Move more code from home.asm to home/

home/names.asm

@@ -0,0 +1,141 @@
+GetMonName::
+	push hl
+	ld a, [hLoadedROMBank]
+	push af
+	ld a, BANK(MonsterNames)
+	ld [hLoadedROMBank], a
+	ld [MBC1RomBank], a
+	ld a, [wd11e]
+	dec a
+	ld hl, MonsterNames
+	ld c, 10
+	ld b, 0
+	call AddNTimes
+	ld de, wcd6d
+	push de
+	ld bc, 10
+	call CopyData
+	ld hl, wcd6d + 10
+	ld [hl], "@"
+	pop de
+	pop af
+	ld [hLoadedROMBank], a
+	ld [MBC1RomBank], a
+	pop hl
+	ret
+
+GetItemName::
+; given an item ID at [wd11e], store the name of the item into a string
+;     starting at wcd6d
+	push hl
+	push bc
+	ld a, [wd11e]
+	cp HM_01 ; is this a TM/HM?
+	jr nc, .Machine
+
+	ld [wd0b5], a
+	ld a, ITEM_NAME
+	ld [wNameListType], a
+	ld a, BANK(ItemNames)
+	ld [wPredefBank], a
+	call GetName
+	jr .Finish
+
+.Machine
+	call GetMachineName
+.Finish
+	ld de, wcd6d ; pointer to where item name is stored in RAM
+	pop bc
+	pop hl
+	ret
+
+GetMachineName::
+; copies the name of the TM/HM in [wd11e] to wcd6d
+	push hl
+	push de
+	push bc
+	ld a, [wd11e]
+	push af
+	cp TM_01 ; is this a TM? [not HM]
+	jr nc, .WriteTM
+; if HM, then write "HM" and add 5 to the item ID, so we can reuse the
+; TM printing code
+	add 5
+	ld [wd11e], a
+	ld hl, HiddenPrefix ; points to "HM"
+	ld bc, 2
+	jr .WriteMachinePrefix
+.WriteTM
+	ld hl, TechnicalPrefix ; points to "TM"
+	ld bc, 2
+.WriteMachinePrefix
+	ld de, wcd6d
+	call CopyData
+
+; now get the machine number and convert it to text
+	ld a, [wd11e]
+	sub TM_01 - 1
+	ld b, "0"
+.FirstDigit
+	sub 10
+	jr c, .SecondDigit
+	inc b
+	jr .FirstDigit
+.SecondDigit
+	add 10
+	push af
+	ld a, b
+	ld [de], a
+	inc de
+	pop af
+	ld b, "0"
+	add b
+	ld [de], a
+	inc de
+	ld a, "@"
+	ld [de], a
+	pop af
+	ld [wd11e], a
+	pop bc
+	pop de
+	pop hl
+	ret
+
+TechnicalPrefix::
+	db "TM"
+HiddenPrefix::
+	db "HM"
+
+; sets carry if item is HM, clears carry if item is not HM
+; Input: a = item ID
+IsItemHM::
+	cp HM_01
+	jr c, .notHM
+	cp TM_01
+	ret
+.notHM
+	and a
+	ret
+
+; sets carry if move is an HM, clears carry if move is not an HM
+; Input: a = move ID
+IsMoveHM::
+	ld hl, HMMoves
+	ld de, 1
+	jp IsInArray
+
+HMMoves::
+INCLUDE "data/moves/hm_moves.asm"
+
+GetMoveName::
+	push hl
+	ld a, MOVE_NAME
+	ld [wNameListType], a
+	ld a, [wd11e]
+	ld [wd0b5], a
+	ld a, BANK(MoveNames)
+	ld [wPredefBank], a
+	call GetName
+	ld de, wcd6d ; pointer to where move name is stored in RAM
+	pop hl
+	ret