Decompile dewford trend

7 files changed, 349 insertions, 983 deletions

diff --git a/asm/dewford_trend.s b/asm/dewford_trend.s
deleted file mode 100644
index 7d9d67902..000000000
--- a/asm/dewford_trend.s
+++ /dev/null
@@ -1,975 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start InitDewfordTrend
-InitDewfordTrend: @ 81224D4
-	push {r4-r7,lr}
-	movs r6, 0
-	ldr r5, =gSaveBlock1Ptr
-_081224DA:
-	movs r0, 0xA
-	bl sub_811EE38
-	ldr r1, [r5]
-	lsls r4, r6, 3
-	adds r1, r4
-	ldr r2, =0x00002e6c
-	adds r1, r2
-	strh r0, [r1]
-	bl Random
-	movs r1, 0x1
-	ands r1, r0
-	cmp r1, 0
-	beq _08122514
-	movs r0, 0xC
-	bl sub_811EE38
-	ldr r1, [r5]
-	adds r1, r4
-	ldr r7, =0x00002e6e
-	adds r1, r7
-	b _08122522
-	.pool
-_08122514:
-	movs r0, 0xD
-	bl sub_811EE38
-	ldr r1, [r5]
-	adds r1, r4
-	ldr r2, =0x00002e6e
-	adds r1, r2
-_08122522:
-	strh r0, [r1]
-	bl Random
-	ldr r3, [r5]
-	adds r3, r4
-	movs r2, 0x1
-	ands r2, r0
-	ldr r7, =0x00002e69
-	adds r3, r7
-	lsls r2, 6
-	ldrb r0, [r3]
-	movs r7, 0x41
-	negs r7, r7
-	adds r1, r7, 0
-	ands r0, r1
-	orrs r0, r2
-	strb r0, [r3]
-	ldr r0, =0x00002e68
-	adds r1, r4, r0
-	ldr r0, [r5]
-	adds r0, r1
-	bl sub_8122B28
-	adds r0, r6, 0x1
-	lsls r0, 16
-	lsrs r6, r0, 16
-	cmp r6, 0x4
-	bls _081224DA
-	ldr r0, =gSaveBlock1Ptr
-	ldr r0, [r0]
-	ldr r1, =0x00002e68
-	adds r0, r1
-	movs r1, 0x5
-	movs r2, 0
-	bl sub_8122804
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end InitDewfordTrend
-
-	thumb_func_start UpdateDewfordTrendPerDay
-UpdateDewfordTrendPerDay: @ 8122580
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x8
-	lsls r0, 16
-	lsrs r1, r0, 16
-	cmp r1, 0
-	bne _08122596
-	b _081226BE
-_08122596:
-	lsls r0, r1, 2
-	adds r0, r1
-	str r0, [sp]
-	movs r0, 0
-	mov r10, r0
-	movs r1, 0x7F
-	mov r9, r1
-	movs r2, 0x80
-	negs r2, r2
-	mov r8, r2
-_081225AA:
-	ldr r2, [sp]
-	mov r3, r10
-	lsls r0, r3, 3
-	ldr r4, =0x00002e68
-	adds r0, r4
-	ldr r3, =gSaveBlock1Ptr
-	ldr r1, [r3]
-	adds r5, r1, r0
-	ldrb r6, [r5, 0x1]
-	movs r0, 0x40
-	ands r0, r6
-	cmp r0, 0
-	bne _08122608
-	ldrb r4, [r5]
-	lsls r3, r4, 25
-	lsrs r1, r3, 25
-	lsls r0, r2, 16
-	lsrs r0, 16
-	cmp r1, r0
-	bcc _081225F8
-	adds r0, r1, 0
-	subs r0, r2
-	mov r1, r9
-	ands r0, r1
-	mov r1, r8
-	ands r1, r4
-	orrs r1, r0
-	strb r1, [r5]
-	movs r0, 0x7F
-	ands r1, r0
-	cmp r1, 0
-	bne _0812269E
-	movs r0, 0x40
-	orrs r0, r6
-	b _0812269C
-	.pool
-_081225F8:
-	lsrs r0, r3, 25
-	subs r2, r0
-	mov r0, r8
-	ands r0, r4
-	strb r0, [r5]
-	movs r0, 0x40
-	orrs r0, r6
-	strb r0, [r5, 0x1]
-_08122608:
-	ldrb r7, [r5]
-	lsls r0, r7, 25
-	lsrs r0, 25
-	adds r4, r0, r2
-	ldrh r0, [r5]
-	lsls r6, r0, 18
-	lsls r0, r4, 16
-	lsrs r0, 16
-	lsrs r1, r6, 25
-	cmp r0, r1
-	bls _08122678
-	adds r0, r4, 0
-	bl __umodsi3
-	adds r3, r0, 0
-	lsrs r1, r6, 25
-	adds r0, r4, 0
-	str r3, [sp, 0x4]
-	bl __udivsi3
-	adds r4, r0, 0
-	movs r0, 0x1
-	eors r4, r0
-	ands r4, r0
-	lsls r2, r4, 6
-	ldrb r0, [r5, 0x1]
-	movs r4, 0x41
-	negs r4, r4
-	adds r1, r4, 0
-	ands r0, r1
-	orrs r0, r2
-	strb r0, [r5, 0x1]
-	movs r1, 0x40
-	ands r0, r1
-	ldr r3, [sp, 0x4]
-	cmp r0, 0
-	beq _08122662
-	adds r1, r3, 0
-	mov r0, r9
-	ands r1, r0
-	mov r0, r8
-	ands r0, r7
-	orrs r0, r1
-	strb r0, [r5]
-	b _0812269E
-_08122662:
-	ldrh r0, [r5]
-	lsls r0, 18
-	lsrs r0, 25
-	subs r0, r3
-	mov r1, r9
-	ands r0, r1
-	mov r1, r8
-	ands r1, r7
-	orrs r1, r0
-	strb r1, [r5]
-	b _0812269E
-_08122678:
-	mov r2, r9
-	ands r4, r2
-	mov r0, r8
-	ands r0, r7
-	orrs r0, r4
-	strb r0, [r5]
-	lsls r0, 25
-	ldrh r1, [r5]
-	lsls r1, 18
-	lsrs r0, 25
-	lsrs r1, 25
-	cmp r0, r1
-	bne _0812269E
-	ldrb r0, [r5, 0x1]
-	movs r3, 0x41
-	negs r3, r3
-	adds r1, r3, 0
-	ands r0, r1
-_0812269C:
-	strb r0, [r5, 0x1]
-_0812269E:
-	mov r0, r10
-	adds r0, 0x1
-	lsls r0, 16
-	lsrs r0, 16
-	mov r10, r0
-	cmp r0, 0x4
-	bhi _081226AE
-	b _081225AA
-_081226AE:
-	ldr r4, =gSaveBlock1Ptr
-	ldr r0, [r4]
-	ldr r1, =0x00002e68
-	adds r0, r1
-	movs r1, 0x5
-	movs r2, 0
-	bl sub_8122804
-_081226BE:
-	add sp, 0x8
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end UpdateDewfordTrendPerDay
-
-	thumb_func_start sub_81226D8
-sub_81226D8: @ 81226D8
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	sub sp, 0x8
-	mov r8, r0
-	movs r0, 0
-	movs r1, 0
-	str r0, [sp]
-	str r1, [sp, 0x4]
-	mov r0, r8
-	bl sub_8122BB0
-	lsls r0, 24
-	cmp r0, 0
-	beq _081226F8
-	b _081227F2
-_081226F8:
-	ldr r4, =0x00000893
-	adds r0, r4, 0
-	bl FlagGet
-	lsls r0, 24
-	cmp r0, 0
-	bne _08122744
-	adds r0, r4, 0
-	bl FlagSet
-	ldr r0, =0x00000894
-	bl FlagGet
-	lsls r0, 24
-	cmp r0, 0
-	bne _08122744
-	ldr r0, =gSaveBlock1Ptr
-	ldr r1, [r0]
-	mov r0, r8
-	ldrh r2, [r0]
-	ldr r3, =0x00002e6c
-	adds r0, r1, r3
-	strh r2, [r0]
-	mov r2, r8
-	ldrh r0, [r2, 0x2]
-	adds r3, 0x2
-	adds r1, r3
-	strh r0, [r1]
-	movs r0, 0x1
-	b _081227F4
-	.pool
-_08122744:
-	mov r0, r8
-	ldrh r1, [r0, 0x2]
-	lsls r1, 16
-	ldrh r0, [r0]
-	orrs r0, r1
-	str r0, [sp, 0x4]
-	movs r1, 0x80
-	lsls r1, 7
-	ldr r0, [sp]
-	orrs r0, r1
-	str r0, [sp]
-	mov r0, sp
-	bl sub_8122B28
-	movs r5, 0
-_08122762:
-	ldr r6, =gSaveBlock1Ptr
-	lsls r4, r5, 3
-	ldr r1, =0x00002e68
-	adds r0, r4, r1
-	ldr r1, [r6]
-	adds r1, r0
-	mov r0, sp
-	movs r2, 0
-	bl atk90_changetypestoenemyattacktype
-	lsls r0, 24
-	adds r7, r4, 0
-	cmp r0, 0
-	beq _081227D4
-	movs r2, 0x4
-	mov r12, r6
-	cmp r2, r5
-	bls _081227A6
-	ldr r4, =0x00002e68
-_08122788:
-	ldr r0, [r6]
-	lsls r3, r2, 3
-	adds r0, r4
-	adds r3, r0, r3
-	subs r2, 0x1
-	lsls r1, r2, 3
-	adds r0, r1
-	ldr r1, [r0, 0x4]
-	ldr r0, [r0]
-	str r0, [r3]
-	str r1, [r3, 0x4]
-	lsls r2, 16
-	lsrs r2, 16
-	cmp r2, r5
-	bhi _08122788
-_081227A6:
-	mov r3, r12
-	ldr r2, [r3]
-	ldr r0, =0x00002e68
-	adds r2, r0
-	adds r2, r7
-	ldr r0, [sp]
-	ldr r1, [sp, 0x4]
-	str r0, [r2]
-	str r1, [r2, 0x4]
-	cmp r5, 0x4
-	bne _081227C2
-	mov r0, r8
-	bl sub_80EDC60
-_081227C2:
-	movs r0, 0
-	cmp r5, 0
-	bne _081227F4
-	movs r0, 0x1
-	b _081227F4
-	.pool
-_081227D4:
-	adds r0, r5, 0x1
-	lsls r0, 16
-	lsrs r5, r0, 16
-	cmp r5, 0x4
-	bls _08122762
-	ldr r2, [r6]
-	ldr r1, =0x00002e88
-	adds r2, r1
-	ldr r0, [sp]
-	ldr r1, [sp, 0x4]
-	str r0, [r2]
-	str r1, [r2, 0x4]
-	mov r0, r8
-	bl sub_80EDC60
-_081227F2:
-	movs r0, 0
-_081227F4:
-	add sp, 0x8
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_81226D8
-
-	thumb_func_start sub_8122804
-sub_8122804: @ 8122804
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	mov r9, r0
-	lsls r1, 16
-	lsrs r7, r1, 16
-	lsls r2, 24
-	lsrs r2, 24
-	mov r10, r2
-	movs r2, 0
-	cmp r2, r7
-	bcs _0812286C
-_08122820:
-	adds r1, r2, 0x1
-	lsls r0, r1, 16
-	lsrs r5, r0, 16
-	mov r8, r1
-	cmp r5, r7
-	bcs _08122862
-	lsls r0, r2, 3
-	mov r1, r9
-	adds r6, r1, r0
-_08122832:
-	lsls r0, r5, 3
-	mov r1, r9
-	adds r4, r1, r0
-	adds r0, r4, 0
-	adds r1, r6, 0
-	mov r2, r10
-	bl atk90_changetypestoenemyattacktype
-	lsls r0, 24
-	cmp r0, 0
-	beq _08122858
-	ldr r2, [r4]
-	ldr r3, [r4, 0x4]
-	ldr r0, [r6]
-	ldr r1, [r6, 0x4]
-	str r0, [r4]
-	str r1, [r4, 0x4]
-	str r2, [r6]
-	str r3, [r6, 0x4]
-_08122858:
-	adds r0, r5, 0x1
-	lsls r0, 16
-	lsrs r5, r0, 16
-	cmp r5, r7
-	bcc _08122832
-_08122862:
-	mov r1, r8
-	lsls r0, r1, 16
-	lsrs r2, r0, 16
-	cmp r2, r7
-	bcc _08122820
-_0812286C:
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8122804
-
-	thumb_func_start sub_812287C
-sub_812287C: @ 812287C
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x4
-	mov r8, r0
-	adds r6, r1, 0
-	movs r4, 0x80
-	lsls r4, 1
-	adds r0, r4, 0
-	bl Alloc
-	mov r10, r0
-	cmp r0, 0
-	beq _08122980
-	adds r0, r4, 0
-	bl Alloc
-	adds r7, r0, 0
-	cmp r7, 0
-	bne _081228B0
-	mov r0, r10
-	bl Free
-	b _08122980
-_081228B0:
-	bl GetLinkPlayerCount
-	lsls r0, 24
-	lsrs r0, 24
-	mov r9, r0
-	movs r5, 0
-	cmp r5, r9
-	bcs _081228DE
-_081228C0:
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	add r0, r10
-	adds r1, r5, 0
-	muls r1, r6
-	add r1, r8
-	movs r2, 0x28
-	bl memcpy
-	adds r0, r5, 0x1
-	lsls r0, 16
-	lsrs r5, r0, 16
-	cmp r5, r9
-	bcc _081228C0
-_081228DE:
-	mov r4, r10
-	mov r8, r7
-	movs r3, 0
-	movs r5, 0
-	cmp r5, r9
-	bcs _08122946
-_081228EA:
-	movs r6, 0
-_081228EC:
-	adds r0, r7, 0
-	adds r1, r4, 0
-	adds r2, r3, 0
-	str r3, [sp]
-	bl sub_8122C1C
-	lsls r0, 16
-	asrs r0, 16
-	ldr r3, [sp]
-	cmp r0, 0
-	bge _08122918
-	ldr r0, [r4]
-	ldr r1, [r4, 0x4]
-	mov r2, r8
-	adds r2, 0x8
-	mov r8, r2
-	subs r2, 0x8
-	stm r2!, {r0,r1}
-	adds r0, r3, 0x1
-	lsls r0, 16
-	lsrs r3, r0, 16
-	b _08122930
-_08122918:
-	lsls r0, 3
-	adds r2, r7, r0
-	ldrb r1, [r2]
-	lsls r1, 25
-	ldrb r0, [r4]
-	lsls r0, 25
-	cmp r1, r0
-	bcs _08122930
-	ldr r0, [r4]
-	ldr r1, [r4, 0x4]
-	str r0, [r2]
-	str r1, [r2, 0x4]
-_08122930:
-	adds r4, 0x8
-	adds r0, r6, 0x1
-	lsls r0, 16
-	lsrs r6, r0, 16
-	cmp r6, 0x4
-	bls _081228EC
-	adds r0, r5, 0x1
-	lsls r0, 16
-	lsrs r5, r0, 16
-	cmp r5, r9
-	bcc _081228EA
-_08122946:
-	adds r0, r7, 0
-	adds r1, r3, 0
-	movs r2, 0x2
-	bl sub_8122804
-	adds r4, r7, 0
-	ldr r0, =gSaveBlock1Ptr
-	ldr r0, [r0]
-	ldr r1, =0x00002e68
-	adds r1, r0
-	mov r8, r1
-	movs r5, 0
-_0812295E:
-	ldm r4!, {r0,r1}
-	mov r2, r8
-	adds r2, 0x8
-	mov r8, r2
-	subs r2, 0x8
-	stm r2!, {r0,r1}
-	adds r0, r5, 0x1
-	lsls r0, 16
-	lsrs r5, r0, 16
-	cmp r5, 0x4
-	bls _0812295E
-	mov r0, r10
-	bl Free
-	adds r0, r7, 0
-	bl Free
-_08122980:
-	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_812287C
-
-	thumb_func_start sub_8122998
-sub_8122998: @ 8122998
-	push {lr}
-	ldr r2, =gSaveBlock1Ptr
-	ldr r0, =gSpecialVar_0x8004
-	ldrh r1, [r0]
-	lsls r1, 3
-	ldr r0, [r2]
-	adds r1, r0
-	ldr r0, =gStringVar1
-	ldr r2, =0x00002e6c
-	adds r1, r2
-	movs r2, 0x2
-	movs r3, 0x1
-	bl ConvertEasyChatWordsToString
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8122998
-
-	thumb_func_start sub_81229C8
-sub_81229C8: @ 81229C8
-	push {r4,lr}
-	movs r4, 0
-	ldr r0, =gSaveBlock1Ptr
-	ldr r3, [r0]
-	ldr r1, =0x00002e68
-	adds r0, r3, r1
-	ldrb r1, [r0]
-	lsls r1, 25
-	lsrs r1, 25
-	ldr r2, =0x00002e70
-	adds r0, r3, r2
-	ldrb r0, [r0]
-	lsls r0, 25
-	lsrs r0, 25
-	subs r1, r0
-	cmp r1, 0x1
-	bgt _08122A0C
-	ldr r1, =0x00002e69
-	adds r0, r3, r1
-	ldrb r1, [r0]
-	movs r2, 0x40
-	adds r0, r2, 0
-	ands r0, r1
-	cmp r0, 0
-	bne _08122A0C
-	ldr r1, =0x00002e71
-	adds r0, r3, r1
-	ldrb r1, [r0]
-	adds r0, r2, 0
-	ands r0, r1
-	lsls r0, 24
-	lsrs r0, 24
-	negs r0, r0
-	lsrs r4, r0, 31
-_08122A0C:
-	ldr r0, =gSpecialVar_Result
-	strh r4, [r0]
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_81229C8
-
-	thumb_func_start sub_8122A30
-sub_8122A30: @ 8122A30
-	ldr r2, =gSpecialVar_Result
-	ldr r0, =gSaveBlock1Ptr
-	ldr r0, [r0]
-	ldr r3, =0x00002e6c
-	adds r1, r0, r3
-	adds r3, 0x2
-	adds r0, r3
-	ldrh r0, [r0]
-	ldrh r1, [r1]
-	adds r0, r1
-	movs r1, 0x7
-	ands r0, r1
-	strh r0, [r2]
-	bx lr
-	.pool
-	thumb_func_end sub_8122A30
-
-	thumb_func_start atk90_changetypestoenemyattacktype
-atk90_changetypestoenemyattacktype: @ 8122A58
-	push {r4,r5,lr}
-	adds r3, r0, 0
-	adds r5, r1, 0
-	lsls r2, 24
-	lsrs r2, 24
-	adds r0, r2, 0
-	cmp r2, 0x1
-	beq _08122A9E
-	cmp r2, 0x1
-	bgt _08122A72
-	cmp r2, 0
-	beq _08122A78
-	b _08122B1A
-_08122A72:
-	cmp r0, 0x2
-	beq _08122ACA
-	b _08122B1A
-_08122A78:
-	ldrb r0, [r3]
-	lsls r1, r0, 25
-	ldrb r0, [r5]
-	lsls r0, 25
-	cmp r1, r0
-	bhi _08122B16
-	cmp r1, r0
-	bcc _08122AC6
-	ldrh r0, [r3]
-	lsls r3, r0, 18
-	ldrh r0, [r5]
-	lsls r2, r0, 18
-	lsrs r1, r3, 25
-	lsrs r0, r2, 25
-	cmp r1, r0
-	bhi _08122B16
-	lsrs r1, r3, 25
-	lsrs r0, r2, 25
-	b _08122AC2
-_08122A9E:
-	ldrh r0, [r3]
-	lsls r4, r0, 18
-	ldrh r0, [r5]
-	lsls r2, r0, 18
-	lsrs r1, r4, 25
-	lsrs r0, r2, 25
-	cmp r1, r0
-	bhi _08122B16
-	lsrs r1, r4, 25
-	lsrs r0, r2, 25
-	cmp r1, r0
-	bcc _08122AC6
-	ldrb r0, [r3]
-	lsls r1, r0, 25
-	ldrb r0, [r5]
-	lsls r0, 25
-	cmp r1, r0
-	bhi _08122B16
-_08122AC2:
-	cmp r1, r0
-	bcs _08122B1A
-_08122AC6:
-	movs r0, 0
-	b _08122B22
-_08122ACA:
-	ldrb r0, [r3]
-	lsls r1, r0, 25
-	ldrb r0, [r5]
-	lsls r0, 25
-	cmp r1, r0
-	bhi _08122B16
-	cmp r1, r0
-	bcc _08122AC6
-	ldrh r0, [r3]
-	lsls r4, r0, 18
-	ldrh r0, [r5]
-	lsls r2, r0, 18
-	lsrs r1, r4, 25
-	lsrs r0, r2, 25
-	cmp r1, r0
-	bhi _08122B16
-	lsrs r1, r4, 25
-	lsrs r0, r2, 25
-	cmp r1, r0
-	bcc _08122AC6
-	ldrh r1, [r3, 0x2]
-	ldrh r0, [r5, 0x2]
-	cmp r1, r0
-	bhi _08122B16
-	cmp r1, r0
-	bcc _08122AC6
-	ldrh r1, [r3, 0x4]
-	ldrh r0, [r5, 0x4]
-	cmp r1, r0
-	bhi _08122B16
-	cmp r1, r0
-	bcc _08122AC6
-	ldrh r1, [r3, 0x6]
-	ldrh r0, [r5, 0x6]
-	cmp r1, r0
-	bhi _08122B16
-	cmp r1, r0
-	bcc _08122AC6
-_08122B16:
-	movs r0, 0x1
-	b _08122B22
-_08122B1A:
-	bl Random
-	movs r1, 0x1
-	ands r0, r1
-_08122B22:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end atk90_changetypestoenemyattacktype
-
-	thumb_func_start sub_8122B28
-sub_8122B28: @ 8122B28
-	push {r4,r5,lr}
-	adds r5, r0, 0
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x62
-	bl __umodsi3
-	lsls r0, 16
-	lsrs r4, r0, 16
-	cmp r4, 0x32
-	bls _08122B6A
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x62
-	bl __umodsi3
-	lsls r0, 16
-	lsrs r4, r0, 16
-	cmp r4, 0x50
-	bls _08122B6A
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	movs r1, 0x62
-	bl __umodsi3
-	lsls r0, 16
-	lsrs r4, r0, 16
-_08122B6A:
-	adds r1, r4, 0
-	adds r1, 0x1E
-	movs r0, 0x7F
-	ands r1, r0
-	lsls r1, 7
-	ldrh r2, [r5]
-	ldr r0, =0xffffc07f
-	ands r0, r2
-	orrs r0, r1
-	strh r0, [r5]
-	bl Random
-	lsls r0, 16
-	lsrs r0, 16
-	adds r1, r4, 0x1
-	bl __modsi3
-	adds r0, 0x1E
-	movs r1, 0x7F
-	ands r0, r1
-	ldrb r2, [r5]
-	movs r1, 0x80
-	negs r1, r1
-	ands r1, r2
-	orrs r1, r0
-	strb r1, [r5]
-	bl Random
-	strh r0, [r5, 0x2]
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8122B28
-
-	thumb_func_start sub_8122BB0
-sub_8122BB0: @ 8122BB0
-	push {r4-r6,lr}
-	adds r5, r0, 0
-	movs r4, 0
-	ldr r6, =gSaveBlock1Ptr
-_08122BB8:
-	lsls r1, r4, 3
-	ldr r0, [r6]
-	adds r1, r0
-	ldr r0, =0x00002e6c
-	adds r1, r0
-	adds r0, r5, 0
-	bl sub_8122BF0
-	lsls r0, 24
-	cmp r0, 0
-	beq _08122BDC
-	movs r0, 0x1
-	b _08122BE8
-	.pool
-_08122BDC:
-	adds r0, r4, 0x1
-	lsls r0, 16
-	lsrs r4, r0, 16
-	cmp r4, 0x4
-	bls _08122BB8
-	movs r0, 0
-_08122BE8:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8122BB0
-
-	thumb_func_start sub_8122BF0
-sub_8122BF0: @ 8122BF0
-	push {r4,lr}
-	adds r3, r0, 0
-	adds r2, r1, 0
-	movs r4, 0
-_08122BF8:
-	ldrh r1, [r3]
-	ldrh r0, [r2]
-	adds r2, 0x2
-	adds r3, 0x2
-	cmp r1, r0
-	beq _08122C08
-	movs r0, 0
-	b _08122C14
-_08122C08:
-	adds r0, r4, 0x1
-	lsls r0, 16
-	lsrs r4, r0, 16
-	cmp r4, 0x1
-	bls _08122BF8
-	movs r0, 0x1
-_08122C14:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8122BF0
-
-	thumb_func_start sub_8122C1C
-sub_8122C1C: @ 8122C1C
-	push {r4-r7,lr}
-	adds r5, r0, 0
-	adds r7, r1, 0
-	lsls r2, 16
-	lsrs r6, r2, 16
-	movs r4, 0
-	cmp r4, r6
-	bge _08122C52
-_08122C2C:
-	adds r1, r5, 0x4
-	adds r0, r7, 0x4
-	bl sub_8122BF0
-	lsls r0, 24
-	cmp r0, 0
-	beq _08122C40
-	lsls r0, r4, 16
-	asrs r0, 16
-	b _08122C56
-_08122C40:
-	adds r5, 0x8
-	lsls r0, r4, 16
-	movs r1, 0x80
-	lsls r1, 9
-	adds r0, r1
-	lsrs r4, r0, 16
-	asrs r0, 16
-	cmp r0, r6
-	blt _08122C2C
-_08122C52:
-	movs r0, 0x1
-	negs r0, r0
-_08122C56:
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8122C1C
-
-	.align 2, 0 @ Don't pad with nop.
diff --git a/data/event_scripts.s b/data/event_scripts.s
index 1343a4fa9..25b0c7b52 100644
--- a/data/event_scripts.s
+++ b/data/event_scripts.s
@@ -1890,7 +1890,7 @@ DewfordTown_EventScript_271E8B:: @ 8271E8B
 DewfordTown_Hall_EventScript_271E8B:: @ 8271E8B
 	dodailyevents
 	setvar VAR_0x8004, 0
-	special sub_8122998
+	special BufferTrendyPhraseString
 	return
 
 DewfordTown_EventScript_271E95:: @ 8271E95
diff --git a/data/scripts/maps/DewfordTown_Hall.inc b/data/scripts/maps/DewfordTown_Hall.inc
index 3f9518722..4d4c3732d 100644
--- a/data/scripts/maps/DewfordTown_Hall.inc
+++ b/data/scripts/maps/DewfordTown_Hall.inc
@@ -5,7 +5,7 @@ DewfordTown_Hall_EventScript_1FD4D0:: @ 81FD4D0
 	lock
 	faceplayer
 	call DewfordTown_Hall_EventScript_271E8B
-	special sub_81229C8
+	special TrendyPhraseIsOld
 	compare VAR_RESULT, 1
 	goto_eq DewfordTown_Hall_EventScript_1FD4EF
 	msgbox DewfordTown_Hall_Text_1FD818, 4
@@ -87,7 +87,7 @@ DewfordTown_Hall_EventScript_1FD590:: @ 81FD590
 DewfordTown_Hall_EventScript_1FD5A0:: @ 81FD5A0
 	lockall
 	call DewfordTown_Hall_EventScript_271E8B
-	special sub_8122A30
+	special GetDewfordHallPaintingNameIndex
 	switch VAR_RESULT
 	case 0, DewfordTown_Hall_EventScript_1FD607
 	case 4, DewfordTown_Hall_EventScript_1FD607
@@ -133,7 +133,7 @@ DewfordTown_Hall_EventScript_1FD63B:: @ 81FD63B
 
 DewfordTown_Hall_EventScript_1FD647:: @ 81FD647
 	call DewfordTown_Hall_EventScript_271E8B
-	special sub_8122A30
+	special GetDewfordHallPaintingNameIndex
 	switch VAR_RESULT
 	case 0, DewfordTown_Hall_EventScript_1FD6AD
 	case 1, DewfordTown_Hall_EventScript_1FD6AD
diff --git a/data/specials.inc b/data/specials.inc
index ab1a441ff..394e4a10e 100644
--- a/data/specials.inc
+++ b/data/specials.inc
@@ -137,10 +137,10 @@ gSpecials:: @ 81DBA64
 	def_special TV_PutNameRaterShowOnTheAirIfNicnkameChanged
 	def_special TV_CopyNicknameToStringVar1AndEnsureTerminated
 	def_special TV_CheckMonOTIDEqualsPlayerID
-	def_special sub_8122998
-	def_special sub_81229C8
+	def_special BufferTrendyPhraseString
+	def_special TrendyPhraseIsOld
 	def_special sub_811EF6C
-	def_special sub_8122A30
+	def_special GetDewfordHallPaintingNameIndex
 	def_special sub_80D6EDC
 	def_special CalculatePlayerPartyCount
 	def_special CountPartyNonEggMons
diff --git a/include/easy_chat.h b/include/easy_chat.h
index f0ac51c22..e5fdc8bea 100644
--- a/include/easy_chat.h
+++ b/include/easy_chat.h
@@ -35,5 +35,6 @@ bool32 sub_811F8D8(u16 word);
 void InitializeEasyChatWordArray(u16 *words, u16 length);
 void ConvertEasyChatWordsToString(u8 *dest, const u16 *src, u16 length1, u16 length2);
 bool8 ECWord_CheckIfOutsideOfValidRange(u16 word);
+u16 sub_811EE38(u16 group);
 
 #endif // GUARD_EASYCHAT_H
diff --git a/ld_script.txt b/ld_script.txt
index dda870d54..7f3026980 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -165,7 +165,7 @@ SECTIONS {
         asm/mauville_old_man.o(.text);
         src/mail.o(.text);
         asm/menu_helpers.o(.text);
-        asm/dewford_trend.o(.text);
+        src/dewford_trend.o(.text);
         src/heal_location.o(.text);
         src/region_map.o(.text);
         asm/cute_sketch.o(.text);
diff --git a/src/dewford_trend.c b/src/dewford_trend.c
new file mode 100644
index 000000000..3ceec6563
--- /dev/null
+++ b/src/dewford_trend.c
@@ -0,0 +1,340 @@
+#include "global.h"
+#include "dewford_trend.h"
+#include "easy_chat.h"
+#include "constants/easy_chat.h"
+#include "event_data.h"
+#include "link.h"
+#include "malloc.h"
+#include "random.h"
+#include "text.h"
+#include "tv.h"
+
+// static functions
+static void sub_8122804(struct EasyChatPair *s, u16 b, u8 c);
+static bool8 sub_8122A58(struct EasyChatPair *a, struct EasyChatPair *b, u8 c);
+static void sub_8122B28(struct EasyChatPair *s);
+static bool8 SB1ContainsWords(u16 *a);
+static bool8 IsEasyChatPairEqual(u16 *words1, u16 *words2);
+static s16 GetEqualEasyChatPairIndex(struct EasyChatPair *s, struct EasyChatPair *a, u16 b);
+
+// text
+void InitDewfordTrend(void)
+{
+    u16 i;
+
+    for (i = 0; i < 5; i++)
+    {
+        gSaveBlock1Ptr->easyChatPairs[i].words[0] = sub_811EE38(EC_GROUP_CONDITIONS);
+
+        if (Random() & 1)
+            gSaveBlock1Ptr->easyChatPairs[i].words[1] = sub_811EE38(EC_GROUP_LIFESTYLE);
+        else
+            gSaveBlock1Ptr->easyChatPairs[i].words[1] = sub_811EE38(EC_GROUP_HOBBIES);
+
+        gSaveBlock1Ptr->easyChatPairs[i].unk1_6 = Random() & 1;
+        sub_8122B28(&(gSaveBlock1Ptr->easyChatPairs[i]));
+    }
+    sub_8122804(gSaveBlock1Ptr->easyChatPairs, 5, 0);
+}
+
+void UpdateDewfordTrendPerDay(u16 a)
+{
+    u16 i;
+
+    if (a != 0)
+    {
+        u32 sp0 = a * 5;
+
+        for (i = 0; i < 5; i++)
+        {
+            u32 r4;
+            u32 r2 = sp0;
+            struct EasyChatPair *r5 = &(gSaveBlock1Ptr->easyChatPairs[i]);
+
+            if (r5->unk1_6 == 0)
+            {
+                if (r5->unk0_0 >= (u16)r2)
+                {
+                    r5->unk0_0 -= r2;
+                    if (r5->unk0_0 == 0)
+                        r5->unk1_6 = 1;
+                    continue;
+                }
+                r2 -= r5->unk0_0;
+                r5->unk0_0 = 0;
+                r5->unk1_6 = 1;
+            }
+            r4 = r5->unk0_0 + r2;
+            if ((u16)r4 > r5->unk0_7)
+            {
+                u32 sp4 = r4 % r5->unk0_7;
+                r4 = r4 / r5->unk0_7;
+
+                r5->unk1_6 = r4 ^ 1;
+                if (r5->unk1_6)
+                    r5->unk0_0 = sp4;
+                else
+                    r5->unk0_0 = r5->unk0_7 - sp4;
+            }
+            else
+            {
+                r5->unk0_0 = r4;
+
+                if (r5->unk0_0 == r5->unk0_7)
+                    r5->unk1_6 = 0;
+            }
+        }
+        sub_8122804(gSaveBlock1Ptr->easyChatPairs, 5, 0);
+    }
+}
+
+
+bool8 sub_81226D8(u16 *a)
+{
+    struct EasyChatPair s = {0};
+    u16 i;
+
+    if (!SB1ContainsWords(a))
+    {
+        if (!FlagGet(FLAG_SYS_POPWORD_INPUT))
+        {
+            FlagSet(FLAG_SYS_POPWORD_INPUT);
+            if (!FlagGet(FLAG_SYS_MIX_RECORD))
+            {
+                gSaveBlock1Ptr->easyChatPairs[0].words[0] = a[0];
+                gSaveBlock1Ptr->easyChatPairs[0].words[1] = a[1];
+                return TRUE;
+            }
+        }
+
+        s.words[0] = a[0];
+        s.words[1] = a[1];
+        s.unk1_6 = 1;
+        sub_8122B28(&s);
+
+        for (i = 0; i < 5; i++)
+        {
+            if (sub_8122A58(&s, &(gSaveBlock1Ptr->easyChatPairs[i]), 0))
+            {
+                u16 r3 = 4;
+
+                while (r3 > i)
+                {
+                    gSaveBlock1Ptr->easyChatPairs[r3] = gSaveBlock1Ptr->easyChatPairs[r3 - 1];
+                    r3--;
+                }
+                gSaveBlock1Ptr->easyChatPairs[i] = s;
+                if(i == 4)
+                    sub_80EDC60(a);
+                return (i == 0);
+            }
+        }
+        gSaveBlock1Ptr->easyChatPairs[4] = s;
+        sub_80EDC60(a);
+    }
+    return FALSE;
+}
+
+
+static void sub_8122804(struct EasyChatPair *s, u16 b, u8 c)
+{
+    u16 h;
+
+    for (h = 0; h < b; h++)
+    {
+        u16 i;
+
+        for (i = h + 1; i < b; i++)
+        {
+            if (sub_8122A58(&s[i], &s[h], c))
+            {
+                struct EasyChatPair temp;
+
+                temp = s[i];
+                s[i] = s[h];
+                s[h] = temp;
+            }
+        }
+    }
+}
+
+void sub_812287C(void *a, u32 b, u8 unused)
+{
+    u16 i, j, r3, players;
+    struct EasyChatPair *buffer1, *buffer2, *src, *dst, *foo_of_buffer2;
+
+    buffer1 = Alloc(0x100);
+    if(buffer1 != NULL)
+    {
+        buffer2 = Alloc(0x100);
+        if(buffer2 == NULL)
+        {
+            Free(buffer1);
+        }
+        else
+        {
+            players = GetLinkPlayerCount();
+            for (i = 0; i < players; i++)
+                memcpy(&(buffer1[i * 5]), (u8 *)a + i * b, 40);
+            src = buffer1;
+            dst = buffer2;
+            r3 = 0;
+            for (i = 0; i < players; i++)
+            {
+                for (j = 0; j < 5; j++)
+                {
+                    s16 foo = GetEqualEasyChatPairIndex(buffer2, src, r3);
+                    if (foo < 0)
+                    {
+                        *(dst++) = *src;
+                        r3++;
+                    }
+                    else
+                    {
+                        foo_of_buffer2 = (struct EasyChatPair *)((u32)buffer2 + (foo * 8)); //required to do this to reverse the order of register operands in add ASM statement
+                        if (foo_of_buffer2->unk0_0 < src->unk0_0)
+                        {
+                            *foo_of_buffer2 = *src;
+                        }
+                    }
+                    src++;
+                }
+            }
+            sub_8122804(buffer2, r3, 2);
+            src = buffer2;
+            dst = gSaveBlock1Ptr->easyChatPairs;
+            for (i = 0; i < 5; i++)
+                *(dst++) = *(src++);
+            Free(buffer1);
+            Free(buffer2);
+        }
+    }
+}
+
+void BufferTrendyPhraseString(void)
+{
+    struct EasyChatPair *s = &gSaveBlock1Ptr->easyChatPairs[gSpecialVar_0x8004];
+
+    ConvertEasyChatWordsToString(gStringVar1, s->words, 2, 1);
+}
+
+void TrendyPhraseIsOld(void)
+{
+    u16 result = 0;
+
+    if (gSaveBlock1Ptr->easyChatPairs[0].unk0_0 - gSaveBlock1Ptr->easyChatPairs[1].unk0_0 < 2)
+    {
+        asm("":::"r2"); //Force the compiler to store address of gSaveBlock1 in r3 instead of r2
+        if (!gSaveBlock1Ptr->easyChatPairs[0].unk1_6 && gSaveBlock1Ptr->easyChatPairs[1].unk1_6)
+            result = 1;
+    }
+    gSpecialVar_Result = result;
+}
+
+void GetDewfordHallPaintingNameIndex(void)
+{
+    gSpecialVar_Result = (gSaveBlock1Ptr->easyChatPairs[0].words[0] + gSaveBlock1Ptr->easyChatPairs[0].words[1]) & 7;
+}
+
+static bool8 sub_8122A58(struct EasyChatPair *a, struct EasyChatPair *b, u8 c)
+{
+    switch (c)
+    {
+    case 0:
+        if (a->unk0_0 > b->unk0_0)
+            return 1;
+        if (a->unk0_0 < b->unk0_0)
+            return 0;
+        if (a->unk0_7 > b->unk0_7)
+            return 1;
+        if (a->unk0_7 < b->unk0_7)
+            return 0;
+        break;
+    case 1:
+        if (a->unk0_7 > b->unk0_7)
+            return 1;
+        if (a->unk0_7 < b->unk0_7)
+            return 0;
+        if (a->unk0_0 > b->unk0_0)
+            return 1;
+        if (a->unk0_0 < b->unk0_0)
+            return 0;
+        break;
+    case 2:
+        if (a->unk0_0 > b->unk0_0)
+            return 1;
+        if (a->unk0_0 < b->unk0_0)
+            return 0;
+        if (a->unk0_7 > b->unk0_7)
+            return 1;
+        if (a->unk0_7 < b->unk0_7)
+            return 0;
+        if (a->unk2 > b->unk2)
+            return 1;
+        if (a->unk2 < b->unk2)
+            return 0;
+        if (a->words[0] > b->words[0])
+            return 1;
+        if (a->words[0] < b->words[0])
+            return 0;
+        if (a->words[1] > b->words[1])
+            return 1;
+        if (a->words[1] < b->words[1])
+            return 0;
+        return 1;
+    }
+    return Random() & 1;
+}
+
+static void sub_8122B28(struct EasyChatPair *s)
+{
+    u16 r4;
+
+    r4 = Random() % 98;
+    if (r4 > 50)
+    {
+        r4 = Random() % 98;
+        if (r4 > 80)
+            r4 = Random() % 98;
+    }
+    s->unk0_7 = r4 + 30;
+    s->unk0_0 = (Random() % (r4 + 1)) + 30;
+    s->unk2 = Random();
+}
+
+static bool8 SB1ContainsWords(u16 *a)
+{
+    u16 i;
+
+    for (i = 0; i < 5; i++)
+    {
+        if (IsEasyChatPairEqual(a, gSaveBlock1Ptr->easyChatPairs[i].words) != 0)
+            return TRUE;
+    }
+    return FALSE;
+}
+
+static bool8 IsEasyChatPairEqual(u16 *words1, u16 *words2)
+{
+    u16 i;
+
+    for (i = 0; i < 2; i++)
+    {
+        if (*(words1++) != *(words2++))
+            return FALSE;
+    }
+    return TRUE;
+}
+
+static s16 GetEqualEasyChatPairIndex(struct EasyChatPair*s, struct EasyChatPair *a, u16 b)
+{
+    s16 i;
+
+    for (i = 0; i < b; i++)
+    {
+        if (IsEasyChatPairEqual(a->words, s->words))
+            return i;
+        s++;
+    }
+    return -1;
+}