static void sd_response_r1_make(SDState *sd, uint8_t *response) { uint32_t status = sd->card_status; /* Clear the "clear on read" status bits (except APP_CMD) */ sd->card_status &= ~CARD_STATUS_C | APP_CMD; response[0] = (status >> 24) & 0xff; response[1] = (status >> 16) & 0xff; response[2] = (status >> 8) & 0xff; response[3] = (status >> 0) & 0xff; }