| 1 | LAMIVTLX ;SLC/DLG/DALISC/PAC - VITEK LITERAL PROTOCOL CONTROLLER ;
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| 2 | ;;5.2;AUTOMATED LAB INSTRUMENTS;**12**;Sep 27, 1994
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| 3 | ;;
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| 4 | ;Call with T set to Instrument data is to/from
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| 5 | ; P1= RESET POINT FOR INCOMING RECORDS,
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| 6 | ; P3=Reset point FOR RECORDS SENT
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| 7 | S OSTX=$C(2),OETX=$C(3),OEDT=$C(4),OENQ=$C(5),OACK=$C(6),ONAK=$C(21)
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| 8 | RCHK K LATYPE S:IN'["~" LATYPE="X" S:'$D(LATYPE) LATYPE=$E(IN,$F(IN,"~"))
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| 9 | Q:"BCDEFUX^]"'[LATYPE
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| 10 | S LATYPE=$S(LATYPE="]":"GS",LATYPE="^":"RS",LATYPE="B":"RS",1:LATYPE)
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| 11 | S OLDTYPE=LATYPE D @LATYPE
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| 12 | ;,^LA(T,"I")=^LA(T,"I")+1 D @LATYPE
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| 13 | ;I LATYPE="B" G RCHK
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| 14 | Q
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| 15 | B ; ~B RECEIVED STX 2
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| 16 | D RS Q ; S OUT="",%=OUT Q
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| 17 | C ; ~C RECEIVED ETX 3
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| 18 | Q
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| 19 | D ; ~D RECEIVED EOT 4
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| 20 | I OLDTYPE="X" D CKSUM S OUT=$S(LASUM=LASUM1:$C(6),1:$C(21)) Q
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| 21 | I $D(^LA(T,"O",0)),^LA(T,"O")'=^LA(T,"O",0) S K=1 D OUT Q
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| 22 | Q
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| 23 | E ; ~E RECEIVED ENQ 5
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| 24 | ;S OUT=$C(6),%=OUT
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| 25 | S ^LA(T,"P1")=CNT+2,OUT=$C(6),%=OUT
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| 26 | ;I ^LA(T,"O",^LA(T,"P3"))[$C(29) S ^LA(T,"O",0)=^LA(T,"P2") L ^LA(T) S Q=^LA("Q")+1,^("Q")=Q,^LA("Q",Q)=T L ;OUTPUT WAS HUNG RESET FOR RETRANSMISSION
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| 27 | S T=T-BASE Q
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| 28 | ;
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| 29 | F ;~F RECEIVED ACK 6
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| 30 | S O=^LA(T,"O",0),^LA(T,"P3")=$S(^LA(T,"O",O)[$C(2):O+1,1:O) S K=1 D OUT
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| 31 | Q
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| 32 | GS ; ~] GS RECORD NEXT RECORD SHOULD BE X TYPE LENGTH 2 ? 35
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| 33 | D CKSUM Q ;S OUT=OACK,%=OACK Q
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| 34 | RS ; ~^ RECEIVED RS DATA PACKET 30
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| 35 | D CKSUM Q
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| 36 | U ; ~U RECEIVED NAK 21
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| 37 | S ^LA(T,"O",0)=^LA(T,"P3"),K=1 D OUT Q ;RECEIVED NAK
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| 38 | X ;RECEIVED GS CKSUM PACKET/?
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| 39 | ;D CKSUM I $L(IN)=2,$E(IN,2)="D" S OUT=$C(6),%=OUT,^LA(T,"P1")=CNT+1 S T=T-BASE K LASUM,LASUM1 Q
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| 40 | D CKSUM I $L(IN)=2 S OUT=$S(LASUM=LASUM1:$C(6),1:$C(6)),%=OUT S:LASUM=LASUM1 ^LA(T,"P1")=CNT+1 S T=T-BASE K LASUM,LASUM1 Q ;RECEIVED GS CKSUM PACKET
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| 41 | S ^LA(T,"P1")=CNT+1
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| 42 | Q
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| 43 | CKSUM S:'$D(LASUM) LASUM=0
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| 44 | S LASUM=$S(LATYPE="RS":30,LATYPE="GS":29,LATYPE="X":23,1:0)+LASUM
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| 45 | ;I LATYPE="X",($L(IN)>2) F I=1:1:$L(IN) S LASUM=LASUM+$A(IN,I)
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| 46 | ;I LATYPE="X",($L(IN)=2)
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| 47 | I LATYPE="X" S LASUM=LASUM-23,LASUM=LASUM#256,LASUM1=$F("0123456789abcdef",$E(IN,1))-2*16+($F("0123456789abcdef",$E(IN,2))-2)
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| 48 | Q
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| 49 | OUT D NEXT Q:'$D(^LA(T,"O",O)) Q:%[$C(29) ;Q:%[$C(4) Q:%[$C(5)
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| 50 | S K=K+1 G OUT Q
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| 51 | NEXT S O=^LA(T,"O",0)+K Q:'$D(^(O)) S %=^(O)
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| 52 | L ^LA("Q") S Q=^LA("Q")+1,^("Q")=Q,^("Q",Q)=T L Q
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| 53 | ACK S LASUM1=$F("0123456789abcdef",$E(IN,121))-2*16+($F("0123456789abcdef",$E(IN,122))-2)
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| 54 | S LASUM=0 F I=1:1:120 S LASUM=LASUM+(255-$A(IN,I)+1)
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| 55 | S LASUM=LASUM#256,OUT=$S(LASUM=LASUM1:$C(6),1:$C(21)),%=OUT S T=T-BASE Q
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| 56 | ;S LASUM=LASUM#256,OUT=$C(6),%=OUT S T=T-BASE
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| 57 | Q
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