[_CD4_]<dragon7.0>SmallCache>Oracle>IORam.oracle!1

IORam.oracle

Pradeep Sindhu August 4, 1987 7:53:52 pm PDT

Paraminder Sahai July 28, 1987 12:26:27 pm PDT

TEST COMPLETED July 22, 1987 4:03:19 pm PDT

Note that clock supplied to circuit is half the speed of the oracle clock, so that one "cycle" corresponds to two lines in this file.

The cache parameters assumed are:

numBitsPerByte: 2, numBytesPerWord: 4, numCyclesPerLine: 4, numIOLines: 3

The Signal Order is:

Select0 Select1 RdRam WtRam SelWdData ByteSel WdAdrs WdWtData BlkWtData | WdRdData BlkRdData Interrupt Bit nBit

Wait for x's to get flushed out of the control part:

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Check word writes and reads:

Write AA to CWSOld

0 0 0 1 1 F 1 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 F 1 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

4 0 0 0 0 0 0 AA 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to

0 0 1 0 1 0 1 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 1 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

4 0 0 0 0 0 0 00 0000000000000000 | AA xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | AA xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Write C1 to CWSnew

0 0 0 1 1 F 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 F 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

4 0 0 0 0 0 0 C1 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to

0 0 1 0 1 0 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

4 0 0 0 0 0 0 00 0000000000000000 | C1 xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | C1 xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Write D8 to Aid

0 0 0 1 1 F 1 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 F 1 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 D8 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to

0 0 1 0 1 0 1 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 1 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | D8 xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | D8 xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Write 9F to FaultCode

0 0 0 1 1 F 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 F 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 9F 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to

0 0 1 0 1 0 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | 9F xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | 9F xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Write 9B to InterruptStatus

0 0 0 1 1 F 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 F 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 9B 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | 9B xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | 9B xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Write AF to InterruptMask Also check that Interrupt goes High:

0 0 0 1 1 F 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 F 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx x FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 AF 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to

0 0 1 0 1 0 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | AF xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | AF xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Write E3 to Bit Modes

0 0 0 1 1 F 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 F 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

1 0 0 0 0 0 0 E3 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

1 0 0 0 0 0 0 00 0000000000000000 | E3 xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | E3 xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Write 00 to InterruptMask and see that Interrupt becomes low again

0 0 0 1 1 F 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 F 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to

0 0 1 0 1 0 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | 00 xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | 00 xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read words containing LocalFaultCodes:

Read word 41

0 0 1 0 1 0 1 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 1 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 1 0 0 0 0 0 00 0000000000000000 | FF xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | FF xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Read word 43

0 0 1 0 1 0 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 1 0 0 0 0 0 00 0000000000000000 | FF xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | FF xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Read word 45

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 1 0 0 0 0 0 00 0000000000000000 | FF xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | FF xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Read word 47

0 0 1 0 1 0 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 1 0 0 0 0 0 00 0000000000000000 | FF xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | FF xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Read CWSOld, CWSNew, AId, FaultCode, InterruptStatus, InterruptMask, BitMode again to make
sure:

Read CWSOld

0 0 1 0 1 0 1 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 1 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

4 0 0 0 0 0 0 00 0000000000000000 | AA xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | AA xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Read CWSNew

0 0 1 0 1 0 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

4 0 0 0 0 0 0 00 0000000000000000 | C1 xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | C1 xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Read AId

0 0 1 0 1 0 1 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 1 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | D8 xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | D8 xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Read FaultCode

0 0 1 0 1 0 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | 9F xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | 9F xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Read InterruptStatus

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | 9B xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | 9B xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Read InterruptMask

0 0 1 0 1 0 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | 00 xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | 00 xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Read BitModes

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

1 0 0 0 0 0 0 00 0000000000000000 | E3 xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | E3 xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Write 01 to InterruptMask and see that Interrupt becomes high again

0 0 0 1 1 F 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 F 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 01 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to

0 0 1 0 1 0 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | 01 xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | 01 xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Try writing using different values of Byte Select

Write FF to InterruptMask with ByteSelect = A

0 0 0 1 1 A 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 A 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 FF 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to ( should read as 11001101 ie CD )

0 0 1 0 1 0 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | CD xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | CD xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Write 0C to InterruptStatus with Byte select = 6

0 0 0 1 1 6 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 6 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 0C 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to (should read as 8F )

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | 8F xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | 8F xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Write F0 to FaultCode with Byte select = B

0 0 0 1 1 B 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 B 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 F0 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to (Should read as D0)

0 0 1 0 1 0 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 3 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | D0 xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | D0 xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Write 70 to InterruptMask and see that Interrupt becomes low again

0 0 0 1 1 F 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 F 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 70 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to

0 0 1 0 1 0 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 7 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | 70 xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | 70 xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Check the Set and Clesr circuitry for InterruptStatus

Set: Select the Set cell and let the bit vector be 56

The select line is made high half a cycle late to avoid changing precharge and select at the

same time:

0 0 0 1 1 F 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 F 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 0 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 2 0 0 0 0 0 56 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | DF xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | DF xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Set: Select the clear cell and let the bit vector be 00

0 0 0 1 1 F 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 F 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

2 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | DF xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | DF xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Set: Select the clear cell and let the bit vector be 0F

0 0 0 1 1 F 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 1 1 F 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

2 0 0 0 0 0 0 0F 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

Now read the word just writen to

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 1 0 1 0 5 00 0000000000000000 | xx xxxxxxxxxxxxxxxx 1 FFFFFFFFFFFFFFFF FFFFFFFFFFFFFFFF

0 4 0 0 0 0 0 00 0000000000000000 | D0 xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

0 0 0 0 0 0 0 00 0000000000000000 | D0 xxxxxxxxxxxxxxxx 1 xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx

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