ZSWR15_CTS_IE
cs->cs_preg[15] |= ZSWR15_CTS_IE;
cs->cs_creg[15] |= ZSWR15_CTS_IE;
cs->cs_preg[15] &= ~ZSWR15_CTS_IE;
cs->cs_creg[15] &= ~ZSWR15_CTS_IE;
cs->cs_preg[15] |= ZSWR15_CTS_IE;
cs->cs_preg[15] &= ~ZSWR15_CTS_IE;
SET(tmp15, ZSWR15_CTS_IE);
CLR(tmp15, ZSWR15_CTS_IE);