[Indigo]<Dragon>CrossRAM>CrossRAMTest.mesa!13

CrossRAMTest.mesa

Last edited by Barth, July 3, 1985 12:17:08 pm PDT

DIRECTORY

Basics,

BitmapViewer,

ImagerPixelMaps,

ImagerPixelMapsExtras,

Rope,

Sage,

TerminalIO,

ViewRec;

CrossRAMTest: CEDAR PROGRAM

IMPORTS Basics, BitmapViewer, ImagerPixelMaps, ImagerPixelMapsExtras, Sage, TerminalIO, ViewRec =

BEGIN

OPEN Sage;

HM6116: BOOL = FALSE; -- False means CrossRAM

DefaultAddressState: DriveState = H;

Common to all patterns

UnusedPulsePair: PulsePair = 4;

PrechargePulsePair: PulsePair = 0;

AccessPulsePair: PulsePair = 1;

AddressPulsePair: PulsePair = 2;

DataOutPulsePair: PulsePair = 3;

DataInPulseLine: PulseLine = 6;

AddressIndex: TYPE = [0..11);

DataIndex: TYPE = [0..33);

LastDataIndex: DataIndex = IF HM6116 THEN 7 ELSE 32;

ChipSelectChannel: Channel = 57; -- HM6116 only

PrechargeChannel: Channel = 25; -- CrossRAM only

AccessChannel: Channel = 22; -- CrossRAM only

WriteChannel: Channel = IF HM6116 THEN 60 ELSE 26;

ReadChannel: Channel = IF HM6116 THEN 59 ELSE 27;

AddressChannels: ARRAY AddressIndex OF Channel;

DataChannels: ARRAY DataIndex OF Channel;

pulseTaps: PulseLineTaps ← NEW[PulseLineTapRec];

channelControl: ChannelControlData ← NEW[ChannelControlDataRec];

initialData: ChannelVector ← NEW[ChannelVectorRec];

InitializeTaps: PROCEDURE [pulseTaps: PulseLineTaps, uh: UserHandle] = TRUSTED {

OPEN pulseTaps, uh;

lastUnassignedTap: Tap ← LAST[Tap];

UsedPulseLineIndex: TYPE = [0..11);

usedPulseLines: ARRAY UsedPulseLineIndex OF PulseLine ← [0, 1, 2, 3, 6, 7, 8, 9, 10, 11, 15];

UnusedPulseLineIndex: TYPE = [0..5);

unusedPulseLines: ARRAY UnusedPulseLineIndex OF PulseLine ← [4, 5, 12, 13, 14];

taps[WidthPulseLine] ← width;

taps[CyclePulseLine] ← cycle;

taps[PrechargePulsePair] ← prechargeM;

taps[PrechargePulsePair+8] ← prechargeS;

taps[AccessPulsePair] ← accessM;

taps[AccessPulsePair+8] ← accessS;

taps[AddressPulsePair] ← addressM;

taps[AddressPulsePair+8] ← addressS;

taps[DataOutPulsePair] ← dataM;

taps[DataOutPulsePair+8] ← dataS;

taps[DataInPulseLine] ← dataIn;

FOR unpl: UnusedPulseLineIndex IN UnusedPulseLineIndex DO

UNTIL lastUnassignedTap=FIRST[Tap] DO

FOR upl: UsedPulseLineIndex IN UsedPulseLineIndex DO

IF taps[usedPulseLines[upl]]=lastUnassignedTap THEN EXIT

REPEAT

FINISHED => GOTO FoundUnassignedTap;

ENDLOOP;

lastUnassignedTap ← lastUnassignedTap-1;

REPEAT

FoundUnassignedTap => {

taps[unusedPulseLines[unpl]] ← lastUnassignedTap;

lastUnassignedTap ← lastUnassignedTap-1;

};

FINISHED => ERROR;

ENDLOOP;

};

SetRAMCycle: PROC [cv: ChannelVector, cycle: CycleIndex, address: Address, data: LONG CARDINAL, parity: BOOL, write: BOOL] = TRUSTED {

OPEN cv;

FirstDataBit: DataIndex = IF HM6116 THEN 25 ELSE 0;

thisStage: OutputStage ← 2*cycle;

nextStage: OutputStage ← thisStage+1;

pb: DriveState ← IF NOT write THEN T ELSE IF parity THEN H ELSE L;

d1: LongAsWords ← [Basics.HighHalf[LOOPHOLE[data, LONG CARDINAL]], Basics.LowHalf[LOOPHOLE[data, LONG CARDINAL]]];

d: WordsAsBool ← LOOPHOLE[d1, WordsAsBool];

a: WordAsBool ← LOOPHOLE[address];

FOR ai: AddressIndex IN AddressIndex DO

ab: DriveState ← IF a[ai+FirstAddressBit] THEN H ELSE L;

stageData[AddressChannels[ai]].force[thisStage] ← ab;

stageData[AddressChannels[ai]].force[nextStage] ← ab;

ENDLOOP;

FOR di: DataIndex IN [0..LastDataIndex) DO

bi: [0..32) ← di+FirstDataBit;

db: DriveState ← IF NOT write THEN T ELSE IF d[bi] THEN H ELSE L;

stageData[DataChannels[di]].force[thisStage] ← db;

stageData[DataChannels[di]].force[nextStage] ← db;

stageData[DataChannels[di]].sense[currentCycle] ← d[bi];

IF write THEN PutBit[dataBitmap, address, di, d[bi]];

ENDLOOP;

stageData[DataChannels[LastDataIndex]].force[thisStage] ← pb;

stageData[DataChannels[LastDataIndex]].force[nextStage] ← pb;

stageData[DataChannels[LastDataIndex]].sense[currentCycle] ← parity;

IF write THEN PutBit[dataBitmap, address, LastDataIndex, parity];

stageData[WriteChannel].force[thisStage] ← IF HM6116 THEN H ELSE L;

stageData[WriteChannel].force[nextStage] ← IF (NOT HM6116 AND write) OR (HM6116 AND NOT write) THEN H ELSE L;

stageData[ReadChannel].force[thisStage] ← IF HM6116 THEN H ELSE L;

stageData[ReadChannel].force[nextStage] ← IF (NOT HM6116 AND NOT write) OR (HM6116 AND write) THEN H ELSE L;

};

Control Panel

CycleData: TYPE = RECORD [

write: BOOL ← FALSE,

address: Address ← 0,

parity: BOOL ← FALSE,

data: LONG CARDINAL ← 0];

UserHandle: TYPE = REF UserRec;

UserRec: TYPE = RECORD [

width: Tap ← 0, cycle: Tap ← 63,

prechargeS: Tap ← IF HM6116 THEN 62 ELSE 25,

prechargeM: Tap ← IF HM6116 THEN 61 ELSE 15,

accessS: Tap ← IF HM6116 THEN 30 ELSE 30,

accessM: Tap ← IF HM6116 THEN 7 ELSE 7,

addressS: Tap ← IF HM6116 THEN 5 ELSE 5,

addressM: Tap ← IF HM6116 THEN 1 ELSE 1,

dataS: Tap ← IF HM6116 THEN 13 ELSE 13,

dataM: Tap ← IF HM6116 THEN 6 ELSE 6,

dataIn: Tap ← IF HM6116 THEN 14 ELSE 14,

reportVectors: BOOL ← FALSE,

reportErrors: BOOL ← FALSE,

quit: BOOL ← FALSE,

dicentraName: Rope.ROPE ← "Grumpy",

connected: BOOL ← FALSE,

Connect: PROC[uh: UserHandle],

IllinoisPattern: PROC[uh: UserHandle],

WriteReadPattern: PROC[uh: UserHandle],

ScopeLoop: PROC[uh: UserHandle],

scopeLoopData: ARRAY CycleIndex OF CycleData

];

Start: PROCEDURE = TRUSTED {

h: UserHandle ← NEW [UserRec];

h.ScopeLoop ← ScopeLoop;

h.Connect ← Connect;

h.IllinoisPattern ← IllinoisPattern;

h.WriteReadPattern ← WriteReadPattern;

AddressChannels ← IF HM6116 THEN [6, 5, 4, 3, 2, 1, 0, 7, 62, 61, 58]

ELSE [21, 20, 19, 17, 16, 15, 14, 12, 11, 10, 9];

DataChannels ← IF HM6116 THEN [8, 9, 10, 52, 53, 54, 55, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

ELSE [5, 4, 3, 2, 0, 63, 62, 61, 59, 58, 57, 56, 54, 53, 52, 51, 49, 48, 47, 46, 44, 43, 42, 41, 38, 37, 36, 35, 33, 32, 31, 30, 28];

[] ← ViewRec.ViewRef[agg: h, specs: ViewRec.BindAllOfATypeFromRefs[h, NEW[UserHandle ← h]], createOptions: [maxEltsHeight: 600], viewerInit: [iconic: FALSE, name: "CrossRAM Tester"], paint: TRUE];

dataViewer ← BitmapViewer.Create[info: [name: "CrossRAM Data Bit Map"]];

dataBitmap ← ImagerPixelMaps.Create[0, rectangle];

errorViewer ← BitmapViewer.Create[info: [name: "CrossRAM Error Bit Map"]];

errorBitmap ← ImagerPixelMaps.Create[0, rectangle];

BitmapViewer.SetBitmap[dataViewer, dataBitmap];

BitmapViewer.SetBitmap[errorViewer, errorBitmap];

};

Connect: PROCEDURE [uh: UserHandle] = TRUSTED {

TRUSTED {

SageRpcControl.ImportInterface[interfaceName: [NIL, uh.dicentraName]];

uh.connected ← TRUE;

};

Bit map

LastRow: INT = IF HM6116 THEN 127 ELSE 255;

LastColumn: INT = IF HM6116 THEN 127 ELSE 263;

rectangle: BitmapViewer.DeviceRectangle = [0, 0, LastRow, LastColumn];

dataViewer: BitmapViewer.Viewer;

dataBitmap: ImagerPixelMaps.PixelMap;

errorViewer: BitmapViewer.Viewer;

errorBitmap: ImagerPixelMaps.PixelMap;

PutBit: PROC[bitmap: ImagerPixelMaps.PixelMap, address: Address, bit: DataIndex, data: BOOL] = {

the low order bits address left to right

the high order bits address from top to bottom

the data bits are in order from left to right

address ← Basics.BITXOR[address, 2A0H];

ImagerPixelMapsExtras.SetBit[bitmap, IF HM6116 THEN address/16 ELSE address/8, IF HM6116 THEN bit*16 + (address MOD 16) ELSE bit*8 + (address MOD 8), LOOPHOLE[data, CARDINAL]];

};

Refresh: PROC = {

BitmapViewer.TouchUp[dataViewer, rectangle];

BitmapViewer.TouchUp[errorViewer, rectangle];

};

ClearErrorMap: PROC = {

FOR address: Address IN Address DO

FOR bit: DataIndex IN [0..LastDataIndex] DO

PutBit[errorBitmap, address, bit, FALSE];

ENDLOOP;

};

Illinois pattern

Address: TYPE = [0..2048);

FirstAddressBit: CARDINAL = 5;

Size: INT = LAST[Address]+1;

CycleIndex: TYPE = [0..16);

SenseBuffer: TYPE = REF SenseBufferRec;

SenseBufferRec: TYPE = RECORD[PACKED ARRAY Channel OF

SenseData];

WordAsBool: TYPE = PACKED ARRAY [0..16) OF BOOL;

WordsAsBool: TYPE = PACKED ARRAY [0..32) OF BOOL;

LongAsWords: TYPE = MACHINE DEPENDENT RECORD [

high: CARDINAL,

low: CARDINAL];

unassertedClock: DriveState ← IF HM6116 THEN H ELSE L;

assertedClock: DriveState ← IF HM6116 THEN L ELSE H;

sense: SenseBuffer ← NEW[SenseBufferRec];

vector: ChannelVector ← NEW[ChannelVectorRec];

currentCycle: CycleIndex;

tester: Tester;

WriteReadPattern: PROCEDURE [uh: UserHandle] = TRUSTED {

OPEN uh;

currentCycle ← 0;

InitializeTaps[pulseTaps, uh];

IllinoisChannelControl[channelControl];

IllinoisInitialData[initialData];

IF connected THEN tester ← InitializeTester[pulseTaps, channelControl, initialData];

vector.testerCycles ← 16;

ClearErrorMap[];

UNTIL uh.quit DO

FOR address: CARDINAL IN Address DO

localCycle: CycleIndex ← currentCycle;

IF (LAST[CycleIndex]-localCycle) < 4 THEN

THROUGH [localCycle..LAST[CycleIndex]) DO CycleRAM[uh, 0, 0, FALSE, TRUE] ENDLOOP;

CycleRAM[uh, address, 0, FALSE, TRUE];

CycleRAM[uh, address, 0, FALSE, FALSE];

CycleRAM[uh, address, LAST[INT], TRUE, TRUE];

CycleRAM[uh, address, LAST[INT], TRUE, FALSE];

IF uh.quit THEN EXIT;

ENDLOOP;

IF NOT uh.quit THEN FlushLoads[uh];

IF connected THEN FinalizeTester[tester];

};

IllinoisPattern: PROCEDURE [uh: UserHandle] = TRUSTED {

OPEN uh;

StepIndex: TYPE = [0..8);

complementUpper: ARRAY StepIndex OF BOOL = [TRUE, TRUE, FALSE, TRUE, FALSE, FALSE, TRUE, FALSE];

writeData: ARRAY StepIndex OF BOOL = [TRUE, FALSE, TRUE, TRUE, FALSE, TRUE, FALSE, FALSE];

readData: ARRAY StepIndex OF BOOL = [FALSE, FALSE, FALSE, TRUE, TRUE, TRUE, TRUE, FALSE];

halfBit: INT ← Size;

currentCycle ← 0;

InitializeTaps[pulseTaps, uh];

IllinoisChannelControl[channelControl];

IllinoisInitialData[initialData];

IF connected THEN tester ← InitializeTester[pulseTaps, channelControl, initialData];

vector.testerCycles ← 16;

ClearErrorMap[];

write zero to all locations

divide RAM by columns instead of rows

FOR address: Address IN Address DO

CycleRAM[uh, address, 0, FALSE, TRUE];

ENDLOOP;

FlushLoads[uh];

UNTIL (halfBit ← halfBit/2) = (IF HM6116 THEN 8 ELSE 4) DO

FOR step: StepIndex IN StepIndex DO

HalfStep[uh: uh, upper: complementUpper[step], data: writeData[step], write: TRUE, halfbit: halfBit];

FlushLoads[uh];

HalfStep[uh: uh, upper: NOT complementUpper[step], data: readData[step], write: FALSE, halfbit: halfBit];

FlushLoads[uh];

ENDLOOP;

IF quit THEN EXIT;

ENDLOOP;

IF connected THEN FinalizeTester[tester];

};

IllinoisChannelControl: PROCEDURE [channelControl: ChannelControlData] = TRUSTED {

OPEN channelControl;

FOR channel: Channel IN Channel DO

channels[channel] ← [FALSE, UnusedPulsePair, UnusedPulsePair];

ENDLOOP;

IF NOT HM6116 THEN {

channels[PrechargeChannel].outputPulsePair ← PrechargePulsePair;

channels[AccessChannel].outputPulsePair ← AccessPulsePair;

};

channels[WriteChannel] ← [TRUE, UnusedPulsePair, AccessPulsePair];

channels[ReadChannel] ← [TRUE, UnusedPulsePair, AccessPulsePair];

FOR address: AddressIndex IN AddressIndex DO

channels[AddressChannels[address]] ← [TRUE, UnusedPulsePair, AddressPulsePair];

ENDLOOP;

FOR data: DataIndex IN [0..LastDataIndex] DO

channels[DataChannels[data]] ← [TRUE, DataInPulseLine, DataOutPulsePair];

ENDLOOP;

};

IllinoisInitialData: PROCEDURE [initialData: ChannelVector] = TRUSTED {

OPEN initialData;

FOR channel: Channel IN Channel DO

stageData[channel].force ← ALL[T];

stageData[channel].sense ← ALL[FALSE];

ENDLOOP;

IF HM6116 THEN stageData[ChipSelectChannel].force ← ALL[L]

ELSE FOR stage: OutputStage IN OutputStage DO

stageData[PrechargeChannel].force[stage] ← IF stage MOD 2 = 0 AND stage<LAST[OutputStage]-1 THEN L ELSE H;

stageData[AccessChannel].force[stage] ← IF stage MOD 2 = 1 AND stage<LAST[OutputStage] THEN H ELSE L;

ENDLOOP;

FOR channel: Channel IN Channel DO

vector.stageData[channel].force ← ALL[T];

ENDLOOP;

SetCycle[LAST[CycleIndex], IF HM6116 THEN DefaultAddressState ELSE T];

IF HM6116 THEN vector.stageData[ChipSelectChannel].force ← ALL[L];

};

HalfStep: PROC [uh: UserHandle, upper: BOOL, data: BOOL, write: BOOL, halfbit: INT] = {

address: CARDINAL ← IF upper THEN halfbit ELSE 0;

addressMod: CARDINAL;

CycleRAM[uh, address, IF data THEN 0FFFFFFFFH ELSE 0, IF data THEN TRUE ELSE FALSE, write];

address ← address + 1;

addressMod ← address MOD (2*halfbit);

IF (upper AND addressMod=0) OR (NOT upper AND addressMod=halfbit) THEN address ← address + halfbit;

IF address>=Size THEN EXIT;

ENDLOOP;

};

CycleRAM: PROC [uh: UserHandle, address: Address, data: LONG CARDINAL, parity: BOOL, write: BOOL] = TRUSTED {

IF currentCycle=LAST[CycleIndex] THEN {

FlushLoads[uh]

};

SetRAMCycle[vector, currentCycle, address, data, parity, write];

currentCycle ← currentCycle+1;

};

FlushLoads: PROC [uh: UserHandle] = TRUSTED {

FOR cycle: CycleIndex IN [currentCycle..LAST[CycleIndex]) DO

SetCycle[cycle, DefaultAddressState];

ENDLOOP;

currentCycle ← 0;

FOR channel: Channel IN Channel DO

sense[channel] ← vector.stageData[channel].sense;

ENDLOOP;

IF uh.reportVectors THEN {

TerminalIO.WriteLn[];

FOR stage: OutputStage IN OutputStage DO

FOR channel: Channel IN Channel DO

TerminalIO.WriteChar[SELECT vector.stageData[channel].force[stage] FROM

H => 'H,

L => 'L,

T => 'T,

ENDCASE => ERROR];

ENDLOOP;

TerminalIO.WriteLn[];

ENDLOOP;

TerminalIO.WriteLn[];

};

IF uh.connected THEN {

Run[tester, vector];

};

FOR stage: InputStage IN [0..LAST[InputStage]) DO

FOR di: DataIndex IN [0..LastDataIndex] DO

IF sense[DataChannels[di]][stage] # vector.stageData[ DataChannels[di]].sense[stage] THEN {

a: WordAsBool ← ALL[FALSE];

IF vector.stageData[WriteChannel].force[ 2*stage+1]#assertedClock AND vector.stageData[ReadChannel].force[ 2*stage+1]#assertedClock THEN EXIT;

FOR ai: AddressIndex IN AddressIndex DO

a[ai+FirstAddressBit] ← vector.stageData[ AddressChannels[ai]].force[2*stage]=H;

ENDLOOP;

PutBit[errorBitmap, LOOPHOLE[a], di, TRUE];

IF uh.reportErrors THEN {

TerminalIO.WriteRope["Error at location: "];

TerminalIO.WriteInt[LOOPHOLE[a, CARDINAL]];

TerminalIO.WriteRope[", bit: "];

TerminalIO.WriteInt[di];

TerminalIO.WriteRope[", expected: "];

TerminalIO.WriteInt[LOOPHOLE[sense[DataChannels[di]][stage], CARDINAL]];

IF vector.stageData[WriteChannel].force[ 2*stage+1]=assertedClock THEN TerminalIO.WriteRope[", during a write cycle"] ELSE TerminalIO.WriteRope[", during a read cycle"];

TerminalIO.WriteLn[];

};

ENDLOOP;

Refresh[];

};

SetCycle: PROC [cycle: CycleIndex, addressData: DriveState] = TRUSTED {

OPEN vector;

thisStage: OutputStage ← 2*cycle;

nextStage: OutputStage ← thisStage+1;

FOR address: AddressIndex IN AddressIndex DO

stageData[AddressChannels[address]].force[thisStage] ← addressData;

stageData[AddressChannels[address]].force[nextStage] ← addressData;

ENDLOOP;

stageData[WriteChannel].force[thisStage] ← unassertedClock;

stageData[WriteChannel].force[nextStage] ← unassertedClock;

stageData[ReadChannel].force[thisStage] ← unassertedClock;

stageData[ReadChannel].force[nextStage] ← unassertedClock;

};

Scope loop

ScopeLoop: PROCEDURE [uh: UserHandle] = TRUSTED {

OPEN uh;

tester: Tester;

InitializeTaps[pulseTaps, uh];

ScopeLoopChannelControl[channelControl];

ScopeLoopInitialData[uh, initialData];

IF uh.reportVectors THEN {

TerminalIO.WriteLn[];

FOR stage: OutputStage IN OutputStage DO

FOR channel: Channel IN Channel DO

TerminalIO.WriteChar[SELECT initialData.stageData[channel].force[stage] FROM

H => 'H,

L => 'L,

T => 'T,

ENDCASE => ERROR];

ENDLOOP;

TerminalIO.WriteLn[];

ENDLOOP;

};

IF connected THEN {

tester ← InitializeTester[pulseTaps, channelControl, initialData];

FinalizeTester[tester];

};

ScopeLoopChannelControl: PROCEDURE [channelControl: ChannelControlData] = TRUSTED {

OPEN channelControl;

FOR channel: Channel IN Channel DO

channels[channel] ← [FALSE, UnusedPulsePair, UnusedPulsePair];

ENDLOOP;

IF NOT HM6116 THEN {

channels[PrechargeChannel].outputPulsePair ← PrechargePulsePair;

channels[AccessChannel].outputPulsePair ← AccessPulsePair;

};

channels[WriteChannel].outputPulsePair ← AccessPulsePair;

channels[ReadChannel].outputPulsePair ← AccessPulsePair;

FOR address: AddressIndex IN AddressIndex DO

channels[AddressChannels[address]].outputPulsePair ← AddressPulsePair;

ENDLOOP;

FOR data: DataIndex IN [0..LastDataIndex] DO

channels[DataChannels[data]].outputPulsePair ← DataOutPulsePair;

channels[DataChannels[data]].inputPulseLine ← DataInPulseLine;

ENDLOOP;

};

ScopeLoopInitialData: PROCEDURE [uh: UserHandle, initialData: ChannelVector] = TRUSTED {

OPEN initialData;

FOR channel: Channel IN Channel DO

stageData[channel].force ← ALL[T];

stageData[channel].sense ← ALL[FALSE];

ENDLOOP;

IF NOT HM6116 THEN FOR stage: OutputStage IN OutputStage DO

stageData[PrechargeChannel].force[stage] ← IF stage MOD 2 = 0 THEN L ELSE H;

stageData[AccessChannel].force[stage] ← IF stage MOD 2 = 0 THEN L ELSE H;

ENDLOOP;

FOR cycle: CycleIndex IN CycleIndex DO

SetRAMCycle [initialData, cycle, uh.scopeLoopData[cycle].address, uh.scopeLoopData[cycle].data, uh.scopeLoopData[cycle].parity, uh.scopeLoopData[cycle].write]

ENDLOOP;

IF HM6116 THEN stageData[ChipSelectChannel].force ← ALL[L];

};

Start[];

END.