TCNT
[TCNT] = 6,
if ((reg_nr == TCNT) || (reg_nr == TGR))
if ((reg_nr == TCNT) || (reg_nr == TGR))
sh_mtu2_write(ch, TCNT, 0);
sh_tmu_write(ch, TCNT, 0xffffffff);
sh_tmu_write(ch, TCNT, delta);
return sh_tmu_read(ch, TCNT) ^ 0xffffffff;