pokegold-spaceworld/engine/items/tmhm.asm

50 lines
831 B
NASM

INCLUDE "constants.asm"
SECTION "engine/items/tmhm.asm", ROMX
CanLearnTMHMMove: ; 04:528f
; Gets the index of TM or HM with move ID wce32,
; then checks the corresponding flag in wMonDexIndex's learnset.
; Sets register c to 1 if TM/HM is in learnset OR if debug is enabled.
ld a, [wDebugFlags]
ld c, 01
bit 1, a
ret nz
ld a, [wMonDexIndex]
ld [wCurSpecies], a
call GetMonHeader
ld hl, wMonHLearnset
push hl
ld a, [wce32]
ld b, a
ld c, 0
ld hl, TMHMMoves
.loop
ld a, [hli]
cp b
jr z, .jump
inc c
jr .loop
.jump
pop hl
ld b, 2 ;CHECK_FLAG
push de
ld d, 0
predef SmallFarFlagAction
pop de
ret
GetTMHMMove: ; 04:52C1
; converts TM/HM list index to TM/HM move ID
ld a, [wNamedObjectIndexBuffer]
dec a
ld hl, TMHMMoves
ld b, 0
ld c, a
add hl, bc
ld a, [hl]
ld [wNamedObjectIndexBuffer], a
ret