from microbit import *
display.off()

pin8.write_digital(0) # 1
pin9.write_digital(0) # 2
pin10.write_digital(0) # 3
pin12.write_digital(0) # 4

speed = 5
while True:
    if button_a.get_presses(): # full step mod
        for n in range(12):
            pin8.write_digital(1) # 1
            pin10.write_digital(1) # 3
            sleep(speed)
            pin8.write_digital(0) # 1
            pin10.write_digital(0) # 3

            pin8.write_digital(1) # 1
            pin12.write_digital(1) # 4
            sleep(speed)
            pin8.write_digital(0) # 1
            pin12.write_digital(0) # 4

            pin9.write_digital(1) # 2
            pin12.write_digital(1) # 4
            sleep(speed)
            pin9.write_digital(0) # 2
            pin12.write_digital(0) # 4

            pin9.write_digital(1) # 2
            pin10.write_digital(1) # 3
            sleep(speed)
            pin9.write_digital(0) # 2
            pin10.write_digital(0) # 3

    if button_b.get_presses(): # half step mod
        for n in range(12):
            pin8.write_digital(1) # 1
            pin10.write_digital(1) # 3
            sleep(speed)
            pin8.write_digital(0) # 1
            pin10.write_digital(0) # 3

            pin8.write_digital(1) # 1
            sleep(speed)
            pin8.write_digital(0) # 1

            pin8.write_digital(1) # 1
            pin12.write_digital(1) # 4
            sleep(speed)
            pin8.write_digital(0) # 1
            pin12.write_digital(0) # 4

            pin12.write_digital(1) # 4
            sleep(speed)
            pin12.write_digital(0) # 4

            pin9.write_digital(1) # 2
            pin12.write_digital(1) # 4
            sleep(speed)
            pin9.write_digital(0) # 2
            pin12.write_digital(0) # 4

            pin9.write_digital(1) # 2
            sleep(speed)
            pin9.write_digital(0) # 2

            pin9.write_digital(1) # 2
            pin10.write_digital(1) # 3
            sleep(speed)
            pin9.write_digital(0) # 2
            pin10.write_digital(0) # 3

            pin10.write_digital(1) # 3
            sleep(speed)
            pin10.write_digital(0) # 3