pokegold-spaceworld/engine/items/tmhm.asm
DrippingYellow e384ea25ec
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Finish labelling and split off bank03, bank09, and bank0b (#119)
* Fully labelled bank09.asm, started bank03.asm

* Finished labelling bank03.asm and bank0b.asm

* Tying up loose ends, splitting most of the completely labelled bank dumps

* Moved pokedex letter graphics out of charmap
2025-07-30 17:35:58 -04:00

51 lines
848 B
NASM

INCLUDE "constants.asm"
SECTION "engine/items/tmhm.asm", ROMX
CanLearnTMHMMove:
; Gets the index of TM or HM with move ID wPutativeTMHMMove,
; then checks the corresponding flag in wCurPartySpecies'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 DEBUG_FIELD_F, a
ret nz
ld a, [wCurPartySpecies]
ld [wCurSpecies], a
call GetBaseData
ld hl, wMonHLearnset
push hl
ld a, [wPutativeTMHMMove]
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, CHECK_FLAG
push de
ld d, 0
predef SmallFarFlagAction
pop de
ret
GetTMHMMove:
; 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