MicroBit

input.onButtonPressed(Button.A, function () {
    if (iscooldown == true) {
        return
    }
    i = Math.clamp(0,Infinity,i + 1)
basic.showNumber(i)
    while (true) {
        wait(delta_time)
        timepassed += delta_time
        console.log(timepassed)
if (timepassed >= cooldown) {
            break;
        }
    }
    timepassed = 0
    iscooldown = false
})
function wait (second: number) {
    n = second * 1000
    basic.pause(n)
    return n
}
input.onButtonPressed(Button.AB, function () {
    timepassed = 0
    timepassed2 = 0
    i = 0
    basic.showNumber(i)
    for (let value of music_data) {
        if (last_value == value) {
            wait(delta_time)
        }
        music.playTone(value, music.beat(BeatFraction.Whole))
        last_value = value
    }
})
input.onButtonPressed(Button.B, function () {
    if (iscooldown == true) {
        return
    }
    i = Math.clamp(0, Infinity, i - 1)
basic.showNumber(i)
    while (true) {
        wait(delta_time)
        timepassed2 += delta_time
        console.log(timepassed2)
if (timepassed2 >= cooldown) {
            break;
        }
    }
    timepassed2 = 0
    iscooldown = false
})
let last_value = 0
let n = 0
let cooldown = 0
let iscooldown = false
let music_data: number[] = []
let delta_time = 0
let timepassed = 0
let timepassed2 = 0
let i = 0
delta_time = 0.016
basic.showNumber(i)
// 330 = E | 294 = D | 262 = C
music_data = [
330,
294,
262,
294,
330,
330,
330,
294,
294,
294,
330,
330,
330,
294,
262,
294,
330,
330,
330,
294,
294,
330,
294,
262
]