sub_804BBE8 and new DmaCopy macros

3 files changed, 126 insertions, 588 deletions

diff --git a/asm/trade.s b/asm/trade.s
index 5a57bf8d3..ffacff8b3 100644
--- a/asm/trade.s
+++ b/asm/trade.s
@@ -1845,591 +1845,4 @@ sub_804BBCC: @ 804BBCC
 	bx r0
 	thumb_func_end sub_804BBCC
 
-	thumb_func_start sub_804BBE8
-sub_804BBE8: @ 804BBE8
-	push {r4-r7,lr}
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x7
-	bls _0804BBF4
-	b _0804C0CA
-_0804BBF4:
-	lsls r0, 2
-	ldr r1, _0804BC00 @ =_0804BC04
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_0804BC00: .4byte _0804BC04
-	.align 2, 0
-_0804BC04:
-	.4byte _0804BC24
-	.4byte _0804BCC4
-	.4byte _0804BD5C
-	.4byte _0804BDA4
-	.4byte _0804BE48
-	.4byte _0804BEF8
-	.4byte _0804BFA0
-	.4byte _0804C060
-_0804BC24:
-	ldr r0, _0804BCA0 @ =gUnknown_0820C9F8
-	movs r1, 0x10
-	movs r2, 0xA0
-	bl LoadPalette
-	ldr r3, _0804BCA4 @ =gUnknown_0820CA98
-	ldr r4, _0804BCA8 @ =0x06004000
-	movs r5, 0x98
-	lsls r5, 5
-	ldr r1, _0804BCAC @ =0x040000d4
-	ldr r6, _0804BCB0 @ =0x80000800
-	movs r2, 0x80
-	lsls r2, 5
-	movs r7, 0x80
-	lsls r7, 24
-_0804BC42:
-	str r3, [r1]
-	str r4, [r1, 0x4]
-	str r6, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	adds r3, r2
-	adds r4, r2
-	subs r5, r2
-	cmp r5, r2
-	bhi _0804BC42
-	str r3, [r1]
-	str r4, [r1, 0x4]
-	lsrs r0, r5, 1
-	orrs r0, r7
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	ldr r1, _0804BCB4 @ =gUnknown_0820F798
-	ldr r2, _0804BCB8 @ =0x06009000
-	ldr r0, _0804BCAC @ =0x040000d4
-	str r1, [r0]
-	str r2, [r0, 0x4]
-	ldr r1, _0804BCB0 @ =0x80000800
-	str r1, [r0, 0x8]
-	ldr r0, [r0, 0x8]
-	ldr r0, _0804BCBC @ =gUnknown_03004828
-	ldr r2, [r0]
-	movs r0, 0x8A
-	lsls r0, 1
-	adds r1, r2, r0
-	movs r0, 0
-	strh r0, [r1]
-	movs r3, 0x8B
-	lsls r3, 1
-	adds r1, r2, r3
-	movs r0, 0xB4
-	strh r0, [r1]
-	movs r1, 0x80
-	lsls r1, 19
-	movs r4, 0xBA
-	lsls r4, 5
-	adds r0, r4, 0
-	strh r0, [r1]
-	adds r1, 0xC
-	ldr r2, _0804BCC0 @ =0x00005206
-	adds r0, r2, 0
-	strh r0, [r1]
-	b _0804C0CA
-	.align 2, 0
-_0804BCA0: .4byte gUnknown_0820C9F8
-_0804BCA4: .4byte gUnknown_0820CA98
-_0804BCA8: .4byte 0x06004000
-_0804BCAC: .4byte 0x040000d4
-_0804BCB0: .4byte 0x80000800
-_0804BCB4: .4byte gUnknown_0820F798
-_0804BCB8: .4byte 0x06009000
-_0804BCBC: .4byte gUnknown_03004828
-_0804BCC0: .4byte 0x00005206
-_0804BCC4:
-	ldr r0, _0804BD3C @ =gUnknown_03004828
-	ldr r2, [r0]
-	movs r3, 0x89
-	lsls r3, 1
-	adds r1, r2, r3
-	movs r0, 0
-	strh r0, [r1]
-	movs r4, 0x88
-	lsls r4, 1
-	adds r0, r2, r4
-	movs r1, 0xAE
-	lsls r1, 1
-	strh r1, [r0]
-	ldr r0, _0804BD40 @ =REG_BG1VOFS
-	strh r1, [r0]
-	ldr r1, _0804BD44 @ =REG_BG1CNT
-	ldr r2, _0804BD48 @ =0x00008502
-	adds r0, r2, 0
-	strh r0, [r1]
-	ldr r0, _0804BD4C @ =gUnknown_08210798
-	ldr r2, _0804BD50 @ =0x06002800
-	movs r3, 0x80
-	lsls r3, 5
-	adds r1, 0xCA
-	str r0, [r1]
-	str r2, [r1, 0x4]
-	lsrs r0, r3, 1
-	movs r2, 0x80
-	lsls r2, 24
-	orrs r0, r2
-	str r0, [r1, 0x8]
-	ldr r4, [r1, 0x8]
-	ldr r4, _0804BD54 @ =gUnknown_0820CA98
-	movs r5, 0xC0
-	lsls r5, 19
-	movs r6, 0x98
-	lsls r6, 5
-	adds r7, r0, 0
-_0804BD10:
-	str r4, [r1]
-	str r5, [r1, 0x4]
-	str r7, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	adds r4, r3
-	adds r5, r3
-	subs r6, r3
-	cmp r6, r3
-	bhi _0804BD10
-	str r4, [r1]
-	str r5, [r1, 0x4]
-	lsrs r0, r6, 1
-	orrs r0, r2
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	movs r1, 0x80
-	lsls r1, 19
-	ldr r3, _0804BD58 @ =0x00001241
-	adds r0, r3, 0
-	strh r0, [r1]
-	b _0804C0CA
-	.align 2, 0
-_0804BD3C: .4byte gUnknown_03004828
-_0804BD40: .4byte REG_BG1VOFS
-_0804BD44: .4byte REG_BG1CNT
-_0804BD48: .4byte 0x00008502
-_0804BD4C: .4byte gUnknown_08210798
-_0804BD50: .4byte 0x06002800
-_0804BD54: .4byte gUnknown_0820CA98
-_0804BD58: .4byte 0x00001241
-_0804BD5C:
-	ldr r0, _0804BD8C @ =gUnknown_03004828
-	ldr r2, [r0]
-	movs r4, 0x88
-	lsls r4, 1
-	adds r0, r2, r4
-	movs r1, 0
-	strh r1, [r0]
-	movs r3, 0x89
-	lsls r3, 1
-	adds r0, r2, r3
-	strh r1, [r0]
-	movs r1, 0x80
-	lsls r1, 19
-	ldr r4, _0804BD90 @ =0x00001241
-	adds r0, r4, 0
-	strh r0, [r1]
-	ldr r1, _0804BD94 @ =gUnknown_08211798
-	ldr r2, _0804BD98 @ =0x06002800
-	ldr r0, _0804BD9C @ =0x040000d4
-	str r1, [r0]
-	str r2, [r0, 0x4]
-	ldr r1, _0804BDA0 @ =0x80000400
-	b _0804C0C6
-	.align 2, 0
-_0804BD8C: .4byte gUnknown_03004828
-_0804BD90: .4byte 0x00001241
-_0804BD94: .4byte gUnknown_08211798
-_0804BD98: .4byte 0x06002800
-_0804BD9C: .4byte 0x040000d4
-_0804BDA0: .4byte 0x80000400
-_0804BDA4:
-	movs r1, 0x80
-	lsls r1, 19
-	movs r2, 0x92
-	lsls r2, 5
-	adds r0, r2, 0
-	strh r0, [r1]
-	ldr r0, _0804BE24 @ =gUnknown_03004828
-	ldr r3, [r0]
-	movs r4, 0x82
-	lsls r4, 1
-	adds r1, r3, r4
-	movs r2, 0
-	movs r0, 0x40
-	strh r0, [r1]
-	adds r4, 0x2
-	adds r1, r3, r4
-	strh r0, [r1]
-	adds r0, 0xCC
-	adds r1, r3, r0
-	movs r0, 0x78
-	strh r0, [r1]
-	adds r4, 0x8
-	adds r1, r3, r4
-	ldr r0, _0804BE28 @ =0x0000ffba
-	strh r0, [r1]
-	movs r1, 0x8E
-	lsls r1, 1
-	adds r0, r3, r1
-	strh r2, [r0]
-	ldr r3, _0804BE2C @ =gUnknown_0820DD98
-	ldr r4, _0804BE30 @ =0x06004000
-	movs r5, 0xD0
-	lsls r5, 5
-	ldr r2, _0804BE34 @ =gUnknown_08211F98
-	mov r12, r2
-	ldr r1, _0804BE38 @ =0x040000d4
-	ldr r6, _0804BE3C @ =0x80000800
-	movs r2, 0x80
-	lsls r2, 5
-	movs r7, 0x80
-	lsls r7, 24
-_0804BDF6:
-	str r3, [r1]
-	str r4, [r1, 0x4]
-	str r6, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	adds r3, r2
-	adds r4, r2
-	subs r5, r2
-	cmp r5, r2
-	bhi _0804BDF6
-	str r3, [r1]
-	str r4, [r1, 0x4]
-	lsrs r0, r5, 1
-	orrs r0, r7
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	ldr r1, _0804BE40 @ =0x06009000
-	ldr r0, _0804BE38 @ =0x040000d4
-	mov r3, r12
-	str r3, [r0]
-	str r1, [r0, 0x4]
-	ldr r1, _0804BE44 @ =0x80000080
-	b _0804C0C6
-	.align 2, 0
-_0804BE24: .4byte gUnknown_03004828
-_0804BE28: .4byte 0x0000ffba
-_0804BE2C: .4byte gUnknown_0820DD98
-_0804BE30: .4byte 0x06004000
-_0804BE34: .4byte gUnknown_08211F98
-_0804BE38: .4byte 0x040000d4
-_0804BE3C: .4byte 0x80000800
-_0804BE40: .4byte 0x06009000
-_0804BE44: .4byte 0x80000080
-_0804BE48:
-	movs r1, 0x80
-	lsls r1, 19
-	ldr r4, _0804BED0 @ =0x00001441
-	adds r0, r4, 0
-	strh r0, [r1]
-	adds r1, 0xC
-	ldr r2, _0804BED4 @ =0x00001287
-	adds r0, r2, 0
-	strh r0, [r1]
-	ldr r0, _0804BED8 @ =gUnknown_03004828
-	ldr r3, [r0]
-	movs r4, 0x82
-	lsls r4, 1
-	adds r1, r3, r4
-	movs r2, 0
-	movs r0, 0x40
-	strh r0, [r1]
-	adds r0, 0xC6
-	adds r1, r3, r0
-	movs r0, 0x5C
-	strh r0, [r1]
-	adds r4, 0x14
-	adds r1, r3, r4
-	movs r0, 0x20
-	strh r0, [r1]
-	adds r0, 0xFA
-	adds r1, r3, r0
-	movs r0, 0x80
-	lsls r0, 3
-	strh r0, [r1]
-	movs r1, 0x8E
-	lsls r1, 1
-	adds r0, r3, r1
-	strh r2, [r0]
-	ldr r3, _0804BEDC @ =gUnknown_08213738
-	ldr r4, _0804BEE0 @ =0x06004000
-	movs r5, 0x81
-	lsls r5, 6
-	ldr r2, _0804BEE4 @ =gUnknown_08215778
-	mov r12, r2
-	ldr r1, _0804BEE8 @ =0x040000d4
-	ldr r6, _0804BEEC @ =0x80000800
-	movs r2, 0x80
-	lsls r2, 5
-	movs r7, 0x80
-	lsls r7, 24
-_0804BEA4:
-	str r3, [r1]
-	str r4, [r1, 0x4]
-	str r6, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	adds r3, r2
-	adds r4, r2
-	subs r5, r2
-	cmp r5, r2
-	bhi _0804BEA4
-	str r3, [r1]
-	str r4, [r1, 0x4]
-	lsrs r0, r5, 1
-	orrs r0, r7
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	ldr r1, _0804BEF0 @ =0x06009000
-	ldr r0, _0804BEE8 @ =0x040000d4
-	mov r3, r12
-	str r3, [r0]
-	str r1, [r0, 0x4]
-	ldr r1, _0804BEF4 @ =0x80000080
-	b _0804C0C6
-	.align 2, 0
-_0804BED0: .4byte 0x00001441
-_0804BED4: .4byte 0x00001287
-_0804BED8: .4byte gUnknown_03004828
-_0804BEDC: .4byte gUnknown_08213738
-_0804BEE0: .4byte 0x06004000
-_0804BEE4: .4byte gUnknown_08215778
-_0804BEE8: .4byte 0x040000d4
-_0804BEEC: .4byte 0x80000800
-_0804BEF0: .4byte 0x06009000
-_0804BEF4: .4byte 0x80000080
-_0804BEF8:
-	ldr r0, _0804BF78 @ =gUnknown_03004828
-	ldr r2, [r0]
-	movs r4, 0x88
-	lsls r4, 1
-	adds r0, r2, r4
-	movs r1, 0
-	strh r1, [r0]
-	movs r3, 0x89
-	lsls r3, 1
-	adds r0, r2, r3
-	strh r1, [r0]
-	ldr r1, _0804BF7C @ =REG_BG1CNT
-	ldr r4, _0804BF80 @ =0x00000502
-	adds r0, r4, 0
-	strh r0, [r1]
-	ldr r0, _0804BF84 @ =gUnknown_08D00000
-	movs r1, 0xC0
-	lsls r1, 19
-	bl LZDecompressVram
-	ldr r0, _0804BF88 @ =gUnknown_08D00524
-	ldr r4, _0804BF8C @ =0x02000000
-	movs r2, 0x80
-	lsls r2, 4
-	adds r1, r4, 0
-	bl CpuSet
-	ldr r0, _0804BF90 @ =gUnknown_08D004E0
-	movs r1, 0x70
-	movs r2, 0x20
-	bl LoadCompressedPalette
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0x2
-	bl FillPalette
-	movs r0, 0xE0
-	lsls r0, 7
-	adds r2, r0, 0
-	movs r1, 0xA0
-	lsls r1, 2
-_0804BF4C:
-	ldrh r0, [r4]
-	orrs r0, r2
-	strh r0, [r4]
-	adds r4, 0x2
-	subs r1, 0x1
-	cmp r1, 0
-	bne _0804BF4C
-	ldr r1, _0804BF8C @ =0x02000000
-	ldr r2, _0804BF94 @ =0x06002800
-	ldr r0, _0804BF98 @ =0x040000d4
-	str r1, [r0]
-	str r2, [r0, 0x4]
-	ldr r1, _0804BF9C @ =0x80000280
-	str r1, [r0, 0x8]
-	ldr r0, [r0, 0x8]
-	movs r0, 0x2
-	movs r1, 0xF
-	movs r2, 0x1B
-	movs r3, 0x12
-	bl MenuZeroFillWindowRect
-	b _0804C0CA
-	.align 2, 0
-_0804BF78: .4byte gUnknown_03004828
-_0804BF7C: .4byte REG_BG1CNT
-_0804BF80: .4byte 0x00000502
-_0804BF84: .4byte gUnknown_08D00000
-_0804BF88: .4byte gUnknown_08D00524
-_0804BF8C: .4byte 0x02000000
-_0804BF90: .4byte gUnknown_08D004E0
-_0804BF94: .4byte 0x06002800
-_0804BF98: .4byte 0x040000d4
-_0804BF9C: .4byte 0x80000280
-_0804BFA0:
-	movs r1, 0x80
-	lsls r1, 19
-	ldr r2, _0804C038 @ =0x00001441
-	adds r0, r2, 0
-	strh r0, [r1]
-	adds r1, 0xC
-	ldr r3, _0804C03C @ =0x00001287
-	adds r0, r3, 0
-	strh r0, [r1]
-	ldr r0, _0804C040 @ =gUnknown_03004828
-	ldr r3, [r0]
-	movs r4, 0x82
-	lsls r4, 1
-	adds r1, r3, r4
-	movs r2, 0
-	movs r0, 0x40
-	strh r0, [r1]
-	adds r0, 0xC6
-	adds r1, r3, r0
-	movs r0, 0x5C
-	strh r0, [r1]
-	adds r4, 0x14
-	adds r1, r3, r4
-	adds r0, 0xA4
-	strh r0, [r1]
-	adds r0, 0x1A
-	adds r1, r3, r0
-	movs r0, 0x80
-	strh r0, [r1]
-	subs r4, 0xC
-	adds r1, r3, r4
-	movs r0, 0x78
-	strh r0, [r1]
-	adds r0, 0x96
-	adds r1, r3, r0
-	movs r0, 0x50
-	strh r0, [r1]
-	movs r1, 0x8E
-	lsls r1, 1
-	adds r0, r3, r1
-	strh r2, [r0]
-	ldr r3, _0804C044 @ =gUnknown_08213738
-	ldr r4, _0804C048 @ =0x06004000
-	movs r5, 0x81
-	lsls r5, 6
-	ldr r2, _0804C04C @ =gUnknown_08215778
-	mov r12, r2
-	ldr r1, _0804C050 @ =0x040000d4
-	ldr r6, _0804C054 @ =0x80000800
-	movs r2, 0x80
-	lsls r2, 5
-	movs r7, 0x80
-	lsls r7, 24
-_0804C00A:
-	str r3, [r1]
-	str r4, [r1, 0x4]
-	str r6, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	adds r3, r2
-	adds r4, r2
-	subs r5, r2
-	cmp r5, r2
-	bhi _0804C00A
-	str r3, [r1]
-	str r4, [r1, 0x4]
-	lsrs r0, r5, 1
-	orrs r0, r7
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	ldr r1, _0804C058 @ =0x06009000
-	ldr r0, _0804C050 @ =0x040000d4
-	mov r3, r12
-	str r3, [r0]
-	str r1, [r0, 0x4]
-	ldr r1, _0804C05C @ =0x80000080
-	b _0804C0C6
-	.align 2, 0
-_0804C038: .4byte 0x00001441
-_0804C03C: .4byte 0x00001287
-_0804C040: .4byte gUnknown_03004828
-_0804C044: .4byte gUnknown_08213738
-_0804C048: .4byte 0x06004000
-_0804C04C: .4byte gUnknown_08215778
-_0804C050: .4byte 0x040000d4
-_0804C054: .4byte 0x80000800
-_0804C058: .4byte 0x06009000
-_0804C05C: .4byte 0x80000080
-_0804C060:
-	ldr r0, _0804C0D0 @ =gUnknown_03004828
-	ldr r2, [r0]
-	movs r4, 0x8A
-	lsls r4, 1
-	adds r0, r2, r4
-	movs r1, 0
-	strh r1, [r0]
-	movs r3, 0x8B
-	lsls r3, 1
-	adds r0, r2, r3
-	strh r1, [r0]
-	ldr r1, _0804C0D4 @ =REG_BG2CNT
-	ldr r4, _0804C0D8 @ =0x00005206
-	adds r0, r4, 0
-	strh r0, [r1]
-	ldr r0, _0804C0DC @ =gUnknown_0820C9F8
-	movs r1, 0x10
-	movs r2, 0xA0
-	bl LoadPalette
-	ldr r3, _0804C0E0 @ =gUnknown_0820CA98
-	ldr r4, _0804C0E4 @ =0x06004000
-	movs r5, 0x98
-	lsls r5, 5
-	ldr r1, _0804C0E8 @ =0x040000d4
-	ldr r6, _0804C0EC @ =0x80000800
-	movs r2, 0x80
-	lsls r2, 5
-	movs r7, 0x80
-	lsls r7, 24
-_0804C09C:
-	str r3, [r1]
-	str r4, [r1, 0x4]
-	str r6, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	adds r3, r2
-	adds r4, r2
-	subs r5, r2
-	cmp r5, r2
-	bhi _0804C09C
-	str r3, [r1]
-	str r4, [r1, 0x4]
-	lsrs r0, r5, 1
-	orrs r0, r7
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	ldr r1, _0804C0F0 @ =gUnknown_0820F798
-	ldr r2, _0804C0F4 @ =0x06009000
-	ldr r0, _0804C0E8 @ =0x040000d4
-	str r1, [r0]
-	str r2, [r0, 0x4]
-	ldr r1, _0804C0EC @ =0x80000800
-_0804C0C6:
-	str r1, [r0, 0x8]
-	ldr r0, [r0, 0x8]
-_0804C0CA:
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0804C0D0: .4byte gUnknown_03004828
-_0804C0D4: .4byte REG_BG2CNT
-_0804C0D8: .4byte 0x00005206
-_0804C0DC: .4byte gUnknown_0820C9F8
-_0804C0E0: .4byte gUnknown_0820CA98
-_0804C0E4: .4byte 0x06004000
-_0804C0E8: .4byte 0x040000d4
-_0804C0EC: .4byte 0x80000800
-_0804C0F0: .4byte gUnknown_0820F798
-_0804C0F4: .4byte 0x06009000
-	thumb_func_end sub_804BBE8
-
 	.align 2, 0 @ Don't pad with nop.
diff --git a/include/gba/macro.h b/include/gba/macro.h
index 230fb4383..1e0254806 100644
--- a/include/gba/macro.h
+++ b/include/gba/macro.h
@@ -84,4 +84,38 @@
     dmaRegs[5];                                                 \
 }
 
+#define DmaCopyLarge(dmaNum, src, dest, size, block, bit) \
+{                                                         \
+    const void *_src = src;                               \
+    void *_dest = dest;                                   \
+    u32 _size = size;                                     \
+    while (1)                                             \
+    {                                                     \
+        DmaCopy##bit(dmaNum, _src, _dest, (block));       \
+        _src += (block);                                  \
+        _dest += (block);                                 \
+        _size -= (block);                                 \
+        if (_size <= (block))                             \
+        {                                                 \
+            DmaCopy##bit(dmaNum, _src, _dest, _size);     \
+            break;                                        \
+        }                                                 \
+    }                                                     \
+}
+
+#define DmaCopyLarge16(dmaNum, src, dest, size, block) DmaCopyLarge(dmaNum, src, dest, size, block, 16)
+
+#define DmaCopyLarge32(dmaNum, src, dest, size, block) DmaCopyLarge(dmaNum, src, dest, size, block, 32)
+
+#define DmaCopyDefvars(dmaNum, src, dest, size, bit) \
+{                                                    \
+    const void *_src = src;                          \
+    void *_dest = dest;                              \
+    u32 _size = size;                                \
+    DmaCopy##bit(dmaNum, _src, _dest, _size);        \
+}
+
+#define DmaCopy16Defvars(dmaNum, src, dest, size) DmaCopyDefvars(dmaNum, src, dest, size, 16)
+#define DmaCopy32Defvars(dmaNum, src, dest, size) DmaCopyDefvars(dmaNum, src, dest, size, 32)
+
 #endif // GUARD_GBA_MACRO_H
diff --git a/src/trade.c b/src/trade.c
index a1ca4a173..3da3e2d11 100644
--- a/src/trade.c
+++ b/src/trade.c
@@ -146,7 +146,9 @@ struct TradeEwramSubstruct2 {
     /*0x00c6*/ u8 filler_00c6[0x3c];
     /*0x0102*/ u8 unk_0102;
     /*0x0103*/ u8 unk_0103;
-    /*0x0104*/ u8 filler_0104[0x08];
+    /*0x0104*/ u16 unk_0104;
+    /*0x0106*/ u16 unk_0106;
+    /*0x0108*/ u8 filler_0108[0x04];
     /*0x010c*/ u16 unk_010c;
     /*0x010e*/ s16 unk_010e;
     /*0x0110*/ s16 unk_0110;
@@ -3500,6 +3502,95 @@ static bool8 sub_804ABF8(void)
 
 asm(".section .text.sub_804DAD4");
 
+void sub_804BBE8(u8 a0)
+{
+    int i;
+    u16 *buffer;
+    switch (a0)
+    {
+        case 0:
+            LoadPalette(gUnknown_0820C9F8, 0x10, 0xa0);
+            DmaCopyLarge16(3, gUnknown_0820CA98, (void *)BG_CHAR_ADDR(1), 0x1300, 0x1000);
+            DmaCopy16Defvars(3, gUnknown_0820F798, (void *)BG_SCREEN_ADDR(18), 0x1000);
+            gUnknown_03004828->unk_0114 = 0;
+            gUnknown_03004828->unk_0116 = 0xb4;
+            REG_DISPCNT = DISPCNT_MODE_0 | DISPCNT_OBJ_1D_MAP | DISPCNT_BG0_ON | DISPCNT_BG1_ON | DISPCNT_BG2_ON | DISPCNT_OBJ_ON;
+            REG_BG2CNT = BGCNT_PRIORITY(2) | BGCNT_CHARBASE(1) | BGCNT_SCREENBASE(18) | BGCNT_TXT512x256;
+            break;
+        case 1:
+            gUnknown_03004828->unk_0112 = 0;
+            gUnknown_03004828->unk_0110 = 0x15c;
+            REG_BG1VOFS = 0x15c;
+            REG_BG1CNT = BGCNT_PRIORITY(2) | BGCNT_CHARBASE(0) | BGCNT_SCREENBASE(5) | BGCNT_TXT256x512;
+
+            DmaCopy16Defvars(3, gUnknown_08210798, (void *)BG_SCREEN_ADDR(5), 0x1000);
+            DmaCopyLarge16(3, gUnknown_0820CA98, (void *)BG_CHAR_ADDR(0), 0x1300, 0x1000);
+            REG_DISPCNT = DISPCNT_MODE_1 | DISPCNT_OBJ_1D_MAP | DISPCNT_BG1_ON | DISPCNT_OBJ_ON;
+            break;
+        case 2:
+            gUnknown_03004828->unk_0110 = 0;
+            gUnknown_03004828->unk_0112 = 0;
+            REG_DISPCNT = DISPCNT_MODE_1 | DISPCNT_OBJ_1D_MAP | DISPCNT_BG1_ON | DISPCNT_OBJ_ON;
+            DmaCopy16Defvars(3, gUnknown_08211798, (void *)BG_SCREEN_ADDR(5), 0x800);
+            break;
+        case 3:
+            REG_DISPCNT = DISPCNT_MODE_0 | DISPCNT_OBJ_1D_MAP | DISPCNT_BG1_ON | DISPCNT_OBJ_ON;
+            gUnknown_03004828->unk_0104 = 0x40;
+            gUnknown_03004828->unk_0106 = 0x40;
+            gUnknown_03004828->unk_010c = 0x78;
+            gUnknown_03004828->unk_010e = -0x46;
+            gUnknown_03004828->unk_011c = 0;
+            DmaCopyLarge16(3, gUnknown_0820DD98, (void *)BG_CHAR_ADDR(1), 0x1a00, 0x1000);
+            DmaCopy16Defvars(3, gUnknown_08211F98, (void *)BG_SCREEN_ADDR(18), 0x100);
+            break;
+        case 4:
+            REG_DISPCNT = DISPCNT_MODE_1 | DISPCNT_OBJ_1D_MAP | DISPCNT_BG2_ON | DISPCNT_OBJ_ON;
+            REG_BG2CNT = BGCNT_PRIORITY(3) | BGCNT_CHARBASE(1) | BGCNT_256COLOR | BGCNT_SCREENBASE(18);
+            gUnknown_03004828->unk_0104 = 0x40;
+            gUnknown_03004828->unk_0106 = 0x5c;
+            gUnknown_03004828->unk_0118 = 0x20;
+            gUnknown_03004828->unk_011a = 0x400;
+            gUnknown_03004828->unk_011c = 0;
+            DmaCopyLarge16(3, gUnknown_08213738, (void *)BG_CHAR_ADDR(1), 0x2040, 0x1000);
+            DmaCopy16Defvars(3, gUnknown_08215778, (void *)BG_SCREEN_ADDR(18), 0x100);
+            break;
+        case 5:
+            gUnknown_03004828->unk_0110 = 0;
+            gUnknown_03004828->unk_0112 = 0;
+            REG_BG1CNT = BGCNT_PRIORITY(2) | BGCNT_CHARBASE(0) | BGCNT_SCREENBASE(5);
+            LZDecompressVram(gUnknown_08D00000, (void *)BG_CHAR_ADDR(0));
+            CpuCopy16(gUnknown_08D00524, buffer = (u16 *)ewram, 0x1000);
+            LoadCompressedPalette(gUnknown_08D004E0, 0x70, 0x20);
+            FillPalette(0, 0, 2);
+            for (i = 0; i < 0x280; i ++)
+                buffer[i] |= 0x7000;
+            DmaCopy16Defvars(3, ewram, (void *)BG_SCREEN_ADDR(5), 0x500);
+            MenuZeroFillWindowRect(2, 15, 27, 18);
+            break;
+        case 6:
+            REG_DISPCNT = DISPCNT_MODE_1 | DISPCNT_OBJ_1D_MAP | DISPCNT_BG2_ON | DISPCNT_OBJ_ON;
+            REG_BG2CNT = BGCNT_PRIORITY(3) | BGCNT_CHARBASE(1) | BGCNT_256COLOR | BGCNT_SCREENBASE(18);
+            gUnknown_03004828->unk_0104 = 0x40;
+            gUnknown_03004828->unk_0106 = 0x5c;
+            gUnknown_03004828->unk_0118 = 0x100;
+            gUnknown_03004828->unk_011a = 0x80;
+            gUnknown_03004828->unk_010c = 0x78;
+            gUnknown_03004828->unk_010e = 0x50;
+            gUnknown_03004828->unk_011c = 0;
+            DmaCopyLarge16(3, gUnknown_08213738, (void *)BG_CHAR_ADDR(1), 0x2040, 0x1000);
+            DmaCopy16Defvars(3, gUnknown_08215778, (void *)BG_SCREEN_ADDR(18), 0x100);
+            break;
+        case 7:
+            gUnknown_03004828->unk_0114 = 0;
+            gUnknown_03004828->unk_0116 = 0;
+            REG_BG2CNT = BGCNT_PRIORITY(2) | BGCNT_CHARBASE(1) | BGCNT_SCREENBASE(18) | BGCNT_TXT512x256;
+            LoadPalette(gUnknown_0820C9F8, 0x10, 0xa0);
+            DmaCopyLarge16(3, gUnknown_0820CA98, (void *)BG_CHAR_ADDR(1), 0x1300, 0x1000);
+            DmaCopy16Defvars(3, gUnknown_0820F798, (void *)BG_SCREEN_ADDR(18), 0x1000);
+            break;
+    }
+}
+
 void sub_804C0F8(u8 a0)
 {
     if (a0 == 0)