QAM_FQ_TAP_IM_EL0__A
rc = drxj_dap_read_reg16(dev_addr, QAM_FQ_TAP_IM_EL0__A + (2 * i), &data, 0);
rc = drxj_dap_write_reg16(dev_addr, QAM_FQ_TAP_IM_EL0__A + (2 * i), -data, 0);