MT_ST_OPTIONS
code = options & MT_ST_OPTIONS;
value = (options & ~MT_ST_OPTIONS);
if (value == ~MT_ST_OPTIONS) {
value = (options & ~MT_ST_OPTIONS);
value = (options & ~MT_ST_OPTIONS) & 0xff;
(mtc.mt_count & MT_ST_OPTIONS) == 0)) {
(mtc.mt_count & MT_ST_OPTIONS) != 0) {