1 files changed, 587 insertions, 0 deletions
diff --git a/engine/menu.asm b/engine/menu.asm
new file mode 100755
index 000000000..c1d2949d0
--- /dev/null
+++ b/engine/menu.asm
@@ -0,0 +1,587 @@
+Function2400e:: ; 2400e
+	ld hl, Function1c66
+	ld a, [wcf94]
+	rst FarCall
+	call Function24085
+	call UpdateSprites
+	call Function321c
+	call Function2408f
+	ret
+; 24022
+
+Function24022:: ; 24022
+	ld hl, Function1c66
+	ld a, [wcf94]
+	rst FarCall
+	call Function24085
+	callba MobileTextBorder
+	call UpdateSprites
+	call Function321c
+	call Function2408f
+	ret
+; 2403c
+
+Function2403c:: ; 2403c
+	ld hl, Function1c66
+	ld a, [wcf94]
+	rst FarCall
+	call Function24085
+	callba MobileTextBorder
+	call UpdateSprites
+	call Function321c
+	call Function2411a
+	ld hl, wcfa5
+	set 7, [hl]
+.asm_2405a
+	call DelayFrame
+	callba Function10032e
+	ld a, [wcd2b]
+	and a
+	jr nz, .asm_24076
+	call Function241ba
+	ld a, [wcfa8]
+	and c
+	jr z, .asm_2405a
+	call Function24098
+	ret
+
+.asm_24076
+	ld a, [wcfa4]
+	ld c, a
+	ld a, [wcfa3]
+	call SimpleMultiply
+	ld [wMenuCursorBuffer], a
+	and a
+	ret
+; 24085
+
+
+
+Function24085: ; 24085
+	xor a
+	ld [hBGMapMode], a
+	call MenuBox
+	call Function240db
+	ret
+; 2408f
+
+Function2408f: ; 2408f
+	call Function2411a
+	call Function1bc9
+	call Function1ff8
+
+Function24098: ; 24098
+	ld a, [wMenuData2Flags]
+	bit 1, a
+	jr z, .asm_240a6
+	call Function1bdd
+	bit 2, a
+	jr nz, .asm_240c9
+
+.asm_240a6
+	ld a, [wMenuData2Flags]
+	bit 0, a
+	jr nz, .asm_240b4
+	call Function1bdd
+	bit 1, a
+	jr nz, .asm_240cb
+
+.asm_240b4
+	ld a, [wcfa4]
+	ld c, a
+	ld a, [MenuSelection2]
+	dec a
+	call SimpleMultiply
+	ld c, a
+	ld a, [wcfaa]
+	add c
+	ld [wMenuCursorBuffer], a
+	and a
+	ret
+
+.asm_240c9
+	scf
+	ret
+
+.asm_240cb
+	scf
+	ret
+; 240cd
+
+Function240cd: ; 240cd
+	ld a, [wMenuData2Items]
+	and $f
+	ret
+; 240d3
+
+Function240d3: ; 240d3
+	ld a, [wMenuData2Items]
+	swap a
+	and $f
+	ret
+; 240db
+
+Function240db: ; 240db
+	ld hl, wcf95
+	ld e, [hl]
+	inc hl
+	ld d, [hl]
+	call Function1cc6
+	call GetTileCoord
+	call Function240d3
+	ld b, a
+.asm_240eb
+	push bc
+	push hl
+	call Function240cd
+	ld c, a
+.asm_240f1
+	push bc
+	ld a, [wcf94]
+	call Function201c
+	inc de
+	ld a, [wcf93]
+	ld c, a
+	ld b, $0
+	add hl, bc
+	pop bc
+	dec c
+	jr nz, .asm_240f1
+	pop hl
+	ld bc, $28
+	add hl, bc
+	pop bc
+	dec b
+	jr nz, .asm_240eb
+	ld hl, wcf98
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	or h
+	ret z
+	ld a, [wcf97]
+	rst FarCall
+	ret
+; 2411a
+
+
+Function2411a: ; 2411a (9:411a)
+	call Function1cc6
+	ld a, b
+	ld [wcfa1], a
+	dec c
+	ld a, c
+	ld [wcfa2], a
+	call Function240d3
+	ld [wcfa3], a
+	call Function240cd
+	ld [wcfa4], a
+	call Function24179
+	call Function2418a
+	call Function24193
+	ld a, [wcfa4]
+	ld e, a
+	ld a, [wMenuCursorBuffer]
+	ld b, a
+	xor a
+	ld d, $0
+.asm_24146
+	inc d
+	add e
+	cp b
+	jr c, .asm_24146
+	sub e
+	ld c, a
+	ld a, b
+	sub c
+	and a
+	jr z, .asm_24157
+	cp e
+	jr z, .asm_24159
+	jr c, .asm_24159
+.asm_24157
+	ld a, $1
+.asm_24159
+	ld [wcfaa], a
+	ld a, [wcfa3]
+	ld e, a
+	ld a, d
+	and a
+	jr z, .asm_24169
+	cp e
+	jr z, .asm_2416b
+	jr c, .asm_2416b
+.asm_24169
+	ld a, $1
+.asm_2416b
+	ld [MenuSelection2], a
+	xor a
+	ld [wcfab], a
+	ld [wcfac], a
+	ld [wcfad], a
+	ret
+; 24179
+
+Function24179: ; 24179
+	xor a
+	ld hl, wcfa5
+	ld [hli], a
+	ld [hld], a
+	ld a, [wMenuData2Flags]
+	bit 5, a
+	ret z
+	set 5, [hl]
+	set 4, [hl]
+	ret
+; 2418a
+
+Function2418a: ; 2418a
+	ld a, [wcf93]
+	or $20
+	ld [wcfa7], a
+	ret
+; 24193
+
+Function24193: ; 24193
+	ld hl, wMenuData2Flags
+	ld a, $1
+	bit 0, [hl]
+	jr nz, .asm_2419e
+	or $2
+
+.asm_2419e
+	bit 1, [hl]
+	jr z, .asm_241a4
+	or $4
+
+.asm_241a4
+	ld [wcfa8], a
+	ret
+; 241a8
+
+
+Function241a8:: ; 241a8
+	call Function24329
+Function241ab:: ; 241ab
+	ld hl, wcfa6
+	res 7, [hl]
+	ld a, [hBGMapMode]
+	push af
+	call Function24216
+	pop af
+	ld [hBGMapMode], a
+	ret
+; 241ba
+
+Function241ba: ; 241ba
+	ld hl, wcfa6
+	res 7, [hl]
+	ld a, [hBGMapMode]
+	push af
+	call Function2431a
+	call Function24249
+	jr nc, .asm_241cd
+	call Function24270
+
+.asm_241cd
+	pop af
+	ld [hBGMapMode], a
+	call Function1bdd
+	ld c, a
+	ret
+; 241d5
+
+
+Function241d5: ; 241d5
+	call Function24329
+.loop
+	call Function2431a
+	call Function10402d ; BUG: This function is in another bank.
+	                    ; Pointer in current bank (9) is bogus.
+	call Function241fa
+	jr nc, .done
+	call Function24270
+	jr c, .done
+	ld a, [wcfa5]
+	bit 7, a
+	jr nz, .done
+	call Function1bdd
+	ld c, a
+	ld a, [wcfa8]
+	and c
+	jr z, .loop
+
+.done
+	ret
+; 241fa
+
+Function241fa: ; 241fa
+.loop
+	call Function24259
+	ret c
+	ld c, 1
+	ld b, 3
+	call Function10062d ; BUG: This function is in another bank.
+	                    ; Pointer in current bank (9) is bogus.
+	ret c
+	callba Function100337
+	ret c
+	ld a, [wcfa5]
+	bit 7, a
+	jr z, .loop
+	and a
+	ret
+; 24216
+
+
+Function24216: ; 24216
+.asm_24216
+	call Function2431a
+	call Function24238
+	call Function24249
+	jr nc, .asm_24237
+	call Function24270
+	jr c, .asm_24237
+	ld a, [wcfa5]
+	bit 7, a
+	jr nz, .asm_24237
+	call Function1bdd
+	ld b, a
+	ld a, [wcfa8]
+	and b
+	jr z, .asm_24216
+
+.asm_24237
+	ret
+; 24238
+
+Function24238: ; 24238
+	ld a, [hOAMUpdate]
+	push af
+	ld a, $1
+	ld [hOAMUpdate], a
+	call WaitBGMap
+	pop af
+	ld [hOAMUpdate], a
+	xor a
+	ld [hBGMapMode], a
+	ret
+; 24249
+
+Function24249: ; 24249
+.asm_24249
+	call RTC
+	call Function24259
+	ret c
+	ld a, [wcfa5]
+	bit 7, a
+	jr z, .asm_24249
+	and a
+	ret
+; 24259
+
+Function24259: ; 24259
+	ld a, [wcfa5]
+	bit 6, a
+	jr z, .asm_24266
+	callab Function8cf62
+
+.asm_24266
+	call JoyTextDelay
+	call Function1bdd
+	and a
+	ret z
+	scf
+	ret
+; 24270
+
+Function24270: ; 24270
+	call Function1bdd
+	bit 0, a
+	jp nz, Function24318
+	bit 1, a
+	jp nz, Function24318
+	bit 2, a
+	jp nz, Function24318
+	bit 3, a
+	jp nz, Function24318
+	bit 4, a
+	jr nz, .asm_242fa
+	bit 5, a
+	jr nz, .asm_242dc
+	bit 6, a
+	jr nz, .asm_242be
+	bit 7, a
+	jr nz, .asm_242a0
+	and a
+	ret
+
+.asm_24299: ; 24299
+	ld hl, wcfa6
+	set 7, [hl]
+	scf
+	ret
+
+.asm_242a0
+	ld hl, MenuSelection2
+	ld a, [wcfa3]
+	cp [hl]
+	jr z, .asm_242ac
+	inc [hl]
+	xor a
+	ret
+
+.asm_242ac
+	ld a, [wcfa5]
+	bit 5, a
+	jr nz, .asm_242ba
+	bit 3, a
+	jp nz, .asm_24299
+	xor a
+	ret
+
+.asm_242ba
+	ld [hl], $1
+	xor a
+	ret
+
+.asm_242be
+	ld hl, MenuSelection2
+	ld a, [hl]
+	dec a
+	jr z, .asm_242c8
+	ld [hl], a
+	xor a
+	ret
+
+.asm_242c8
+	ld a, [wcfa5]
+	bit 5, a
+	jr nz, .asm_242d6
+	bit 2, a
+	jp nz, .asm_24299
+	xor a
+	ret
+
+.asm_242d6
+	ld a, [wcfa3]
+	ld [hl], a
+	xor a
+	ret
+
+.asm_242dc
+	ld hl, wcfaa
+	ld a, [hl]
+	dec a
+	jr z, .asm_242e6
+	ld [hl], a
+	xor a
+	ret
+
+.asm_242e6
+	ld a, [wcfa5]
+	bit 4, a
+	jr nz, .asm_242f4
+	bit 1, a
+	jp nz, .asm_24299
+	xor a
+	ret
+
+.asm_242f4
+	ld a, [wcfa4]
+	ld [hl], a
+	xor a
+	ret
+
+.asm_242fa
+	ld hl, wcfaa
+	ld a, [wcfa4]
+	cp [hl]
+	jr z, .asm_24306
+	inc [hl]
+	xor a
+	ret
+
+.asm_24306
+	ld a, [wcfa5]
+	bit 4, a
+	jr nz, .asm_24314
+	bit 0, a
+	jp nz, .asm_24299
+	xor a
+	ret
+
+.asm_24314
+	ld [hl], $1
+	xor a
+	ret
+; 24318
+
+Function24318: ; 24318
+	xor a
+	ret
+; 2431a
+
+Function2431a: ; 2431a
+	ld hl, wcfac
+	ld a, [hli]
+	ld h, [hl]
+	ld l, a
+	ld a, [hl]
+	cp $ed
+	jr nz, Function24329
+	ld a, [wcfab]
+	ld [hl], a
+
+Function24329: ; 24329
+	ld a, [wcfa1]
+	ld b, a
+	ld a, [wcfa2]
+	ld c, a
+	call GetTileCoord
+	ld a, [wcfa7]
+	swap a
+	and $f
+	ld c, a
+	ld a, [MenuSelection2]
+	ld b, a
+	xor a
+	dec b
+	jr z, .asm_24348
+.asm_24344
+	add c
+	dec b
+	jr nz, .asm_24344
+
+.asm_24348
+	ld c, $14
+	call AddNTimes
+	ld a, [wcfa7]
+	and $f
+	ld c, a
+	ld a, [wcfaa]
+	ld b, a
+	xor a
+	dec b
+	jr z, .asm_2435f
+.asm_2435b
+	add c
+	dec b
+	jr nz, .asm_2435b
+
+.asm_2435f
+	ld c, a
+	add hl, bc
+	ld a, [hl]
+	cp $ed
+	jr z, .asm_2436b
+	ld [wcfab], a
+	ld [hl], $ed
+
+.asm_2436b
+	ld a, l
+	ld [wcfac], a
+	ld a, h
+	ld [wcfad], a
+	ret
+; 24374