TSTR
_reg_bset_1(TSTR, TSTR_CH);
_reg_bclr_1(TSTR, TSTR_CH);
_reg_bclr_1(TSTR, TSTR_CH);
_reg_bclr_1(SH_(TSTR), TSTR_STR##x); \
_reg_bset_1(SH_(TSTR), TSTR_STR##x); \
_reg_write_1(SH_(TSTR), 0);
_reg_write_1(SH_(TSTR), 0);
_reg_bclr_1(SH_(TSTR), TSTR_STR0);
_reg_bset_1(SH_(TSTR), TSTR_STR0);
_reg_bset_1(SH_(TSTR), TSTR_STR2);
SH ## x ## REG(TSTR); \
_reg_bclr_1(SH_(TSTR), TSTR_STR1);
_reg_bset_1(SH_(TSTR), TSTR_STR1);
_reg_bclr_1(SH_(TSTR), TSTR_STR1);