KHBBS disc_bind

int sub_8815608(void)
{
    a1 = *(u8*)0x08b501a2;
    if(a1)
        return 1;
    a1 = *(u8*)0x08b501a1;
    if(a1)
        return 1;

    return 0;
}

typedef struct SceIoStat {
    SceMode             st_mode;        /* 00: file type(file/dir) and mode(RWX) */
    unsigned int        st_attr;        /* 04: device specific attribute */
    SceOff              st_size;        /* 08: file size */
    ScePspDateTime      st_ctime;       /* 10: time of file creation */
    ScePspDateTime      st_atime;       /* 20: time of last access */
    ScePspDateTime      st_mtime;       /* 30: time of last modification */
    unsigned int        st_private[6];  /* 40: reserved */
} SceIoStat;

int sub_880E720(int *pts, int *a1, a2, char *name, int t0, int t1)
{
    SceIoStat stat;

    a1[0] = 0;
    a1[4] = 0;
    a1[8] = 0;
    a1[12] = 0;
    s7 = t1&0xff;
    s5 = a1;
    s1 = a2;

    if(s7){
        s0 = 0x28b0e;
        while(1){
            v0 = sub_8815608();
            if(v0)
                break;
            s2 = sceIoGetstat(name, &stat);
            if(s2==0)
                break;
            sceKernelDelayThreadCB(0x28b0e);
        }
    }else{
        s2 = sceIoGetstat(name, &stat);
    }

    if(s2<0){
        s5[0] = s2;
    }else{
        a0 = stat.0x08;
        a1 = stat.0x0c

        a3 = *(u32*)0x08b25cf4;
        a2 = *(u32*)0x08b25cf0;
        t0 = a0+a2;
        t1 = (t0<a2)?1:0;
        a0 = t1+a1;
        a1 = a0+a3;

        a3 = *(u32*)0x08b25cfc;
        a2 = *(u32*)0x08b25cf8;
        a0 = t0;
        a1 = a1&a3;
        a0 = a0&a2;

        at = a1<<21;
        a0 = a0>>11;
        a1 = a1>>11;
        a0 = a0|at;

        s5[2] = a0;

        a0 = s1;
        s0 = -1;
        if(a0>0 && a0<4){
            a0 = s1<<4;
            a0 += 0x08b25cc0-0x10;
            s5[3] = a0;
        }

        a0 = s5[3];
        if(a0){
            if(s7){
                while(1){
                    v0 = sub_8815608();
                    if(v0)
                        break;
                    s1 = sceIoOpen(name, 0x40000001, 0);
                    if(s1>0){
                        s0 = sceIoIoctl(s1, 0x04100001, s5[3], 0x10, 0, 0);
                        if(s0<0){
                            sceIoClose(s1);
                        }else{
                            s0 = s1;
                        }
                    }else{
                        s0 = s1;
                    }
                    if(s0>0)
                        break;
                    sceKernelDelayThreadCB(0x28b0e);
                }
            }else{
                s4 = sceIoOpen(name, 0x40000001, 0);
                if(s4>0){
                    s0 = sceIoIoctl(s4, 0x04100001, s5[3], 0x10, 0, 0);
                    if(s0<0){
                        sceIoClose(s4);
                    }else{
                        s0 = s4;
                    }
                }else{
                    s0 = s4;
                }
            }
            s5[0] = s0;
        }

        if(s0<0){
            if(s7){
                if(fp<0){
                    s5[0] = fp;
                }else{
                    while(1){
                        v0 = sub_8815608();
                        if(v0)
                            break;
                        v0 = sub_8810110(1, 0);
                        if(v0>0){
                            s5[0] = v0;
                            break;
                        }
                        sceKernelDelayThreadCB(0x28b0e);
                    }
                }
                fp = stat.0x40
                s5[4] = fp;
            }else{
                v0 = sceIoOpen(name, 1, 0);
                s5[0] = v0;
            }
        }
    }

    a0 = s5[0];
    if(a0<0)
        return 0;
    else
        return 1;
}









int sub_880EA48(int *pts, char *dst, int length)
{
    pts[0] = dst;
    pts[1] = dst+0x30;

    a1 = *(u16*)(dst+0x08);
    a1 <<= 3;
    a1 += dst+0x30;
    pts[2] = a1;

    a1 = *(u32*)(dst+0x10);
    a1 += dst;
    pts[3] = a1;

    a3 = *(u32*)(dst+0x14);
    a3 += dst;
    pts[4] = a3;

    a3 = *(u16*)(dst+0x18);
    if(a3){
        a1 = a3<<11;
        a1 += dst;
    }else{
        a1 = 0;
    }
    pts[5] = a1;

    a1 = (length+0x07ff)>>11;
    a2 = *(u16*)(dst+0x1A);
    if(a1<a2)
        return 0;

    v0 = strcmp(dst, "bbsa", 4);
    if(v0)
        return 0;

    a0 = *(u16*)(dst+0x04);
    if(a0!=5)
        return 0;

    return 1;
}

int sub_880DE0C(char *pts, char *name, char *dst, int length, int flag)
{
    int *s0 = (int*)(pts+0x18);
    int v0, lba_len, fd, lba;

    v0 = sub_880E720(pts, s0, 0, name, -1, flag);
    if(v0==0)
        return 0;

    lba_len = (length+0x07ff)>>11;

    fd = s0[0];
    lba = s0[4];
    v0 = sub_88105D4(fd, lba, dst, lba_len);
    if(v0!=lba_len){
        if(fd>0)
            sceIoClose(fd);
        return 0;
    }

    sub_880EA48(pts, dst, length);
    return 1;

}

int sub_880DEF4(int a0, int index, int a2, char *name, int flag)
{
    char dst[2048];

    if(index==0 || index>4){
        return 0;
    }

    s0 = a0;
    s2 = a2;
    a0 = s0+0x18;
    t0 = *(u32*)a0;

    s4 = sub_880E720(s0, a2, index, name, t0, flag);
    if(s4==0){
        return 0;
    }

    s5 = 0;
    a1 = s2[3];
    fd = s2[0];
    if(flag && (a1==0)){
        lba = s2[1];
        v0 = sub_88105D4(fd, lba, dst, 1);
        s4 = v0^1;
        s5 = 0;
    }else{
        if(flag)
            s4 = 0;
        else
            s4 = 2;

        v0 = sub_8810320(fd, dst, 0x12, s4);
        s4 = v0^0x12;

        if(flag==0){
            do_lseek(fd, 0, 0);
            a1 = do_lseek(fd, 0, 2);
            if(a1>0){
                s5 = a1;
            }
            do_close(fd);
        }
    }
    s4 = !(s4);


    if(s4){
        s4 = sub_880EB1C(s0, dst, index);
    }

    return s4;
}




int discInfoBind(void)
{
    char buf[128], *dst;
    int *pt;

    pt = (int*)0x08b50120;
    dst = (char*)0x09a33740;

    sprintf(buf, "disc0:/PSP_GAME/USRDIR/BBS%d.DAT", 0);
    v0 = sub_880DE0C(*pt, buf, dst, 0x33000, 1);
    if(v0==0)
        return 0;

    for(id=1; id<5; id++){
        sprintf(buf, "disc0:/PSP_GAME/USRDIR/BBS%d.DAT", id);
        v0 = sub_880DEF4(*pt, i, *pt+i*16, buf, 1);
        if(v0==0)
            return 0;
    }

    *(int*)(0x09A667A8) = 1;
    return 0;
}