ref: 44fac4fd70de6deaa37fef23a481325c30ba7198
dir: /home/flag.asm/
Function2e50: ; 2e50 xor a ld hl, EventFlags ld [hli], a ret ; 2e56 Function2e56: ; 2e56 xor a ld hl, BikeFlags ld [hli], a ld [hl], a ret ; 2e5d Function2e5d: ; 2e5d ld a, [$d19a] cp $2 jr z, .asm_2e69 cp $1 jr z, .asm_2e69 ret .asm_2e69 ld hl, StatusFlags res 2, [hl] ret ; 2e6f EventFlagAction: ; 0x2e6f ld hl, EventFlags call FlagAction ret FlagAction: ; 0x2e76 ; Perform action b on bit de in flag array hl. ; inputs: ; b: function ; 0 clear bit ; 1 set bit ; 2 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 1 jr c, .clearbit ; 0 jr z, .setbit ; 1 ; 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 Function2ead: ; 2ead ld de, ENGINE_POKEDEX ld b, CHECK_FLAG callba EngineFlagAction ld a, c and a ret ; 2ebb