Function4e779

Function4e779: ; 4e779
    call DelayFrame
    push bc
    call JoyTextDelay
    ld a, [hJoyDown]
    pop bc
    and A_BUTTON
    jr nz, .pressed_a
    and B_BUTTON
    jr nz, .pressed_b
.loop
    dec c
    jr nz, Function4e779
    and a
    ret

.pressed_a
    ld a, [wd1e9]
    bit 0, a
    jr nz, .loop
    and a
    jr z, .loop
    dec a
    dec a
    jr .loop

.pressed_b
    ld a, [wd1e9]
    bit 0, a
    jr nz, .loop
    inc a
    inc a
    cp 8
    jr c, .loop
    scf
    ret
; 4e794