circuitpython/tests/inlineasm/asmargs.py

# test passing arguments


@micropython.asm_thumb
def arg0():
    mov(r0, 1)


print(arg0())


@micropython.asm_thumb
def arg1(r0):
    add(r0, r0, 1)


print(arg1(1))


@micropython.asm_thumb
def arg2(r0, r1):
    add(r0, r0, r1)


print(arg2(1, 2))


@micropython.asm_thumb
def arg3(r0, r1, r2):
    add(r0, r0, r1)
    add(r0, r0, r2)


print(arg3(1, 2, 3))


@micropython.asm_thumb
def arg4(r0, r1, r2, r3):
    add(r0, r0, r1)
    add(r0, r0, r2)
    add(r0, r0, r3)


print(arg4(1, 2, 3, 4))