ref: 2b40a1fb9c80b6667db1f63643a342c09f610979
dir: /home/flag.asm/
ResetMapBufferEventFlags:: ; 2e50 xor a ld hl, wEventFlags ld [hli], a ret ; 2e56 ResetBikeFlags:: ; 2e56 xor a ld hl, wBikeFlags ld [hli], a ld [hl], a ret ; 2e5d ResetFlashIfOutOfCave:: ; 2e5d ld a, [wEnvironment] cp ROUTE jr z, .outdoors cp TOWN jr z, .outdoors ret .outdoors ld hl, wStatusFlags res STATUSFLAGS_FLASH_F, [hl] ret ; 2e6f EventFlagAction:: ; 0x2e6f ld hl, wEventFlags call FlagAction ret FlagAction:: ; 0x2e76 ; Perform action b on bit de in flag array hl. ; inputs: ; b: function ; 0 RESET_FLAG clear bit ; 1 SET_FLAG set bit ; 2 CHECK_FLAG check bit ; de: bit number ; hl: index within bit table ; get index within the byte ld a, e and 7 ; shift de right by three bits (get the index within memory) srl d rr e srl d rr e srl d rr e add hl, de ; implement a decoder ld c, 1 rrca jr nc, .one rlc c .one rrca jr nc, .two rlc c rlc c .two rrca jr nc, .three swap c .three ; check b's value: 0, 1, 2 ld a, b cp SET_FLAG jr c, .clearbit ; RESET_FLAG jr z, .setbit ; SET_FLAG ; check bit ld a, [hl] and c ld c, a ret .setbit ; set bit ld a, [hl] or c ld [hl], a ret .clearbit ; clear bit ld a, c cpl and [hl] ld [hl], a ret ; 0x2ead CheckReceivedDex:: ; 2ead ld de, ENGINE_POKEDEX ld b, CHECK_FLAG farcall EngineFlagAction ld a, c and a ret ; 2ebb