dxromswap.c

#include "spider.h"
#include "fs.h"

int uvl_entry()
{
    FILE *fin = (void *)0x08F10000;
    unsigned int addr;
    int *buf = 0x18410000;
    int *read_len = 0x08F10020;
    int i;
    unsigned int offset;


    addr = 0x16800000;
    offset = 0;

    GSPGPU_FlushDataCache(addr, 0x10000);
    GX_SetTextureCopy(addr, buf, 0x10000, 0, 0, 0, 0, 8);
    GSPGPU_FlushDataCache(buf, 0x10000);
    svcSleepThread(0x400000LL);

    offset = 0;
    for (i = 0; i < 0x4000; i++)
    {
        if (buf[i] == 0x0028B7C3)
        {
            offset = addr + (i * 4);
        }
    }

    if (offset != 0)
    {
        IFile_Open(fin, L"dmc:/rom.gbc", FILE_R);
        fin->pos = 0x00;

        for (addr = offset; addr < (offset + 0x100000); addr += 0x10000)
        {
            IFile_Read(fin, read_len, buf, 0x10000);
            GSPGPU_FlushDataCache(buf, 0x10000);
            GX_SetTextureCopy(buf, addr, 0x10000, 0, 0, 0, 0, 8);
            GSPGPU_FlushDataCache(addr, 0x10000);
            svcSleepThread(0x400000LL);
        }
    }

    return 0;
}