PS2_FLAG_CMD1
ps2dev->flags |= PS2_FLAG_CMD | PS2_FLAG_CMD1;
!(ps2dev->flags & PS2_FLAG_CMD1), timeout);
if (ps2dev->cmdcnt && !(ps2dev->flags & PS2_FLAG_CMD1)) {
if (ps2dev->flags & PS2_FLAG_CMD1) {
ps2dev->flags &= ~PS2_FLAG_CMD1;