2 files changed, 273 insertions, 0 deletions
diff --git a/engine/pokemon/correct_nick_errors.asm b/engine/pokemon/correct_nick_errors.asm
new file mode 100644
index 00000000..c7b6ff39
--- /dev/null
+++ b/engine/pokemon/correct_nick_errors.asm
@@ -0,0 +1,53 @@
+CorrectNickErrors:: ; 677e (1:677e)
+	push bc
+	push de
+	ld b, MON_NAME_LENGTH
+.checkchar
+	ld a, [de]
+	cp "@"
+	jr z, .done
+	ld hl, .textcommands
+	dec hl
+.loop
+	inc hl
+	ld a, [hl]
+	cp $ff
+	jr z, .next
+	ld a, [de]
+	cp [hl]
+	inc hl
+	jr c, .loop
+	cp [hl]
+	jr nc, .loop
+	ld a, "?"
+	ld [de], a
+	jr .loop
+
+.next
+	inc de
+	dec b
+	jr nz, .checkchar
+	pop de
+	push de
+	ld a, "?"
+	ld [de], a
+	inc de
+	ld a, "@"
+	ld [de], a
+.done
+	pop de
+	pop bc
+	ret
+
+.textcommands
+; table defining which characters are actually text commands
+; format:
+	;      ≥           <
+	db "<START>",  $04       + 1
+	db "<PLAY_G>", $18       + 1
+	db $1d,        "%"       + 1
+	db $35,        "<GREEN>" + 1
+	db "<ENEMY>",  "<ENEMY>" + 1
+	db $49,        "<TM>"    + 1
+	db "<ROCKET>", "┘"       + 1
+	db -1 ; end
+\ No newline at end of file
diff --git a/engine/pokemon/learn.asm b/engine/pokemon/learn.asm
new file mode 100644
index 00000000..b28f754b
--- /dev/null
+++ b/engine/pokemon/learn.asm
@@ -0,0 +1,220 @@
+LearnMove:
+	call LoadTilemapToTempTilemap
+	ld a, [wCurPartyMon]
+	ld hl, wPartyMon1Nickname
+	call GetNick
+	ld hl, wStringBuffer1
+	ld de, wMonOrItemNameBuffer
+	ld bc, $b
+	call CopyBytes
+.loop
+	ld hl, wPartyMon1Moves
+	ld bc, $30
+	ld a, [wCurPartyMon]
+	call AddNTimes
+	ld d, h
+	ld e, l
+	ld b, $4
+.asm_660f
+	ld a, [hl]
+	and a
+	jr z, .asm_6643
+	inc hl
+	dec b
+	jr nz, .asm_660f
+	push de
+	call .AlreadyHaveFourMoves
+	pop de
+	jp c, .ConfirmStopLearning
+	push hl
+	push de
+	ld [wd151], a
+	ld b, a
+	ld a, [wBattleMode]
+	and a
+	jr z, .asm_6638
+	ld a, [wcbd3]
+	cp b
+	jr nz, .asm_6638
+	xor a
+	ld [wcbd3], a
+	ld [wcb53], a
+.asm_6638
+	call GetMoveName
+	ld hl, Text_1_2_and_Poof
+	call PrintText
+	pop de
+	pop hl
+.asm_6643
+	ld a, [wPutativeTMHMMove]
+	ld [hl], a
+	ld bc, $15
+	add hl, bc
+	push hl
+	push de
+	dec a
+	ld hl, Moves + MOVE_PP ; $5b03
+	ld bc, $7
+	call AddNTimes
+	ld a, BANK(Moves)
+	call GetFarByte
+	pop de
+	pop hl
+	ld [hl], a
+	ld a, [wBattleMode]
+	and a
+	jp z, .LearnedMove
+	ld a, [wCurPartyMon]
+	ld b, a
+	ld a, [wCurBattleMon]
+	cp b
+	jp nz, .LearnedMove
+	ld a, [wPlayerSubStatus5]
+	bit 3, a
+	jp nz, .LearnedMove
+	ld h, d
+	ld l, e
+	ld de, wBattleMonMoves
+	ld bc, $4
+	call CopyBytes
+	ld bc, $11
+	add hl, bc
+	ld de, wBattleMonPP
+	ld bc, $4
+	call CopyBytes
+	jp .LearnedMove
+
+.ConfirmStopLearning: ; 6694 (1:6694)
+	ld hl, Text_StopLearning
+	call PrintText
+	call YesNoBox
+	jp c, .loop
+	ld hl, Text_DidNotLearn
+	call PrintText
+	ld b, $0
+	ret
+
+.LearnedMove: ; 66a9 (1:66a9)
+	ld hl, Text_LearnedMove
+	call PrintText
+	ld b, $1
+	ret
+
+.AlreadyHaveFourMoves: ; 66b2 (1:66b2)
+	push hl
+	ld hl, Text_TryingToLearn
+	call PrintText
+	call YesNoBox
+	pop hl
+	ret c
+	ld bc, -4
+	add hl, bc
+	push hl
+	ld de, wListMoves_MoveIndicesBuffer
+	ld bc, $4
+	call CopyBytes
+	pop hl
+.asm_66cd
+	push hl
+	ld hl, Text_ForgetWhich
+	call PrintText
+	hlcoord 5, 2
+	ld b, $8
+	ld c, $d
+	call Textbox
+	hlcoord 7, 4
+	ld a, $28
+	ld [wBuffer1], a
+	predef ListMoves
+	ld a, $4
+	ld [w2DMenuCursorInitY], a
+	ld a, $6
+	ld [w2DMenuCursorInitX], a
+	ld a, [wNumMoves]
+	inc a
+	ld [w2DMenuNumRows], a
+	ld a, $1
+	ld [w2DMenuNumCols], a
+	ld [wMenuCursorY], a
+	ld [wcee1], a
+	ld a, $3
+	ld [wMenuJoypadFilter], a
+	ld a, $20
+	ld [w2DMenuFlags1], a
+	xor a
+	ld [w2DMenuFlags2], a
+	ld a, $20
+	ld [w2DMenuCursorOffsets], a
+	call StaticMenuJoypad
+	push af
+	call SafeLoadTempTilemapToTilemap
+	pop af
+	pop hl
+	bit 1, a
+	jr nz, .asm_6748
+	push hl
+	ld a, [wMenuCursorY]
+	dec a
+	ld c, a
+	ld b, $0
+	add hl, bc
+	ld a, [hl]
+	push af
+	push bc
+	call IsHMMove
+	pop bc
+	pop de
+	ld a, d
+	jr c, .asm_673f
+	pop hl
+	add hl, bc
+	and a
+	ret
+
+.asm_673f
+	ld hl, Text_CantForgetHM
+	call PrintText
+	pop hl
+	jr .asm_66cd
+
+.asm_6748
+	scf
+	ret
+
+Text_LearnedMove:
+	text_far Text_LearnedMove_
+	db "@"
+
+Text_ForgetWhich:
+	text_far Text_ForgetWhich_
+	db "@"
+
+Text_StopLearning:
+	text_far Text_StopLearning_
+	db "@"
+
+Text_DidNotLearn:
+	text_far Text_DidNotLearn_
+	db "@"
+
+Text_TryingToLearn:
+	text_far Text_TryingToLearn_
+	db "@"
+
+Text_1_2_and_Poof:
+	text_far Text_1_2_and_Poof_
+	text_asm
+	push de
+	ld de, SFX_SWITCH_POKEMON
+	call PlaySFX
+	pop de
+	ld hl, .PoofForgot
+	ret
+
+.PoofForgot:
+	text_far Text_PoofForgot_
+	db "@"
+
+Text_CantForgetHM:
+	text_far Text_CantForgetHM_
+	db "@"