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void SendByte(uint8 _data) {
        volatile int msr;
        int tmo;

        for (tmo = 0; tmo < 9999999; tmo++) {
                msr = inb(FDC_MSR);
                if ((msr & 0xc0) == 0x80) {
                        outb(FDC_DATA, _data);
                        return;
                }

                inb(0x80);
        }

        kprintf("SEND BYTE TIMEOUT\n");
}


int ReadByte() {
        volatile int msr;
        int tmo;

        for (tmo = 0; tmo < 9999999; tmo++) {
                msr = inb(FDC_MSR);
                if ((msr & 0xd0) == 0xd0)
                        return inb(FDC_DATA);
                
                inb(0x80);
        }
        
        kprintf("READ BYTE TIMEOUT\n");
        return -1;
}

void SeekCylinder(uint32 cylinder) {
        uint32 st0 = 0, cyl = 0;
        uint32 iTO;
        
        g_FloppyStatus = FDD_SEEKING;

        SendByte(CMD_SEEK);
        SendByte(0x0);
        SendByte(cylinder);

        WaitFloppy();
        
        SendByte(CMD_SIS);

        st0 = ReadByte();
        cyl = ReadByte();
}


void ReadFDDSector(int _block, char* _buffer) {
        uint32 cyl, sect, head, i, st0, st1, st2, c,h,s,ns;
        LBA2CHS(_block, &cyl, &head, ?);    

        if (_buffer >= 0xA0000)
                StartDMA(DMA_FLOPPY, DMA_READ, 0x90000, 511);
        else
                StartDMA(DMA_FLOPPY, DMA_READ, _buffer, 511);

        kprintf("SEEKING!\n");
        SeekCylinder(cyl);

        g_FloppyStatus = FDD_READING;
        SendByte(CMD_READ);
        SendByte(head << 2);
        SendByte(cyl);
        SendByte(head);
        SendByte(sect);
        SendByte(2);
        SendByte(1);
        SendByte(FD_GAP3RW);
        SendByte(0xFF);

        kprintf("WAITING!\n");
        WaitFloppy();

        st0 = ReadByte();
        st1 = ReadByte();
        st2 = ReadByte();
        c = ReadByte();
        h = ReadByte();
        s = ReadByte();
        ns = ReadByte();

        if (_buffer >= 0xA0000)^M
                memcpy(_buffer, 0x90000, 512);

        int a = 0;
        for (a = 0; a < 512; a++)

                kprintf("%c", _buffer[a]);

        kprintf("\n");
}