#include "dolphin/dvd/dvderror.h"
#include "dolphin/os/OSRtc.h"

static u8 ErrorCode2Num(u32 errorCode);
void __DVDStoreErrorCode();

/* 803D16A8-803D16F0 02E7C8 0048+00 1/1 0/0 0/0 .data            ErrorTable */
static u32 ErrorTable[] = {
    0,          0x00023A00, 0x00062800, 0x00030200, 0x00031100, 0x00052000,
    0x00052001, 0x00052100, 0x00052400, 0x00052401, 0x00052402, 0x000B5A01,
    0x00056300, 0x00020401, 0x00020400, 0x00040800, 0x00100007, 0,
};

/* 8034BA6C-8034BB88 3463AC 011C+00 1/1 0/0 0/0 .text            ErrorCode2Num */
static u8 ErrorCode2Num(u32 errorCode) {
    u32 i;

    for (i = 0; i < sizeof(ErrorTable) / sizeof(ErrorTable[0]); i++) {
        if (ErrorTable[i] == errorCode) {
            return (u8)i;
        }
    }

    if ((errorCode >= 0x00100000) && (errorCode <= 0x00100008)) {
        return 17;
    }

    return 29;
}

/* 8034BB88-8034BC04 3464C8 007C+00 0/0 12/12 0/0 .text            __DVDStoreErrorCode */
static u8 Convert(u32 error) {
    u32 statusCode;
    u32 errorCode;
    u8 errorNum;

    if (error == 0x01234567)
        return 255;

    if (error == 0x01234568)
        return 254;

    statusCode = (error & 0xff000000) >> 24;
    errorCode = error & 0x00ffffff;

    errorNum = ErrorCode2Num(errorCode);
    if (statusCode >= 6)
        statusCode = 6;

    return (u8)(statusCode * 30 + errorNum);
}

void __DVDStoreErrorCode(u32 error) {
    OSSramEx* sram;
    u8 num;

    num = Convert(error);

    sram = __OSLockSramEx();
    sram->dvdErrorCode = num;
    __OSUnlockSramEx(TRUE);
}