LCOM1920-T5G03

int (kbd_poll)(uint8_t bytes[], uint8_t *size){

    if(bytes == NULL || size == NULL) return 1;

    uint8_t c;

    if(kbd_read_byte(&c)) return 1;

    if(c == TWO_BYTE_CODE){

        if(kbd_read_byte(&bytes[0])) return 1;

        bytes[1] = c;

        *size = 2;

    }else{

        bytes[1] = 0;

        bytes[0] = c;

        *size = 1;

    }

    return 0;

}

int (kbd_read_byte)(uint8_t *value){

    uint8_t stat;

    while(1){

        if(util_sys_inb(STATUS_REG, &stat)) return 1;

        if((stat&OUT_BUF_FUL) && ((stat&AUX_MOUSE)^AUX_MOUSE)){

            if(stat & (PARITY_ERROR | TIME_OUT_REC)) return 1;

            else return util_sys_inb(OUTPUT_BUF, value);

        }

        tickdelay(micros_to_ticks(DELAY));

    }

}