_reg_bset_1
_reg_bset_1(LANDISK_INTEN, (1 << (irq - 5)));
_reg_bset_1(LANDISK_INTEN, (1 << irq));
_reg_bset_1(TSTR, TSTR_CH);
_reg_bset_1(SH_(TSTR), TSTR_STR##x); \
_reg_bset_1(SH_(RCR2), SH_RCR2_ENABLE);
_reg_bset_1(SH_(TSTR), TSTR_STR0);
_reg_bset_1(SH_(TSTR), TSTR_STR2);
_reg_bset_1(SH_(TSTR), TSTR_STR1);