split out multiboot.s

4 files changed, 923 insertions, 920 deletions

diff --git a/asm/emerald.s b/asm/emerald.s
index aaab7fb54..1271f5c83 100644
--- a/asm/emerald.s
+++ b/asm/emerald.s
@@ -702569,7 +702569,7 @@ do_copyright_screen: ; 816CCC8
 	ldr r0, =0x65366347
 	cmp r4, r0
 	bne @0816CE6C
-	ldr r0, =gUnknown_089AA144
+	ldr r0, =gMultiBootProgram_PokemonColosseum_Start
 	movs r1, 0x80
 	lsls r1, 18
 	movs r2, 0xA0
@@ -853744,918 +853744,7 @@ GetGlyphWidthFont6: ; 81BA6CC
 	bx lr
 	thumb_func_end GetGlyphWidthFont6
 
-	thumb_func_start MultiBootInit
-; void MultiBootInit(MultiBootParam *mp)
-MultiBootInit: ; 81BA6D0
-	adds r2, r0, 0
-	movs r1, 0
-	strb r1, [r2, 0x1E]
-	strb r1, [r2, 0x18]
-	strb r1, [r2, 0x1D]
-	adds r3, r2, 0
-	adds r3, 0x4A
-	movs r0, 0xF
-	strb r0, [r3]
-	adds r0, r2, 0
-	adds r0, 0x48
-	strb r1, [r0]
-	strh r1, [r2, 0x16]
-	ldr r0, =0x04000134
-	strh r1, [r0]
-	ldr r2, =0x04000128
-	ldr r3, =0x00002003
-	adds r0, r3, 0
-	strh r0, [r2]
-	ldr r0, =0x0400012a
-	strh r1, [r0]
-	bx lr
-	.align 2, 0
-	.pool
-	thumb_func_end MultiBootInit
-
-	thumb_func_start MultiBootMain
-; int MultiBootMain(MultiBootParam *mp)
-MultiBootMain: ; 81BA70C
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	adds r7, r0, 0
-	bl MultiBootCheckComplete
-	cmp r0, 0
-	beq @081BA722
-	b @081BAAEA
-@081BA722:
-	adds r0, r7, 0
-	adds r0, 0x4A
-	ldrb r1, [r0]
-	mov r10, r0
-	cmp r1, 0xF
-	bls @081BA736
-	subs r0, r1, 0x1
-	mov r1, r10
-	strb r0, [r1]
-	b @081BAAEA
-@081BA736:
-	adds r1, r7, 0
-	adds r1, 0x48
-	ldrb r0, [r1]
-	cmp r0, 0
-	beq @081BA760
-	movs r0, 0
-	strb r0, [r1]
-	ldr r0, =0x04000128
-	ldrh r0, [r0]
-	movs r5, 0xFC
-	ands r5, r0
-	cmp r5, 0x8
-	beq @081BA760
-	adds r0, r7, 0
-	bl MultiBootInit
-	movs r0, 0x8
-	eors r0, r5
-	b @081BAAEC
-	.align 2, 0
-	.pool
-@081BA760:
-	ldrb r0, [r7, 0x18]
-	cmp r0, 0xDF
-	bls @081BA7B2
-	adds r0, r7, 0
-	bl MultiBootHandShake
-	adds r5, r0, 0
-	cmp r5, 0
-	beq @081BA774
-	b @081BAAEC
-@081BA774:
-	adds r0, r7, 0
-	adds r0, 0x4B
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne @081BA790
-	ldrb r0, [r7, 0x18]
-	cmp r0, 0xE1
-	bls @081BA790
-	adds r0, r7, 0
-	bl MultiBootCheckComplete
-	cmp r0, 0
-	bne @081BA790
-	b @081BAADA
-@081BA790:
-	adds r0, r7, 0
-	bl MultiBootCheckComplete
-	cmp r0, 0
-	beq @081BA79C
-	b @081BAAEA
-@081BA79C:
-	ldrh r0, [r7, 0x16]
-	cmp r0, 0
-	bne @081BA7AC
-	adds r0, r7, 0
-	bl MultiBootInit
-	movs r0, 0x71
-	b @081BAAEC
-@081BA7AC:
-	subs r0, 0x1
-	strh r0, [r7, 0x16]
-	b @081BAAEA
-@081BA7B2:
-	ldrb r0, [r7, 0x18]
-	cmp r0, 0x2
-	bne @081BA7BA
-	b @081BA8F0
-@081BA7BA:
-	cmp r0, 0x2
-	bgt @081BA7C8
-	cmp r0, 0
-	beq @081BA7D6
-	cmp r0, 0x1
-	beq @081BA892
-	b @081BAA28
-@081BA7C8:
-	cmp r0, 0xD0
-	bne @081BA7CE
-	b @081BA93C
-@081BA7CE:
-	cmp r0, 0xD1
-	bne @081BA7D4
-	b @081BA9D6
-@081BA7D4:
-	b @081BAA28
-@081BA7D6:
-	movs r3, 0xE
-	movs r5, 0x3
-	ldr r0, =0x04000120
-	ldrh r0, [r0, 0x6]
-	adds r1, r0, 0
-	ldr r0, =0x0000ffff
-	ldrb r2, [r7, 0x1E]
-	adds r6, r2, 0
-	cmp r1, r0
-	bne @081BA7FE
-	adds r4, r1, 0
-	ldr r1, =0x04000126
-@081BA7EE:
-	asrs r3, 1
-	subs r1, 0x2
-	subs r5, 0x1
-	cmp r5, 0
-	beq @081BA7FE
-	ldrh r0, [r1]
-	cmp r0, r4
-	beq @081BA7EE
-@081BA7FE:
-	movs r0, 0xE
-	ands r3, r0
-	strb r3, [r7, 0x1D]
-	movs r5, 0x3
-	ldr r0, =0x04000120
-	ldrh r0, [r0, 0x6]
-	adds r4, r0, 0
-	asrs r0, r2, 3
-	movs r1, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq @081BA82C
-	ldr r0, =0x00007208
-	b @081BA852
-	.align 2, 0
-	.pool
-@081BA82C:
-	subs r5, 0x1
-	cmp r5, 0
-	beq @081BA858
-	lsls r0, r5, 1
-	ldr r1, =0x04000120
-	adds r0, r1
-	ldrh r0, [r0]
-	adds r4, r0, 0
-	adds r0, r2, 0
-	asrs r0, r5
-	movs r1, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq @081BA82C
-	adds r0, r1, 0
-	lsls r0, r5
-	movs r1, 0xE4
-	lsls r1, 7
-	orrs r0, r1
-@081BA852:
-	cmp r4, r0
-	beq @081BA82C
-	movs r3, 0
-@081BA858:
-	adds r0, r3, 0
-	ands r0, r6
-	strb r0, [r7, 0x1E]
-	cmp r3, 0
-	bne @081BA868
-	movs r0, 0xF
-	mov r2, r10
-	strb r0, [r2]
-@081BA868:
-	mov r1, r10
-	ldrb r0, [r1]
-	cmp r0, 0
-	bne @081BA884
-	ldrb r0, [r7, 0x1D]
-	ldrb r2, [r7, 0x1E]
-	cmp r0, r2
-	beq @081BA88A
-	adds r0, r7, 0
-	bl MultiBootStartProbe
-	b @081BA892
-	.align 2, 0
-	.pool
-@081BA884:
-	subs r0, 0x1
-	mov r1, r10
-	strb r0, [r1]
-@081BA88A:
-	ldrb r1, [r7, 0x1E]
-	movs r2, 0xC4
-	lsls r2, 7
-	b @081BA992
-@081BA892:
-	adds r1, r7, 0
-	adds r1, 0x49
-	movs r0, 0
-	strb r0, [r1]
-	movs r5, 0x3
-	mov r12, r1
-	ldr r3, =0x0300129c
-@081BA8A0:
-	lsls r0, r5, 1
-	ldr r2, =0x04000120
-	adds r0, r2
-	ldrh r0, [r0]
-	adds r4, r0, 0
-	asrs r0, r4, 8
-	subs r2, r5, 0x1
-	cmp r0, 0x72
-	bne @081BA8CA
-	lsls r0, r2, 1
-	adds r0, r3
-	strh r4, [r0]
-	movs r0, 0xFF
-	ands r4, r0
-	movs r0, 0x1
-	lsls r0, r5
-	cmp r4, r0
-	bne @081BA8CA
-	ldrb r0, [r1]
-	orrs r4, r0
-	strb r4, [r1]
-@081BA8CA:
-	adds r5, r2, 0
-	cmp r5, 0
-	bne @081BA8A0
-	ldrb r0, [r7, 0x1D]
-	mov r1, r12
-	ldrb r1, [r1]
-	cmp r0, r1
-	bne @081BA88A
-	movs r0, 0x2
-	strb r0, [r7, 0x18]
-	mov r2, r12
-	ldrb r1, [r2]
-	movs r2, 0xC2
-	lsls r2, 7
-	b @081BA992
-	.align 2, 0
-	.pool
-@081BA8F0:
-	movs r5, 0x3
-	movs r0, 0x49
-	adds r0, r7
-	mov r12, r0
-	mov r4, r12
-	movs r6, 0x1
-	ldr r1, =0x0300129c
-	mov r9, r1
-	ldr r2, =0x04000120
-	mov r8, r2
-@081BA904:
-	ldrb r3, [r4]
-	adds r0, r3, 0
-	asrs r0, r5
-	ands r0, r6
-	subs r2, r5, 0x1
-	cmp r0, 0
-	beq @081BA92A
-	lsls r0, r5, 1
-	add r0, r8
-	ldrh r1, [r0]
-	lsls r0, r2, 1
-	add r0, r9
-	ldrh r0, [r0]
-	cmp r1, r0
-	beq @081BA92A
-	adds r0, r6, 0
-	lsls r0, r5
-	eors r3, r0
-	strb r3, [r4]
-@081BA92A:
-	adds r5, r2, 0
-	cmp r5, 0
-	bne @081BA904
-	b @081BAA90
-	.align 2, 0
-	.pool
-@081BA93C:
-	movs r3, 0x1
-	movs r5, 0x3
-	movs r0, 0x49
-	adds r0, r7
-	mov r12, r0
-	adds r6, r7, 0
-	adds r6, 0x19
-	ldr r1, =0x0300129c
-	mov r8, r1
-@081BA94E:
-	lsls r0, r5, 1
-	ldr r2, =0x04000120
-	adds r0, r2
-	ldrh r0, [r0]
-	adds r4, r0, 0
-	subs r2, r5, 0x1
-	adds r0, r6, r2
-	strb r4, [r0]
-	mov r0, r12
-	ldrb r1, [r0]
-	asrs r1, r5
-	movs r0, 0x1
-	ands r1, r0
-	cmp r1, 0
-	beq @081BA982
-	asrs r0, r4, 8
-	subs r0, 0x72
-	cmp r0, 0x1
-	bls @081BA976
-	b @081BAAE0
-@081BA976:
-	lsls r0, r2, 1
-	add r0, r8
-	ldrh r0, [r0]
-	cmp r4, r0
-	bne @081BA982
-	movs r3, 0
-@081BA982:
-	adds r5, r2, 0
-	cmp r5, 0
-	bne @081BA94E
-	cmp r3, 0
-	bne @081BA9A8
-	ldrb r1, [r7, 0x1C]
-	movs r2, 0xC6
-	lsls r2, 7
-@081BA992:
-	adds r0, r2, 0
-	orrs r1, r0
-	adds r0, r7, 0
-	bl MultiBootSend
-	b @081BAAEC
-	.align 2, 0
-	.pool
-@081BA9A8:
-	movs r0, 0xD1
-	strb r0, [r7, 0x18]
-	movs r3, 0x11
-	movs r5, 0x3
-	adds r1, r6, 0x2
-@081BA9B2:
-	ldrb r0, [r1]
-	adds r3, r0
-	subs r1, 0x1
-	subs r5, 0x1
-	cmp r5, 0
-	bne @081BA9B2
-	strb r3, [r7, 0x14]
-	movs r0, 0xFF
-	ands r3, r0
-	movs r1, 0xC8
-	lsls r1, 7
-	adds r0, r1, 0
-	orrs r3, r0
-	adds r0, r7, 0
-	adds r1, r3, 0
-	bl MultiBootSend
-	b @081BAAEC
-@081BA9D6:
-	movs r5, 0x3
-	movs r2, 0x49
-	ldrb r1, [r2, r7]
-	ldr r2, =0x04000126
-	movs r3, 0x1
-@081BA9E0:
-	ldrh r0, [r2]
-	adds r4, r0, 0
-	adds r0, r1, 0
-	asrs r0, r5
-	ands r0, r3
-	cmp r0, 0
-	beq @081BA9F4
-	asrs r0, r4, 8
-	cmp r0, 0x73
-	bne @081BAAE0
-@081BA9F4:
-	subs r2, 0x2
-	subs r5, 0x1
-	cmp r5, 0
-	bne @081BA9E0
-	adds r0, r7, 0
-	bl MultiBoot
-	adds r5, r0, 0
-	cmp r5, 0
-	bne @081BAA18
-	movs r0, 0xE0
-	strb r0, [r7, 0x18]
-	adds r0, 0xB0
-	strh r0, [r7, 0x16]
-	b @081BAAEA
-	.align 2, 0
-	.pool
-@081BAA18:
-	adds r0, r7, 0
-	bl MultiBootInit
-	movs r0, 0x1E
-	mov r1, r10
-	strb r0, [r1]
-	movs r0, 0x70
-	b @081BAAEC
-@081BAA28:
-	movs r5, 0x3
-	movs r2, 0x49
-	adds r2, r7
-	mov r12, r2
-	mov r8, r12
-	movs r0, 0x1
-	mov r9, r0
-@081BAA36:
-	mov r1, r8
-	ldrb r6, [r1]
-	adds r0, r6, 0
-	asrs r0, r5
-	mov r2, r9
-	ands r0, r2
-	cmp r0, 0
-	beq @081BAA70
-	lsls r0, r5, 1
-	ldr r1, =0x04000120
-	adds r0, r1
-	ldrh r0, [r0]
-	adds r4, r0, 0
-	asrs r2, r4, 8
-	ldrb r0, [r7, 0x18]
-	lsrs r0, 1
-	movs r1, 0x62
-	subs r1, r0
-	mov r3, r9
-	lsls r3, r5
-	cmp r2, r1
-	bne @081BAA6A
-	movs r0, 0xFF
-	ands r4, r0
-	cmp r4, r3
-	beq @081BAA70
-@081BAA6A:
-	eors r6, r3
-	mov r2, r8
-	strb r6, [r2]
-@081BAA70:
-	subs r5, 0x1
-	cmp r5, 0
-	bne @081BAA36
-	ldrb r0, [r7, 0x18]
-	cmp r0, 0xC4
-	bne @081BAA90
-	mov r0, r12
-	ldrb r1, [r0]
-	movs r0, 0xE
-	ands r0, r1
-	strb r0, [r7, 0x1E]
-	strb r5, [r7, 0x18]
-	b @081BA88A
-	.align 2, 0
-	.pool
-@081BAA90:
-	mov r1, r12
-	ldrb r0, [r1]
-	cmp r0, 0
-	bne @081BAAA2
-	adds r0, r7, 0
-	bl MultiBootInit
-	movs r0, 0x50
-	b @081BAAEC
-@081BAAA2:
-	ldrb r0, [r7, 0x18]
-	adds r0, 0x2
-	strb r0, [r7, 0x18]
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0xC4
-	bne @081BAAB2
-	b @081BA88A
-@081BAAB2:
-	ldrb r0, [r7, 0x18]
-	ldr r1, [r7, 0x28]
-	adds r0, r1
-	subs r1, r0, 0x3
-	ldrb r2, [r1]
-	lsls r2, 8
-	subs r0, 0x4
-	ldrb r1, [r0]
-	orrs r1, r2
-	adds r0, r7, 0
-	bl MultiBootSend
-	adds r5, r0, 0
-	cmp r5, 0
-	bne @081BAAEC
-	adds r0, r7, 0
-	adds r0, 0x4B
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	bne @081BAAEA
-@081BAADA:
-	bl MultiBootWaitSendDone
-	b @081BA736
-@081BAAE0:
-	adds r0, r7, 0
-	bl MultiBootInit
-	movs r0, 0x60
-	b @081BAAEC
-@081BAAEA:
-	movs r0, 0
-@081BAAEC:
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end MultiBootMain
-
-	thumb_func_start MultiBootSend
-; int MultiBootSend(MultiBootParam *mp, u16 data)
-MultiBootSend: ; 81BAAFC
-	push {r4,lr}
-	adds r2, r0, 0
-	lsls r1, 16
-	lsrs r1, 16
-	ldr r3, =0x04000128
-	ldrh r0, [r3]
-	movs r4, 0x8C
-	ands r4, r0
-	cmp r4, 0x8
-	bne @081BAB34
-	ldr r0, =0x0400012a
-	strh r1, [r0]
-	ldr r1, =0x00002083
-	adds r0, r1, 0
-	strh r0, [r3]
-	adds r1, r2, 0
-	adds r1, 0x48
-	movs r0, 0x1
-	strb r0, [r1]
-	movs r0, 0
-	b @081BAB40
-	.align 2, 0
-	.pool
-@081BAB34:
-	adds r0, r2, 0
-	bl MultiBootInit
-	movs r0, 0x8
-	eors r4, r0
-	adds r0, r4, 0
-@081BAB40:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end MultiBootSend
-
-	thumb_func_start MultiBootStartProbe
-; void MultiBootStartProbe(MultiBootParam *mp)
-MultiBootStartProbe: ; 81BAB48
-	push {lr}
-	adds r1, r0, 0
-	ldrb r0, [r1, 0x18]
-	cmp r0, 0
-	beq @081BAB5A
-	adds r0, r1, 0
-	bl MultiBootInit
-	b @081BAB66
-@081BAB5A:
-	adds r2, r1, 0
-	adds r2, 0x4A
-	strb r0, [r2]
-	strb r0, [r1, 0x1E]
-	movs r0, 0x1
-	strb r0, [r1, 0x18]
-@081BAB66:
-	pop {r0}
-	bx r0
-	thumb_func_end MultiBootStartProbe
-
-	thumb_func_start MultiBootStartMaster
-; void MultiBootStartMaster(MultiBootParam *mp, u8 *srcp, int length, u8 palette_color, s8 palette_speed)
-MultiBootStartMaster: ; 81BAB6C
-	push {r4-r7,lr}
-	adds r4, r0, 0
-	adds r6, r1, 0
-	ldr r0, [sp, 0x14]
-	lsls r3, 24
-	lsrs r5, r3, 24
-	lsls r0, 24
-	lsrs r7, r0, 24
-	movs r3, 0
-	ldrb r0, [r4, 0x18]
-	cmp r0, 0
-	bne @081BABA8
-	ldrb r0, [r4, 0x1E]
-	cmp r0, 0
-	beq @081BABA8
-	adds r0, r4, 0
-	adds r0, 0x4A
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne @081BABA8
-	str r6, [r4, 0x20]
-	adds r2, 0xF
-	movs r0, 0x10
-	negs r0, r0
-	ands r2, r0
-	subs r0, 0xF0
-	adds r1, r2, r0
-	ldr r0, =0x0003ff00
-	cmp r1, r0
-	bls @081BABB4
-@081BABA8:
-	adds r0, r4, 0
-	bl MultiBootInit
-	b @081BAC28
-	.align 2, 0
-	.pool
-@081BABB4:
-	adds r0, r6, r2
-	str r0, [r4, 0x24]
-	lsls r1, r7, 24
-	movs r2, 0x80
-	lsls r2, 19
-	adds r0, r1, r2
-	asrs r0, 24
-	adds r2, r1, 0
-	cmp r0, 0x8
-	bhi @081BAC14
-	lsls r0, 2
-	ldr r1, =@081BABD8
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-	.pool
-	.align 2, 0
-@081BABD8:
-	.4byte @081BABFC
-	.4byte @081BABFC
-	.4byte @081BABFC
-	.4byte @081BABFC
-	.4byte @081BAC06
-	.4byte @081BAC0C
-	.4byte @081BAC0C
-	.4byte @081BAC0C
-	.4byte @081BAC0C
-@081BABFC:
-	lsls r3, r5, 3
-	asrs r1, r2, 24
-	movs r0, 0x3
-	subs r0, r1
-	b @081BAC12
-@081BAC06:
-	movs r0, 0x38
-	adds r3, r5, 0
-	b @081BAC12
-@081BAC0C:
-	lsls r3, r5, 3
-	asrs r0, r2, 24
-	subs r0, 0x1
-@081BAC12:
-	orrs r3, r0
-@081BAC14:
-	movs r0, 0x3F
-	ands r3, r0
-	lsls r0, r3, 1
-	movs r2, 0x7F
-	negs r2, r2
-	adds r1, r2, 0
-	orrs r0, r1
-	strb r0, [r4, 0x1C]
-	movs r0, 0xD0
-	strb r0, [r4, 0x18]
-@081BAC28:
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end MultiBootStartMaster
-
-	thumb_func_start MultiBootCheckComplete
-; s32 MultiBootCheckComplete(MultiBootParam *mp)
-MultiBootCheckComplete: ; 81BAC30
-	push {lr}
-	ldrb r0, [r0, 0x18]
-	cmp r0, 0xE9
-	beq @081BAC3C
-	movs r0, 0
-	b @081BAC3E
-@081BAC3C:
-	movs r0, 0x1
-@081BAC3E:
-	pop {r1}
-	bx r1
-	thumb_func_end MultiBootCheckComplete
-
-	thumb_func_start MultiBootHandShake
-; int MultiBootHandShake(MultiBootParam *mp)
-MultiBootHandShake: ; 81BAC44
-	push {r4-r6,lr}
-	adds r3, r0, 0
-	ldrb r0, [r3, 0x18]
-	cmp r0, 0xE0
-	beq @081BAC60
-	cmp r0, 0xE0
-	blt @081BAC70
-	cmp r0, 0xE8
-	bgt @081BAC70
-	cmp r0, 0xE7
-	blt @081BAC70
-	movs r4, 0x3
-	ldrb r5, [r3, 0x1E]
-	b @081BACD0
-@081BAC60:
-	movs r1, 0
-	movs r0, 0xE1
-	strb r0, [r3, 0x18]
-	str r1, [r3, 0x4]
-	movs r0, 0x80
-	lsls r0, 13
-	str r0, [r3]
-	b @081BACC2
-@081BAC70:
-	movs r4, 0x3
-	ldrb r5, [r3, 0x1E]
-	movs r6, 0x1
-	ldr r1, =0x04000126
-@081BAC78:
-	ldrh r0, [r1]
-	adds r2, r0, 0
-	adds r0, r5, 0
-	asrs r0, r4
-	ands r0, r6
-	cmp r0, 0
-	beq @081BAC8C
-	ldr r0, [r3, 0x4]
-	cmp r2, r0
-	bne @081BAC60
-@081BAC8C:
-	subs r1, 0x2
-	subs r4, 0x1
-	cmp r4, 0
-	bne @081BAC78
-	ldrb r0, [r3, 0x18]
-	adds r0, 0x1
-	strb r0, [r3, 0x18]
-	ldr r1, [r3]
-	ldrh r0, [r3]
-	str r0, [r3, 0x4]
-	cmp r1, 0
-	bne @081BACBA
-	ldr r0, [r3, 0x28]
-	adds r1, r0, 0
-	adds r1, 0xAC
-	ldrb r1, [r1]
-	adds r0, 0xAD
-	ldrb r0, [r0]
-	lsls r0, 8
-	orrs r1, r0
-	str r1, [r3, 0x4]
-	lsls r1, 5
-	str r1, [r3]
-@081BACBA:
-	ldr r0, [r3]
-	lsrs r0, 5
-	str r0, [r3]
-@081BACC0:
-	ldrh r1, [r3]
-@081BACC2:
-	adds r0, r3, 0
-	bl MultiBootSend
-	b @081BAD28
-	.align 2, 0
-	.pool
-@081BACD0:
-	lsls r0, r4, 1
-	ldr r1, =0x04000120
-	adds r0, r1
-	ldrh r0, [r0]
-	adds r2, r0, 0
-	adds r0, r5, 0
-	asrs r0, r4
-	movs r1, 0x1
-	ands r0, r1
-	cmp r0, 0
-	beq @081BACEC
-	ldr r0, [r3, 0x4]
-	cmp r2, r0
-	bne @081BAD1C
-@081BACEC:
-	subs r4, 0x1
-	cmp r4, 0
-	bne @081BACD0
-	ldrb r0, [r3, 0x18]
-	adds r0, 0x1
-	strb r0, [r3, 0x18]
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0xE9
-	beq @081BAD26
-	ldr r0, [r3, 0x28]
-	adds r1, r0, 0
-	adds r1, 0xAE
-	ldrb r1, [r1]
-	adds r0, 0xAF
-	ldrb r0, [r0]
-	lsls r0, 8
-	orrs r1, r0
-	str r1, [r3]
-	str r1, [r3, 0x4]
-	b @081BACC0
-	.align 2, 0
-	.pool
-@081BAD1C:
-	adds r0, r3, 0
-	bl MultiBootInit
-	movs r0, 0x71
-	b @081BAD28
-@081BAD26:
-	movs r0, 0
-@081BAD28:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end MultiBootHandShake
-
-	thumb_func_start MultiBootWaitCycles
-; void MultiBootWaitCycles(u32 cycles)
-MultiBootWaitCycles: ; 81BAD30
-	mov r2, pc
-	lsrs r2, 24
-	movs r1, 0xC
-	cmp r2, 0x2
-	beq @081BAD42
-	movs r1, 0xD
-	cmp r2, 0x8
-	beq @081BAD42
-	movs r1, 0x4
-@081BAD42:
-	subs r0, r1
-	bgt @081BAD42
-	bx lr
-	thumb_func_end MultiBootWaitCycles
-
-	thumb_func_start MultiBootWaitSendDone
-; voidMultiBootWaitSendDone(void)
-MultiBootWaitSendDone: ; 81BAD48
-	push {r4,r5,lr}
-	movs r2, 0
-	ldr r3, =0x04000128
-	ldrh r1, [r3]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	beq @081BAD6C
-	ldr r5, =0x0000795c
-	movs r4, 0x80
-@081BAD5C:
-	adds r2, 0x1
-	cmp r2, r5
-	bgt @081BAD6C
-	ldrh r1, [r3]
-	adds r0, r4, 0
-	ands r0, r1
-	cmp r0, 0
-	bne @081BAD5C
-@081BAD6C:
-	movs r0, 0x96
-	lsls r0, 2
-	bl MultiBootWaitCycles
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-	.pool
-	thumb_func_end MultiBootWaitSendDone
+	.include "asm/multiboot.s"
 
 	thumb_func_start sub_81BAD84
 sub_81BAD84: ; 81BAD84
@@ -863020,8 +862109,8 @@ sub_81BF3DC: ; 81BF3DC
 	cmp r0, 0xB4
 	bls @081BF592
 	adds r0, r4, 0x4
-	ldr r1, =gUnknown_089A6610
-	ldr r2, =gUnknown_089AA144
+	ldr r1, =gMultiBootProgram_BerryGlitchFix_Start
+	ldr r2, =gMultiBootProgram_BerryGlitchFix_End
 	subs r2, r1
 	movs r3, 0x1
 	str r3, [sp]
diff --git a/asm/libgcc.s b/asm/libgcc.s
index dda2e9fec..acc95a5d1 100644
--- a/asm/libgcc.s
+++ b/asm/libgcc.s
@@ -11,7 +11,6 @@ _call_via_r1: ; 82E70D4
 	thumb_func_end _call_via_r1
 
 	thumb_func_start _call_via_r2
-; void __usercall_call_via_r2(void ( *func)()<R2>)
 _call_via_r2: ; 82E70D8
 	bx r2
 	mov r8, r8
@@ -30,7 +29,6 @@ _call_via_r4: ; 82E70E0
 	thumb_func_end _call_via_r4
 
 	thumb_func_start _call_via_r5
-; void __usercall_call_via_r5(void ( *func)()<R5>)
 _call_via_r5: ; 82E70E4
 	bx r5
 	mov r8, r8
diff --git a/asm/multiboot.s b/asm/multiboot.s
new file mode 100644
index 000000000..92ded3a0b
--- /dev/null
+++ b/asm/multiboot.s
@@ -0,0 +1,912 @@
+	thumb_func_start MultiBootInit
+; void MultiBootInit(MultiBootParam *mp)
+MultiBootInit: ; 81BA6D0
+	adds r2, r0, 0
+	movs r1, 0
+	strb r1, [r2, 0x1E]
+	strb r1, [r2, 0x18]
+	strb r1, [r2, 0x1D]
+	adds r3, r2, 0
+	adds r3, 0x4A
+	movs r0, 0xF
+	strb r0, [r3]
+	adds r0, r2, 0
+	adds r0, 0x48
+	strb r1, [r0]
+	strh r1, [r2, 0x16]
+	ldr r0, =0x04000134
+	strh r1, [r0]
+	ldr r2, =0x04000128
+	ldr r3, =0x00002003
+	adds r0, r3, 0
+	strh r0, [r2]
+	ldr r0, =0x0400012a
+	strh r1, [r0]
+	bx lr
+	.align 2, 0
+	.pool
+	thumb_func_end MultiBootInit
+
+	thumb_func_start MultiBootMain
+; int MultiBootMain(MultiBootParam *mp)
+MultiBootMain: ; 81BA70C
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	adds r7, r0, 0
+	bl MultiBootCheckComplete
+	cmp r0, 0
+	beq @081BA722
+	b @081BAAEA
+@081BA722:
+	adds r0, r7, 0
+	adds r0, 0x4A
+	ldrb r1, [r0]
+	mov r10, r0
+	cmp r1, 0xF
+	bls @081BA736
+	subs r0, r1, 0x1
+	mov r1, r10
+	strb r0, [r1]
+	b @081BAAEA
+@081BA736:
+	adds r1, r7, 0
+	adds r1, 0x48
+	ldrb r0, [r1]
+	cmp r0, 0
+	beq @081BA760
+	movs r0, 0
+	strb r0, [r1]
+	ldr r0, =0x04000128
+	ldrh r0, [r0]
+	movs r5, 0xFC
+	ands r5, r0
+	cmp r5, 0x8
+	beq @081BA760
+	adds r0, r7, 0
+	bl MultiBootInit
+	movs r0, 0x8
+	eors r0, r5
+	b @081BAAEC
+	.align 2, 0
+	.pool
+@081BA760:
+	ldrb r0, [r7, 0x18]
+	cmp r0, 0xDF
+	bls @081BA7B2
+	adds r0, r7, 0
+	bl MultiBootHandShake
+	adds r5, r0, 0
+	cmp r5, 0
+	beq @081BA774
+	b @081BAAEC
+@081BA774:
+	adds r0, r7, 0
+	adds r0, 0x4B
+	ldrb r0, [r0]
+	cmp r0, 0x1
+	bne @081BA790
+	ldrb r0, [r7, 0x18]
+	cmp r0, 0xE1
+	bls @081BA790
+	adds r0, r7, 0
+	bl MultiBootCheckComplete
+	cmp r0, 0
+	bne @081BA790
+	b @081BAADA
+@081BA790:
+	adds r0, r7, 0
+	bl MultiBootCheckComplete
+	cmp r0, 0
+	beq @081BA79C
+	b @081BAAEA
+@081BA79C:
+	ldrh r0, [r7, 0x16]
+	cmp r0, 0
+	bne @081BA7AC
+	adds r0, r7, 0
+	bl MultiBootInit
+	movs r0, 0x71
+	b @081BAAEC
+@081BA7AC:
+	subs r0, 0x1
+	strh r0, [r7, 0x16]
+	b @081BAAEA
+@081BA7B2:
+	ldrb r0, [r7, 0x18]
+	cmp r0, 0x2
+	bne @081BA7BA
+	b @081BA8F0
+@081BA7BA:
+	cmp r0, 0x2
+	bgt @081BA7C8
+	cmp r0, 0
+	beq @081BA7D6
+	cmp r0, 0x1
+	beq @081BA892
+	b @081BAA28
+@081BA7C8:
+	cmp r0, 0xD0
+	bne @081BA7CE
+	b @081BA93C
+@081BA7CE:
+	cmp r0, 0xD1
+	bne @081BA7D4
+	b @081BA9D6
+@081BA7D4:
+	b @081BAA28
+@081BA7D6:
+	movs r3, 0xE
+	movs r5, 0x3
+	ldr r0, =0x04000120
+	ldrh r0, [r0, 0x6]
+	adds r1, r0, 0
+	ldr r0, =0x0000ffff
+	ldrb r2, [r7, 0x1E]
+	adds r6, r2, 0
+	cmp r1, r0
+	bne @081BA7FE
+	adds r4, r1, 0
+	ldr r1, =0x04000126
+@081BA7EE:
+	asrs r3, 1
+	subs r1, 0x2
+	subs r5, 0x1
+	cmp r5, 0
+	beq @081BA7FE
+	ldrh r0, [r1]
+	cmp r0, r4
+	beq @081BA7EE
+@081BA7FE:
+	movs r0, 0xE
+	ands r3, r0
+	strb r3, [r7, 0x1D]
+	movs r5, 0x3
+	ldr r0, =0x04000120
+	ldrh r0, [r0, 0x6]
+	adds r4, r0, 0
+	asrs r0, r2, 3
+	movs r1, 0x1
+	ands r0, r1
+	cmp r0, 0
+	beq @081BA82C
+	ldr r0, =0x00007208
+	b @081BA852
+	.align 2, 0
+	.pool
+@081BA82C:
+	subs r5, 0x1
+	cmp r5, 0
+	beq @081BA858
+	lsls r0, r5, 1
+	ldr r1, =0x04000120
+	adds r0, r1
+	ldrh r0, [r0]
+	adds r4, r0, 0
+	adds r0, r2, 0
+	asrs r0, r5
+	movs r1, 0x1
+	ands r0, r1
+	cmp r0, 0
+	beq @081BA82C
+	adds r0, r1, 0
+	lsls r0, r5
+	movs r1, 0xE4
+	lsls r1, 7
+	orrs r0, r1
+@081BA852:
+	cmp r4, r0
+	beq @081BA82C
+	movs r3, 0
+@081BA858:
+	adds r0, r3, 0
+	ands r0, r6
+	strb r0, [r7, 0x1E]
+	cmp r3, 0
+	bne @081BA868
+	movs r0, 0xF
+	mov r2, r10
+	strb r0, [r2]
+@081BA868:
+	mov r1, r10
+	ldrb r0, [r1]
+	cmp r0, 0
+	bne @081BA884
+	ldrb r0, [r7, 0x1D]
+	ldrb r2, [r7, 0x1E]
+	cmp r0, r2
+	beq @081BA88A
+	adds r0, r7, 0
+	bl MultiBootStartProbe
+	b @081BA892
+	.align 2, 0
+	.pool
+@081BA884:
+	subs r0, 0x1
+	mov r1, r10
+	strb r0, [r1]
+@081BA88A:
+	ldrb r1, [r7, 0x1E]
+	movs r2, 0xC4
+	lsls r2, 7
+	b @081BA992
+@081BA892:
+	adds r1, r7, 0
+	adds r1, 0x49
+	movs r0, 0
+	strb r0, [r1]
+	movs r5, 0x3
+	mov r12, r1
+	ldr r3, =0x0300129c
+@081BA8A0:
+	lsls r0, r5, 1
+	ldr r2, =0x04000120
+	adds r0, r2
+	ldrh r0, [r0]
+	adds r4, r0, 0
+	asrs r0, r4, 8
+	subs r2, r5, 0x1
+	cmp r0, 0x72
+	bne @081BA8CA
+	lsls r0, r2, 1
+	adds r0, r3
+	strh r4, [r0]
+	movs r0, 0xFF
+	ands r4, r0
+	movs r0, 0x1
+	lsls r0, r5
+	cmp r4, r0
+	bne @081BA8CA
+	ldrb r0, [r1]
+	orrs r4, r0
+	strb r4, [r1]
+@081BA8CA:
+	adds r5, r2, 0
+	cmp r5, 0
+	bne @081BA8A0
+	ldrb r0, [r7, 0x1D]
+	mov r1, r12
+	ldrb r1, [r1]
+	cmp r0, r1
+	bne @081BA88A
+	movs r0, 0x2
+	strb r0, [r7, 0x18]
+	mov r2, r12
+	ldrb r1, [r2]
+	movs r2, 0xC2
+	lsls r2, 7
+	b @081BA992
+	.align 2, 0
+	.pool
+@081BA8F0:
+	movs r5, 0x3
+	movs r0, 0x49
+	adds r0, r7
+	mov r12, r0
+	mov r4, r12
+	movs r6, 0x1
+	ldr r1, =0x0300129c
+	mov r9, r1
+	ldr r2, =0x04000120
+	mov r8, r2
+@081BA904:
+	ldrb r3, [r4]
+	adds r0, r3, 0
+	asrs r0, r5
+	ands r0, r6
+	subs r2, r5, 0x1
+	cmp r0, 0
+	beq @081BA92A
+	lsls r0, r5, 1
+	add r0, r8
+	ldrh r1, [r0]
+	lsls r0, r2, 1
+	add r0, r9
+	ldrh r0, [r0]
+	cmp r1, r0
+	beq @081BA92A
+	adds r0, r6, 0
+	lsls r0, r5
+	eors r3, r0
+	strb r3, [r4]
+@081BA92A:
+	adds r5, r2, 0
+	cmp r5, 0
+	bne @081BA904
+	b @081BAA90
+	.align 2, 0
+	.pool
+@081BA93C:
+	movs r3, 0x1
+	movs r5, 0x3
+	movs r0, 0x49
+	adds r0, r7
+	mov r12, r0
+	adds r6, r7, 0
+	adds r6, 0x19
+	ldr r1, =0x0300129c
+	mov r8, r1
+@081BA94E:
+	lsls r0, r5, 1
+	ldr r2, =0x04000120
+	adds r0, r2
+	ldrh r0, [r0]
+	adds r4, r0, 0
+	subs r2, r5, 0x1
+	adds r0, r6, r2
+	strb r4, [r0]
+	mov r0, r12
+	ldrb r1, [r0]
+	asrs r1, r5
+	movs r0, 0x1
+	ands r1, r0
+	cmp r1, 0
+	beq @081BA982
+	asrs r0, r4, 8
+	subs r0, 0x72
+	cmp r0, 0x1
+	bls @081BA976
+	b @081BAAE0
+@081BA976:
+	lsls r0, r2, 1
+	add r0, r8
+	ldrh r0, [r0]
+	cmp r4, r0
+	bne @081BA982
+	movs r3, 0
+@081BA982:
+	adds r5, r2, 0
+	cmp r5, 0
+	bne @081BA94E
+	cmp r3, 0
+	bne @081BA9A8
+	ldrb r1, [r7, 0x1C]
+	movs r2, 0xC6
+	lsls r2, 7
+@081BA992:
+	adds r0, r2, 0
+	orrs r1, r0
+	adds r0, r7, 0
+	bl MultiBootSend
+	b @081BAAEC
+	.align 2, 0
+	.pool
+@081BA9A8:
+	movs r0, 0xD1
+	strb r0, [r7, 0x18]
+	movs r3, 0x11
+	movs r5, 0x3
+	adds r1, r6, 0x2
+@081BA9B2:
+	ldrb r0, [r1]
+	adds r3, r0
+	subs r1, 0x1
+	subs r5, 0x1
+	cmp r5, 0
+	bne @081BA9B2
+	strb r3, [r7, 0x14]
+	movs r0, 0xFF
+	ands r3, r0
+	movs r1, 0xC8
+	lsls r1, 7
+	adds r0, r1, 0
+	orrs r3, r0
+	adds r0, r7, 0
+	adds r1, r3, 0
+	bl MultiBootSend
+	b @081BAAEC
+@081BA9D6:
+	movs r5, 0x3
+	movs r2, 0x49
+	ldrb r1, [r2, r7]
+	ldr r2, =0x04000126
+	movs r3, 0x1
+@081BA9E0:
+	ldrh r0, [r2]
+	adds r4, r0, 0
+	adds r0, r1, 0
+	asrs r0, r5
+	ands r0, r3
+	cmp r0, 0
+	beq @081BA9F4
+	asrs r0, r4, 8
+	cmp r0, 0x73
+	bne @081BAAE0
+@081BA9F4:
+	subs r2, 0x2
+	subs r5, 0x1
+	cmp r5, 0
+	bne @081BA9E0
+	adds r0, r7, 0
+	bl MultiBoot
+	adds r5, r0, 0
+	cmp r5, 0
+	bne @081BAA18
+	movs r0, 0xE0
+	strb r0, [r7, 0x18]
+	adds r0, 0xB0
+	strh r0, [r7, 0x16]
+	b @081BAAEA
+	.align 2, 0
+	.pool
+@081BAA18:
+	adds r0, r7, 0
+	bl MultiBootInit
+	movs r0, 0x1E
+	mov r1, r10
+	strb r0, [r1]
+	movs r0, 0x70
+	b @081BAAEC
+@081BAA28:
+	movs r5, 0x3
+	movs r2, 0x49
+	adds r2, r7
+	mov r12, r2
+	mov r8, r12
+	movs r0, 0x1
+	mov r9, r0
+@081BAA36:
+	mov r1, r8
+	ldrb r6, [r1]
+	adds r0, r6, 0
+	asrs r0, r5
+	mov r2, r9
+	ands r0, r2
+	cmp r0, 0
+	beq @081BAA70
+	lsls r0, r5, 1
+	ldr r1, =0x04000120
+	adds r0, r1
+	ldrh r0, [r0]
+	adds r4, r0, 0
+	asrs r2, r4, 8
+	ldrb r0, [r7, 0x18]
+	lsrs r0, 1
+	movs r1, 0x62
+	subs r1, r0
+	mov r3, r9
+	lsls r3, r5
+	cmp r2, r1
+	bne @081BAA6A
+	movs r0, 0xFF
+	ands r4, r0
+	cmp r4, r3
+	beq @081BAA70
+@081BAA6A:
+	eors r6, r3
+	mov r2, r8
+	strb r6, [r2]
+@081BAA70:
+	subs r5, 0x1
+	cmp r5, 0
+	bne @081BAA36
+	ldrb r0, [r7, 0x18]
+	cmp r0, 0xC4
+	bne @081BAA90
+	mov r0, r12
+	ldrb r1, [r0]
+	movs r0, 0xE
+	ands r0, r1
+	strb r0, [r7, 0x1E]
+	strb r5, [r7, 0x18]
+	b @081BA88A
+	.align 2, 0
+	.pool
+@081BAA90:
+	mov r1, r12
+	ldrb r0, [r1]
+	cmp r0, 0
+	bne @081BAAA2
+	adds r0, r7, 0
+	bl MultiBootInit
+	movs r0, 0x50
+	b @081BAAEC
+@081BAAA2:
+	ldrb r0, [r7, 0x18]
+	adds r0, 0x2
+	strb r0, [r7, 0x18]
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0xC4
+	bne @081BAAB2
+	b @081BA88A
+@081BAAB2:
+	ldrb r0, [r7, 0x18]
+	ldr r1, [r7, 0x28]
+	adds r0, r1
+	subs r1, r0, 0x3
+	ldrb r2, [r1]
+	lsls r2, 8
+	subs r0, 0x4
+	ldrb r1, [r0]
+	orrs r1, r2
+	adds r0, r7, 0
+	bl MultiBootSend
+	adds r5, r0, 0
+	cmp r5, 0
+	bne @081BAAEC
+	adds r0, r7, 0
+	adds r0, 0x4B
+	ldrb r0, [r0]
+	cmp r0, 0x1
+	bne @081BAAEA
+@081BAADA:
+	bl MultiBootWaitSendDone
+	b @081BA736
+@081BAAE0:
+	adds r0, r7, 0
+	bl MultiBootInit
+	movs r0, 0x60
+	b @081BAAEC
+@081BAAEA:
+	movs r0, 0
+@081BAAEC:
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	thumb_func_end MultiBootMain
+
+	thumb_func_start MultiBootSend
+; int MultiBootSend(MultiBootParam *mp, u16 data)
+MultiBootSend: ; 81BAAFC
+	push {r4,lr}
+	adds r2, r0, 0
+	lsls r1, 16
+	lsrs r1, 16
+	ldr r3, =0x04000128
+	ldrh r0, [r3]
+	movs r4, 0x8C
+	ands r4, r0
+	cmp r4, 0x8
+	bne @081BAB34
+	ldr r0, =0x0400012a
+	strh r1, [r0]
+	ldr r1, =0x00002083
+	adds r0, r1, 0
+	strh r0, [r3]
+	adds r1, r2, 0
+	adds r1, 0x48
+	movs r0, 0x1
+	strb r0, [r1]
+	movs r0, 0
+	b @081BAB40
+	.align 2, 0
+	.pool
+@081BAB34:
+	adds r0, r2, 0
+	bl MultiBootInit
+	movs r0, 0x8
+	eors r4, r0
+	adds r0, r4, 0
+@081BAB40:
+	pop {r4}
+	pop {r1}
+	bx r1
+	thumb_func_end MultiBootSend
+
+	thumb_func_start MultiBootStartProbe
+; void MultiBootStartProbe(MultiBootParam *mp)
+MultiBootStartProbe: ; 81BAB48
+	push {lr}
+	adds r1, r0, 0
+	ldrb r0, [r1, 0x18]
+	cmp r0, 0
+	beq @081BAB5A
+	adds r0, r1, 0
+	bl MultiBootInit
+	b @081BAB66
+@081BAB5A:
+	adds r2, r1, 0
+	adds r2, 0x4A
+	strb r0, [r2]
+	strb r0, [r1, 0x1E]
+	movs r0, 0x1
+	strb r0, [r1, 0x18]
+@081BAB66:
+	pop {r0}
+	bx r0
+	thumb_func_end MultiBootStartProbe
+
+	thumb_func_start MultiBootStartMaster
+; void MultiBootStartMaster(MultiBootParam *mp, u8 *srcp, int length, u8 palette_color, s8 palette_speed)
+MultiBootStartMaster: ; 81BAB6C
+	push {r4-r7,lr}
+	adds r4, r0, 0
+	adds r6, r1, 0
+	ldr r0, [sp, 0x14]
+	lsls r3, 24
+	lsrs r5, r3, 24
+	lsls r0, 24
+	lsrs r7, r0, 24
+	movs r3, 0
+	ldrb r0, [r4, 0x18]
+	cmp r0, 0
+	bne @081BABA8
+	ldrb r0, [r4, 0x1E]
+	cmp r0, 0
+	beq @081BABA8
+	adds r0, r4, 0
+	adds r0, 0x4A
+	ldrb r0, [r0]
+	cmp r0, 0
+	bne @081BABA8
+	str r6, [r4, 0x20]
+	adds r2, 0xF
+	movs r0, 0x10
+	negs r0, r0
+	ands r2, r0
+	subs r0, 0xF0
+	adds r1, r2, r0
+	ldr r0, =0x0003ff00
+	cmp r1, r0
+	bls @081BABB4
+@081BABA8:
+	adds r0, r4, 0
+	bl MultiBootInit
+	b @081BAC28
+	.align 2, 0
+	.pool
+@081BABB4:
+	adds r0, r6, r2
+	str r0, [r4, 0x24]
+	lsls r1, r7, 24
+	movs r2, 0x80
+	lsls r2, 19
+	adds r0, r1, r2
+	asrs r0, 24
+	adds r2, r1, 0
+	cmp r0, 0x8
+	bhi @081BAC14
+	lsls r0, 2
+	ldr r1, =@081BABD8
+	adds r0, r1
+	ldr r0, [r0]
+	mov pc, r0
+	.align 2, 0
+	.pool
+	.align 2, 0
+@081BABD8:
+	.4byte @081BABFC
+	.4byte @081BABFC
+	.4byte @081BABFC
+	.4byte @081BABFC
+	.4byte @081BAC06
+	.4byte @081BAC0C
+	.4byte @081BAC0C
+	.4byte @081BAC0C
+	.4byte @081BAC0C
+@081BABFC:
+	lsls r3, r5, 3
+	asrs r1, r2, 24
+	movs r0, 0x3
+	subs r0, r1
+	b @081BAC12
+@081BAC06:
+	movs r0, 0x38
+	adds r3, r5, 0
+	b @081BAC12
+@081BAC0C:
+	lsls r3, r5, 3
+	asrs r0, r2, 24
+	subs r0, 0x1
+@081BAC12:
+	orrs r3, r0
+@081BAC14:
+	movs r0, 0x3F
+	ands r3, r0
+	lsls r0, r3, 1
+	movs r2, 0x7F
+	negs r2, r2
+	adds r1, r2, 0
+	orrs r0, r1
+	strb r0, [r4, 0x1C]
+	movs r0, 0xD0
+	strb r0, [r4, 0x18]
+@081BAC28:
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	thumb_func_end MultiBootStartMaster
+
+	thumb_func_start MultiBootCheckComplete
+; s32 MultiBootCheckComplete(MultiBootParam *mp)
+MultiBootCheckComplete: ; 81BAC30
+	push {lr}
+	ldrb r0, [r0, 0x18]
+	cmp r0, 0xE9
+	beq @081BAC3C
+	movs r0, 0
+	b @081BAC3E
+@081BAC3C:
+	movs r0, 0x1
+@081BAC3E:
+	pop {r1}
+	bx r1
+	thumb_func_end MultiBootCheckComplete
+
+	thumb_func_start MultiBootHandShake
+; int MultiBootHandShake(MultiBootParam *mp)
+MultiBootHandShake: ; 81BAC44
+	push {r4-r6,lr}
+	adds r3, r0, 0
+	ldrb r0, [r3, 0x18]
+	cmp r0, 0xE0
+	beq @081BAC60
+	cmp r0, 0xE0
+	blt @081BAC70
+	cmp r0, 0xE8
+	bgt @081BAC70
+	cmp r0, 0xE7
+	blt @081BAC70
+	movs r4, 0x3
+	ldrb r5, [r3, 0x1E]
+	b @081BACD0
+@081BAC60:
+	movs r1, 0
+	movs r0, 0xE1
+	strb r0, [r3, 0x18]
+	str r1, [r3, 0x4]
+	movs r0, 0x80
+	lsls r0, 13
+	str r0, [r3]
+	b @081BACC2
+@081BAC70:
+	movs r4, 0x3
+	ldrb r5, [r3, 0x1E]
+	movs r6, 0x1
+	ldr r1, =0x04000126
+@081BAC78:
+	ldrh r0, [r1]
+	adds r2, r0, 0
+	adds r0, r5, 0
+	asrs r0, r4
+	ands r0, r6
+	cmp r0, 0
+	beq @081BAC8C
+	ldr r0, [r3, 0x4]
+	cmp r2, r0
+	bne @081BAC60
+@081BAC8C:
+	subs r1, 0x2
+	subs r4, 0x1
+	cmp r4, 0
+	bne @081BAC78
+	ldrb r0, [r3, 0x18]
+	adds r0, 0x1
+	strb r0, [r3, 0x18]
+	ldr r1, [r3]
+	ldrh r0, [r3]
+	str r0, [r3, 0x4]
+	cmp r1, 0
+	bne @081BACBA
+	ldr r0, [r3, 0x28]
+	adds r1, r0, 0
+	adds r1, 0xAC
+	ldrb r1, [r1]
+	adds r0, 0xAD
+	ldrb r0, [r0]
+	lsls r0, 8
+	orrs r1, r0
+	str r1, [r3, 0x4]
+	lsls r1, 5
+	str r1, [r3]
+@081BACBA:
+	ldr r0, [r3]
+	lsrs r0, 5
+	str r0, [r3]
+@081BACC0:
+	ldrh r1, [r3]
+@081BACC2:
+	adds r0, r3, 0
+	bl MultiBootSend
+	b @081BAD28
+	.align 2, 0
+	.pool
+@081BACD0:
+	lsls r0, r4, 1
+	ldr r1, =0x04000120
+	adds r0, r1
+	ldrh r0, [r0]
+	adds r2, r0, 0
+	adds r0, r5, 0
+	asrs r0, r4
+	movs r1, 0x1
+	ands r0, r1
+	cmp r0, 0
+	beq @081BACEC
+	ldr r0, [r3, 0x4]
+	cmp r2, r0
+	bne @081BAD1C
+@081BACEC:
+	subs r4, 0x1
+	cmp r4, 0
+	bne @081BACD0
+	ldrb r0, [r3, 0x18]
+	adds r0, 0x1
+	strb r0, [r3, 0x18]
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, 0xE9
+	beq @081BAD26
+	ldr r0, [r3, 0x28]
+	adds r1, r0, 0
+	adds r1, 0xAE
+	ldrb r1, [r1]
+	adds r0, 0xAF
+	ldrb r0, [r0]
+	lsls r0, 8
+	orrs r1, r0
+	str r1, [r3]
+	str r1, [r3, 0x4]
+	b @081BACC0
+	.align 2, 0
+	.pool
+@081BAD1C:
+	adds r0, r3, 0
+	bl MultiBootInit
+	movs r0, 0x71
+	b @081BAD28
+@081BAD26:
+	movs r0, 0
+@081BAD28:
+	pop {r4-r6}
+	pop {r1}
+	bx r1
+	thumb_func_end MultiBootHandShake
+
+	thumb_func_start MultiBootWaitCycles
+; void MultiBootWaitCycles(u32 cycles)
+MultiBootWaitCycles: ; 81BAD30
+	mov r2, pc
+	lsrs r2, 24
+	movs r1, 0xC
+	cmp r2, 0x2
+	beq @081BAD42
+	movs r1, 0xD
+	cmp r2, 0x8
+	beq @081BAD42
+	movs r1, 0x4
+@081BAD42:
+	subs r0, r1
+	bgt @081BAD42
+	bx lr
+	thumb_func_end MultiBootWaitCycles
+
+	thumb_func_start MultiBootWaitSendDone
+; void MultiBootWaitSendDone(void)
+MultiBootWaitSendDone: ; 81BAD48
+	push {r4,r5,lr}
+	movs r2, 0
+	ldr r3, =0x04000128
+	ldrh r1, [r3]
+	movs r0, 0x80
+	ands r0, r1
+	cmp r0, 0
+	beq @081BAD6C
+	ldr r5, =0x0000795c
+	movs r4, 0x80
+@081BAD5C:
+	adds r2, 0x1
+	cmp r2, r5
+	bgt @081BAD6C
+	ldrh r1, [r3]
+	adds r0, r4, 0
+	ands r0, r1
+	cmp r0, 0
+	bne @081BAD5C
+@081BAD6C:
+	movs r0, 0x96
+	lsls r0, 2
+	bl MultiBootWaitCycles
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end MultiBootWaitSendDone
diff --git a/data/data2.s b/data/data2.s
index 794eb79d6..2c93284ec 100644
--- a/data/data2.s
+++ b/data/data2.s
@@ -12296,11 +12296,15 @@ gUnknown_089A3470: ; 89A3470
 gUnknown_089A6550: ; 89A6550
 	.incbin "base_emerald.gba", 0x9a6550, 0xc0
 
-gUnknown_089A6610: ; 89A6610
+gMultiBootProgram_BerryGlitchFix_Start: ; 89A6610
 	.incbin "base_emerald.gba", 0x9a6610, 0x3b34
+gMultiBootProgram_BerryGlitchFix_End:
 
-gUnknown_089AA144: ; 89AA144
-	.incbin "base_emerald.gba", 0x9aa144, 0x155ebc
+gMultiBootProgram_PokemonColosseum_Start: ; 89AA144
+	.incbin "base_emerald.gba", 0x9aa144, 0x28000
+gMultiBootProgram_PokemonColosseum_End:
+
+	zero_fill 0x8B00000 - 0x89D2144
 
 ; 8B00000
 	.include "data/graphics/pokemon/mon_front_pics.s"