ESC_SELECT_S
mode &= ~ESC_SELECT_S;
sync = ((mode & ESC_SELECT_S) ? 1 : 0);
#define ESC_SELECT_RS (ESC_SELECT_R|ESC_SELECT_S)
#define ESC_SELECT_SI (ESC_SELECT_S|ESC_SELECT_I)
#define ESC_SELECT_RSI (ESC_SELECT_R|ESC_SELECT_S|ESC_SELECT_I)