 4E */ STRUCT_PAD(0x4E, 0x54);
-    /* 54 */ const char * str;
-};
-
-extern u8 gUnknown_085AD80C[];
-extern u16 gUnknown_085ADDA8[];
-
 // clang-format off
 
 const u8 gUnknown_080D9F28[][4] =
@@ -68,13 +30,28 @@ const u8 gUnknown_080D9F38[][4] =
     1, 3, 2, 0,
 };
 
-const u16 gUnknown_080D9F48[] =
-{
-    0x5, 0x9, 0x6, 0x9, 0x7, 0x9, 0x8, 0x9,
-    0x9, 0x9, 0xC, 0x7, 0xC, 0x6, 0xC, 0x5,
-    0xC, 0x4, 0xC, 0x3, 0x9, 0x1, 0x8, 0x1,
-    0x7, 0x1, 0x6, 0x1, 0x5, 0x1, 0x2, 0x3,
-    0x2, 0x4, 0x2, 0x5, 0x2, 0x6, 0x2, 0x7,
+const struct Vec2 gUnknown_080D9F48[] =
+{
+    { 5, 9 },
+    { 6, 9 },
+    { 7, 9 },
+    { 8, 9 },
+    { 9, 9 },
+    { 12, 7 },
+    { 12, 6 },
+    { 12, 5 },
+    { 12, 4 },
+    { 12, 3 },
+    { 9, 1 },
+    { 8, 1 },
+    { 7, 1 },
+    { 6, 1 },
+    { 5, 1 },
+    { 2, 3 },
+    { 2, 4 },
+    { 2, 5 },
+    { 2, 6 },
+    { 2, 7 },
 };
 
 const u8 gUnknown_080D9F98[] =
@@ -85,10 +62,6 @@ const u8 gUnknown_080D9F98[] =
      1,  1,
 };
 
-// clang-format on
-
-extern struct Text gUnk_Sio_02000C78[];
-
 // clang-format off
 
 u16 CONST_DATA Sprite_085A9F98[] =
diff --git a/src/sio_postbattle.c b/src/sio_postbattle.c
index fbf162c39..d406fe299 100644
--- a/src/sio_postbattle.c
+++ b/src/sio_postbattle.c
@@ -8,6 +8,7 @@
 #include "soundwrapper.h"
 #include "m4a.h"
 #include "bmio.h"
+#include "prepscreen.h"
 
 #include "sio_core.h"
 #include "sio.h"
@@ -18,39 +19,6 @@
  * "Battle Data" UI.
  */
 
-struct SioPostBattleProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ ProcPtr unk_2c[4];
-    /* 3C */ STRUCT_PAD(0x3c, 0x40);
-    /* 40 */ u8 unk_40;
-    /* 41 */ u8 unk_41;
-    /* 42 */ u8 playerId;
-    /* 43 */ u8 unk_43;
-    /* 44 */ struct SioProc85A971C_Unk44 unk_44[4];
-    /* 64 */ int unk_64;
-};
-
-struct SioPostBattleSpritesProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ struct SioPostBattleProc * unk_2c;
-    /* 30 */ int x;
-    /* 34 */ int y;
-    /* 38 */ int delayMaybe;
-    /* 3C */ int timer;
-    /* 40 */ u16 fid;
-    /* 42 */ u8 oam2;
-    /* 43 */ u8 ranking;
-};
-
-struct SioPostBattleMusicProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 29 */ STRUCT_PAD(0x29, 0x58);
-    /* 58 */ int isPlayerWinner;
-};
-
 // clang-format off
 
 u16 const * CONST_DATA SpriteArray_085A96D4[] =
@@ -82,6 +50,8 @@ s16 const gUnknown_080D9E1C[5][4] =
     { 2, 7, 12, 17, },
 };
 
+u8 const gUnknown_080D9E44[3] = { 3, 7, 15 };
+
 // clang-format on
 
 //! FE8U = 0x08045208
@@ -431,4 +401,202 @@ struct ProcCmd CONST_DATA ProcScr_SioPostBattle_PlayMusic[] =
     PROC_END,
 };
 
-// clang-format on
+struct ProcCmd CONST_DATA ProcScr_SIOPRA[] = {
+    PROC_NAME("SIOPRA"),
+    PROC_YIELD,
+    PROC_CALL(StartLinkArenaTeamList),
+    PROC_YIELD,
+    PROC_CALL(sub_8046DB4),
+    PROC_CALL(sub_8045AF4),
+    PROC_CALL(nullsub_13),
+    PROC_CALL(sub_804C4F8),
+    PROC_CALL(sub_804C590),
+    PROC_YIELD,
+    PROC_CALL(New6C_SIOMAIN2),
+    PROC_YIELD,
+    PROC_REPEAT(sub_8045C28),
+    PROC_CALL(Set_0203DDDC),
+    PROC_CALL(sub_8013F40),
+    PROC_YIELD,
+    PROC_START_CHILD_BLOCKING(ProcScr_SioPostBattle),
+    PROC_YIELD,
+    PROC_CALL(sub_8043244),
+PROC_LABEL(4),
+PROC_LABEL(1),
+    PROC_CALL(Set_0203DDDC),
+    PROC_CALL(sub_8013F40),
+    PROC_YIELD,
+    PROC_END,
+};
+
+/* Apparently these should belongs to sio_bat? */
+const struct LinkArenaRuleInfo gLinkArenaRuleData[] = {
+    { 0x776, 14, 17, 0x77B, 0x77C },
+    { 0x777, 16, 22, 0x779, 0x77A },
+    { 0x778, 14, 17, 0x77B, 0x77C },
+};
+
+CONST_DATA struct FaceVramEntry gUnknown_085A9864[] = {
+    { 0x7000, 1 },
+    { 0x7000, 1 },
+    { 0x7000, 1 },
+    { 0x7000, 1 },
+};
+
+CONST_DATA struct MultiArenaSaveTeam * gUnknown_085A9884 = (void *)gGenericBuffer;
+
+struct ProcCmd CONST_DATA ProcScr_SIOBAT[] = {
+    PROC_NAME("SIOBAT"),
+PROC_LABEL(0),
+    PROC_CALL(StartLinkArenaTeamList),
+    PROC_YIELD,
+    PROC_CALL(sub_8046DB4),
+    PROC_CALL(nullsub_13),
+    PROC_CALL(sub_804C4F8),
+    PROC_CALL(sub_804C590),
+    PROC_CALL(sub_8045DC0),
+    PROC_CALL(FadeInBlackSpeed20),
+    PROC_YIELD,
+    PROC_CALL(Clear_0203DDDC),
+    PROC_CALL(sub_8045F00),
+PROC_LABEL(3),
+    PROC_REPEAT(sub_8045F48),
+    PROC_CALL(sub_80469AC),
+    PROC_REPEAT(sub_804619C),
+    PROC_CALL(sub_8042F84),
+    PROC_REPEAT(sub_8042F98),
+    PROC_CALL(sub_8046234),
+    PROC_REPEAT(sub_80462D4),
+    PROC_CALL(sub_8042F84),
+    PROC_REPEAT(sub_8042F98),
+    PROC_REPEAT(sub_80463A8),
+    PROC_SLEEP(10),
+    PROC_CALL(sub_804645C),
+    PROC_SLEEP(80),
+    PROC_CALL(Set_0203DDDC),
+    PROC_CALL(sub_8013F40),
+    PROC_YIELD,
+    PROC_CALL(EndLinkArenaVersusSpriteDraw),
+    PROC_CALL(EndMuralBackground),
+    PROC_CALL(sub_8046838),
+    PROC_CALL(FadeInBlackSpeed20),
+    PROC_YIELD,
+    PROC_CALL(Clear_0203DDDC),
+    PROC_SLEEP(180),
+    PROC_CALL(sub_8042F84),
+    PROC_REPEAT(sub_8042F98),
+    PROC_CALL(Set_0203DDDC),
+    PROC_CALL(sub_8013F40),
+    PROC_YIELD,
+    PROC_END_EACH(ProcScr_RuleSettingSpriteDraw_Static),
+    PROC_CALL(nullsub_13),
+    PROC_CALL(sub_804C4F8),
+    PROC_CALL(sub_804C590),
+    PROC_CALL(sub_80467AC),
+    PROC_CALL(FadeInBlackSpeed20),
+    PROC_YIELD,
+    PROC_CALL(Clear_0203DDDC),
+    PROC_CALL(sub_80464B0),
+    PROC_REPEAT(sub_8046580),
+    PROC_REPEAT(sub_8046704),
+    PROC_CALL(sub_8042F84),
+    PROC_REPEAT(sub_8042F98),
+    PROC_CALL(Set_0203DDDC),
+    PROC_CALL(sub_8013F40),
+    PROC_YIELD,
+    PROC_CALL(EndLinkArenaVersusSpriteDraw),
+    PROC_CALL(EndMuralBackground),
+    PROC_CALL(nullsub_13),
+    PROC_SLEEP(1),
+    PROC_CALL(New6C_SIOMAIN2),
+    PROC_YIELD,
+    PROC_REPEAT(sub_8045C28),
+    PROC_CALL(Set_0203DDDC),
+    PROC_CALL(sub_8013F40),
+    PROC_YIELD,
+    PROC_CALL(sub_80469B8),
+    PROC_CALL(sub_8045CBC),
+    PROC_START_CHILD_BLOCKING(ProcScr_SioPostBattle),
+    PROC_YIELD,
+    PROC_CALL(sub_8045CE0),
+    PROC_CALL(sub_8045A64),
+    PROC_YIELD,
+    PROC_CALL(sub_8043244),
+    PROC_CALL(nullsub_13),
+    PROC_GOTO(1),
+PROC_LABEL(2),
+    PROC_CALL(Set_0203DDDC),
+    PROC_CALL(sub_8013F40),
+    PROC_YIELD,
+    PROC_CALL(ResetFaces),
+    PROC_CALL(EndLinkArenaVersusSpriteDraw),
+    PROC_CALL(EndMuralBackground),
+    PROC_GOTO(0),
+PROC_LABEL(4),
+    PROC_CALL(sub_8042F84),
+    PROC_REPEAT(sub_8042F98),
+    PROC_SLEEP(1),
+    PROC_CALL(Set_0203DDDC),
+    PROC_CALL(sub_8013F40),
+    PROC_YIELD,
+    PROC_CALL(sub_80469B8),
+    PROC_CALL(sub_8045CBC),
+    PROC_CALL(sub_8045CE0),
+PROC_LABEL(1),
+    PROC_CALL(sub_8041898),
+    PROC_END,
+};
+
+struct ProcCmd CONST_DATA ProcScr_SIOTERM[] = {
+    PROC_NAME("SIOTERM"),
+PROC_LABEL(0),
+    PROC_CALL(StartLinkArenaTeamList),
+    PROC_YIELD,
+    PROC_CALL(sub_8046DB4),
+PROC_LABEL(3),
+    PROC_CALL(sub_80469C4),
+    PROC_CALL(FadeInBlackSpeed20),
+    PROC_YIELD,
+    PROC_CALL(Clear_0203DDDC),
+    PROC_REPEAT(sub_8046CF0),
+    PROC_CALL(Set_0203DDDC),
+    PROC_CALL(sub_8013F40),
+    PROC_YIELD,
+    PROC_CALL(sub_804309C),
+    PROC_CALL(sub_8046D6C),
+    PROC_CALL(nullsub_13),
+    PROC_CALL(sub_804C4F8),
+    PROC_CALL(sub_804C590),
+    PROC_CALL(EndLinkArenaButtonSpriteDraw),
+    PROC_CALL(EndMuralBackground),
+    PROC_CALL(BMapVSync_End),
+    PROC_YIELD,
+    PROC_CALL(StartPrepAtMenuWithConfig),
+PROC_LABEL(5),
+    PROC_REPEAT(sub_8046DEC),
+    PROC_CALL(BMapVSync_Start),
+    PROC_CALL(sub_8046DD0),
+    PROC_CALL(Set_0203DDDC),
+    PROC_CALL(sub_8013F40),
+    PROC_YIELD,
+    PROC_CALL(sub_8048260),
+    PROC_YIELD,
+    PROC_CALL(sub_8046E0C),
+    PROC_YIELD,
+    PROC_GOTO(0),
+PROC_LABEL(2),
+    PROC_CALL(Set_0203DDDC),
+    PROC_CALL(sub_8013F40),
+    PROC_YIELD,
+    PROC_GOTO(3),
+PROC_LABEL(4),
+    PROC_CALL(Set_0203DDDC),
+    PROC_CALL(sub_8013F40),
+    PROC_YIELD,
+    PROC_CALL(sub_8046E4C),
+    PROC_CALL(EndLinkArenaButtonSpriteDraw),
+    PROC_CALL(EndMuralBackground),
+    PROC_GOTO(0),
+PROC_LABEL(1),
+    PROC_END,
+};
diff --git a/src/sio_result.c b/src/sio_result.c
index a77fff0f7..f347a30ab 100644
--- a/src/sio_result.c
+++ b/src/sio_result.c
@@ -8,30 +8,6 @@
 
 #include "sio.h"
 
-struct SioResultProcUnk2C
-{
-    /* 00 */ PROC_HEADER;
-    /* 29 */ STRUCT_PAD(0x29, 0x30);
-    /* 30 */ int unk_30;
-};
-
-struct SioResultProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ struct SioResultProcUnk2C * unk_2c;
-    /* 30 */ int unk_30;
-    /* 34 */ u8 unk_34;
-    /* 35 */ u8 unk_35;
-    /* 36 */ u16 unk_36;
-    /* 38 */ s8 unk_38;
-    /* 39 */ u8 unk_39;
-    /* 3A */ STRUCT_PAD(0x3A, 0x3C);
-    /* 3C */ int unk_3c;
-    /* 40 */ int unk_40;
-};
-
-extern struct MultiArenaRankingEnt gSioResultRankings[];
-
 //! FE8U = 0x08046E5C
 void DrawLinkArenaRankIcon(u16 * tm, u32 base)
 {
diff --git a/src/sio_tactician.c b/src/sio_tactician.c
index 10c4f1f6b..473d144bb 100644
--- a/src/sio_tactician.c
+++ b/src/sio_tactician.c
@@ -11,6 +11,33 @@
 #include "uiutils.h"
 #include "constants/characters.h"
 
+struct ProcCmd CONST_DATA ProcScr_TacticianNameSelection[] = {
+    PROC_YIELD,
+    PROC_CALL(Tactician_InitScreen),
+    PROC_CALL(FadeInBlackSpeed20),
+    PROC_YIELD,
+    PROC_CALL(Clear_0203DDDC),
+PROC_LABEL(0),
+    PROC_REPEAT(Tactician_Loop),
+    PROC_GOTO(2),
+PROC_LABEL(1),
+    PROC_CALL(sub_8044FE4),
+    PROC_REPEAT(sub_8044FFC),
+    PROC_CALL(sub_804503C),
+    PROC_REPEAT(sub_8045068),
+    PROC_GOTO(0),
+PROC_LABEL(3),
+    PROC_CALL(NameSelect_DrawName),
+    PROC_REPEAT(sub_8045108),
+    PROC_GOTO(0),
+PROC_LABEL(2),
+    PROC_CALL(Set_0203DDDC),
+    PROC_CALL(sub_8013F40),
+    PROC_YIELD,
+    PROC_CALL(sub_80451F0),
+    PROC_END,
+};
+
 //! FE8U = 0x08044550
 const struct TacticianTextConf * GetTacticianTextConf(s16 idx)
 {
@@ -553,8 +580,6 @@ void Tactician_Loop(struct ProcTactician * proc)
     UpdateNameEntrySpriteDraw(proc->child1, conf->xpos - 4, conf->unk32 + 1, StrLen(_cbuf) * 7, conf->unk34, (proc->line_idx <= 1) ? proc->line_idx : 2);
 }
 
-extern u8 gUnknown_03001810;
-
 //! FE8U = 0x08044F84
 void sub_8044F84(void)
 {
diff --git a/src/sio_term.c b/src/sio_term.c
index 4b06d1eba..3d7fbce5f 100644
--- a/src/sio_term.c
+++ b/src/sio_term.c
@@ -11,17 +11,6 @@
 #include "sio.h"
 #include "sio_core.h"
 
-struct SioTermProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ int unk_2c[3];
-    /* 38 */ int unk_38[3];
-    /* 44 */ STRUCT_PAD(0x44, 0x48);
-    /* 48 */ int unk_48;
-    /* 4C */ int unk_4c;
-    /* 50 */ int unk_50;
-};
-
 extern struct Font Font_0203DB64;
 extern struct Text gSioTexts[];
 
diff --git a/src/sio_uiutils.c b/src/sio_uiutils.c
index e5e6d9acb..d4a5c360b 100644
--- a/src/sio_uiutils.c
+++ b/src/sio_uiutils.c
@@ -82,21 +82,6 @@ void sub_804C3AC(u8 * src, u8 * dst, int c, int d)
     return;
 }
 
-struct LinkArenaTitleBannerProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ int unk_2c;
-    /* 30 */ int unk_30;
-    /* 34 */ STRUCT_PAD(0x34, 0x58);
-    /* 58 */ int unk_58;
-    /* 5C */ u32 chr;
-};
-
-extern u8 gUnknown_085B0DE8[];
-extern u8 gUnknown_085AAE0C[];
-
-extern u8 gUnknown_085B0F2C[];
-
 //! FE8U = 0x0804C3EC
 void LATitleBanner_Init(struct LinkArenaTitleBannerProc * proc)
 {
@@ -437,7 +422,7 @@ void sub_804C7DC(struct SioProc85AA9C0 * proc, s16 x, s16 y)
     return;
 }
 
-extern u16 gUnknown_085ADDE8[];
+
 
 // clang-format off
 
@@ -476,8 +461,6 @@ void sub_804C7E4(void)
     return;
 }
 
-extern u16 gUnknown_085ADE48[];
-
 //! FE8U = 0x0804C83C
 void sub_804C83C(void)
 {
@@ -717,16 +700,6 @@ ProcPtr sub_804CAEC(struct SioTeamListProc * parent, int numActiveOptions, u8 *
     return proc;
 }
 
-struct LATeamSpriteDrawProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ int xBase;
-    /* 30 */ int yBase;
-    /* 34 */ int yMin;
-    /* 38 */ int yMax;
-    /* 3C */ int numTeams;
-};
-
 //! FE8U = 0x0804CB94
 void LATeamSpriteDraw_Loop(struct LATeamSpriteDrawProc * proc)
 {
@@ -802,8 +775,6 @@ void ScrollMultiArenaTeamSprites(int amount)
     return;
 }
 
-extern u16 gUnknown_085ADE28[];
-
 //! FE8U = 0x0804CC78
 void UpdateNameEntrySpriteGlow(void)
 {
@@ -828,18 +799,6 @@ void UpdateNameEntrySpriteGlow(void)
     return;
 }
 
-struct NameEntrySpriteDrawProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ int xCurrent;
-    /* 30 */ int yCurrent;
-    /* 34 */ int xNew;
-    /* 38 */ int yNew;
-    /* 3C */ int cursorKind;
-    /* 40 */ int xPointer;
-    /* 44 */ int unk_44; // maybe mode (Katakana/Hiragana)?
-};
-
 // clang-format off
 
 const u16 Sprite_NameEntry_CursorSmall[] =
@@ -989,15 +948,6 @@ void UpdateNameEntrySpriteDraw(void * proc, int xNew, int yNew, int xPointer, in
     return;
 }
 
-struct RuleSettingSpriteDrawProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2A */ s16 yPrevious;
-    /* 2C */ s16 yNew;
-    /* 2E */ s16 xOption;
-    /* 30 */ s16 yOption;
-};
-
 // clang-format off
 
 const u16 Sprite_RuleSettings_HideUnitsIcon[] =
@@ -1135,15 +1085,6 @@ void UpdateSioMenuBurstGlow(int idx)
     return;
 }
 
-struct SioMenuBurstFxProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ int xBase;
-    /* 30 */ int yBase;
-    /* 34 */ STRUCT_PAD(0x34, 0x4C);
-    /* 4C */ s16 glowPalIdx;
-};
-
 // clang-format off
 
 const u16 Sprite_SioMenuBurst_TopLeft[] =
@@ -1255,21 +1196,6 @@ ProcPtr StartSioMenuBurstFx(ProcPtr parent, int x, int y)
     // return proc; // BUG
 }
 
-struct LAMenuScrollBarProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ int xBase;
-    /* 30 */ int yBase;
-    /* 34 */ int unk_34;
-    /* 38 */ int unk_38;
-    /* 3C */ u8 unk_3c;
-    /* 3D */ u8 unk_3d;
-    /* 3E */ s16 unk_3e;
-    /* 40 */ s16 unk_40;
-    /* 42 */ u16 unk_42;
-    /* 44 */ u8 oam2Arrows[2];
-};
-
 //! FE8U = 0x0804CFE0
 void LinkArenaMenuScroll_Init(struct LAMenuScrollBarProc * proc)
 {
@@ -1569,16 +1495,6 @@ void sub_804D428(void)
     return;
 }
 
-struct LAVersusSpriteDrawProc
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ int x;
-    /* 30 */ int yBase;
-    /* 34 */ int unk_34;
-    /* 38 */ int unk_38;
-    /* 3C */ u16 unk_3c[4];
-};
-
 // clang-format off
 
 const u16 Sprite_LAVersus_P1[] =
@@ -1800,13 +1716,6 @@ void sub_804D778(void)
     return;
 }
 
-struct SioProc85AABD8
-{
-    /* 00 */ PROC_HEADER;
-    /* 2C */ int x;
-    /* 30 */ int y;
-};
-
 // clang-format off
 
 const u16 Sprite_080DA27E[] =