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^{LOG DATE 1o+ot+65 902 SH!l!T VERStON}

MANUAL

!53"904 COfiPAAF LDGTCAL(SS)

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^{l I ua}

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DEFINITION$

L'SXGN STAT •

•

CORlll!SPONDS TD S TRlGGEA IN DISCRXPTlON . OF . !till INSTRUCTION• TURNIO ·Oil TO

ZNDXCATI SXGN:tFlCANCI HAS !IM• TURNED Df'F IF• 11 A PLtll SIGN IS .,..TICT!D• 2> A FIEUI 8l!PARATIM XS ~JRID

R 51.GN STAT . •· R ON INDtCATES A. SIGN HAS BIEN DITICTetr lN RIGHT DIGIT POSITXDN OP CUfJIRENT SOURCI! BYTE ·

, ' (

,\

•

RESIT NaN-l!RO STAT• THENSTDRI? flt JI' Nl!CUSAAY

.,.,. .... .,..,.._.,.,.""'m""'1o1_ ... __ ... ,._ ... _.,,.._... __ ,.,. ... .,. ... __ ,..,...,_.,..,,.. ... ,,., ... -. ... -.. , ..,...,,,.. __ .... _,,, ... ,....,.,_., ,...,.. .... _ •• ..,_ ... _ .... ___ ..., ... - . -.. ,,.,,.. ____ °"QPIOC• • ml

• - ...-_....OD NO SIGN IN'SCJUlllCI! IYTe \

, _, .. s-•••TOft.

J

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: i!;..j- ^{i j:-}

t

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· t~ STATh RC&-allt MN -"'-4

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IF ~•l+RSON .R GZ'tMl3 . 0 XI! NOT SGNtc>HtSGN' · J t - *O -.J V' /tOtLSGN FlLL CHAR TO M TEST V MEX VM.UE. STEP. CCIUtlTDS

tf 20t OO•AI PTRN Alla I 1 TO tF 11• 01•AI RCe-31)

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e

1100 ^{DIG NOT • 0} I ·

S l..Ll•U ' A R+fl1l!I I W+u

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DATE 10/01+65

LOG 902 SHEET 1 QP202

VERSION FDTTe Et>IT AND MARK Cine Ff)M()

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^{DATE t.DG} _~DrT. ^{10/01+65 902} EDIT ANft MAJtK ^{SHEET VEASroN} <en. EDMK) ¹

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D HOThG-1 D M&t1

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^{DATE lo+o1165 SHEET 1 llP201}

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son I S'TDRF'•PETCH PTlltNeSOURCE .

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EDIT AND MARK '

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C2050 MANUAL

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DATE lo+ol/6! _{LOG 902} SHEET _VERSION .1 QP20~

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EDIT• F.DtT AND llltAlllK CF.D. F!*K> I SPT COND RF.G.

GIN

R!G l I

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AND I

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I

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..., 3+MD ^{L WS1•LSA}

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3 TU MD TU INDICATE

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lj

I Cl.USlVE OR _{1UXX - 061C}

Le

_{XX - 0646}

0011 I 0100

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A L+A

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l

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SAME BRANCH AS l'LA53

1ST ADR TEST NOT OVERLAP CASE ·

.xx - 064A Xx - 0641 OP2 ADR • OR GTR THAN CIPl ADR 10 - 0652 GO fCI MAIN LOOP STOR! Olt1 WORD

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TO MUN LOOP

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C E+SOJ R CSTAT 0

Gl- XX ....0 G2- *O -G 1ST OP1 WORD TO M

M(QP2 A0^{DR> •} L(OP1 DP1 ADA TO - · R S!T MB • 1$T ·gp1

ADR> T Mtr;IA~ ~T ~ WORD' TO ' BVTE ADR

... -.. ,..,.. I I - "'

.,.. .. "' _, lT wr MCllDR

LO BITS DF MC!NtTIAL DIFPEReNCE> TO MB OP2 IVTE ADR> TO LB l'OR 3RD ADR TEST

D!FXNITIONS

TN ON ZERO STAT BR ON REil.LT OF 1ST ADR T!ST NOTE•

I, Dfll IS GREATER THAN aP2 THE DIF- 'ERENCE IN H IS IN 25 Cgpf'L 'ORM

IF COft1.;,;op2>•~

CONTAINS AL.L 5

BUT DM.V MC30• 1>

NEl!D 8e TESTED FOR CASI l SO TH!SE 8tTS ARE SAVED IN MB .

CASE t (STAT U- MCllUf THAN 4 BYTES! 80TH PETCH AND STORE Rl!GuIR!D ON ENTP NG MAIN LODP-

( CJf 1 ADR • OP2 A.Oft> • 4Nt N NOT • 1 CASE 2 (STAT 2>• 4 OR L.ESS BYT!St SIMULTANEOUS FETCH AND OVERLAP

STORI!! REQIJ•ti-

CCP1 ADl!t • OPZ ADR) • 4Nt N NOT • 1

· 1~Ear'AL-~t~ls·uleo

²

Fal'~s

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CASE1 NOTE oP2 WORDS ARE NOT !'ETCHED FROM MAIN STIMAGE AFTER THE lNITUL FETCH

CASE 3 CCARltv - A SPECIAL OWIU.AP CASI WHERE s'l'A'h cgp1 ADflt - oP2 ADA> • 1

NOT! fHAT'THE C#tRV STAT ts 1NtTIALLV USED IN ADl>ftlSS TESTING AND THEN USED tN THE OVEFILAP AOUTXNI TO INDICATE CASE 3

Z!AD STAT CSOJ • INITIAL.I. Y DNe TURNED OFF IF A NrJN..ZERO BYTE IS STORID PRIQR Tn TME FtNAL STORE

F Ft!GtSTEFt

• 1110 • 0 XNDtCATES MaVE CettARACTSIS) '

INSTRUCTTnN.tS BEING PE,_,.DRMED

• F • 0 lNDl~S MOVt TvP! lNSTUCTlON IS IElNG PEAi' D• TESTED AT END OF PAOGllAM TO O!TERMIN& WHETHER COt.rOITION CODE SHOULD BE SET

oP2 ADflt Less THAN Ol'l ADR

f'ERFORM 2ND ADR TEST

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1

^...-0 «DP1 ADR • OP2 ADR>

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sl~

CAR

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2ND ADA T!ST•

l4 - ADR DIFFE"ENCE>

NOTE•

M CONTAINS TWOS COMPL OF COP! ADR - OP2 ADR>

*

^{WORKING STORE}

WS 1 • oRtGtNAL oPERAND 1 ADDRESS WS 2 • ORIGINAL. Ol'ERA~ 2 ADDRESS

WS 4 • 1ST oP!lltAND 2 WORD

*

^STATS

STAT 0 - ZERO STAT STAT 1 • CASE 1 STAT 2 • CASE 2

CARRY STAT ... CASI S

OV!RL.AP CASE

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1

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R ~893 0

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~D ADA TEST•

Tf!ST FOR CASE 3

see

NOTE UNDER PL.A3F

1ST Ol'l WORD TO M SET Ml • 1ST GP1

IVTE ADDR

L. WS2+L.SA

L. LS+R•L.S OP1 ADR TO SAR

c l••••

=~! ~

l'ROc:ESS 1ST BYTE

Qltl ADR TO H CP2 AllR TO ~

11RANCH ON -M FlL.LEDt OR '"""-I.. BYTES IN L fllFIOCESSED GO TO END ROUTINE 1X - 063!

---1

8 L.L.B•U MMB+V ^R•H I T+W

I W+MMI

D G-1 D LleMBJl L ws2•LSA

L. LS+RILS

~ ~5? ...

³

L"-

**"""""

Pf'OCESS 1ST BVT!

DPl ADR TO H

Ofll2 ADR TD R BftANCH ON-

-flt l'It..L.EDt

-Na BVTIS AEMAlNtNG

:IN oP2t OR

-AL.I. ISVT!S IN L.

f'ROCESSED

o-~

^... PHA-.,.u .. sTE_D .... · - - - - P E - i

~7~-

L.._ 11 -'-l 1'4EXT Dfl'2 ADR TO SAA

,ETCH 1'4EXT DP2 WOftD AND STORE OP1 WORD M·Ftu.eo AND e

01~A

... 0657

L EXHAUSTED A A+'•AtA--

..,_ _ _ _ _ _ _ _ _ oC SO!OI!!

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^LOOP

Q... 11 -cit

·----CiQl1P•:l30--LGf' NEXT CIP2 ADR JO

I

(00t0h10•11) SAfh R, WS4 TO !ND-"f)UTDI!

SET STAT 1 TO XNDICATEI

STORE ALSO R!~D ... IP820•• ...._.

• ... _ ... _ ... - ... - -... _ ... __ < ... ~ ...

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0

^~~AP

BRANCH ON COP1 AM • oP2 ADA) • I• CCASE 3) ROUTINE

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MAM.JAL 5364801

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DATE 1o+o1165

LOG 902 SHl!ET

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