sigma_set_register(WRITE_MODE, WMR_FORCESTOP | WMR_SDRAMWRITEEN, devc);
do {
if (sigma_read_register(READ_MODE, &modestatus, 1, devc) != 1) {
sigma_set_register(WRITE_MODE, WMR_FORCESTOP | WMR_SDRAMWRITEEN, devc);
do {
if (sigma_read_register(READ_MODE, &modestatus, 1, devc) != 1) {