Motorola MC68340 Specifikace stáhnout pdf (Strana 32)

}

return result;

}

/**************************************************************************/

/* Module : Test16BitRegister() */

/* Parameters : NONE */

/* Return Type : char */

/* Created On : 05/04/95 */

/* Modified On : 05/24/95 */

/* Description : This routine tests 16 bit accesses to the fifos. It */

/* writes then reads the pattern stored in TestBit16[]. */

/**************************************************************************/

char Test16BitRegister()

{

unsigned char result;

unsigned short int StoredValue,Loop;

result = FALSE;

for (Loop=0;Loop<6;++Loop)

FIFO = TestBit16[Loop];

for (Loop=0;Loop<6;++Loop)

{

StoredValue = FIFO;

if (StoredValue != TestBit16[Loop])

{

DisplayErrorMessage(StoredValue,TestBit16[Loop]);

if(!(AskUser())) return ERROR;

result = ERROR;

}

return result;

}

/**************************************************************************/

/* Module : Test8Write16Read() */

/* Parameters : NONE */

/* Return Type : char */

/* Created On : 05/04/95 */

/* Modified On : 05/23/95 */

/* Description : This routine does 8 bit writes and 16 bit reads from the*/

/* fifos. This test makes sure that fifos are accessed */

/* properly. */

/**************************************************************************/

char Test8Write16Read()

{

unsigned short int StoredValue;

unsigned short int Loop,result;

result = FALSE;

for (Loop=0;Loop<6;++Loop)

{

FIFOA = TestBit8[Loop]; /*8 bit writes from TestBit8[] */

FIFOB = TestBit8[Loop+6];

}

for (Loop=0;Loop<6;++Loop)

{

StoredValue = FIFO; /*16 bit read from FIFO */

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