Merge branch 'master' into decompile_reshow_battle_screen

24 files changed, 1170 insertions, 2964 deletions

diff --git a/.gitignore b/.gitignore
index e1600820c..9f10eb5b1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,5 +23,6 @@ tools/*
 *.dump
 *.sa*
 Thumbs.db
+build/
 .DS_Store
 *.ddump
diff --git a/Makefile b/Makefile
index e176b1258..ca8348f68 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,19 @@
 SHELL := /bin/bash -o pipefail
 
+ROM := pokeemerald.gba
+OBJ_DIR := build/emerald
+
+ELF = $(ROM:.gba=.elf)
+MAP = $(ROM:.gba=.map)
+
+C_SUBDIR = src
+ASM_SUBDIR = asm
+DATA_ASM_SUBDIR = data
+
+C_BUILDDIR = $(OBJ_DIR)/$(C_SUBDIR)
+ASM_BUILDDIR = $(OBJ_DIR)/$(ASM_SUBDIR)
+DATA_ASM_BUILDDIR = $(OBJ_DIR)/$(DATA_ASM_SUBDIR)
+
 AS      := $(DEVKITARM)/bin/arm-none-eabi-as
 ASFLAGS := -mcpu=arm7tdmi
 
@@ -10,7 +24,7 @@ CPP      := $(DEVKITARM)/bin/arm-none-eabi-cpp
 CPPFLAGS := -I tools/agbcc/include -iquote include -nostdinc -undef
 
 LD      := $(DEVKITARM)/bin/arm-none-eabi-ld
-LDFLAGS := -T ld_script.ld -Map pokeemerald.map
+LDFLAGS = -Map $(MAP)
 
 OBJCOPY := $(DEVKITARM)/bin/arm-none-eabi-objcopy
 
@@ -20,7 +34,7 @@ SHA1 := sha1sum -c
 
 GFX := tools/gbagfx/gbagfx
 AIF := tools/aif2pcm/aif2pcm
-MID := tools/mid2agb/mid2agb
+MID := $(abspath tools/mid2agb/mid2agb)
 SCANINC := tools/scaninc/scaninc
 PREPROC := tools/preproc/preproc
 RAMSCRGEN := tools/ramscrgen/ramscrgen
@@ -35,19 +49,19 @@ RAMSCRGEN := tools/ramscrgen/ramscrgen
 
 .PHONY: rom clean compare tidy
 
-C_SRCS := $(wildcard src/*.c)
-C_OBJS := $(C_SRCS:%.c=%.o)
+$(shell mkdir -p $(C_BUILDDIR) $(ASM_BUILDDIR) $(DATA_ASM_BUILDDIR))
 
-ASM_SRCS := $(wildcard asm/*.s)
-ASM_OBJS := $(ASM_SRCS:%.s=%.o)
+C_SRCS := $(wildcard $(C_SUBDIR)/*.c)
+C_OBJS := $(patsubst $(C_SUBDIR)/%.c,$(C_BUILDDIR)/%.o,$(C_SRCS))
 
-DATA_ASM_SRCS := $(wildcard data/*.s)
-DATA_ASM_OBJS := $(DATA_ASM_SRCS:%.s=%.o)
+ASM_SRCS := $(wildcard $(ASM_SUBDIR)/*.s)
+ASM_OBJS := $(patsubst $(ASM_SUBDIR)/%.s,$(ASM_BUILDDIR)/%.o,$(ASM_SRCS))
 
-OBJS := $(C_OBJS) $(ASM_OBJS) $(DATA_ASM_OBJS)
+DATA_ASM_SRCS := $(wildcard $(DATA_ASM_SUBDIR)/*.s)
+DATA_ASM_OBJS := $(patsubst $(DATA_ASM_SUBDIR)/%.s,$(DATA_ASM_BUILDDIR)/%.o,$(DATA_ASM_SRCS))
 
-ROM := pokeemerald.gba
-ELF := $(ROM:.gba=.elf)
+OBJS := $(C_OBJS) $(ASM_OBJS) $(DATA_ASM_OBJS)
+OBJS_REL := $(patsubst $(OBJ_DIR)/%,%,$(OBJS))
 
 rom: $(ROM)
 
@@ -59,8 +73,8 @@ clean: tidy
 	find . \( -iname '*.1bpp' -o -iname '*.4bpp' -o -iname '*.8bpp' -o -iname '*.gbapal' -o -iname '*.lz' -o -iname '*.latfont' -o -iname '*.hwjpnfont' -o -iname '*.fwjpnfont' \) -exec rm {} +
 
 tidy:
-	rm -f ld_script.ld sym_bss.ld sym_common.ld sym_ewram.ld
-	rm -f $(ROM) $(ELF) $(OBJS) $(C_SRCS:%.c=%.i) pokeemerald.map
+	rm -f $(ROM) $(ELF) $(MAP)
+	rm -r build/*
 
 include graphics_file_rules.mk
 
@@ -75,56 +89,62 @@ include graphics_file_rules.mk
 %.lz: % ; $(GFX) $< $@
 %.rl: % ; $(GFX) $< $@
 
-src/libc.o: CC1 := tools/agbcc/bin/old_agbcc
-src/libc.o: CFLAGS := -O2
+$(C_BUILDDIR)/libc.o: CC1 := tools/agbcc/bin/old_agbcc
+$(C_BUILDDIR)/libc.o: CFLAGS := -O2
 
-src/siirtc.o: CFLAGS := -mthumb-interwork
+$(C_BUILDDIR)/siirtc.o: CFLAGS := -mthumb-interwork
 
-src/agb_flash.o: CFLAGS := -O -mthumb-interwork
-src/agb_flash_1m.o: CFLAGS := -O -mthumb-interwork
-src/agb_flash_mx.o: CFLAGS := -O -mthumb-interwork
+$(C_BUILDDIR)/agb_flash.o: CFLAGS := -O -mthumb-interwork
+$(C_BUILDDIR)/agb_flash_1m.o: CFLAGS := -O -mthumb-interwork
+$(C_BUILDDIR)/agb_flash_mx.o: CFLAGS := -O -mthumb-interwork
 
-src/m4a_2.o: CC1 := tools/agbcc/bin/old_agbcc
-src/m4a_4.o: CC1 := tools/agbcc/bin/old_agbcc
+$(C_BUILDDIR)/m4a_2.o: CC1 := tools/agbcc/bin/old_agbcc
+$(C_BUILDDIR)/m4a_4.o: CC1 := tools/agbcc/bin/old_agbcc
 
 ifeq ($(NODEP),)
-%.o: c_dep = $(shell $(SCANINC) $*.c)
+$(C_BUILDDIR)/%.o: c_dep = $(shell $(SCANINC) $(C_SUBDIR)/$*.c)
 else
-%.o: c_dep :=
+$(C_BUILDDIR)/%.o: c_dep :=
 endif
 
-$(C_OBJS): %.o : %.c $$(c_dep)
-	@$(CPP) $(CPPFLAGS) $< -o $*.i
-	@$(PREPROC) $*.i charmap.txt | $(CC1) $(CFLAGS) -o $*.s
-	@echo -e ".text\n\t.align\t2, 0\n" >> $*.s
-	$(AS) $(ASFLAGS) -o $@ $*.s
+$(C_BUILDDIR)/%.o : $(C_SUBDIR)/%.c $$(c_dep)
+	@$(CPP) $(CPPFLAGS) $< -o $(C_BUILDDIR)/$*.i
+	@$(PREPROC) $(C_BUILDDIR)/$*.i charmap.txt | $(CC1) $(CFLAGS) -o $(C_BUILDDIR)/$*.s
+	@echo -e ".text\n\t.align\t2, 0\n" >> $(C_BUILDDIR)/$*.s
+	$(AS) $(ASFLAGS) -o $@ $(C_BUILDDIR)/$*.s
 
 ifeq ($(NODEP),)
-%.o: asm_dep = $(shell $(SCANINC) $*.s)
+$(ASM_BUILDDIR)/%.o: asm_dep = $(shell $(SCANINC) $(ASM_SUBDIR)/$*.s)
 else
-%.o: asm_dep :=
+$(ASM_BUILDDIR)/%.o: asm_dep :=
 endif
 
-$(ASM_OBJS): %.o: %.s $$(asm_dep)
+$(ASM_BUILDDIR)/%.o: $(ASM_SUBDIR)/%.s $$(asm_dep)
 	$(AS) $(ASFLAGS) -o $@ $<
 
-$(DATA_ASM_OBJS): %.o: %.s $$(asm_dep)
+ifeq ($(NODEP),)
+$(DATA_ASM_BUILDDIR)/%.o: data_dep = $(shell $(SCANINC) $(DATA_ASM_SUBDIR)/$*.s)
+else
+$(DATA_ASM_BUILDDIR)/%.o: data_dep :=
+endif
+
+$(DATA_ASM_BUILDDIR)/%.o: $(DATA_ASM_SUBDIR)/%.s $$(data_dep)
 	$(PREPROC) $< charmap.txt | $(AS) $(ASFLAGS) -o $@
 
-sym_bss.ld: sym_bss.txt
-	$(RAMSCRGEN) .bss sym_bss.txt ENGLISH >$@
+$(OBJ_DIR)/sym_bss.ld: sym_bss.txt
+	$(RAMSCRGEN) .bss $< ENGLISH > $@
 
-sym_common.ld: sym_common.txt $(C_OBJS) $(wildcard common_syms/*.txt)
-	$(RAMSCRGEN) COMMON sym_common.txt ENGLISH -c src,common_syms >$@
+$(OBJ_DIR)/sym_common.ld: sym_common.txt $(C_OBJS) $(wildcard common_syms/*.txt)
+	$(RAMSCRGEN) COMMON $< ENGLISH -c $(C_BUILDDIR),common_syms > $@
 
-sym_ewram.ld: sym_ewram.txt
-	$(RAMSCRGEN) ewram_data sym_ewram.txt ENGLISH >$@
+$(OBJ_DIR)/sym_ewram.ld: sym_ewram.txt
+	$(RAMSCRGEN) ewram_data $< ENGLISH > $@
 
-ld_script.ld: ld_script.txt sym_bss.ld sym_common.ld sym_ewram.ld
-	sed -f ld_script.sed ld_script.txt >ld_script.ld
+$(OBJ_DIR)/ld_script.ld: ld_script.txt $(OBJ_DIR)/sym_bss.ld $(OBJ_DIR)/sym_common.ld $(OBJ_DIR)/sym_ewram.ld
+	cd $(OBJ_DIR) && sed -f ../../ld_script.sed ../../$< | sed "s#tools/#../../tools/#g" | sed "s#sound/#../../sound/#g" > ld_script.ld
 
-$(ELF): ld_script.ld $(OBJS)
-	$(LD) $(LDFLAGS) -o $@ $(OBJS) $(LIBGCC)
+$(ELF): $(OBJ_DIR)/ld_script.ld $(OBJS)
+	cd $(OBJ_DIR) && $(LD) $(LDFLAGS) -T ld_script.ld -o ../../$@ $(OBJS_REL) ../../$(LIBGCC)
 
 $(ROM): $(ELF)
 	$(OBJCOPY) -O binary --gap-fill 0xFF --pad-to 0x9000000 $< $@
diff --git a/asm/battle_9.s b/asm/battle_9.s
deleted file mode 100644
index 0dfc105ec..000000000
--- a/asm/battle_9.s
+++ /dev/null
@@ -1,2847 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start ai_switch_perish_song
-ai_switch_perish_song: @ 8062BF8
-	push {lr}
-	ldr r1, =gStatuses3
-	ldr r0, =gActiveBank
-	ldrb r2, [r0]
-	lsls r0, r2, 2
-	adds r0, r1
-	ldr r0, [r0]
-	movs r1, 0x20
-	ands r0, r1
-	cmp r0, 0
-	beq _08062C50
-	ldr r0, =gDisableStructs
-	lsls r1, r2, 3
-	subs r1, r2
-	lsls r1, 2
-	adds r1, r0
-	ldrb r0, [r1, 0xF]
-	lsls r0, 28
-	cmp r0, 0
-	bne _08062C50
-	ldr r0, =gBattleStruct
-	ldr r0, [r0]
-	adds r0, r2, r0
-	movs r1, 0xA5
-	lsls r1, 2
-	adds r0, r1
-	movs r1, 0x6
-	strb r1, [r0]
-	movs r0, 0x1
-	movs r1, 0x2
-	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
-	movs r0, 0x1
-	b _08062C52
-	.pool
-_08062C50:
-	movs r0, 0
-_08062C52:
-	pop {r1}
-	bx r1
-	thumb_func_end ai_switch_perish_song
-
-	thumb_func_start sub_8062C58
-sub_8062C58: @ 8062C58
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x4
-	ldr r0, =gBattleTypeFlags
-	ldr r0, [r0]
-	movs r1, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _08062C72
-	b _08062E2C
-_08062C72:
-	ldr r0, =gActiveBank
-	ldrb r0, [r0]
-	bl GetBankIdentity
-	movs r1, 0x1
-	eors r0, r1
-	lsls r0, 24
-	lsrs r0, 24
-	mov r10, r0
-	ldr r4, =gBattleMons
-	bl GetBankByIdentity
-	lsls r0, 24
-	lsrs r0, 24
-	movs r1, 0x58
-	muls r0, r1
-	adds r0, r4
-	adds r0, 0x20
-	ldrb r0, [r0]
-	cmp r0, 0x19
-	beq _08062C9E
-	b _08062E2C
-_08062C9E:
-	mov r0, r10
-	bl GetBankByIdentity
-	lsls r0, 24
-	lsrs r2, r0, 24
-	movs r6, 0
-	mov r8, r4
-	movs r7, 0x58
-	adds r0, r2, 0
-	muls r0, r7
-	adds r4, r0, r4
-	movs r0, 0x20
-	adds r0, r4
-	mov r9, r0
-_08062CBA:
-	lsls r1, r6, 1
-	ldr r5, =gActiveBank
-	ldrb r0, [r5]
-	muls r0, r7
-	adds r1, r0
-	mov r0, r8
-	adds r0, 0xC
-	adds r1, r0
-	ldrh r0, [r1]
-	cmp r0, 0
-	beq _08062CE8
-	ldrh r1, [r4]
-	mov r3, r9
-	ldrb r2, [r3]
-	bl AI_TypeCalc
-	lsls r0, 24
-	lsrs r1, r0, 24
-	movs r0, 0x2
-	ands r1, r0
-	cmp r1, 0
-	beq _08062CE8
-	b _08062E2C
-_08062CE8:
-	adds r6, 0x1
-	cmp r6, 0x3
-	ble _08062CBA
-	ldr r0, =gBattleTypeFlags
-	ldr r0, [r0]
-	ldr r1, =0x00808000
-	ands r0, r1
-	cmp r0, 0
-	beq _08062D50
-	ldrb r1, [r5]
-	movs r0, 0x2
-	ands r0, r1
-	adds r1, r5, 0
-	cmp r0, 0
-	bne _08062D20
-	movs r4, 0
-	movs r0, 0x3
-	str r0, [sp]
-	b _08062D58
-	.pool
-_08062D20:
-	movs r4, 0x3
-	movs r3, 0x6
-	str r3, [sp]
-	b _08062D58
-_08062D28:
-	ldr r0, =gActiveBank
-	ldrb r0, [r0]
-	ldr r1, =gBattleStruct
-	ldr r1, [r1]
-	adds r0, r1
-	movs r1, 0xA5
-	lsls r1, 2
-	adds r0, r1
-	strb r6, [r0]
-	movs r0, 0x1
-	movs r1, 0x2
-	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
-	movs r0, 0x1
-	b _08062E2E
-	.pool
-_08062D50:
-	movs r4, 0
-	movs r3, 0x6
-	str r3, [sp]
-	adds r1, r5, 0
-_08062D58:
-	ldrb r0, [r1]
-	bl GetBankSide
-	lsls r0, 24
-	ldr r1, =gEnemyParty
-	mov r9, r1
-	cmp r0, 0
-	bne _08062D6C
-	ldr r3, =gPlayerParty
-	mov r9, r3
-_08062D6C:
-	adds r6, r4, 0
-	ldr r0, [sp]
-	cmp r6, r0
-	bge _08062E2C
-_08062D74:
-	movs r0, 0x64
-	adds r5, r6, 0
-	muls r5, r0
-	mov r1, r9
-	adds r4, r1, r5
-	adds r0, r4, 0
-	movs r1, 0x39
-	bl GetMonData
-	cmp r0, 0
-	beq _08062E24
-	adds r0, r4, 0
-	movs r1, 0x41
-	bl GetMonData
-	cmp r0, 0
-	beq _08062E24
-	adds r0, r4, 0
-	movs r1, 0x41
-	bl GetMonData
-	movs r1, 0xCE
-	lsls r1, 1
-	cmp r0, r1
-	beq _08062E24
-	ldr r1, =gBattlePartyID
-	ldr r0, =gActiveBank
-	ldrb r0, [r0]
-	lsls r0, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r6, r0
-	beq _08062E24
-	adds r0, r4, 0
-	movs r1, 0xB
-	bl GetMonData
-	adds r0, r4, 0
-	movs r1, 0x2E
-	bl GetMonData
-	mov r0, r10
-	bl GetBankByIdentity
-	lsls r0, 24
-	lsrs r2, r0, 24
-	movs r4, 0
-	mov r8, r5
-	ldr r1, =gBattleMons
-	movs r0, 0x58
-	muls r0, r2
-	adds r5, r0, r1
-	adds r7, r5, 0
-	adds r7, 0x20
-_08062DE0:
-	adds r1, r4, 0
-	adds r1, 0xD
-	mov r0, r9
-	add r0, r8
-	bl GetMonData
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0
-	beq _08062E1E
-	ldrh r1, [r5]
-	ldrb r2, [r7]
-	bl AI_TypeCalc
-	lsls r0, 24
-	lsrs r1, r0, 24
-	movs r0, 0x2
-	ands r1, r0
-	cmp r1, 0
-	beq _08062E1E
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x3
-	bl __umodsi3
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bls _08062D28
-_08062E1E:
-	adds r4, 0x1
-	cmp r4, 0x3
-	ble _08062DE0
-_08062E24:
-	adds r6, 0x1
-	ldr r3, [sp]
-	cmp r6, r3
-	blt _08062D74
-_08062E2C:
-	movs r0, 0
-_08062E2E:
-	add sp, 0x4
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_8062C58
-
-	thumb_func_start sub_8062E54
-sub_8062E54: @ 8062E54
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x8
-	movs r0, 0x1
-	bl ai_has_super_effective_move_on_field
-	lsls r0, 24
-	cmp r0, 0
-	beq _08062E82
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x3
-	bl __umodsi3
-	lsls r0, 16
-	cmp r0, 0
-	beq _08062E82
-	b _080630AC
-_08062E82:
-	ldr r1, =gUnknown_02024250
-	ldr r5, =gActiveBank
-	ldrb r3, [r5]
-	lsls r0, r3, 1
-	adds r4, r0, r1
-	ldrh r1, [r4]
-	cmp r1, 0
-	bne _08062E94
-	b _080630AC
-_08062E94:
-	ldr r0, =0x0000ffff
-	cmp r1, r0
-	bne _08062E9C
-	b _080630AC
-_08062E9C:
-	ldr r2, =gBattleMoves
-	ldrh r1, [r4]
-	lsls r0, r1, 1
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r2
-	ldrb r0, [r0, 0x1]
-	cmp r0, 0
-	bne _08062EB0
-	b _080630AC
-_08062EB0:
-	ldr r0, =gBattleTypeFlags
-	ldr r0, [r0]
-	movs r1, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _08062F1A
-	mov r8, r3
-	mov r0, r8
-	bl GetBankIdentity
-	movs r4, 0x2
-	eors r0, r4
-	lsls r0, 24
-	lsrs r0, 24
-	bl GetBankByIdentity
-	ldr r1, =gAbsentBankFlags
-	ldrb r1, [r1]
-	ldr r2, =gBitTable
-	lsls r0, 24
-	lsrs r0, 22
-	adds r0, r2
-	ldr r0, [r0]
-	ands r1, r0
-	cmp r1, 0
-	beq _08062F04
-	ldrb r7, [r5]
-	b _08062F1E
-	.pool
-_08062F04:
-	ldrb r0, [r5]
-	bl GetBankIdentity
-	eors r0, r4
-	lsls r0, 24
-	lsrs r0, 24
-	bl GetBankByIdentity
-	lsls r0, 24
-	lsrs r7, r0, 24
-	b _08062F1E
-_08062F1A:
-	adds r7, r3, 0
-	mov r8, r7
-_08062F1E:
-	ldr r3, =gBattleMoves
-	ldr r1, =gUnknown_02024250
-	ldr r2, =gActiveBank
-	ldrb r0, [r2]
-	lsls r0, 1
-	adds r0, r1
-	ldrh r1, [r0]
-	lsls r0, r1, 1
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r3
-	ldrb r0, [r0, 0x2]
-	cmp r0, 0xA
-	bne _08062F4C
-	movs r0, 0x12
-	b _08062F5E
-	.pool
-_08062F4C:
-	cmp r0, 0xB
-	bne _08062F56
-	movs r1, 0xB
-	str r1, [sp]
-	b _08062F60
-_08062F56:
-	cmp r0, 0xD
-	beq _08062F5C
-	b _080630AC
-_08062F5C:
-	movs r0, 0xA
-_08062F5E:
-	str r0, [sp]
-_08062F60:
-	ldr r1, =gBattleMons
-	ldrb r3, [r2]
-	movs r0, 0x58
-	muls r0, r3
-	adds r0, r1
-	adds r0, 0x20
-	ldrb r0, [r0]
-	ldr r1, [sp]
-	cmp r0, r1
-	bne _08062F76
-	b _080630AC
-_08062F76:
-	ldr r0, =gBattleTypeFlags
-	ldr r0, [r0]
-	ldr r1, =0x00808000
-	ands r0, r1
-	cmp r0, 0
-	beq _08062FCC
-	movs r0, 0x2
-	ands r3, r0
-	cmp r3, 0
-	bne _08062F9C
-	movs r4, 0
-	movs r0, 0x3
-	b _08062FD0
-	.pool
-_08062F9C:
-	movs r4, 0x3
-	movs r1, 0x6
-	mov r10, r1
-	b _08062FD2
-_08062FA4:
-	ldr r0, =gActiveBank
-	ldrb r0, [r0]
-	ldr r1, =gBattleStruct
-	ldr r1, [r1]
-	adds r0, r1
-	movs r2, 0xA5
-	lsls r2, 2
-	adds r0, r2
-	strb r5, [r0]
-	movs r0, 0x1
-	movs r1, 0x2
-	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
-	movs r0, 0x1
-	b _080630AE
-	.pool
-_08062FCC:
-	movs r4, 0
-	movs r0, 0x6
-_08062FD0:
-	mov r10, r0
-_08062FD2:
-	ldrb r0, [r2]
-	bl GetBankSide
-	lsls r0, 24
-	ldr r1, =gEnemyParty
-	str r1, [sp, 0x4]
-	cmp r0, 0
-	bne _08062FE6
-	ldr r2, =gPlayerParty
-	str r2, [sp, 0x4]
-_08062FE6:
-	adds r5, r4, 0
-	cmp r5, r10
-	bge _080630AC
-	ldr r0, =gBaseStats
-	mov r9, r0
-_08062FF0:
-	movs r0, 0x64
-	muls r0, r5
-	ldr r1, [sp, 0x4]
-	adds r6, r1, r0
-	adds r0, r6, 0
-	movs r1, 0x39
-	bl GetMonData
-	cmp r0, 0
-	beq _080630A6
-	adds r0, r6, 0
-	movs r1, 0x41
-	bl GetMonData
-	cmp r0, 0
-	beq _080630A6
-	adds r0, r6, 0
-	movs r1, 0x41
-	bl GetMonData
-	movs r1, 0xCE
-	lsls r1, 1
-	cmp r0, r1
-	beq _080630A6
-	ldr r1, =gBattlePartyID
-	mov r2, r8
-	lsls r0, r2, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r5, r0
-	beq _080630A6
-	lsls r0, r7, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r5, r0
-	beq _080630A6
-	ldr r0, =gBattleStruct
-	ldr r1, [r0]
-	adds r0, r2, r1
-	adds r0, 0x5C
-	ldrb r0, [r0]
-	cmp r5, r0
-	beq _080630A6
-	adds r0, r7, r1
-	adds r0, 0x5C
-	ldrb r0, [r0]
-	cmp r5, r0
-	beq _080630A6
-	adds r0, r6, 0
-	movs r1, 0xB
-	bl GetMonData
-	lsls r0, 16
-	lsrs r4, r0, 16
-	adds r0, r6, 0
-	movs r1, 0x2E
-	bl GetMonData
-	cmp r0, 0
-	beq _08063088
-	lsls r0, r4, 3
-	subs r0, r4
-	lsls r0, 2
-	add r0, r9
-	ldrb r0, [r0, 0x17]
-	b _08063092
-	.pool
-_08063088:
-	lsls r0, r4, 3
-	subs r0, r4
-	lsls r0, 2
-	add r0, r9
-	ldrb r0, [r0, 0x16]
-_08063092:
-	ldr r1, [sp]
-	cmp r1, r0
-	bne _080630A6
-	bl Random
-	movs r1, 0x1
-	ands r1, r0
-	cmp r1, 0
-	beq _080630A6
-	b _08062FA4
-_080630A6:
-	adds r5, 0x1
-	cmp r5, r10
-	blt _08062FF0
-_080630AC:
-	movs r0, 0
-_080630AE:
-	add sp, 0x8
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8062E54
-
-	thumb_func_start ai_switchout_natural_cure
-ai_switchout_natural_cure: @ 80630C0
-	push {r4,r5,lr}
-	ldr r3, =gBattleMons
-	ldr r5, =gActiveBank
-	ldrb r4, [r5]
-	movs r0, 0x58
-	adds r2, r4, 0
-	muls r2, r0
-	adds r0, r3, 0
-	adds r0, 0x4C
-	adds r0, r2, r0
-	ldr r0, [r0]
-	movs r1, 0x7
-	ands r0, r1
-	cmp r0, 0
-	beq _08063188
-	adds r1, r2, r3
-	adds r0, r1, 0
-	adds r0, 0x20
-	ldrb r0, [r0]
-	cmp r0, 0x1E
-	bne _08063188
-	ldrh r0, [r1, 0x2C]
-	ldrh r1, [r1, 0x28]
-	lsrs r0, 1
-	cmp r1, r0
-	bcc _08063188
-	ldr r1, =gUnknown_02024250
-	lsls r0, r4, 1
-	adds r0, r1
-	ldrh r1, [r0]
-	cmp r1, 0
-	beq _08063106
-	ldr r0, =0x0000ffff
-	cmp r1, r0
-	bne _08063128
-_08063106:
-	bl Random
-	movs r1, 0x1
-	ands r1, r0
-	cmp r1, 0
-	beq _08063128
-	ldrb r0, [r5]
-	b _08063190
-	.pool
-_08063128:
-	ldr r2, =gBattleMoves
-	ldr r1, =gUnknown_02024250
-	ldr r4, =gActiveBank
-	ldrb r0, [r4]
-	lsls r0, 1
-	adds r0, r1
-	ldrh r1, [r0]
-	lsls r0, r1, 1
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r2
-	ldrb r0, [r0, 0x1]
-	cmp r0, 0
-	bne _08063160
-	bl Random
-	movs r1, 0x1
-	ands r1, r0
-	cmp r1, 0
-	beq _08063160
-	ldrb r0, [r4]
-	b _08063190
-	.pool
-_08063160:
-	movs r0, 0x8
-	movs r1, 0x1
-	bl ai_switchout_something
-	lsls r0, 24
-	cmp r0, 0
-	bne _080631AA
-	movs r0, 0x4
-	movs r1, 0x1
-	bl ai_switchout_something
-	lsls r0, 24
-	cmp r0, 0
-	bne _080631AA
-	bl Random
-	movs r1, 0x1
-	ands r1, r0
-	cmp r1, 0
-	bne _0806318C
-_08063188:
-	movs r0, 0
-	b _080631AC
-_0806318C:
-	ldr r0, =gActiveBank
-	ldrb r0, [r0]
-_08063190:
-	ldr r1, =gBattleStruct
-	ldr r1, [r1]
-	adds r0, r1
-	movs r1, 0xA5
-	lsls r1, 2
-	adds r0, r1
-	movs r1, 0x6
-	strb r1, [r0]
-	movs r0, 0x1
-	movs r1, 0x2
-	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
-_080631AA:
-	movs r0, 0x1
-_080631AC:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end ai_switchout_natural_cure
-
-	thumb_func_start ai_has_super_effective_move_on_field
-ai_has_super_effective_move_on_field: @ 80631BC
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	lsls r0, 24
-	lsrs r0, 24
-	mov r9, r0
-	ldr r0, =gActiveBank
-	ldrb r0, [r0]
-	bl GetBankIdentity
-	movs r1, 0x1
-	eors r0, r1
-	lsls r0, 24
-	lsrs r0, 24
-	mov r10, r0
-	bl GetBankByIdentity
-	lsls r0, 24
-	lsrs r3, r0, 24
-	ldr r0, =gAbsentBankFlags
-	ldrb r1, [r0]
-	ldr r2, =gBitTable
-	lsls r0, r3, 2
-	adds r0, r2
-	ldr r0, [r0]
-	ands r1, r0
-	cmp r1, 0
-	bne _08063256
-	movs r4, 0
-	ldr r6, =gBattleMons
-	movs r7, 0x58
-	adds r0, r3, 0
-	muls r0, r7
-	adds r5, r0, r6
-	movs r0, 0x20
-	adds r0, r5
-	mov r8, r0
-_0806320A:
-	lsls r1, r4, 1
-	ldr r0, =gActiveBank
-	ldrb r0, [r0]
-	muls r0, r7
-	adds r1, r0
-	adds r0, r6, 0
-	adds r0, 0xC
-	adds r1, r0
-	ldrh r0, [r1]
-	cmp r0, 0
-	beq _08063250
-	ldrh r1, [r5]
-	mov r3, r8
-	ldrb r2, [r3]
-	bl AI_TypeCalc
-	lsls r0, 24
-	lsrs r1, r0, 24
-	movs r0, 0x2
-	ands r1, r0
-	cmp r1, 0
-	beq _08063250
-	mov r0, r9
-	cmp r0, 0
-	bne _08063278
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0xA
-	bl __umodsi3
-	lsls r0, 16
-	cmp r0, 0
-	bne _08063278
-_08063250:
-	adds r4, 0x1
-	cmp r4, 0x3
-	ble _0806320A
-_08063256:
-	ldr r0, =gBattleTypeFlags
-	ldr r0, [r0]
-	movs r1, 0x1
-	ands r0, r1
-	cmp r0, 0
-	bne _0806327C
-	b _080632FA
-	.pool
-_08063278:
-	movs r0, 0x1
-	b _080632FC
-_0806327C:
-	movs r1, 0x2
-	mov r0, r10
-	eors r0, r1
-	bl GetBankByIdentity
-	lsls r0, 24
-	lsrs r3, r0, 24
-	ldr r0, =gAbsentBankFlags
-	ldrb r1, [r0]
-	ldr r2, =gBitTable
-	lsls r0, r3, 2
-	adds r0, r2
-	ldr r0, [r0]
-	ands r1, r0
-	cmp r1, 0
-	bne _080632FA
-	movs r4, 0
-	ldr r6, =gBattleMons
-	movs r7, 0x58
-	adds r0, r3, 0
-	muls r0, r7
-	adds r5, r0, r6
-	movs r3, 0x20
-	adds r3, r5
-	mov r8, r3
-_080632AE:
-	lsls r1, r4, 1
-	ldr r0, =gActiveBank
-	ldrb r0, [r0]
-	muls r0, r7
-	adds r1, r0
-	adds r0, r6, 0
-	adds r0, 0xC
-	adds r1, r0
-	ldrh r0, [r1]
-	cmp r0, 0
-	beq _080632F4
-	ldrh r1, [r5]
-	mov r3, r8
-	ldrb r2, [r3]
-	bl AI_TypeCalc
-	lsls r0, 24
-	lsrs r1, r0, 24
-	movs r0, 0x2
-	ands r1, r0
-	cmp r1, 0
-	beq _080632F4
-	mov r0, r9
-	cmp r0, 0
-	bne _08063278
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0xA
-	bl __umodsi3
-	lsls r0, 16
-	cmp r0, 0
-	bne _08063278
-_080632F4:
-	adds r4, 0x1
-	cmp r4, 0x3
-	ble _080632AE
-_080632FA:
-	movs r0, 0
-_080632FC:
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end ai_has_super_effective_move_on_field
-
-	thumb_func_start ai_is_too_invested_in_stat_buffs
-ai_is_too_invested_in_stat_buffs: @ 806331C
-	push {r4,lr}
-	movs r4, 0
-	ldr r1, =gBattleMons
-	ldr r0, =gActiveBank
-	ldrb r2, [r0]
-	movs r0, 0x58
-	muls r0, r2
-	adds r1, 0x18
-	adds r2, r0, r1
-	movs r3, 0x7
-_08063330:
-	ldrb r1, [r2]
-	movs r0, 0
-	ldrsb r0, [r2, r0]
-	cmp r0, 0x6
-	ble _08063346
-	subs r1, 0x6
-	lsls r0, r4, 24
-	asrs r0, 24
-	adds r0, r1
-	lsls r0, 24
-	lsrs r4, r0, 24
-_08063346:
-	adds r2, 0x1
-	subs r3, 0x1
-	cmp r3, 0
-	bge _08063330
-	movs r0, 0
-	cmp r4, 0x3
-	bls _08063356
-	movs r0, 0x1
-_08063356:
-	pop {r4}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end ai_is_too_invested_in_stat_buffs
-
-	thumb_func_start ai_switchout_something
-ai_switchout_something: @ 8063364
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x10
-	lsls r0, 24
-	lsrs r0, 24
-	str r0, [sp]
-	lsls r1, 24
-	lsrs r1, 24
-	str r1, [sp, 0x4]
-	ldr r2, =gUnknown_02024250
-	ldr r1, =gActiveBank
-	ldrb r3, [r1]
-	lsls r0, r3, 1
-	adds r4, r0, r2
-	ldrh r2, [r4]
-	adds r5, r1, 0
-	cmp r2, 0
-	bne _08063390
-	b _080635EE
-_08063390:
-	ldr r0, =0x0000ffff
-	cmp r2, r0
-	bne _08063398
-	b _080635EE
-_08063398:
-	ldr r0, =gUnknown_02024270
-	adds r0, r3, r0
-	ldrb r0, [r0]
-	cmp r0, 0xFF
-	bne _080633A4
-	b _080635EE
-_080633A4:
-	ldr r2, =gBattleMoves
-	ldrh r1, [r4]
-	lsls r0, r1, 1
-	adds r0, r1
-	lsls r0, 2
-	adds r0, r2
-	ldrb r0, [r0, 0x1]
-	cmp r0, 0
-	bne _080633B8
-	b _080635EE
-_080633B8:
-	ldr r0, =gBattleTypeFlags
-	ldr r0, [r0]
-	movs r1, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq _0806342C
-	mov r9, r3
-	mov r0, r9
-	bl GetBankIdentity
-	movs r4, 0x2
-	eors r0, r4
-	lsls r0, 24
-	lsrs r0, 24
-	bl GetBankByIdentity
-	ldr r1, =gAbsentBankFlags
-	ldrb r1, [r1]
-	ldr r2, =gBitTable
-	lsls r0, 24
-	lsrs r0, 22
-	adds r0, r2
-	ldr r0, [r0]
-	ands r1, r0
-	cmp r1, 0
-	beq _08063414
-	ldrb r5, [r5]
-	mov r10, r5
-	b _08063430
-	.pool
-_08063414:
-	ldrb r0, [r5]
-	bl GetBankIdentity
-	eors r0, r4
-	lsls r0, 24
-	lsrs r0, 24
-	bl GetBankByIdentity
-	lsls r0, 24
-	lsrs r0, 24
-	mov r10, r0
-	b _08063430
-_0806342C:
-	mov r9, r3
-	mov r10, r9
-_08063430:
-	ldr r0, =gBattleTypeFlags
-	ldr r0, [r0]
-	ldr r1, =0x00808000
-	ands r0, r1
-	cmp r0, 0
-	beq _08063490
-	ldr r2, =gActiveBank
-	ldrb r1, [r2]
-	movs r0, 0x2
-	ands r0, r1
-	adds r5, r2, 0
-	cmp r0, 0
-	bne _08063460
-	movs r4, 0
-	movs r0, 0x3
-	str r0, [sp, 0x8]
-	b _08063498
-	.pool
-_08063460:
-	movs r4, 0x3
-	movs r1, 0x6
-	str r1, [sp, 0x8]
-	b _08063498
-_08063468:
-	ldr r0, =gActiveBank
-	ldrb r0, [r0]
-	ldr r1, =gBattleStruct
-	ldr r1, [r1]
-	adds r0, r1
-	movs r2, 0xA5
-	lsls r2, 2
-	adds r0, r2
-	strb r6, [r0]
-	movs r0, 0x1
-	movs r1, 0x2
-	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
-	movs r0, 0x1
-	b _080635F0
-	.pool
-_08063490:
-	movs r4, 0
-	movs r0, 0x6
-	str r0, [sp, 0x8]
-	ldr r5, =gActiveBank
-_08063498:
-	ldrb r0, [r5]
-	bl GetBankSide
-	lsls r0, 24
-	ldr r1, =gEnemyParty
-	str r1, [sp, 0xC]
-	cmp r0, 0
-	bne _080634AC
-	ldr r2, =gPlayerParty
-	str r2, [sp, 0xC]
-_080634AC:
-	adds r6, r4, 0
-	b _080635E6
-	.pool
-_080634BC:
-	movs r0, 0x64
-	muls r0, r6
-	ldr r1, [sp, 0xC]
-	adds r5, r1, r0
-	adds r0, r5, 0
-	movs r1, 0x39
-	bl GetMonData
-	cmp r0, 0
-	bne _080634D2
-	b _080635E4
-_080634D2:
-	adds r0, r5, 0
-	movs r1, 0x41
-	bl GetMonData
-	cmp r0, 0
-	bne _080634E0
-	b _080635E4
-_080634E0:
-	adds r0, r5, 0
-	movs r1, 0x41
-	bl GetMonData
-	movs r1, 0xCE
-	lsls r1, 1
-	cmp r0, r1
-	beq _080635E4
-	ldr r1, =gBattlePartyID
-	mov r2, r9
-	lsls r0, r2, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r6, r0
-	beq _080635E4
-	mov r2, r10
-	lsls r0, r2, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r6, r0
-	beq _080635E4
-	ldr r0, =gBattleStruct
-	ldr r1, [r0]
-	mov r2, r9
-	adds r0, r2, r1
-	adds r0, 0x5C
-	ldrb r0, [r0]
-	cmp r6, r0
-	beq _080635E4
-	mov r2, r10
-	adds r0, r2, r1
-	adds r0, 0x5C
-	ldrb r0, [r0]
-	cmp r6, r0
-	beq _080635E4
-	adds r0, r5, 0
-	movs r1, 0xB
-	bl GetMonData
-	lsls r0, 16
-	lsrs r4, r0, 16
-	adds r0, r5, 0
-	movs r1, 0x2E
-	bl GetMonData
-	cmp r0, 0
-	beq _08063558
-	lsls r0, r4, 3
-	subs r0, r4
-	lsls r0, 2
-	ldr r1, =gBaseStats
-	adds r0, r1
-	ldrb r2, [r0, 0x17]
-	b _08063564
-	.pool
-_08063558:
-	lsls r0, r4, 3
-	subs r0, r4
-	lsls r0, 2
-	ldr r2, =gBaseStats
-	adds r0, r2
-	ldrb r2, [r0, 0x16]
-_08063564:
-	ldr r1, =gUnknown_02024250
-	ldr r5, =gActiveBank
-	ldrb r0, [r5]
-	lsls r0, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	adds r1, r4, 0
-	bl AI_TypeCalc
-	ldr r1, [sp]
-	ands r1, r0
-	cmp r1, 0
-	beq _080635E4
-	ldr r1, =gUnknown_02024270
-	ldrb r0, [r5]
-	adds r0, r1
-	ldrb r0, [r0]
-	mov r9, r0
-	movs r4, 0
-	movs r0, 0x64
-	adds r1, r6, 0
-	muls r1, r0
-	mov r8, r1
-	ldr r1, =gBattleMons
-	movs r0, 0x58
-	mov r2, r9
-	muls r2, r0
-	adds r0, r2, 0
-	adds r5, r0, r1
-	adds r7, r5, 0
-	adds r7, 0x20
-_080635A2:
-	adds r1, r4, 0
-	adds r1, 0xD
-	ldr r0, [sp, 0xC]
-	add r0, r8
-	bl GetMonData
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0
-	beq _080635DE
-	ldrh r1, [r5]
-	ldrb r2, [r7]
-	bl AI_TypeCalc
-	lsls r0, 24
-	lsrs r1, r0, 24
-	movs r0, 0x2
-	ands r1, r0
-	cmp r1, 0
-	beq _080635DE
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	ldr r1, [sp, 0x4]
-	bl __modsi3
-	cmp r0, 0
-	bne _080635DE
-	b _08063468
-_080635DE:
-	adds r4, 0x1
-	cmp r4, 0x3
-	ble _080635A2
-_080635E4:
-	adds r6, 0x1
-_080635E6:
-	ldr r0, [sp, 0x8]
-	cmp r6, r0
-	bge _080635EE
-	b _080634BC
-_080635EE:
-	movs r0, 0
-_080635F0:
-	add sp, 0x10
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end ai_switchout_something
-
-	thumb_func_start sub_8063614
-sub_8063614: @ 8063614
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x4
-	ldr r6, =gBattleMons
-	ldr r4, =gActiveBank
-	ldrb r2, [r4]
-	movs r5, 0x58
-	adds r0, r2, 0
-	muls r0, r5
-	adds r1, r6, 0
-	adds r1, 0x50
-	adds r0, r1
-	ldr r0, [r0]
-	ldr r1, =0x0400e000
-	ands r0, r1
-	cmp r0, 0
-	beq _0806363E
-	b _0806386C
-_0806363E:
-	ldr r0, =gStatuses3
-	lsls r1, r2, 2
-	adds r1, r0
-	ldr r1, [r1]
-	movs r0, 0x80
-	lsls r0, 3
-	ands r1, r0
-	cmp r1, 0
-	beq _08063652
-	b _0806386C
-_08063652:
-	str r1, [sp]
-	movs r0, 0xC
-	adds r1, r2, 0
-	movs r2, 0x17
-	movs r3, 0
-	bl AbilityBattleEffects
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0
-	beq _0806366A
-	b _0806386C
-_0806366A:
-	ldrb r1, [r4]
-	str r0, [sp]
-	movs r0, 0xC
-	movs r2, 0x47
-	movs r3, 0
-	bl AbilityBattleEffects
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0
-	beq _08063682
-	b _0806386C
-_08063682:
-	str r0, [sp]
-	movs r0, 0xE
-	movs r1, 0
-	movs r2, 0x2A
-	movs r3, 0
-	bl AbilityBattleEffects
-	lsls r0, 24
-	cmp r0, 0
-	beq _080636B4
-	ldrb r0, [r4]
-	muls r0, r5
-	adds r1, r0, r6
-	adds r0, r1, 0
-	adds r0, 0x21
-	ldrb r0, [r0]
-	cmp r0, 0x8
-	bne _080636A8
-	b _0806386C
-_080636A8:
-	adds r0, r1, 0
-	adds r0, 0x22
-	ldrb r0, [r0]
-	cmp r0, 0x8
-	bne _080636B4
-	b _0806386C
-_080636B4:
-	ldr r0, =gBattleTypeFlags
-	ldr r1, [r0]
-	movs r0, 0x80
-	lsls r0, 11
-	ands r0, r1
-	cmp r0, 0
-	beq _080636C4
-	b _0806386C
-_080636C4:
-	movs r0, 0
-	mov r10, r0
-	movs r0, 0x1
-	ands r1, r0
-	cmp r1, 0
-	beq _0806372E
-	ldrb r7, [r4]
-	adds r0, r7, 0
-	bl GetBankIdentity
-	movs r5, 0x2
-	eors r0, r5
-	lsls r0, 24
-	lsrs r0, 24
-	bl GetBankByIdentity
-	ldr r1, =gAbsentBankFlags
-	ldrb r1, [r1]
-	ldr r2, =gBitTable
-	lsls r0, 24
-	lsrs r0, 22
-	adds r0, r2
-	ldr r0, [r0]
-	ands r1, r0
-	cmp r1, 0
-	beq _08063718
-	ldrb r6, [r4]
-	b _08063732
-	.pool
-_08063718:
-	ldrb r0, [r4]
-	bl GetBankIdentity
-	eors r0, r5
-	lsls r0, 24
-	lsrs r0, 24
-	bl GetBankByIdentity
-	lsls r0, 24
-	lsrs r6, r0, 24
-	b _08063732
-_0806372E:
-	ldrb r6, [r4]
-	adds r7, r6, 0
-_08063732:
-	ldr r0, =gBattleTypeFlags
-	ldr r0, [r0]
-	ldr r1, =0x00808000
-	ands r0, r1
-	cmp r0, 0
-	beq _08063768
-	ldr r2, =gActiveBank
-	ldrb r1, [r2]
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	bne _08063760
-	movs r4, 0
-	movs r1, 0x3
-	mov r8, r1
-	b _08063770
-	.pool
-_08063760:
-	movs r4, 0x3
-	movs r0, 0x6
-	mov r8, r0
-	b _08063770
-_08063768:
-	movs r4, 0
-	movs r1, 0x6
-	mov r8, r1
-	ldr r2, =gActiveBank
-_08063770:
-	ldrb r0, [r2]
-	bl GetBankSide
-	lsls r0, 24
-	ldr r1, =gEnemyParty
-	mov r9, r1
-	cmp r0, 0
-	bne _08063784
-	ldr r0, =gPlayerParty
-	mov r9, r0
-_08063784:
-	adds r5, r4, 0
-	cmp r5, r8
-	bge _080637F2
-_0806378A:
-	movs r0, 0x64
-	muls r0, r5
-	mov r1, r9
-	adds r4, r1, r0
-	adds r0, r4, 0
-	movs r1, 0x39
-	bl GetMonData
-	cmp r0, 0
-	beq _080637EC
-	adds r0, r4, 0
-	movs r1, 0x41
-	bl GetMonData
-	cmp r0, 0
-	beq _080637EC
-	adds r0, r4, 0
-	movs r1, 0x41
-	bl GetMonData
-	movs r1, 0xCE
-	lsls r1, 1
-	cmp r0, r1
-	beq _080637EC
-	ldr r1, =gBattlePartyID
-	lsls r0, r7, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r5, r0
-	beq _080637EC
-	lsls r0, r6, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r5, r0
-	beq _080637EC
-	ldr r0, =gBattleStruct
-	ldr r1, [r0]
-	adds r0, r7, r1
-	adds r0, 0x5C
-	ldrb r0, [r0]
-	cmp r5, r0
-	beq _080637EC
-	adds r0, r6, r1
-	adds r0, 0x5C
-	ldrb r0, [r0]
-	cmp r5, r0
-	beq _080637EC
-	movs r0, 0x1
-	add r10, r0
-_080637EC:
-	adds r5, 0x1
-	cmp r5, r8
-	blt _0806378A
-_080637F2:
-	mov r1, r10
-	cmp r1, 0
-	beq _0806386C
-	bl ai_switch_perish_song
-	lsls r0, 24
-	cmp r0, 0
-	bne _08063852
-	bl sub_8062C58
-	lsls r0, 24
-	cmp r0, 0
-	bne _08063852
-	bl sub_8062E54
-	lsls r0, 24
-	cmp r0, 0
-	bne _08063852
-	bl ai_switchout_natural_cure
-	lsls r0, 24
-	cmp r0, 0
-	bne _08063852
-	movs r0, 0
-	bl ai_has_super_effective_move_on_field
-	lsls r0, 24
-	cmp r0, 0
-	bne _0806386C
-	bl ai_is_too_invested_in_stat_buffs
-	lsls r0, 24
-	cmp r0, 0
-	bne _0806386C
-	movs r0, 0x8
-	movs r1, 0x2
-	bl ai_switchout_something
-	lsls r0, 24
-	cmp r0, 0
-	bne _08063852
-	movs r0, 0x4
-	movs r1, 0x3
-	bl ai_switchout_something
-	lsls r0, 24
-	cmp r0, 0
-	beq _0806386C
-_08063852:
-	movs r0, 0x1
-	b _0806386E
-	.pool
-_0806386C:
-	movs r0, 0
-_0806386E:
-	add sp, 0x4
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8063614
-
-	thumb_func_start sub_8063880
-sub_8063880: @ 8063880
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	ldr r4, =gActiveBank
-	ldrb r0, [r4]
-	bl GetBankIdentity
-	lsls r0, 24
-	lsrs r6, r0, 24
-	adds r5, r6, 0
-	ldrb r0, [r4]
-	bl GetBankSide
-	lsls r0, 24
-	ldr r1, =gEnemyParty
-	mov r8, r1
-	cmp r0, 0
-	bne _080638A8
-	ldr r2, =gPlayerParty
-	mov r8, r2
-_080638A8:
-	ldr r7, =gBattleTypeFlags
-	ldr r0, [r7]
-	movs r1, 0x8
-	ands r0, r1
-	cmp r0, 0
-	bne _080638B6
-	b _080639E6
-_080638B6:
-	bl sub_8063614
-	lsls r0, 24
-	cmp r0, 0
-	bne _080638C2
-	b _080639DC
-_080638C2:
-	ldrb r0, [r4]
-	ldr r2, =gBattleStruct
-	ldr r1, [r2]
-	adds r0, r1
-	movs r1, 0xA5
-	lsls r1, 2
-	adds r0, r1
-	ldrb r0, [r0]
-	cmp r0, 0x6
-	bne _080639B8
-	bl sub_8063A90
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0x6
-	bne _080639A6
-	ldr r0, [r7]
-	movs r1, 0x1
-	ands r0, r1
-	cmp r0, 0
-	bne _08063910
-	adds r0, r6, 0
-	bl GetBankByIdentity
-	lsls r0, 24
-	lsrs r5, r0, 24
-	adds r6, r5, 0
-	b _08063928
-	.pool
-_08063910:
-	adds r0, r5, 0
-	bl GetBankByIdentity
-	lsls r0, 24
-	lsrs r6, r0, 24
-	movs r0, 0x2
-	eors r5, r0
-	adds r0, r5, 0
-	bl GetBankByIdentity
-	lsls r0, 24
-	lsrs r5, r0, 24
-_08063928:
-	ldr r0, =gBattleTypeFlags
-	ldr r0, [r0]
-	ldr r1, =0x00808000
-	ands r0, r1
-	cmp r0, 0
-	beq _08063958
-	ldr r0, =gActiveBank
-	ldrb r1, [r0]
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	bne _08063954
-	movs r0, 0
-	movs r7, 0x3
-	b _0806395C
-	.pool
-_08063954:
-	movs r0, 0x3
-	b _0806395A
-_08063958:
-	movs r0, 0
-_0806395A:
-	movs r7, 0x6
-_0806395C:
-	adds r4, r0, 0
-	cmp r4, r7
-	bge _080639A6
-_08063962:
-	movs r0, 0x64
-	muls r0, r4
-	add r0, r8
-	movs r1, 0x39
-	bl GetMonData
-	cmp r0, 0
-	beq _080639A0
-	ldr r1, =gBattlePartyID
-	lsls r0, r6, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r4, r0
-	beq _080639A0
-	lsls r0, r5, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r4, r0
-	beq _080639A0
-	ldr r0, =gBattleStruct
-	ldr r1, [r0]
-	adds r0, r6, r1
-	adds r0, 0x5C
-	ldrb r0, [r0]
-	cmp r4, r0
-	beq _080639A0
-	adds r0, r5, r1
-	adds r0, 0x5C
-	ldrb r0, [r0]
-	cmp r4, r0
-	bne _080639A6
-_080639A0:
-	adds r4, 0x1
-	cmp r4, r7
-	blt _08063962
-_080639A6:
-	ldr r0, =gActiveBank
-	ldrb r0, [r0]
-	ldr r2, =gBattleStruct
-	ldr r1, [r2]
-	adds r0, r1
-	movs r1, 0xA5
-	lsls r1, 2
-	adds r0, r1
-	strb r4, [r0]
-_080639B8:
-	ldr r0, =gActiveBank
-	ldrb r1, [r0]
-	ldr r0, [r2]
-	adds r0, r1, r0
-	adds r1, r0, 0
-	adds r1, 0x5C
-	movs r2, 0xA5
-	lsls r2, 2
-	adds r0, r2
-	ldrb r0, [r0]
-	strb r0, [r1]
-	b _080639F8
-	.pool
-_080639DC:
-	bl sub_8063EE0
-	lsls r0, 24
-	cmp r0, 0
-	bne _080639F8
-_080639E6:
-	ldr r0, =gActiveBank
-	ldrb r0, [r0]
-	movs r2, 0x1
-	eors r2, r0
-	lsls r2, 8
-	movs r0, 0x1
-	movs r1, 0
-	bl dp01_build_cmdbuf_x21_a_bb
-_080639F8:
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8063880
-
-	thumb_func_start sub_8063A08
-sub_8063A08: @ 8063A08
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x4
-	adds r6, r3, 0
-	lsls r0, 24
-	lsrs r0, 24
-	str r0, [sp]
-	lsls r1, 24
-	lsrs r1, 24
-	mov r9, r1
-	lsls r2, 24
-	lsrs r2, 24
-	mov r8, r2
-	movs r7, 0
-	ldr r0, =gTypeEffectiveness
-	mov r10, r0
-	ldrb r0, [r0]
-	cmp r0, 0xFF
-	beq _08063A7A
-	mov r5, r10
-_08063A36:
-	ldrb r0, [r5]
-	cmp r0, 0xFE
-	beq _08063A6C
-	ldr r1, [sp]
-	cmp r0, r1
-	bne _08063A6C
-	ldrb r4, [r5, 0x1]
-	cmp r4, r9
-	bne _08063A56
-	ldrb r1, [r6]
-	ldrb r0, [r5, 0x2]
-	muls r0, r1
-	movs r1, 0xA
-	bl __divsi3
-	strb r0, [r6]
-_08063A56:
-	cmp r4, r8
-	bne _08063A6C
-	cmp r9, r8
-	beq _08063A6C
-	ldrb r1, [r6]
-	ldrb r0, [r5, 0x2]
-	muls r0, r1
-	movs r1, 0xA
-	bl __divsi3
-	strb r0, [r6]
-_08063A6C:
-	adds r5, 0x3
-	adds r7, 0x3
-	mov r1, r10
-	adds r0, r7, r1
-	ldrb r0, [r0]
-	cmp r0, 0xFF
-	bne _08063A36
-_08063A7A:
-	add sp, 0x4
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8063A08
-
-	thumb_func_start sub_8063A90
-sub_8063A90: @ 8063A90
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x24
-	ldr r4, =gActiveBank
-	ldrb r2, [r4]
-	ldr r0, =gBattleStruct
-	ldr r0, [r0]
-	adds r0, r2, r0
-	adds r1, r0, 0
-	adds r1, 0x5C
-	ldrb r0, [r1]
-	cmp r0, 0x6
-	beq _08063AB2
-	b _08063E50
-_08063AB2:
-	ldr r0, =gBattleTypeFlags
-	ldr r1, [r0]
-	movs r0, 0x80
-	lsls r0, 11
-	ands r0, r1
-	cmp r0, 0
-	beq _08063AE0
-	ldr r1, =gBattlePartyID
-	lsls r0, r2, 1
-	adds r0, r1
-	ldrb r0, [r0]
-	adds r0, 0x1
-	lsls r0, 24
-	lsrs r0, 24
-	b _08063E50
-	.pool
-_08063AE0:
-	movs r0, 0x1
-	ands r1, r0
-	cmp r1, 0
-	beq _08063B6C
-	str r2, [sp, 0x10]
-	adds r0, r2, 0
-	bl GetBankIdentity
-	movs r5, 0x2
-	eors r0, r5
-	lsls r0, 24
-	lsrs r0, 24
-	bl GetBankByIdentity
-	ldr r1, =gAbsentBankFlags
-	ldrb r1, [r1]
-	ldr r2, =gBitTable
-	lsls r0, 24
-	lsrs r0, 22
-	adds r0, r2
-	ldr r0, [r0]
-	ands r1, r0
-	cmp r1, 0
-	beq _08063B20
-	ldrb r4, [r4]
-	str r4, [sp, 0x14]
-	b _08063B36
-	.pool
-_08063B20:
-	ldrb r0, [r4]
-	bl GetBankIdentity
-	eors r0, r5
-	lsls r0, 24
-	lsrs r0, 24
-	bl GetBankByIdentity
-	lsls r0, 24
-	lsrs r0, 24
-	str r0, [sp, 0x14]
-_08063B36:
-	bl Random
-	movs r3, 0x2
-	ands r0, r3
-	lsls r0, 24
-	lsrs r0, 24
-	str r0, [sp, 0x4]
-	ldr r0, =gAbsentBankFlags
-	ldrb r1, [r0]
-	ldr r2, =gBitTable
-	ldr r4, [sp, 0x4]
-	lsls r0, r4, 2
-	adds r0, r2
-	ldr r0, [r0]
-	ands r1, r0
-	cmp r1, 0
-	beq _08063B8A
-	eors r4, r3
-	lsls r0, r4, 24
-	lsrs r0, 24
-	str r0, [sp, 0x4]
-	b _08063B8A
-	.pool
-_08063B6C:
-	adds r0, r2, 0
-	bl GetBankIdentity
-	movs r1, 0x1
-	eors r0, r1
-	lsls r0, 24
-	lsrs r0, 24
-	bl GetBankByIdentity
-	lsls r0, 24
-	lsrs r0, 24
-	str r0, [sp, 0x4]
-	ldrb r4, [r4]
-	str r4, [sp, 0x14]
-	str r4, [sp, 0x10]
-_08063B8A:
-	ldr r0, =gBattleTypeFlags
-	ldr r0, [r0]
-	ldr r1, =0x00808000
-	ands r0, r1
-	cmp r0, 0
-	beq _08063BC2
-	ldr r2, =gActiveBank
-	ldrb r1, [r2]
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	bne _08063BB8
-	movs r0, 0
-	str r0, [sp, 0x18]
-	movs r1, 0x3
-	str r1, [sp, 0x1C]
-	b _08063BCC
-	.pool
-_08063BB8:
-	movs r4, 0x3
-	str r4, [sp, 0x18]
-	movs r0, 0x6
-	str r0, [sp, 0x1C]
-	b _08063BCC
-_08063BC2:
-	movs r1, 0
-	str r1, [sp, 0x18]
-	movs r2, 0x6
-	str r2, [sp, 0x1C]
-	ldr r2, =gActiveBank
-_08063BCC:
-	ldrb r0, [r2]
-	bl GetBankSide
-	lsls r0, 24
-	ldr r4, =gEnemyParty
-	str r4, [sp, 0x20]
-	cmp r0, 0
-	bne _08063BE0
-	ldr r0, =gPlayerParty
-	str r0, [sp, 0x20]
-_08063BE0:
-	movs r1, 0
-	mov r9, r1
-_08063BE4:
-	movs r2, 0
-	str r2, [sp, 0x8]
-	movs r4, 0x6
-	str r4, [sp, 0xC]
-	ldr r7, [sp, 0x18]
-	ldr r0, [sp, 0x1C]
-	cmp r7, r0
-	blt _08063BF6
-	b _08063CF2
-_08063BF6:
-	lsls r0, r7, 2
-	ldr r1, =gBitTable
-	adds r0, r1
-	mov r8, r0
-	mov r10, sp
-_08063C00:
-	movs r0, 0x64
-	muls r0, r7
-	ldr r2, [sp, 0x20]
-	adds r4, r2, r0
-	adds r0, r4, 0
-	movs r1, 0xB
-	bl GetMonData
-	lsls r0, 16
-	lsrs r5, r0, 16
-	cmp r5, 0
-	beq _08063CD8
-	adds r0, r4, 0
-	movs r1, 0x39
-	bl GetMonData
-	cmp r0, 0
-	beq _08063CD8
-	mov r4, r8
-	ldr r0, [r4]
-	mov r1, r9
-	ands r0, r1
-	cmp r0, 0
-	bne _08063CD8
-	ldr r1, =gBattlePartyID
-	ldr r2, [sp, 0x10]
-	lsls r0, r2, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r0, r7
-	beq _08063CD8
-	ldr r4, [sp, 0x14]
-	lsls r0, r4, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r0, r7
-	beq _08063CD8
-	ldr r0, =gBattleStruct
-	ldr r1, [r0]
-	adds r0, r2, r1
-	adds r0, 0x5C
-	ldrb r0, [r0]
-	cmp r7, r0
-	beq _08063CD8
-	adds r0, r4, r1
-	adds r0, 0x5C
-	ldrb r0, [r0]
-	cmp r7, r0
-	beq _08063CD8
-	ldr r1, =gBaseStats
-	lsls r0, r5, 3
-	subs r0, r5
-	lsls r0, 2
-	adds r0, r1
-	ldrb r5, [r0, 0x6]
-	ldrb r6, [r0, 0x7]
-	movs r0, 0xA
-	mov r1, r10
-	strb r0, [r1]
-	movs r0, 0x58
-	ldr r2, [sp, 0x4]
-	adds r4, r2, 0
-	muls r4, r0
-	ldr r0, =gBattleMons
-	adds r4, r0
-	adds r0, r4, 0
-	adds r0, 0x21
-	ldrb r0, [r0]
-	adds r1, r5, 0
-	adds r2, r6, 0
-	mov r3, sp
-	bl sub_8063A08
-	adds r4, 0x22
-	ldrb r0, [r4]
-	adds r1, r5, 0
-	adds r2, r6, 0
-	mov r3, sp
-	bl sub_8063A08
-	ldr r2, [sp, 0x8]
-	mov r1, r10
-	ldrb r1, [r1]
-	cmp r2, r1
-	bcs _08063CE6
-	mov r2, r10
-	ldrb r2, [r2]
-	str r2, [sp, 0x8]
-	lsls r0, r7, 24
-	lsrs r0, 24
-	str r0, [sp, 0xC]
-	b _08063CE6
-	.pool
-_08063CD8:
-	mov r4, r8
-	ldr r0, [r4]
-	mov r1, r9
-	orrs r1, r0
-	lsls r0, r1, 24
-	lsrs r0, 24
-	mov r9, r0
-_08063CE6:
-	movs r2, 0x4
-	add r8, r2
-	adds r7, 0x1
-	ldr r4, [sp, 0x1C]
-	cmp r7, r4
-	blt _08063C00
-_08063CF2:
-	ldr r0, [sp, 0xC]
-	cmp r0, 0x6
-	beq _08063D54
-	movs r7, 0
-	movs r0, 0x64
-	ldr r1, [sp, 0xC]
-	adds r5, r1, 0
-	muls r5, r0
-_08063D02:
-	adds r1, r7, 0
-	adds r1, 0xD
-	ldr r2, [sp, 0x20]
-	adds r0, r2, r5
-	bl GetMonData
-	lsls r0, 16
-	lsrs r4, r0, 16
-	cmp r4, 0
-	beq _08063D2A
-	ldr r0, =gActiveBank
-	ldrb r1, [r0]
-	adds r0, r4, 0
-	ldr r2, [sp, 0x4]
-	bl TypeCalc
-	movs r1, 0x2
-	ands r1, r0
-	cmp r1, 0
-	bne _08063D30
-_08063D2A:
-	adds r7, 0x1
-	cmp r7, 0x3
-	ble _08063D02
-_08063D30:
-	cmp r7, 0x4
-	beq _08063D36
-	b _08063E4E
-_08063D36:
-	ldr r4, [sp, 0xC]
-	lsls r0, r4, 2
-	ldr r1, =gBitTable
-	adds r0, r1
-	ldr r0, [r0]
-	mov r2, r9
-	orrs r2, r0
-	lsls r0, r2, 24
-	lsrs r0, 24
-	mov r9, r0
-	b _08063D58
-	.pool
-_08063D54:
-	movs r4, 0x3F
-	mov r9, r4
-_08063D58:
-	mov r0, r9
-	cmp r0, 0x3F
-	beq _08063D60
-	b _08063BE4
-_08063D60:
-	ldr r0, =gDynamicBasePower
-	movs r1, 0
-	strh r1, [r0]
-	ldr r0, =gBattleStruct
-	ldr r0, [r0]
-	strb r1, [r0, 0x13]
-	ldr r0, =gBattleScripting
-	movs r2, 0x1
-	strb r2, [r0, 0xE]
-	ldr r0, =gBattleMoveFlags
-	strb r1, [r0]
-	ldr r0, =gCritMultiplier
-	strb r2, [r0]
-	movs r1, 0
-	str r1, [sp, 0x8]
-	movs r2, 0x6
-	str r2, [sp, 0xC]
-	ldr r7, [sp, 0x18]
-	ldr r4, [sp, 0x1C]
-	cmp r7, r4
-	bge _08063E4E
-_08063D8A:
-	movs r0, 0x64
-	adds r6, r7, 0
-	muls r6, r0
-	ldr r0, [sp, 0x20]
-	adds r4, r0, r6
-	adds r0, r4, 0
-	movs r1, 0xB
-	bl GetMonData
-	lsls r0, 16
-	adds r1, r7, 0x1
-	mov r10, r1
-	cmp r0, 0
-	beq _08063E46
-	adds r0, r4, 0
-	movs r1, 0x39
-	bl GetMonData
-	cmp r0, 0
-	beq _08063E46
-	ldr r1, =gBattlePartyID
-	ldr r2, [sp, 0x10]
-	lsls r0, r2, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r0, r7
-	beq _08063E46
-	ldr r4, [sp, 0x14]
-	lsls r0, r4, 1
-	adds r0, r1
-	ldrh r0, [r0]
-	cmp r0, r7
-	beq _08063E46
-	ldr r0, =gBattleStruct
-	ldr r1, [r0]
-	adds r0, r2, r1
-	adds r0, 0x5C
-	ldrb r0, [r0]
-	cmp r7, r0
-	beq _08063E46
-	adds r0, r4, r1
-	adds r0, 0x5C
-	ldrb r0, [r0]
-	cmp r7, r0
-	beq _08063E46
-	movs r5, 0
-	mov r9, r6
-	ldr r0, =gBattleMoveDamage
-	mov r8, r0
-	ldr r6, =gActiveBank
-_08063DEE:
-	adds r1, r5, 0
-	adds r1, 0xD
-	ldr r0, [sp, 0x20]
-	add r0, r9
-	bl GetMonData
-	lsls r0, 16
-	lsrs r4, r0, 16
-	movs r0, 0
-	mov r1, r8
-	str r0, [r1]
-	cmp r4, 0
-	beq _08063E2A
-	ldr r0, =gBattleMoves
-	lsls r1, r4, 1
-	adds r1, r4
-	lsls r1, 2
-	adds r1, r0
-	ldrb r0, [r1, 0x1]
-	cmp r0, 0x1
-	beq _08063E2A
-	ldrb r0, [r6]
-	ldr r1, [sp, 0x4]
-	bl AI_CalcDmg
-	ldrb r1, [r6]
-	adds r0, r4, 0
-	ldr r2, [sp, 0x4]
-	bl TypeCalc
-_08063E2A:
-	mov r2, r8
-	ldr r0, [r2]
-	ldr r4, [sp, 0x8]
-	cmp r4, r0
-	bge _08063E40
-	lsls r0, 24
-	lsrs r0, 24
-	str r0, [sp, 0x8]
-	lsls r0, r7, 24
-	lsrs r0, 24
-	str r0, [sp, 0xC]
-_08063E40:
-	adds r5, 0x1
-	cmp r5, 0x3
-	ble _08063DEE
-_08063E46:
-	mov r7, r10
-	ldr r0, [sp, 0x1C]
-	cmp r7, r0
-	blt _08063D8A
-_08063E4E:
-	ldr r0, [sp, 0xC]
-_08063E50:
-	add sp, 0x24
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_8063A90
-
-	thumb_func_start ai_identify_item_effect
-ai_identify_item_effect: @ 8063E84
-	push {r4,lr}
-	adds r2, r1, 0
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x13
-	bne _08063E94
-	movs r0, 0x1
-	b _08063EDA
-_08063E94:
-	ldrb r1, [r2, 0x4]
-	movs r0, 0x4
-	ands r0, r1
-	cmp r0, 0
-	beq _08063EA2
-	movs r0, 0x2
-	b _08063EDA
-_08063EA2:
-	ldrb r4, [r2, 0x3]
-	movs r3, 0x3F
-	adds r0, r3, 0
-	ands r0, r4
-	cmp r0, 0
-	beq _08063EB2
-	movs r0, 0x3
-	b _08063EDA
-_08063EB2:
-	ldrb r1, [r2]
-	adds r0, r3, 0
-	ands r0, r1
-	cmp r0, 0
-	bne _08063EC8
-	ldrb r0, [r2, 0x1]
-	cmp r0, 0
-	bne _08063EC8
-	ldrb r0, [r2, 0x2]
-	cmp r0, 0
-	beq _08063ECC
-_08063EC8:
-	movs r0, 0x4
-	b _08063EDA
-_08063ECC:
-	movs r0, 0x80
-	ands r0, r4
-	cmp r0, 0
-	bne _08063ED8
-	movs r0, 0x6
-	b _08063EDA
-_08063ED8:
-	movs r0, 0x5
-_08063EDA:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end ai_identify_item_effect
-
-	thumb_func_start sub_8063EE0
-sub_8063EE0: @ 8063EE0
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x4
-	movs r0, 0
-	mov r10, r0
-	movs r7, 0
-	ldr r0, =gBattleTypeFlags
-	ldr r0, [r0]
-	movs r1, 0x80
-	lsls r1, 15
-	ands r0, r1
-	cmp r0, 0
-	beq _08063F12
-	ldr r0, =gActiveBank
-	ldrb r0, [r0]
-	bl GetBankIdentity
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x2
-	bne _08063F12
-	b _0806437C
-_08063F12:
-	ldr r0, =gActiveBank
-	ldrb r0, [r0]
-	bl GetBankSide
-	lsls r0, 24
-	ldr r5, =gEnemyParty
-	cmp r0, 0
-	bne _08063F24
-	ldr r5, =gPlayerParty
-_08063F24:
-	movs r1, 0
-	mov r8, r1
-_08063F28:
-	movs r0, 0x64
-	mov r2, r8
-	muls r2, r0
-	adds r0, r2, 0
-	adds r4, r5, r0
-	adds r0, r4, 0
-	movs r1, 0x39
-	bl GetMonData
-	cmp r0, 0
-	beq _08063F64
-	adds r0, r4, 0
-	movs r1, 0x41
-	bl GetMonData
-	cmp r0, 0
-	beq _08063F64
-	adds r0, r4, 0
-	movs r1, 0x41
-	bl GetMonData
-	movs r1, 0xCE
-	lsls r1, 1
-	cmp r0, r1
-	beq _08063F64
-	mov r0, r10
-	adds r0, 0x1
-	lsls r0, 24
-	lsrs r0, 24
-	mov r10, r0
-_08063F64:
-	movs r0, 0x1
-	add r8, r0
-	mov r1, r8
-	cmp r1, 0x5
-	ble _08063F28
-	movs r2, 0
-	mov r8, r2
-_08063F72:
-	ldr r1, =gBattleResources
-	mov r0, r8
-	cmp r0, 0
-	beq _08063F8E
-	ldr r0, [r1]
-	ldr r0, [r0, 0x18]
-	adds r0, 0x50
-	ldrb r0, [r0]
-	mov r2, r8
-	subs r0, r2
-	adds r0, 0x1
-	cmp r10, r0
-	ble _08063F8E
-	b _08064370
-_08063F8E:
-	ldr r0, [r1]
-	ldr r0, [r0, 0x18]
-	mov r2, r8
-	lsls r1, r2, 1
-	adds r0, 0x48
-	adds r0, r1
-	ldrh r0, [r0]
-	mov r9, r0
-	str r1, [sp]
-	cmp r0, 0
-	bne _08063FA6
-	b _08064370
-_08063FA6:
-	ldr r1, =gItemEffectTable
-	subs r0, 0xD
-	lsls r0, 2
-	adds r0, r1
-	ldr r1, [r0]
-	cmp r1, 0
-	bne _08063FB6
-	b _08064370
-_08063FB6:
-	mov r0, r9
-	cmp r0, 0xAF
-	bne _08063FE8
-	ldr r0, =gSaveBlock1Ptr
-	ldr r0, [r0]
-	ldr r1, =0x00003214
-	adds r5, r0, r1
-	b _08063FEA
-	.pool
-_08063FE8:
-	adds r5, r1, 0
-_08063FEA:
-	mov r2, r9
-	lsls r0, r2, 24
-	lsrs r0, 24
-	adds r1, r5, 0
-	bl ai_identify_item_effect
-	ldr r4, =gActiveBank
-	ldrb r1, [r4]
-	lsrs r1, 1
-	ldr r3, =gBattleStruct
-	ldr r2, [r3]
-	adds r1, r2
-	adds r1, 0xC4
-	strb r0, [r1]
-	ldrb r0, [r4]
-	lsrs r0, 1
-	ldr r1, [r3]
-	adds r0, r1
-	adds r0, 0xC4
-	ldrb r0, [r0]
-	subs r0, 0x1
-	cmp r0, 0x5
-	bls _0806401A
-	b _08064324
-_0806401A:
-	lsls r0, 2
-	ldr r1, =_08064030
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_08064030:
-	.4byte _08064048
-	.4byte _08064074
-	.4byte _080640BC
-	.4byte _08064214
-	.4byte _080642F4
-	.4byte _0806437C
-_08064048:
-	ldr r2, =gBattleMons
-	ldr r0, =gActiveBank
-	ldrb r1, [r0]
-	movs r0, 0x58
-	muls r0, r1
-	adds r0, r2
-	ldrh r1, [r0, 0x2C]
-	ldrh r0, [r0, 0x28]
-	lsrs r1, 2
-	cmp r0, r1
-	bcc _08064060
-	b _08064324
-_08064060:
-	cmp r0, 0
-	bne _08064066
-	b _08064324
-_08064066:
-	movs r7, 0x1
-	b _08064328
-	.pool
-_08064074:
-	mov r0, r9
-	movs r1, 0x4
-	movs r2, 0x4
-	bl GetItemEffectParamOffset
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, 0
-	bne _08064088
-	b _08064324
-_08064088:
-	ldr r2, =gBattleMons
-	ldr r0, =gActiveBank
-	ldrb r1, [r0]
-	movs r0, 0x58
-	muls r0, r1
-	adds r1, r0, r2
-	ldrh r2, [r1, 0x28]
-	cmp r2, 0
-	bne _0806409C
-	b _08064324
-_0806409C:
-	ldrh r3, [r1, 0x2C]
-	lsrs r0, r3, 2
-	cmp r2, r0
-	bcc _08064066
-	adds r0, r2, 0
-	subs r0, r3, r0
-	adds r1, r5, r4
-	ldrb r1, [r1]
-	cmp r0, r1
-	bgt _080640B2
-	b _08064324
-_080640B2:
-	b _08064066
-	.pool
-_080640BC:
-	ldr r3, =gActiveBank
-	ldrb r0, [r3]
-	lsrs r0, 1
-	ldr r2, =gBattleStruct
-	ldr r1, [r2]
-	adds r0, r1
-	adds r0, 0xC6
-	movs r1, 0
-	strb r1, [r0]
-	ldrb r1, [r5, 0x3]
-	movs r6, 0x20
-	movs r0, 0x20
-	ands r0, r1
-	cmp r0, 0
-	beq _08064100
-	ldr r1, =gBattleMons
-	ldrb r4, [r3]
-	movs r0, 0x58
-	muls r0, r4
-	adds r1, 0x4C
-	adds r0, r1
-	ldr r0, [r0]
-	movs r1, 0x7
-	ands r0, r1
-	cmp r0, 0
-	beq _08064100
-	lsrs r1, r4, 1
-	ldr r0, [r2]
-	adds r1, r0
-	adds r1, 0xC6
-	ldrb r0, [r1]
-	orrs r0, r6
-	strb r0, [r1]
-	movs r7, 0x1
-_08064100:
-	ldrb r1, [r5, 0x3]
-	movs r6, 0x10
-	movs r0, 0x10
-	ands r0, r1
-	cmp r0, 0
-	beq _0806413A
-	ldr r1, =gBattleMons
-	ldrb r4, [r3]
-	movs r0, 0x58
-	muls r0, r4
-	adds r1, 0x4C
-	adds r0, r1
-	ldr r1, [r0]
-	movs r0, 0x8
-	ands r0, r1
-	cmp r0, 0
-	bne _0806412A
-	movs r0, 0x80
-	ands r1, r0
-	cmp r1, 0
-	beq _0806413A
-_0806412A:
-	lsrs r1, r4, 1
-	ldr r0, [r2]
-	adds r1, r0
-	adds r1, 0xC6
-	ldrb r0, [r1]
-	orrs r0, r6
-	strb r0, [r1]
-	movs r7, 0x1
-_0806413A:
-	ldrb r1, [r5, 0x3]
-	movs r6, 0x8
-	movs r0, 0x8
-	ands r0, r1
-	cmp r0, 0
-	beq _0806416C
-	ldr r1, =gBattleMons
-	ldrb r4, [r3]
-	movs r0, 0x58
-	muls r0, r4
-	adds r1, 0x4C
-	adds r0, r1
-	ldr r0, [r0]
-	movs r1, 0x10
-	ands r0, r1
-	cmp r0, 0
-	beq _0806416C
-	lsrs r1, r4, 1
-	ldr r0, [r2]
-	adds r1, r0
-	adds r1, 0xC6
-	ldrb r0, [r1]
-	orrs r0, r6
-	strb r0, [r1]
-	movs r7, 0x1
-_0806416C:
-	ldrb r1, [r5, 0x3]
-	movs r6, 0x4
-	movs r0, 0x4
-	ands r0, r1
-	cmp r0, 0
-	beq _0806419E
-	ldr r1, =gBattleMons
-	ldrb r4, [r3]
-	movs r0, 0x58
-	muls r0, r4
-	adds r1, 0x4C
-	adds r0, r1
-	ldr r0, [r0]
-	movs r1, 0x20
-	ands r0, r1
-	cmp r0, 0
-	beq _0806419E
-	lsrs r1, r4, 1
-	ldr r0, [r2]
-	adds r1, r0
-	adds r1, 0xC6
-	ldrb r0, [r1]
-	orrs r0, r6
-	strb r0, [r1]
-	movs r7, 0x1
-_0806419E:
-	ldrb r1, [r5, 0x3]
-	movs r6, 0x2
-	movs r0, 0x2
-	ands r0, r1
-	cmp r0, 0
-	beq _080641D0
-	ldr r1, =gBattleMons
-	ldrb r4, [r3]
-	movs r0, 0x58
-	muls r0, r4
-	adds r1, 0x4C
-	adds r0, r1
-	ldr r0, [r0]
-	movs r1, 0x40
-	ands r0, r1
-	cmp r0, 0
-	beq _080641D0
-	lsrs r1, r4, 1
-	ldr r0, [r2]
-	adds r1, r0
-	adds r1, 0xC6
-	ldrb r0, [r1]
-	orrs r0, r6
-	strb r0, [r1]
-	movs r7, 0x1
-_080641D0:
-	ldrb r1, [r5, 0x3]
-	movs r4, 0x1
-	movs r0, 0x1
-	ands r0, r1
-	cmp r0, 0
-	bne _080641DE
-	b _08064324
-_080641DE:
-	ldr r1, =gBattleMons
-	ldrb r3, [r3]
-	movs r0, 0x58
-	muls r0, r3
-	adds r1, 0x50
-	adds r0, r1
-	ldr r0, [r0]
-	movs r1, 0x7
-	ands r0, r1
-	cmp r0, 0
-	bne _080641F6
-	b _08064324
-_080641F6:
-	lsrs r1, r3, 1
-	ldr r0, [r2]
-	adds r1, r0
-	adds r1, 0xC6
-	ldrb r0, [r1]
-	orrs r0, r4
-	strb r0, [r1]
-	b _08064066
-	.pool
-_08064214:
-	ldr r4, =gActiveBank
-	ldrb r0, [r4]
-	lsrs r0, 1
-	ldr r3, =gBattleStruct
-	ldr r1, [r3]
-	adds r0, r1
-	adds r0, 0xC6
-	movs r1, 0
-	strb r1, [r0]
-	ldr r1, =gDisableStructs
-	ldrb r2, [r4]
-	lsls r0, r2, 3
-	subs r0, r2
-	lsls r0, 2
-	adds r0, r1
-	ldrb r0, [r0, 0x16]
-	cmp r0, 0
-	beq _08064324
-	ldrb r1, [r5]
-	movs r6, 0xF
-	adds r0, r6, 0
-	ands r0, r1
-	cmp r0, 0
-	beq _08064254
-	lsrs r2, 1
-	ldr r0, [r3]
-	adds r2, r0
-	adds r2, 0xC6
-	ldrb r0, [r2]
-	movs r1, 0x1
-	orrs r0, r1
-	strb r0, [r2]
-_08064254:
-	ldrb r1, [r5, 0x1]
-	movs r7, 0xF0
-	adds r0, r7, 0
-	ands r0, r1
-	cmp r0, 0
-	beq _08064272
-	ldrb r0, [r4]
-	lsrs r0, 1
-	ldr r1, [r3]
-	adds r0, r1
-	adds r0, 0xC6
-	ldrb r1, [r0]
-	movs r2, 0x2
-	orrs r1, r2
-	strb r1, [r0]
-_08064272:
-	ldrb r1, [r5, 0x1]
-	adds r0, r6, 0
-	ands r0, r1
-	cmp r0, 0
-	beq _0806428E
-	ldrb r0, [r4]
-	lsrs r0, 1
-	ldr r1, [r3]
-	adds r0, r1
-	adds r0, 0xC6
-	ldrb r1, [r0]
-	movs r2, 0x4
-	orrs r1, r2
-	strb r1, [r0]
-_0806428E:
-	ldrb r1, [r5, 0x2]
-	adds r0, r6, 0
-	ands r0, r1
-	cmp r0, 0
-	beq _080642AA
-	ldrb r0, [r4]
-	lsrs r0, 1
-	ldr r1, [r3]
-	adds r0, r1
-	adds r0, 0xC6
-	ldrb r1, [r0]
-	movs r2, 0x8
-	orrs r1, r2
-	strb r1, [r0]
-_080642AA:
-	ldrb r1, [r5, 0x2]
-	adds r0, r7, 0
-	ands r0, r1
-	cmp r0, 0
-	beq _080642C6
-	ldrb r0, [r4]
-	lsrs r0, 1
-	ldr r1, [r3]
-	adds r0, r1
-	adds r0, 0xC6
-	ldrb r1, [r0]
-	movs r2, 0x20
-	orrs r1, r2
-	strb r1, [r0]
-_080642C6:
-	ldrb r1, [r5]
-	movs r0, 0x30
-	ands r0, r1
-	cmp r0, 0
-	bne _080642D2
-	b _08064066
-_080642D2:
-	ldrb r0, [r4]
-	lsrs r0, 1
-	ldr r1, [r3]
-	adds r0, r1
-	adds r0, 0xC6
-	ldrb r1, [r0]
-	movs r2, 0x80
-	orrs r1, r2
-	strb r1, [r0]
-	b _08064066
-	.pool
-_080642F4:
-	ldr r4, =gActiveBank
-	ldrb r0, [r4]
-	bl GetBankSide
-	lsls r0, 24
-	lsrs r3, r0, 24
-	ldr r2, =gDisableStructs
-	ldrb r1, [r4]
-	lsls r0, r1, 3
-	subs r0, r1
-	lsls r0, 2
-	adds r0, r2
-	ldrb r0, [r0, 0x16]
-	cmp r0, 0
-	beq _08064324
-	ldr r0, =gSideTimers
-	lsls r1, r3, 1
-	adds r1, r3
-	lsls r1, 2
-	adds r1, r0
-	ldrb r0, [r1, 0x4]
-	cmp r0, 0
-	bne _08064324
-	b _08064066
-_08064324:
-	cmp r7, 0
-	beq _08064370
-_08064328:
-	movs r0, 0x1
-	movs r1, 0x1
-	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
-	ldr r0, =gActiveBank
-	ldrb r0, [r0]
-	lsrs r0, 1
-	ldr r1, =gBattleStruct
-	ldr r1, [r1]
-	lsls r0, 1
-	adds r0, r1
-	adds r0, 0xC0
-	mov r1, r9
-	strb r1, [r0]
-	ldr r0, =gBattleResources
-	ldr r0, [r0]
-	ldr r0, [r0, 0x18]
-	adds r0, 0x48
-	ldr r2, [sp]
-	adds r0, r2
-	movs r1, 0
-	strh r1, [r0]
-	adds r0, r7, 0
-	b _0806437E
-	.pool
-_08064370:
-	movs r0, 0x1
-	add r8, r0
-	mov r1, r8
-	cmp r1, 0x3
-	bgt _0806437C
-	b _08063F72
-_0806437C:
-	movs r0, 0
-_0806437E:
-	add sp, 0x4
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8063EE0
-
-	.align 2, 0 @ Don't pad with nop.
diff --git a/asm/battle_controller_opponent.s b/asm/battle_controller_opponent.s
index 8dc9c6a46..424e4159d 100644
--- a/asm/battle_controller_opponent.s
+++ b/asm/battle_controller_opponent.s
@@ -5212,7 +5212,7 @@ sub_8061F90: @ 8061F90
 	thumb_func_start sub_8061F9C
 sub_8061F9C: @ 8061F9C
 	push {lr}
-	bl sub_8063880
+	bl AI_TrySwitchOrUseItem
 	bl OpponentBufferExecCompleted
 	pop {r0}
 	bx r0
@@ -5243,7 +5243,7 @@ sub_8061FB8: @ 8061FB8
 	movs r0, 0x1
 	movs r1, 0xA
 _08061FD6:
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 _08061FDA:
 	bl OpponentBufferExecCompleted
 	b _08062156
@@ -5347,7 +5347,7 @@ _0806209C:
 	movs r0, 0x1
 	movs r1, 0xA
 	adds r2, r4, 0
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	b _08061FDA
 	.pool
 _080620C4:
@@ -5378,7 +5378,7 @@ _080620C6:
 	movs r0, 0x1
 	movs r1, 0xA
 	adds r2, r4, 0
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	b _08062152
 	.pool
 _08062108:
@@ -5401,7 +5401,7 @@ _08062108:
 	orrs r2, r4
 	movs r0, 0x1
 	movs r1, 0xA
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	b _08062152
 	.pool
 _0806213C:
@@ -5413,7 +5413,7 @@ _0806213C:
 	orrs r2, r4
 	movs r0, 0x1
 	movs r1, 0xA
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 _08062152:
 	bl OpponentBufferExecCompleted
 _08062156:
@@ -5456,7 +5456,7 @@ sub_8062188: @ 8062188
 	ldrb r0, [r1]
 	cmp r0, 0x6
 	bne _08062254
-	bl sub_8063A90
+	bl GetMostSuitableMonToSwitchInto
 	lsls r0, 24
 	lsrs r4, r0, 24
 	cmp r4, 0x6
diff --git a/asm/battle_controller_player.s b/asm/battle_controller_player.s
index 7c3895a7b..047c62f6b 100644
--- a/asm/battle_controller_player.s
+++ b/asm/battle_controller_player.s
@@ -226,7 +226,7 @@ _0805764C:
 	movs r0, 0x1
 	movs r1, 0x3
 	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	b _080577C2
 _08057658:
 	movs r0, 0x20
@@ -393,7 +393,7 @@ _080577B2:
 	movs r1, 0xC
 _080577BC:
 	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 _080577C2:
 	bl PlayerBufferExecCompleted
 	b _080577E8
@@ -518,7 +518,7 @@ _080578A0:
 	orrs r2, r0
 	movs r0, 0x1
 	movs r1, 0xA
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	ldrb r0, [r4]
 	movs r1, 0x1
 	bl dp11b_obj_free
@@ -1086,7 +1086,7 @@ _08057E14:
 _08057E1C:
 	movs r0, 0x1
 	movs r1, 0xA
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	bl PlayerBufferExecCompleted
 	b _08057F9E
 	.pool
@@ -3413,7 +3413,7 @@ _080591FE:
 	lsrs r2, 16
 	movs r0, 0x1
 	movs r1, 0xB
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	strb r5, [r4]
 	bl IsDoubleBattle
 	lsls r0, 24
@@ -3686,7 +3686,7 @@ _08059430:
 	lsrs r2, 16
 	movs r0, 0x1
 	movs r1, 0xB
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	strb r5, [r4]
 	ldr r0, =sub_8059544
 	str r0, [r6]
@@ -4291,14 +4291,14 @@ _08059A2C:
 	movs r0, 0x1
 	movs r1, 0xE
 	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	b _08059A76
 	.pool
 _08059A6C:
 	movs r0, 0x1
 	movs r1, 0xD
 	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 _08059A76:
 	bl PlayerBufferExecCompleted
 _08059A7A:
@@ -8658,7 +8658,7 @@ sub_805C158: @ 805C158
 	lsrs r2, 16
 	movs r0, 0x1
 	movs r1, 0xA
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	bl PlayerBufferExecCompleted
 _0805C194:
 	pop {r0}
@@ -9378,7 +9378,7 @@ sub_805C80C: @ 805C80C
 	movs r0, 0x1
 	movs r1, 0
 	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	bl PlayerBufferExecCompleted
 	pop {r0}
 	bx r0
diff --git a/asm/battle_controller_player_partner.s b/asm/battle_controller_player_partner.s
index fc07ccf92..35ee3a733 100644
--- a/asm/battle_controller_player_partner.s
+++ b/asm/battle_controller_player_partner.s
@@ -645,7 +645,7 @@ _081BB2E2:
 	lsrs r2, 16
 	movs r0, 0x1
 	movs r1, 0xB
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	strb r5, [r4]
 	bl IsDoubleBattle
 	lsls r0, 24
@@ -918,7 +918,7 @@ _081BB514:
 	lsrs r2, 16
 	movs r0, 0x1
 	movs r1, 0xB
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	strb r5, [r4]
 	ldr r0, =sub_81BB628
 	str r0, [r6]
@@ -4990,7 +4990,7 @@ sub_81BDAA0: @ 81BDAA0
 	thumb_func_start sub_81BDAAC
 sub_81BDAAC: @ 81BDAAC
 	push {lr}
-	bl sub_8063880
+	bl AI_TrySwitchOrUseItem
 	bl PlayerPartnerBufferExecCompleted
 	pop {r0}
 	bx r0
@@ -5068,7 +5068,7 @@ _081BDB3C:
 	orrs r2, r5
 	movs r0, 0x1
 	movs r1, 0xA
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	bl PlayerPartnerBufferExecCompleted
 	pop {r4-r6}
 	pop {r0}
@@ -5087,7 +5087,7 @@ sub_81BDB70: @ 81BDB70
 	thumb_func_start sub_81BDB7C
 sub_81BDB7C: @ 81BDB7C
 	push {r4-r6,lr}
-	bl sub_8063A90
+	bl GetMostSuitableMonToSwitchInto
 	lsls r0, 24
 	lsrs r4, r0, 24
 	cmp r4, 0x6
diff --git a/asm/battle_controller_recorded_opponent.s b/asm/battle_controller_recorded_opponent.s
index 95375d137..562b55d4d 100644
--- a/asm/battle_controller_recorded_opponent.s
+++ b/asm/battle_controller_recorded_opponent.s
@@ -4754,7 +4754,7 @@ sub_8188EF0: @ 8188EF0
 	lsrs r1, 24
 	movs r0, 0x1
 	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	bl RecordedOpponentBufferExecCompleted
 	pop {r0}
 	bx r0
@@ -4785,7 +4785,7 @@ sub_8188F20: @ 8188F20
 	lsrs r2, 16
 	movs r0, 0x1
 	movs r1, 0xA
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	b _08188F6C
 	.pool
 _08188F48:
@@ -4803,7 +4803,7 @@ _08188F48:
 	orrs r2, r4
 	movs r0, 0x1
 	movs r1, 0xA
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 _08188F6C:
 	bl RecordedOpponentBufferExecCompleted
 	pop {r4,r5}
diff --git a/asm/battle_controller_recorded_player.s b/asm/battle_controller_recorded_player.s
index d4950391a..f7dfc0fed 100644
--- a/asm/battle_controller_recorded_player.s
+++ b/asm/battle_controller_recorded_player.s
@@ -4861,7 +4861,7 @@ sub_818C49C: @ 818C49C
 	lsrs r1, 24
 	movs r0, 0x1
 	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	bl RecordedPlayerBufferExecCompleted
 _0818C4C6:
 	pop {r0}
@@ -4897,7 +4897,7 @@ _0818C508:
 	lsrs r1, 24
 	movs r0, 0x1
 	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	bl RecordedPlayerBufferExecCompleted
 _0818C522:
 	pop {r0}
@@ -4929,7 +4929,7 @@ sub_818C538: @ 818C538
 	lsrs r2, 16
 	movs r0, 0x1
 	movs r1, 0xA
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	b _0818C584
 	.pool
 _0818C560:
@@ -4947,7 +4947,7 @@ _0818C560:
 	orrs r2, r4
 	movs r0, 0x1
 	movs r1, 0xA
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 _0818C584:
 	bl RecordedPlayerBufferExecCompleted
 	pop {r4,r5}
diff --git a/asm/battle_controller_safari.s b/asm/battle_controller_safari.s
index 0783d2c6d..a45ae6cee 100644
--- a/asm/battle_controller_safari.s
+++ b/asm/battle_controller_safari.s
@@ -103,13 +103,13 @@ _0815942A:
 	movs r1, 0x7
 _0815942E:
 	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	b _08159440
 _08159436:
 	movs r0, 0x1
 	movs r1, 0x8
 	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 _08159440:
 	bl SafariBufferExecCompleted
 	b _0815954E
diff --git a/asm/battle_controller_wally.s b/asm/battle_controller_wally.s
index 548414222..de17547a1 100644
--- a/asm/battle_controller_wally.s
+++ b/asm/battle_controller_wally.s
@@ -153,7 +153,7 @@ _081684CE:
 	movs r1, 0x9
 _081684E4:
 	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	bl WallyBufferExecCompleted
 	ldr r1, [r4]
 	adds r1, 0x94
@@ -208,7 +208,7 @@ _08168540:
 	movs r0, 0x1
 	movs r1, 0x1
 	movs r2, 0
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	bl WallyBufferExecCompleted
 _08168564:
 	pop {r4,r5}
@@ -3777,7 +3777,7 @@ _0816A550:
 	lsls r2, 1
 	movs r0, 0x1
 	movs r1, 0xA
-	bl dp01_build_cmdbuf_x21_a_bb
+	bl EmitCmd_x21
 	bl WallyBufferExecCompleted
 _0816A574:
 	pop {r4}
diff --git a/asm/rom3.s b/asm/rom3.s
index bde493568..649097eb6 100644
--- a/asm/rom3.s
+++ b/asm/rom3.s
@@ -3259,8 +3259,8 @@ _0803413E:
 	.pool
 	thumb_func_end sub_8034110
 
-	thumb_func_start dp01_build_cmdbuf_x21_a_bb
-dp01_build_cmdbuf_x21_a_bb: @ 8034158
+	thumb_func_start EmitCmd_x21
+EmitCmd_x21: @ 8034158
 	push {r4,lr}
 	adds r4, r1, 0
 	lsls r0, 24
@@ -3280,7 +3280,7 @@ dp01_build_cmdbuf_x21_a_bb: @ 8034158
 	pop {r0}
 	bx r0
 	.pool
-	thumb_func_end dp01_build_cmdbuf_x21_a_bb
+	thumb_func_end EmitCmd_x21
 
 	thumb_func_start dp01_build_cmdbuf_x22_a_three_bytes
 dp01_build_cmdbuf_x22_a_three_bytes: @ 8034184
diff --git a/include/battle.h b/include/battle.h
index c9d202fd0..6e41b25c1 100644
--- a/include/battle.h
+++ b/include/battle.h
@@ -5,6 +5,7 @@
 #include "battle_util.h"
 #include "battle_script_commands.h"
 #include "battle_2.h"
+#include "battle_ai_switch_items.h"
 
 /*
     Banks are a name given to what could be called a 'battlerId' or 'monControllerId'.
@@ -476,7 +477,7 @@ struct BattleHistory
     struct UsedMoves usedMoves[BATTLE_BANKS_COUNT];
     u8 abilities[BATTLE_BANKS_COUNT];
     u8 itemEffects[BATTLE_BANKS_COUNT];
-    u16 TrainerItems[BATTLE_BANKS_COUNT];
+    u16 trainerItems[BATTLE_BANKS_COUNT];
     u8 itemsNo;
 };
 
@@ -632,8 +633,8 @@ struct BattleStruct
     void (*savedCallback)(void);
     u16 usedHeldItems[BATTLE_BANKS_COUNT];
     u8 field_C0[4];
-    u8 field_C4[2];
-    u8 field_C6[2];
+    u8 AI_itemType[2];
+    u8 AI_itemFlags[2];
     u16 choicedMove[BATTLE_BANKS_COUNT];
     u16 changedItems[BATTLE_BANKS_COUNT];
     u8 intimidateBank;
diff --git a/include/battle_ai_switch_items.h b/include/battle_ai_switch_items.h
new file mode 100644
index 000000000..0a230e7f6
--- /dev/null
+++ b/include/battle_ai_switch_items.h
@@ -0,0 +1,17 @@
+#ifndef GUARD_BATTLE_AI_SWITCH_ITEMS_H
+#define GUARD_BATTLE_AI_SWITCH_ITEMS_H
+
+enum
+{
+    AI_ITEM_FULL_RESTORE = 1,
+    AI_ITEM_HEAL_HP,
+    AI_ITEM_CURE_CONDITION,
+    AI_ITEM_X_STAT,
+    AI_ITEM_GUARD_SPECS,
+    AI_ITEM_NOT_RECOGNIZABLE
+};
+
+void AI_TrySwitchOrUseItem(void);
+u8 GetMostSuitableMonToSwitchInto(void);
+
+#endif // GUARD_BATTLE_AI_SWITCH_ITEMS_H
diff --git a/include/battle_controllers.h b/include/battle_controllers.h
index 75cdf457b..e710deea5 100644
--- a/include/battle_controllers.h
+++ b/include/battle_controllers.h
@@ -86,5 +86,6 @@ void Emit_x32(u8 bufferId);
 void EmitPrintString(u8 bufferId, u16 stringId);
 void EmitResetActionMoveSelection(u8 bufferId, u8 caseId);
 void EmitBallThrow(u8 bufferId, u8 caseId);
+void EmitCmd_x21(u8 bufferId, u8 arg1, u16 arg2);
 
 #endif // GUARD_BATTLE_CONTROLLERS_H
diff --git a/include/battle_script_commands.h b/include/battle_script_commands.h
index ae0d20f28..590944f02 100644
--- a/include/battle_script_commands.h
+++ b/include/battle_script_commands.h
@@ -43,7 +43,7 @@
 
 void AI_CalcDmg(u8 bankAtk, u8 bankDef);
 u8 TypeCalc(u16 move, u8 bankAtk, u8 bankDef);
-u8 AI_TypeCalc(u16 move, u16 species, u8 ability);
+u8 AI_TypeCalc(u16 move, u16 targetSpecies, u8 targetAbility);
 u8 BankGetTurnOrder(u8 bank);
 void SetMoveEffect(bool8 primary, u8 certain);
 void BattleDestroyCursorAt(u8 cursorPosition);
diff --git a/include/diploma.h b/include/diploma.h
new file mode 100644
index 000000000..8d730fa05
--- /dev/null
+++ b/include/diploma.h
@@ -0,0 +1,6 @@
+#ifndef GUARD_DIPLOMA_H
+#define GUARD_DIPLOMA_H
+
+void CB2_ShowDiploma(void);
+
+#endif // GUARD_DIPLOMA_H
diff --git a/include/pokemon.h b/include/pokemon.h
index 263a37426..c26c28afa 100644
--- a/include/pokemon.h
+++ b/include/pokemon.h
@@ -642,6 +642,7 @@ void UpdatePartyPokerusTime(u16 days);
 void PartySpreadPokerus(struct Pokemon *party);
 s8 GetMonFlavourRelation(struct Pokemon *mon, u8 a2);
 s8 GetFlavourRelationByPersonality(u32 personality, u8 a2);
+u8 GetItemEffectParamOffset(u16 itemId, u8 effectByte, u8 effectBit);
 
 #include "sprite.h"
 
diff --git a/include/pokemon_item_effects.h b/include/pokemon_item_effects.h
index 88f341317..505cc0f25 100644
--- a/include/pokemon_item_effects.h
+++ b/include/pokemon_item_effects.h
@@ -3,6 +3,60 @@
 
 #include "pokemon.h"
 
+// TODO once pokemon item effects is decompiled
+/*
+struct PokemonItemEffect
+{
+    //field 0
+    u8 xAtk : 4; // x1, x2, x4, x8 = xF
+    u8 field_0_x10 : 1; // x10
+    u8 critRatioUp : 1; // x20
+    u8 field_0_x40 : 1; // x40
+    u8 cureInfatuation : 1; // x80
+
+    /*field 1
+    u8 xSpeed : 4; // x1, x2, x4, x8 = xF
+    u8 xDefense : 4; // x10, x20, x40, xF0
+
+    /*field 2
+    u8 xSpAtk : 4; // x1, x2, x4, x8 = xF
+    u8 xAccuracy : 4; // x10, x20, x40, xF0
+
+    /*field 3
+    u8 cureConfusion : 1; // x1
+    u8 cureParalysis : 1; // x2
+    u8 cureFreeze : 1; // x4
+    u8 cureBurn : 1; // x8
+    u8 curePoison : 1; // x10
+    u8 cureSleep : 1; // x20
+    u8 field_3_x40 : 1; // x40
+    u8 cantLowerStats : 1; // x80
+
+    /*field 4
+    u8 hpEv : 1; // x1
+    u8 attackEv : 1; // x2
+    u8 healHp : 1; // x4
+    u8 field_4_x8 : 1; // x8
+    u8 field_4_x10 : 1; // x10
+    u8 ppUp : 1; // x20
+    u8 levelUp : 1; // x40
+    u8 evolutionStone : 1; // x80
+
+    /*field 5
+    u8 defEv:  1; // x1
+    u8 speedEv : 1; // x2
+    u8 spDefEv : 1; // x4
+    u8 spAtkEv : 1; // x8
+    u8 ppMax : 1; // x10
+    u8 field_5_x20 : 1; // x20
+    u8 field_5_x40 : 1; // x40
+    u8 field_5_x80 : 1; // x80
+
+    /*field 6
+    u8 value;
+};
+*/
+
 bool8 ExecuteTableBasedItemEffect(struct Pokemon *mon, u16 itemId, u8 partyId, u8 monMoveIndex, u8 a5);
 
 #endif // GUARD_POKEMON_ITEM_EFFECTS
diff --git a/ld_script.txt b/ld_script.txt
index 73ff9d805..1a8995787 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -64,7 +64,7 @@ SECTIONS {
         asm/battle_controller_player.o(.text);
         asm/battle_7.o(.text);
         asm/battle_controller_opponent.o(.text);
-        asm/battle_9.o(.text);
+        src/battle_ai_switch_items.o(.text);
         asm/battle_controller_linkopponent.o(.text);
         src/pokemon_1.o(.text);
         asm/pokemon_1.o(.text);
diff --git a/src/battle_2.c b/src/battle_2.c
index 9b1e3d56d..4a57b10d7 100644
--- a/src/battle_2.c
+++ b/src/battle_2.c
@@ -5324,30 +5324,30 @@ static void HandleAction_UseItem(void)
     {
         gBattleScripting.bank = gBankAttacker;
 
-        switch (*(gBattleStruct->field_C4 + (gBankAttacker >> 1)))
+        switch (*(gBattleStruct->AI_itemType + (gBankAttacker >> 1)))
         {
-        case 1:
-        case 2:
+        case AI_ITEM_FULL_RESTORE:
+        case AI_ITEM_HEAL_HP:
             break;
-        case 3:
+        case AI_ITEM_CURE_CONDITION:
             gBattleCommunication[MULTISTRING_CHOOSER] = 0;
-            if (*(gBattleStruct->field_C6 + gBankAttacker / 2) & 1)
+            if (*(gBattleStruct->AI_itemFlags + gBankAttacker / 2) & 1)
             {
-                if (*(gBattleStruct->field_C6 + gBankAttacker / 2) & 0x3E)
+                if (*(gBattleStruct->AI_itemFlags + gBankAttacker / 2) & 0x3E)
                     gBattleCommunication[MULTISTRING_CHOOSER] = 5;
             }
             else
             {
-                while (!(*(gBattleStruct->field_C6 + gBankAttacker / 2) & 1))
+                while (!(*(gBattleStruct->AI_itemFlags + gBankAttacker / 2) & 1))
                 {
-                    *(gBattleStruct->field_C6 + gBankAttacker / 2) >>= 1;
+                    *(gBattleStruct->AI_itemFlags + gBankAttacker / 2) >>= 1;
                     gBattleCommunication[MULTISTRING_CHOOSER]++;
                 }
             }
             break;
-        case 4:
+        case AI_ITEM_X_STAT:
             gBattleCommunication[MULTISTRING_CHOOSER] = 4;
-            if (*(gBattleStruct->field_C6 + (gBankAttacker >> 1)) & 0x80)
+            if (*(gBattleStruct->AI_itemFlags + (gBankAttacker >> 1)) & 0x80)
             {
                 gBattleCommunication[MULTISTRING_CHOOSER] = 5;
             }
@@ -5356,9 +5356,9 @@ static void HandleAction_UseItem(void)
                 PREPARE_STAT_BUFFER(gBattleTextBuff1, STAT_ATK)
                 PREPARE_STRING_BUFFER(gBattleTextBuff2, 0xD2)
 
-                while (!((*(gBattleStruct->field_C6 + (gBankAttacker >> 1))) & 1))
+                while (!((*(gBattleStruct->AI_itemFlags + (gBankAttacker >> 1))) & 1))
                 {
-                    *(gBattleStruct->field_C6 + gBankAttacker / 2) >>= 1;
+                    *(gBattleStruct->AI_itemFlags + gBankAttacker / 2) >>= 1;
                     gBattleTextBuff1[2]++;
                 }
 
@@ -5366,7 +5366,7 @@ static void HandleAction_UseItem(void)
                 gBattleScripting.animArg2 = 0;
             }
             break;
-        case 5:
+        case AI_ITEM_GUARD_SPECS:
             if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE)
                 gBattleCommunication[MULTISTRING_CHOOSER] = 2;
             else
@@ -5374,7 +5374,7 @@ static void HandleAction_UseItem(void)
             break;
         }
 
-        gBattlescriptCurrInstr = gUnknown_082DBD3C[*(gBattleStruct->field_C4 + gBankAttacker / 2)];
+        gBattlescriptCurrInstr = gUnknown_082DBD3C[*(gBattleStruct->AI_itemType + gBankAttacker / 2)];
     }
     gCurrentActionFuncId = ACTION_RUN_BATTLESCRIPT;
 }
diff --git a/src/battle_ai_script_commands.c b/src/battle_ai_script_commands.c
index bba66983b..24377eacc 100644
--- a/src/battle_ai_script_commands.c
+++ b/src/battle_ai_script_commands.c
@@ -331,7 +331,7 @@ void BattleAI_HandleItemUseBeforeAISetup(u8 defaultScoreMoves)
         {
             if (gTrainers[gTrainerBattleOpponent_A].items[i] != 0)
             {
-                gBattleResources->battleHistory->TrainerItems[gBattleResources->battleHistory->itemsNo] = gTrainers[gTrainerBattleOpponent_A].items[i];
+                gBattleResources->battleHistory->trainerItems[gBattleResources->battleHistory->itemsNo] = gTrainers[gTrainerBattleOpponent_A].items[i];
                 gBattleResources->battleHistory->itemsNo++;
             }
         }
diff --git a/src/battle_ai_switch_items.c b/src/battle_ai_switch_items.c
new file mode 100644
index 000000000..661759a98
--- /dev/null
+++ b/src/battle_ai_switch_items.c
@@ -0,0 +1,951 @@
+#include "global.h"
+#include "battle.h"
+#include "battle_controllers.h"
+#include "abilities.h"
+#include "moves.h"
+#include "pokemon.h"
+#include "species.h"
+#include "rng.h"
+#include "util.h"
+#include "items.h"
+#include "pokemon_item_effects.h"
+
+extern u8 gActiveBank;
+extern u8 gAbsentBankFlags;
+extern u32 gBattleTypeFlags;
+extern u32 gStatuses3[BATTLE_BANKS_COUNT];
+extern struct BattlePokemon gBattleMons[BATTLE_BANKS_COUNT];
+extern u16 gBattlePartyID[BATTLE_BANKS_COUNT];
+extern u16 gUnknown_02024250[BATTLE_BANKS_COUNT];
+extern u8 gUnknown_02024270[BATTLE_BANKS_COUNT];
+extern u16 gDynamicBasePower;
+extern u8 gBattleMoveFlags;
+extern u8 gCritMultiplier;
+extern s32 gBattleMoveDamage;
+
+extern const struct BattleMove gBattleMoves[];
+extern const struct BaseStats gBaseStats[];
+extern const u8 gTypeEffectiveness[];
+extern const u8 * const gItemEffectTable[]; // todo: fix once struct is declared
+
+// this file's functions
+static bool8 HasSuperEffectiveMoveAgainstOpponents(bool8 noRng);
+static bool8 FindMonWithFlagsAndSuperEffective(u8 flags, u8 moduloPercent);
+static bool8 ShouldUseItem(void);
+
+static bool8 ShouldSwitchIfPerishSong(void)
+{
+    if (gStatuses3[gActiveBank] & STATUS3_PERISH_SONG
+        && gDisableStructs[gActiveBank].perishSong1 == 0)
+    {
+        *(gBattleStruct->field_294 + gActiveBank) = 6;
+        EmitCmd_x21(1, 2, 0);
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+static bool8 ShouldSwitchIfWonderGuard(void)
+{
+    u8 opposingIdentity;
+    u8 opposingBank;
+    u8 moveFlags;
+    s32 i, j;
+    s32 firstId;
+    s32 lastId; // + 1
+    struct Pokemon *party = NULL;
+    u16 move;
+
+    if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE)
+        return FALSE;
+
+    opposingIdentity = GetBankIdentity(gActiveBank) ^ BIT_SIDE;
+
+    if (gBattleMons[GetBankByIdentity(opposingIdentity)].ability != ABILITY_WONDER_GUARD)
+        return FALSE;
+
+    // check if pokemon has a super effective move
+    for (opposingBank = GetBankByIdentity(opposingIdentity), i = 0; i < 4; i++)
+    {
+        move = gBattleMons[gActiveBank].moves[i];
+        if (move == MOVE_NONE)
+            continue;
+
+        moveFlags = AI_TypeCalc(move, gBattleMons[opposingBank].species, gBattleMons[opposingBank].ability);
+        if (moveFlags & MOVESTATUS_SUPEREFFECTIVE)
+            return FALSE;
+    }
+
+    // get party information
+    if (gBattleTypeFlags & (BATTLE_TYPE_TWO_OPPONENTS | BATTLE_TYPE_x800000))
+    {
+        if ((gActiveBank & BIT_MON) == 0)
+            firstId = 0, lastId = 3;
+        else
+            firstId = 3, lastId = 6;
+    }
+    else
+    {
+        firstId = 0, lastId = 6;
+    }
+
+    if (GetBankSide(gActiveBank) == SIDE_PLAYER)
+        party = gPlayerParty;
+    else
+        party = gEnemyParty;
+
+    // find a pokemon in the party that has a super effective move
+    for (i = firstId; i < lastId; i++)
+    {
+        if (GetMonData(&party[i], MON_DATA_HP) == 0)
+            continue;
+        if (GetMonData(&party[i], MON_DATA_SPECIES2) == SPECIES_NONE)
+            continue;
+        if (GetMonData(&party[i], MON_DATA_SPECIES2) == SPECIES_EGG)
+            continue;
+        if (i == gBattlePartyID[gActiveBank])
+            continue;
+
+        GetMonData(&party[i], MON_DATA_SPECIES); // unused return value
+        GetMonData(&party[i], MON_DATA_ALT_ABILITY); // unused return value
+
+        for (opposingBank = GetBankByIdentity(opposingIdentity), j = 0; j < 4; j++)
+        {
+            move = GetMonData(&party[i], MON_DATA_MOVE1 + j);
+            if (move == MOVE_NONE)
+                continue;
+
+            moveFlags = AI_TypeCalc(move, gBattleMons[opposingBank].species, gBattleMons[opposingBank].ability);
+            if (moveFlags & MOVESTATUS_SUPEREFFECTIVE && Random() % 3 < 2)
+            {
+                // we found a mon
+                *(gBattleStruct->field_294 + gActiveBank) = i;
+                EmitCmd_x21(1, 2, 0);
+                return TRUE;
+            }
+        }
+    }
+
+    return FALSE; // at this point there is not a single pokemon in the party that has a super effective move against a pokemon with wonder guard
+}
+
+static bool8 FindMonThatAbsorbsOpponentsMove(void)
+{
+    u8 bankIn1, bankIn2;
+    u8 absorbingTypeAbility;
+    s32 firstId;
+    s32 lastId; // + 1
+    struct Pokemon *party;
+    s32 i;
+
+    if (HasSuperEffectiveMoveAgainstOpponents(TRUE) && Random() % 3 != 0)
+        return FALSE;
+    if (gUnknown_02024250[gActiveBank] == 0)
+        return FALSE;
+    if (gUnknown_02024250[gActiveBank] == 0xFFFF)
+        return FALSE;
+    if (gBattleMoves[gUnknown_02024250[gActiveBank]].power == 0)
+        return FALSE;
+
+    if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE)
+    {
+        bankIn1 = gActiveBank;
+        if (gAbsentBankFlags & gBitTable[GetBankByIdentity(GetBankIdentity(gActiveBank) ^ BIT_MON)])
+            bankIn2 = gActiveBank;
+        else
+            bankIn2 = GetBankByIdentity(GetBankIdentity(gActiveBank) ^ BIT_MON);
+    }
+    else
+    {
+        bankIn1 = gActiveBank;
+        bankIn2 = gActiveBank;
+    }
+
+    if (gBattleMoves[gUnknown_02024250[gActiveBank]].type == TYPE_FIRE)
+        absorbingTypeAbility = ABILITY_FLASH_FIRE;
+    else if (gBattleMoves[gUnknown_02024250[gActiveBank]].type == TYPE_WATER)
+        absorbingTypeAbility = ABILITY_WATER_ABSORB;
+    else if (gBattleMoves[gUnknown_02024250[gActiveBank]].type == TYPE_ELECTRIC)
+        absorbingTypeAbility = ABILITY_VOLT_ABSORB;
+    else
+        return FALSE;
+
+    if (gBattleMons[gActiveBank].ability == absorbingTypeAbility)
+        return FALSE;
+
+    if (gBattleTypeFlags & (BATTLE_TYPE_TWO_OPPONENTS | BATTLE_TYPE_x800000))
+    {
+        if ((gActiveBank & BIT_MON) == 0)
+            firstId = 0, lastId = 3;
+        else
+            firstId = 3, lastId = 6;
+    }
+    else
+    {
+        firstId = 0, lastId = 6;
+    }
+
+    if (GetBankSide(gActiveBank) == SIDE_PLAYER)
+        party = gPlayerParty;
+    else
+        party = gEnemyParty;
+
+    for (i = firstId; i < lastId; i++)
+    {
+        u16 species;
+        u8 monAbility;
+
+        if (GetMonData(&party[i], MON_DATA_HP) == 0)
+            continue;
+        if (GetMonData(&party[i], MON_DATA_SPECIES2) == SPECIES_NONE)
+            continue;
+        if (GetMonData(&party[i], MON_DATA_SPECIES2) == SPECIES_EGG)
+            continue;
+        if (i == gBattlePartyID[bankIn1])
+            continue;
+        if (i == gBattlePartyID[bankIn2])
+            continue;
+        if (i == *(gBattleStruct->field_5C + bankIn1))
+            continue;
+        if (i == *(gBattleStruct->field_5C + bankIn2))
+            continue;
+
+        species = GetMonData(&party[i], MON_DATA_SPECIES);
+        if (GetMonData(&party[i], MON_DATA_ALT_ABILITY) != 0)
+            monAbility = gBaseStats[species].ability2;
+        else
+            monAbility = gBaseStats[species].ability1;
+
+        if (absorbingTypeAbility == monAbility && Random() & 1)
+        {
+            // we found a mon
+            *(gBattleStruct->field_294 + gActiveBank) = i;
+            EmitCmd_x21(1, 2, 0);
+            return TRUE;
+        }
+    }
+
+    return FALSE;
+}
+
+static bool8 ShouldSwitchIfNaturalCure(void)
+{
+    if (!(gBattleMons[gActiveBank].status1 & STATUS_SLEEP))
+        return FALSE;
+    if (gBattleMons[gActiveBank].ability != ABILITY_NATURAL_CURE)
+        return FALSE;
+    if (gBattleMons[gActiveBank].hp < gBattleMons[gActiveBank].maxHP / 2)
+        return FALSE;
+
+    if ((gUnknown_02024250[gActiveBank] == 0 || gUnknown_02024250[gActiveBank] == 0xFFFF) && Random() & 1)
+    {
+        *(gBattleStruct->field_294 + gActiveBank) = 6;
+        EmitCmd_x21(1, 2, 0);
+        return TRUE;
+    }
+    else if (gBattleMoves[gUnknown_02024250[gActiveBank]].power == 0 && Random() & 1)
+    {
+        *(gBattleStruct->field_294 + gActiveBank) = 6;
+        EmitCmd_x21(1, 2, 0);
+        return TRUE;
+    }
+
+    if (FindMonWithFlagsAndSuperEffective(MOVESTATUS_NOTAFFECTED, 1))
+        return TRUE;
+    if (FindMonWithFlagsAndSuperEffective(MOVESTATUS_NOTVERYEFFECTIVE, 1))
+        return TRUE;
+    if (Random() & 1)
+    {
+        *(gBattleStruct->field_294 + gActiveBank) = 6;
+        EmitCmd_x21(1, 2, 0);
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+static bool8 HasSuperEffectiveMoveAgainstOpponents(bool8 noRng)
+{
+    u8 opposingIdentity;
+    u8 opposingBank;
+    s32 i;
+    u8 moveFlags;
+    u16 move;
+
+    opposingIdentity = GetBankIdentity(gActiveBank) ^ BIT_SIDE;
+    opposingBank = GetBankByIdentity(opposingIdentity);
+
+    if (!(gAbsentBankFlags & gBitTable[opposingBank]))
+    {
+        for (i = 0; i < 4; i++)
+        {
+            move = gBattleMons[gActiveBank].moves[i];
+            if (move == MOVE_NONE)
+                continue;
+
+            moveFlags = AI_TypeCalc(move, gBattleMons[opposingBank].species, gBattleMons[opposingBank].ability);
+            if (moveFlags & MOVESTATUS_SUPEREFFECTIVE)
+            {
+                if (noRng)
+                    return TRUE;
+                if (Random() % 10 != 0)
+                    return TRUE;
+            }
+        }
+    }
+    if (!(gBattleTypeFlags & BATTLE_TYPE_DOUBLE))
+        return FALSE;
+
+    opposingBank = GetBankByIdentity(opposingIdentity ^ BIT_MON);
+
+    if (!(gAbsentBankFlags & gBitTable[opposingBank]))
+    {
+        for (i = 0; i < 4; i++)
+        {
+            move = gBattleMons[gActiveBank].moves[i];
+            if (move == MOVE_NONE)
+                continue;
+
+            moveFlags = AI_TypeCalc(move, gBattleMons[opposingBank].species, gBattleMons[opposingBank].ability);
+            if (moveFlags & MOVESTATUS_SUPEREFFECTIVE)
+            {
+                if (noRng)
+                    return TRUE;
+                if (Random() % 10 != 0)
+                    return TRUE;
+            }
+        }
+    }
+
+    return FALSE;
+}
+
+static bool8 AreStatsRaised(void)
+{
+    u8 buffedStatsValue = 0;
+    s32 i;
+
+    for (i = 0; i < BATTLE_STATS_NO; i++)
+    {
+        if (gBattleMons[gActiveBank].statStages[i] > 6)
+            buffedStatsValue += gBattleMons[gActiveBank].statStages[i] - 6;
+    }
+
+    return (buffedStatsValue > 3);
+}
+
+static bool8 FindMonWithFlagsAndSuperEffective(u8 flags, u8 moduloPercent)
+{
+    u8 bankIn1, bankIn2;
+    s32 firstId;
+    s32 lastId; // + 1
+    struct Pokemon *party;
+    s32 i, j;
+    u16 move;
+    u8 moveFlags;
+
+    if (gUnknown_02024250[gActiveBank] == 0)
+        return FALSE;
+    if (gUnknown_02024250[gActiveBank] == 0xFFFF)
+        return FALSE;
+    if (gUnknown_02024270[gActiveBank] == 0xFF)
+        return FALSE;
+    if (gBattleMoves[gUnknown_02024250[gActiveBank]].power == 0)
+        return FALSE;
+
+    if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE)
+    {
+        bankIn1 = gActiveBank;
+        if (gAbsentBankFlags & gBitTable[GetBankByIdentity(GetBankIdentity(gActiveBank) ^ BIT_MON)])
+            bankIn2 = gActiveBank;
+        else
+            bankIn2 = GetBankByIdentity(GetBankIdentity(gActiveBank) ^ BIT_MON);
+    }
+    else
+    {
+        bankIn1 = gActiveBank;
+        bankIn2 = gActiveBank;
+    }
+
+    if (gBattleTypeFlags & (BATTLE_TYPE_TWO_OPPONENTS | BATTLE_TYPE_x800000))
+    {
+        if ((gActiveBank & BIT_MON) == 0)
+            firstId = 0, lastId = 3;
+        else
+            firstId = 3, lastId = 6;
+    }
+    else
+    {
+        firstId = 0, lastId = 6;
+    }
+
+    if (GetBankSide(gActiveBank) == SIDE_PLAYER)
+        party = gPlayerParty;
+    else
+        party = gEnemyParty;
+
+    for (i = firstId; i < lastId; i++)
+    {
+        u16 species;
+        u8 monAbility;
+
+        if (GetMonData(&party[i], MON_DATA_HP) == 0)
+            continue;
+        if (GetMonData(&party[i], MON_DATA_SPECIES2) == SPECIES_NONE)
+            continue;
+        if (GetMonData(&party[i], MON_DATA_SPECIES2) == SPECIES_EGG)
+            continue;
+        if (i == gBattlePartyID[bankIn1])
+            continue;
+        if (i == gBattlePartyID[bankIn2])
+            continue;
+        if (i == *(gBattleStruct->field_5C + bankIn1))
+            continue;
+        if (i == *(gBattleStruct->field_5C + bankIn2))
+            continue;
+
+        species = GetMonData(&party[i], MON_DATA_SPECIES);
+        if (GetMonData(&party[i], MON_DATA_ALT_ABILITY) != 0)
+            monAbility = gBaseStats[species].ability2;
+        else
+            monAbility = gBaseStats[species].ability1;
+
+        moveFlags = AI_TypeCalc(gUnknown_02024250[gActiveBank], species, monAbility);
+        if (moveFlags & flags)
+        {
+            bankIn1 = gUnknown_02024270[gActiveBank];
+
+            for (j = 0; j < 4; j++)
+            {
+                move = GetMonData(&party[i], MON_DATA_MOVE1 + j);
+                if (move == 0)
+                    continue;
+
+                moveFlags = AI_TypeCalc(move, gBattleMons[bankIn1].species, gBattleMons[bankIn1].ability);
+                if (moveFlags & MOVESTATUS_SUPEREFFECTIVE && Random() % moduloPercent == 0)
+                {
+                    *(gBattleStruct->field_294 + gActiveBank) = i;
+                    EmitCmd_x21(1, 2, 0);
+                    return TRUE;
+                }
+            }
+        }
+    }
+
+    return FALSE;
+}
+
+static bool8 ShouldSwitch(void)
+{
+    u8 bankIn1, bankIn2;
+    u8 *activeBankPtr; // needed to match
+    s32 firstId;
+    s32 lastId; // + 1
+    struct Pokemon *party;
+    s32 i;
+    s32 availableToSwitch;
+
+    if (gBattleMons[*(activeBankPtr = &gActiveBank)].status2 & (STATUS2_WRAPPED | STATUS2_ESCAPE_PREVENTION))
+        return FALSE;
+    if (gStatuses3[gActiveBank] & STATUS3_ROOTED)
+        return FALSE;
+    if (AbilityBattleEffects(ABILITYEFFECT_CHECK_OTHER_SIDE, gActiveBank, ABILITY_SHADOW_TAG, 0, 0))
+        return FALSE;
+    if (AbilityBattleEffects(ABILITYEFFECT_CHECK_OTHER_SIDE, gActiveBank, ABILITY_ARENA_TRAP, 0, 0))
+        return FALSE; // misses the flying or levitate check
+    if (AbilityBattleEffects(ABILITYEFFECT_FIELD_SPORT, 0, ABILITY_MAGNET_PULL, 0, 0))
+    {
+        if (gBattleMons[gActiveBank].type1 == TYPE_STEEL)
+            return FALSE;
+        if (gBattleMons[gActiveBank].type2 == TYPE_STEEL)
+            return FALSE;
+    }
+    if (gBattleTypeFlags & BATTLE_TYPE_ARENA)
+        return FALSE;
+
+    availableToSwitch = 0;
+    if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE)
+    {
+        bankIn1 = *activeBankPtr;
+        if (gAbsentBankFlags & gBitTable[GetBankByIdentity(GetBankIdentity(*activeBankPtr) ^ BIT_MON)])
+            bankIn2 = *activeBankPtr;
+        else
+            bankIn2 = GetBankByIdentity(GetBankIdentity(*activeBankPtr) ^ BIT_MON);
+    }
+    else
+    {
+        bankIn1 = *activeBankPtr;
+        bankIn2 = *activeBankPtr;
+    }
+
+    if (gBattleTypeFlags & (BATTLE_TYPE_TWO_OPPONENTS | BATTLE_TYPE_x800000))
+    {
+        if ((gActiveBank & BIT_MON) == 0)
+            firstId = 0, lastId = 3;
+        else
+            firstId = 3, lastId = 6;
+    }
+    else
+    {
+        firstId = 0, lastId = 6;
+    }
+
+    if (GetBankSide(gActiveBank) == SIDE_PLAYER)
+        party = gPlayerParty;
+    else
+        party = gEnemyParty;
+
+    for (i = firstId; i < lastId; i++)
+    {
+        if (GetMonData(&party[i], MON_DATA_HP) == 0)
+            continue;
+        if (GetMonData(&party[i], MON_DATA_SPECIES2) == SPECIES_NONE)
+            continue;
+        if (GetMonData(&party[i], MON_DATA_SPECIES2) == SPECIES_EGG)
+            continue;
+        if (i == gBattlePartyID[bankIn1])
+            continue;
+        if (i == gBattlePartyID[bankIn2])
+            continue;
+        if (i == *(gBattleStruct->field_5C + bankIn1))
+            continue;
+        if (i == *(gBattleStruct->field_5C + bankIn2))
+            continue;
+
+        availableToSwitch++;
+    }
+
+    if (availableToSwitch == 0)
+        return FALSE;
+    if (ShouldSwitchIfPerishSong())
+        return TRUE;
+    if (ShouldSwitchIfWonderGuard())
+        return TRUE;
+    if (FindMonThatAbsorbsOpponentsMove())
+        return TRUE;
+    if (ShouldSwitchIfNaturalCure())
+        return TRUE;
+    if (HasSuperEffectiveMoveAgainstOpponents(FALSE))
+        return FALSE;
+    if (AreStatsRaised())
+        return FALSE;
+    if (FindMonWithFlagsAndSuperEffective(MOVESTATUS_NOTAFFECTED, 2)
+        || FindMonWithFlagsAndSuperEffective(MOVESTATUS_NOTVERYEFFECTIVE, 3))
+        return TRUE;
+
+    return FALSE;
+}
+
+void AI_TrySwitchOrUseItem(void)
+{
+    struct Pokemon *party;
+    u8 bankIn1, bankIn2;
+    s32 firstId;
+    s32 lastId; // + 1
+    u8 bankIdentity = GetBankIdentity(gActiveBank);
+
+    if (GetBankSide(gActiveBank) == SIDE_PLAYER)
+        party = gPlayerParty;
+    else
+        party = gEnemyParty;
+
+    if (gBattleTypeFlags & BATTLE_TYPE_TRAINER)
+    {
+        if (ShouldSwitch())
+        {
+            if (*(gBattleStruct->field_294 + gActiveBank) == 6)
+            {
+                s32 monToSwitchId = GetMostSuitableMonToSwitchInto();
+                if (monToSwitchId == 6)
+                {
+                    if (!(gBattleTypeFlags & BATTLE_TYPE_DOUBLE))
+                    {
+                        bankIn1 = GetBankByIdentity(bankIdentity);
+                        bankIn2 = bankIn1;
+                    }
+                    else
+                    {
+                        bankIn1 = GetBankByIdentity(bankIdentity);
+                        bankIn2 = GetBankByIdentity(bankIdentity ^ BIT_MON);
+                    }
+
+                    if (gBattleTypeFlags & (BATTLE_TYPE_TWO_OPPONENTS | BATTLE_TYPE_x800000))
+                    {
+                        if ((gActiveBank & BIT_MON) == 0)
+                            firstId = 0, lastId = 3;
+                        else
+                            firstId = 3, lastId = 6;
+                    }
+                    else
+                    {
+                        firstId = 0, lastId = 6;
+                    }
+
+                    for (monToSwitchId = firstId; monToSwitchId < lastId; monToSwitchId++)
+                    {
+                        if (GetMonData(&party[monToSwitchId], MON_DATA_HP) == 0)
+                            continue;
+                        if (monToSwitchId == gBattlePartyID[bankIn1])
+                            continue;
+                        if (monToSwitchId == gBattlePartyID[bankIn2])
+                            continue;
+                        if (monToSwitchId == *(gBattleStruct->field_5C + bankIn1))
+                            continue;
+                        if (monToSwitchId == *(gBattleStruct->field_5C + bankIn2))
+                            continue;
+
+                        break;
+                    }
+                }
+
+                *(gBattleStruct->field_294 + gActiveBank) = monToSwitchId;
+            }
+
+            *(gBattleStruct->field_5C + gActiveBank) = *(gBattleStruct->field_294 + gActiveBank);
+            return;
+        }
+        else if (ShouldUseItem())
+        {
+            return;
+        }
+    }
+
+    EmitCmd_x21(1, 0, (gActiveBank ^ BIT_SIDE) << 8);
+}
+
+#define TYPE_FORESIGHT  0xFE
+#define TYPE_ENDTABLE   0xFF
+
+static void ModulateByTypeEffectiveness(u8 atkType, u8 defType1, u8 defType2, u8 *var)
+{
+    s32 i = 0;
+
+    while (gTypeEffectiveness[i] != TYPE_ENDTABLE)
+    {
+        if (gTypeEffectiveness[i] == TYPE_FORESIGHT)
+        {
+            i += 3;
+            continue;
+        }
+        else if (gTypeEffectiveness[i] == atkType)
+        {
+            // check type1
+            if (gTypeEffectiveness[i + 1] == defType1)
+                *var = (*var * gTypeEffectiveness[i + 2]) / 10;
+            // check type2
+            if (gTypeEffectiveness[i + 1] == defType2 && defType1 != defType2)
+                *var = (*var * gTypeEffectiveness[i + 2]) / 10;
+        }
+        i += 3;
+    }
+}
+
+u8 GetMostSuitableMonToSwitchInto(void)
+{
+    u8 opposingBank;
+    u8 bestDmg; // note : should be changed to u32 for obvious reasons
+    u8 bestMonId;
+    u8 bankIn1, bankIn2;
+    s32 firstId;
+    s32 lastId; // + 1
+    struct Pokemon *party;
+    s32 i, j;
+    u8 invalidMons;
+    u16 move;
+
+    if (*(gBattleStruct->field_5C + gActiveBank) != 6)
+        return *(gBattleStruct->field_5C + gActiveBank);
+    if (gBattleTypeFlags & BATTLE_TYPE_ARENA)
+        return gBattlePartyID[gActiveBank] + 1;
+
+    if (gBattleTypeFlags & BATTLE_TYPE_DOUBLE)
+    {
+        bankIn1 = gActiveBank;
+        if (gAbsentBankFlags & gBitTable[GetBankByIdentity(GetBankIdentity(gActiveBank) ^ BIT_MON)])
+            bankIn2 = gActiveBank;
+        else
+            bankIn2 = GetBankByIdentity(GetBankIdentity(gActiveBank) ^ BIT_MON);
+
+        // UB: It considers the opponent only player's side even though it can battle alongside player;
+        opposingBank = Random() & BIT_MON;
+        if (gAbsentBankFlags & gBitTable[opposingBank])
+            opposingBank ^= BIT_MON;
+    }
+    else
+    {
+        opposingBank = GetBankByIdentity(GetBankIdentity(gActiveBank) ^ BIT_SIDE);
+        bankIn1 = gActiveBank;
+        bankIn2 = gActiveBank;
+    }
+
+    if (gBattleTypeFlags & (BATTLE_TYPE_TWO_OPPONENTS | BATTLE_TYPE_x800000))
+    {
+        if ((gActiveBank & BIT_MON) == 0)
+            firstId = 0, lastId = 3;
+        else
+            firstId = 3, lastId = 6;
+    }
+    else
+    {
+        firstId = 0, lastId = 6;
+    }
+
+    if (GetBankSide(gActiveBank) == SIDE_PLAYER)
+        party = gPlayerParty;
+    else
+        party = gEnemyParty;
+
+    invalidMons = 0;
+
+    while (invalidMons != 0x3F) // all mons are invalid
+    {
+        bestDmg = 0;
+        bestMonId = 6;
+        // find the mon which type is the most suitable offensively
+        for (i = firstId; i < lastId; i++)
+        {
+            u16 species = GetMonData(&party[i], MON_DATA_SPECIES);
+            if (species != SPECIES_NONE
+                && GetMonData(&party[i], MON_DATA_HP) != 0
+                && !(gBitTable[i] & invalidMons)
+                && gBattlePartyID[bankIn1] != i
+                && gBattlePartyID[bankIn2] != i
+                && i != *(gBattleStruct->field_5C + bankIn1)
+                && i != *(gBattleStruct->field_5C + bankIn2))
+            {
+                u8 type1 = gBaseStats[species].type1;
+                u8 type2 = gBaseStats[species].type2;
+                u8 typeDmg = 10;
+                ModulateByTypeEffectiveness(gBattleMons[opposingBank].type1, type1, type2, &typeDmg);
+                ModulateByTypeEffectiveness(gBattleMons[opposingBank].type2, type1, type2, &typeDmg);
+                if (bestDmg < typeDmg)
+                {
+                    bestDmg = typeDmg;
+                    bestMonId = i;
+                }
+            }
+            else
+            {
+                invalidMons |= gBitTable[i];
+            }
+        }
+
+        // ok, we know the mon has the right typing but does it have at least one super effective move?
+        if (bestMonId != 6)
+        {
+            for (i = 0; i < 4; i++)
+            {
+                move = GetMonData(&party[bestMonId], MON_DATA_MOVE1 + i);
+                if (move != MOVE_NONE && TypeCalc(move, gActiveBank, opposingBank) & MOVESTATUS_SUPEREFFECTIVE)
+                    break;
+            }
+
+            if (i != 4)
+                return bestMonId; // has both the typing and at least one super effective move
+
+            invalidMons |= gBitTable[bestMonId]; // sorry buddy, we want something better
+        }
+        else
+        {
+            invalidMons = 0x3F; // no viable mon to switch
+        }
+    }
+
+    gDynamicBasePower = 0;
+    gBattleStruct->dynamicMoveType = 0;
+    gBattleScripting.dmgMultiplier = 1;
+    gBattleMoveFlags = 0;
+    gCritMultiplier = 1;
+    bestDmg = 0;
+    bestMonId = 6;
+
+    // if we couldn't find the best mon in terms of typing, find the one that deals most damage
+    for (i = firstId; i < lastId; i++)
+    {
+        if ((u16)(GetMonData(&party[i], MON_DATA_SPECIES)) == SPECIES_NONE)
+            continue;
+        if (GetMonData(&party[i], MON_DATA_HP) == 0)
+            continue;
+        if (gBattlePartyID[bankIn1] == i)
+            continue;
+        if (gBattlePartyID[bankIn2] == i)
+            continue;
+        if (i == *(gBattleStruct->field_5C + bankIn1))
+            continue;
+        if (i == *(gBattleStruct->field_5C + bankIn2))
+            continue;
+
+        for (j = 0; j < 4; j++)
+        {
+            move = GetMonData(&party[i], MON_DATA_MOVE1 + j);
+            gBattleMoveDamage = 0;
+            if (move != MOVE_NONE && gBattleMoves[move].power != 1)
+            {
+                AI_CalcDmg(gActiveBank, opposingBank);
+                TypeCalc(move, gActiveBank, opposingBank);
+            }
+            if (bestDmg < gBattleMoveDamage)
+            {
+                bestDmg = gBattleMoveDamage;
+                bestMonId = i;
+            }
+        }
+    }
+
+    return bestMonId;
+}
+
+// TODO: use PokemonItemEffect struct instead of u8 once it's documented
+static u8 GetAI_ItemType(u8 itemId, const u8 *itemEffect) // NOTE: should take u16 as item Id argument
+{
+    if (itemId == ITEM_FULL_RESTORE)
+        return AI_ITEM_FULL_RESTORE;
+    if (itemEffect[4] & 4)
+        return AI_ITEM_HEAL_HP;
+    if (itemEffect[3] & 0x3F)
+        return AI_ITEM_CURE_CONDITION;
+    if (itemEffect[0] & 0x3F || itemEffect[1] != 0 || itemEffect[2] != 0)
+        return AI_ITEM_X_STAT;
+    if (itemEffect[3] & 0x80)
+        return AI_ITEM_GUARD_SPECS;
+
+    return AI_ITEM_NOT_RECOGNIZABLE;
+}
+
+static bool8 ShouldUseItem(void)
+{
+    struct Pokemon *party;
+    s32 i;
+    u8 validMons = 0;
+    bool8 shouldUse = FALSE;
+
+    if (gBattleTypeFlags & BATTLE_TYPE_INGAME_PARTNER && GetBankIdentity(gActiveBank) == IDENTITY_PLAYER_MON2)
+        return FALSE;
+
+    if (GetBankSide(gActiveBank) == SIDE_PLAYER)
+        party = gPlayerParty;
+    else
+        party = gEnemyParty;
+
+    for (i = 0; i < 6; i++)
+    {
+        if (GetMonData(&party[i], MON_DATA_HP) != 0
+            && GetMonData(&party[i], MON_DATA_SPECIES2) != SPECIES_NONE
+            && GetMonData(&party[i], MON_DATA_SPECIES2) != SPECIES_EGG)
+        {
+            validMons++;
+        }
+    }
+
+    for (i = 0; i < 4; i++)
+    {
+        u16 item;
+        const u8 *itemEffects;
+        u8 paramOffset;
+        u8 bankSide;
+
+        if (i != 0 && validMons > (gBattleResources->battleHistory->itemsNo - i) + 1)
+            continue;
+        item = gBattleResources->battleHistory->trainerItems[i];
+        if (item == ITEM_NONE)
+            continue;
+        if (gItemEffectTable[item - 13] == NULL)
+            continue;
+
+        if (item == ITEM_ENIGMA_BERRY)
+            itemEffects = gSaveBlock1Ptr->enigmaBerry.itemEffect;
+        else
+            itemEffects = gItemEffectTable[item - 13];
+
+        *(gBattleStruct->AI_itemType + gActiveBank / 2) = GetAI_ItemType(item, itemEffects);
+
+        switch (*(gBattleStruct->AI_itemType + gActiveBank / 2))
+        {
+        case AI_ITEM_FULL_RESTORE:
+            if (gBattleMons[gActiveBank].hp >= gBattleMons[gActiveBank].maxHP / 4)
+                break;
+            if (gBattleMons[gActiveBank].hp == 0)
+                break;
+            shouldUse = TRUE;
+            break;
+        case AI_ITEM_HEAL_HP:
+            paramOffset = GetItemEffectParamOffset(item, 4, 4);
+            if (paramOffset == 0)
+                break;
+            if (gBattleMons[gActiveBank].hp == 0)
+                break;
+            if (gBattleMons[gActiveBank].hp < gBattleMons[gActiveBank].maxHP / 4 || gBattleMons[gActiveBank].maxHP - gBattleMons[gActiveBank].hp > itemEffects[paramOffset])
+                shouldUse = TRUE;
+            break;
+        case AI_ITEM_CURE_CONDITION:
+            *(gBattleStruct->AI_itemFlags + gActiveBank / 2) = 0;
+            if (itemEffects[3] & 0x20 && gBattleMons[gActiveBank].status1 & STATUS_SLEEP)
+            {
+                *(gBattleStruct->AI_itemFlags + gActiveBank / 2) |= 0x20;
+                shouldUse = TRUE;
+            }
+            if (itemEffects[3] & 0x10 && (gBattleMons[gActiveBank].status1 & STATUS_POISON || gBattleMons[gActiveBank].status1 & STATUS_TOXIC_POISON))
+            {
+                *(gBattleStruct->AI_itemFlags + gActiveBank / 2) |= 0x10;
+                shouldUse = TRUE;
+            }
+            if (itemEffects[3] & 0x8 && gBattleMons[gActiveBank].status1 & STATUS_BURN)
+            {
+                *(gBattleStruct->AI_itemFlags + gActiveBank / 2) |= 0x8;
+                shouldUse = TRUE;
+            }
+            if (itemEffects[3] & 0x4 && gBattleMons[gActiveBank].status1 & STATUS_FREEZE)
+            {
+                *(gBattleStruct->AI_itemFlags + gActiveBank / 2) |= 0x4;
+                shouldUse = TRUE;
+            }
+            if (itemEffects[3] & 0x2 && gBattleMons[gActiveBank].status1 & STATUS_PARALYSIS)
+            {
+                *(gBattleStruct->AI_itemFlags + gActiveBank / 2) |= 0x2;
+                shouldUse = TRUE;
+            }
+            if (itemEffects[3] & 0x1 && gBattleMons[gActiveBank].status2 & STATUS2_CONFUSION)
+            {
+                *(gBattleStruct->AI_itemFlags + gActiveBank / 2) |= 0x1;
+                shouldUse = TRUE;
+            }
+            break;
+        case AI_ITEM_X_STAT:
+            *(gBattleStruct->AI_itemFlags + gActiveBank / 2) = 0;
+            if (gDisableStructs[gActiveBank].isFirstTurn == 0)
+                break;
+            if (itemEffects[0] & 0xF)
+                *(gBattleStruct->AI_itemFlags + gActiveBank / 2) |= 0x1;
+            if (itemEffects[1] & 0xF0)
+                *(gBattleStruct->AI_itemFlags + gActiveBank / 2) |= 0x2;
+            if (itemEffects[1] & 0xF)
+                *(gBattleStruct->AI_itemFlags + gActiveBank / 2) |= 0x4;
+            if (itemEffects[2] & 0xF)
+                *(gBattleStruct->AI_itemFlags + gActiveBank / 2) |= 0x8;
+            if (itemEffects[2] & 0xF0)
+                *(gBattleStruct->AI_itemFlags + gActiveBank / 2) |= 0x20;
+            if (itemEffects[0] & 0x30)
+                *(gBattleStruct->AI_itemFlags + gActiveBank / 2) |= 0x80;
+            shouldUse = TRUE;
+            break;
+        case AI_ITEM_GUARD_SPECS:
+            bankSide = GetBankSide(gActiveBank);
+            if (gDisableStructs[gActiveBank].isFirstTurn != 0 && gSideTimers[bankSide].mistTimer == 0)
+                shouldUse = TRUE;
+            break;
+        case AI_ITEM_NOT_RECOGNIZABLE:
+            return FALSE;
+        }
+
+        if (shouldUse)
+        {
+            EmitCmd_x21(1, 1, 0);
+            *(gBattleStruct->field_C0 + (gActiveBank / 2) * 2) = item;
+            gBattleResources->battleHistory->trainerItems[i] = 0;
+            return shouldUse;
+        }
+    }
+
+    return FALSE;
+}
diff --git a/src/battle_script_commands.c b/src/battle_script_commands.c
index 17b0e2ff9..50ae5bafe 100644
--- a/src/battle_script_commands.c
+++ b/src/battle_script_commands.c
@@ -1772,11 +1772,11 @@ u8 TypeCalc(u16 move, u8 bankAtk, u8 bankDef)
     return flags;
 }
 
-u8 AI_TypeCalc(u16 move, u16 species, u8 ability)
+u8 AI_TypeCalc(u16 move, u16 targetSpecies, u8 targetAbility)
 {
     s32 i = 0;
     u8 flags = 0;
-    u8 type1 = gBaseStats[species].type1, type2 = gBaseStats[species].type2;
+    u8 type1 = gBaseStats[targetSpecies].type1, type2 = gBaseStats[targetSpecies].type2;
     u8 moveType;
 
     if (move == MOVE_STRUGGLE)
@@ -1784,7 +1784,7 @@ u8 AI_TypeCalc(u16 move, u16 species, u8 ability)
 
     moveType = gBattleMoves[move].type;
 
-    if (ability == ABILITY_LEVITATE && moveType == TYPE_GROUND)
+    if (targetAbility == ABILITY_LEVITATE && moveType == TYPE_GROUND)
     {
         flags = MOVESTATUS_MISSED | MOVESTATUS_NOTAFFECTED;
     }
@@ -1809,7 +1809,7 @@ u8 AI_TypeCalc(u16 move, u16 species, u8 ability)
             i += 3;
         }
     }
-    if (ability == ABILITY_WONDER_GUARD
+    if (targetAbility == ABILITY_WONDER_GUARD
      && (!(flags & MOVESTATUS_SUPEREFFECTIVE) || ((flags & (MOVESTATUS_SUPEREFFECTIVE | MOVESTATUS_NOTVERYEFFECTIVE)) == (MOVESTATUS_SUPEREFFECTIVE | MOVESTATUS_NOTVERYEFFECTIVE)))
      && gBattleMoves[move].power)
         flags |= MOVESTATUS_NOTAFFECTED;
diff --git a/src/diploma.c b/src/diploma.c
index f2cbcabb7..d4a269757 100755
--- a/src/diploma.c
+++ b/src/diploma.c
@@ -1,4 +1,5 @@
 #include "global.h"
+#include "diploma.h"
 #include "palette.h"
 #include "main.h"
 #include "gpu_regs.h"
@@ -33,7 +34,7 @@ static void InitDiplomaBg(void);
 static void InitDiplomaWindow(void);
 static void PrintDiplomaText(u8 *, u8, u8);
 
-EWRAM_DATA void **gDiplomaTilemapPtr = {NULL};
+EWRAM_DATA static void **sDiplomaTilemapPtr = {NULL};
 
 static void VBlankCB(void)
 {
@@ -42,14 +43,14 @@ static void VBlankCB(void)
     TransferPlttBuffer();
 }
 
-static const u16 gDiplomaPalettes[][16] =
+static const u16 sDiplomaPalettes[][16] =
 {
     INCBIN_U16("graphics/misc/diploma_national.gbapal"),
     INCBIN_U16("graphics/misc/diploma_hoenn.gbapal"),
 };
 
-static const u8 gDiplomaTilemap[] = INCBIN_U8("graphics/misc/diploma_map.bin.lz");
-static const u8 gDiplomaTiles[] = INCBIN_U8("graphics/misc/diploma.4bpp.lz");
+static const u8 sDiplomaTilemap[] = INCBIN_U8("graphics/misc/diploma_map.bin.lz");
+static const u8 sDiplomaTiles[] = INCBIN_U8("graphics/misc/diploma.4bpp.lz");
 
 void CB2_ShowDiploma(void)
 {
@@ -76,15 +77,15 @@ void CB2_ShowDiploma(void)
     ResetSpriteData();
     ResetPaletteFade();
     FreeAllSpritePalettes();
-    LoadPalette(gDiplomaPalettes, 0, 64);
-    gDiplomaTilemapPtr = malloc(0x1000);
+    LoadPalette(sDiplomaPalettes, 0, 64);
+    sDiplomaTilemapPtr = malloc(0x1000);
     InitDiplomaBg();
     InitDiplomaWindow();
     reset_temp_tile_data_buffers();
-    decompress_and_copy_tile_data_to_vram(1, &gDiplomaTiles, 0, 0, 0);
+    decompress_and_copy_tile_data_to_vram(1, &sDiplomaTiles, 0, 0, 0);
     while (free_temp_tile_data_buffers_if_possible())
         ;
-    LZDecompressWram(&gDiplomaTilemap, gDiplomaTilemapPtr);
+    LZDecompressWram(&sDiplomaTilemap, sDiplomaTilemapPtr);
     CopyBgTilemapBufferToVram(1);
     DisplayDiplomaText();
     BlendPalettes(-1, 16, 0);
@@ -122,7 +123,7 @@ static void Task_DiplomaFadeOut(u8 taskId)
 {
     if (!gPaletteFade.active)
     {
-        Free(gDiplomaTilemapPtr);
+        Free(sDiplomaTilemapPtr);
         FreeAllWindowBuffers();
         DestroyTask(taskId);
         SetMainCallback2(sub_80861E8);
@@ -147,7 +148,7 @@ static void DisplayDiplomaText(void)
     CopyWindowToVram(0, 3);
 }
 
-static const struct BgTemplate gDiplomaBgTemplates[2] =
+static const struct BgTemplate sDiplomaBgTemplates[2] =
 {
     {
         .bg = 0,
@@ -172,8 +173,8 @@ static const struct BgTemplate gDiplomaBgTemplates[2] =
 static void InitDiplomaBg(void)
 {
     ResetBgsAndClearDma3BusyFlags(0);
-    InitBgsFromTemplates(0, gDiplomaBgTemplates, 2);
-    SetBgTilemapBuffer(1, gDiplomaTilemapPtr);
+    InitBgsFromTemplates(0, sDiplomaBgTemplates, 2);
+    SetBgTilemapBuffer(1, sDiplomaTilemapPtr);
     SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
     ShowBg(0);
     ShowBg(1);
@@ -182,7 +183,7 @@ static void InitDiplomaBg(void)
     SetGpuReg(REG_OFFSET_BLDY, DISPCNT_MODE_0);
 }
 
-static const struct WindowTemplate gDiplomaWinTemplates[2] =
+static const struct WindowTemplate sDiplomaWinTemplates[2] =
 {
     {
         .priority = 0,
@@ -198,7 +199,7 @@ static const struct WindowTemplate gDiplomaWinTemplates[2] =
 
 static void InitDiplomaWindow(void)
 {
-    InitWindows(gDiplomaWinTemplates);
+    InitWindows(sDiplomaWinTemplates);
     DeactivateAllTextPrinters();
     LoadPalette(gUnknown_0860F074, 0xF0, 0x20);
     FillWindowPixelBuffer(0, 0);