circuitpython/tests/inlineasm/asmshift.py

@micropython.asm_thumb
def lsl1(r0):
    lsl(r0, r0, 1)


print(hex(lsl1(0x123)))


@micropython.asm_thumb
def lsl23(r0):
    lsl(r0, r0, 23)


print(hex(lsl23(1)))


@micropython.asm_thumb
def lsr1(r0):
    lsr(r0, r0, 1)


print(hex(lsr1(0x123)))


@micropython.asm_thumb
def lsr31(r0):
    lsr(r0, r0, 31)


print(hex(lsr31(0x80000000)))


@micropython.asm_thumb
def asr1(r0):
    asr(r0, r0, 1)


print(hex(asr1(0x123)))


@micropython.asm_thumb
def asr31(r0):
    asr(r0, r0, 31)


print(hex(asr31(0x80000000)))