IOP_TEST_PARAM0
#define IOP_TEST_PARAM IOP_TEST_PARAM0
const uint16_t divisor = inw(IOP_TEST_PARAM0);
if (vexit_match_inout(vexit, true, IOP_TEST_PARAM0, 2, NULL)) {
if (vexit_match_inout(vexit, true, IOP_TEST_PARAM0, 4, NULL)) {
const uint32_t count = inl(IOP_TEST_PARAM0);