Ibase MB886 User Manual download pdf (Page 28)

INSTALLATIONS

24 MB886 User’s Manual

//===========================================================================

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY

// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE

// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR

// PURPOSE.

//===========================================================================

#include "W627EHF.H"

#include <dos.h>

//===========================================================================

unsigned int W627EHF_BASE;

void Unlock_W627EHF (void);

void Lock_W627EHF (void);

//===========================================================================

unsigned int Init_W627EHF(void)

{

unsigned int result;

unsigned char ucDid;

W627EHF_BASE = 0x2E;

result = W627EHF_BASE;

ucDid = Get_W627EHF_Reg(0x20);

if (ucDid == 0x88)

{ goto Init_Finish; }

W627EHF_BASE = 0x4E;

result = W627EHF_BASE;

ucDid = Get_W627EHF_Reg(0x20);

if (ucDid == 0x88)

{ goto Init_Finish; }

W627EHF_BASE = 0x00;

result = W627EHF_BASE;

Init_Finish:

return (result);

}

//===========================================================================

void Unlock_W627EHF (void)

{

outportb(W627EHF_INDEX_PORT, W627EHF_UNLOCK);

}

//===========================================================================

void Lock_W627EHF (void)

{

outportb(W627EHF_INDEX_PORT, W627EHF_LOCK);

}

//===========================================================================

void Set_W627EHF_LD( unsigned char LD)

{

Unlock_W627EHF();

outportb(W627EHF_INDEX_PORT, W627EHF_REG_LD);

outportb(W627EHF_DATA_PORT, LD);

Lock_W627EHF();

}

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Ibase MB886 User Manual Page 28

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