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Routine: LAFUNC

LAFUNC.m

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  1. LAFUNC ; IHS/DIR/FJE - GENERIC FUNCTIONS USED BY LA ROUTINES 7/20/90 08:28 ;
  1. ;;5.2;LA;;NOV 01, 1997
  1. ;;5.2;AUTOMATED LAB INSTRUMENTS;;Sep 27, 1994
  1. ;CHECKSUM CALCULATIONS AND NUMBER BASE CONVERSIONS.
  1. ;CHECKSUM CALCULATION VARIABLES
  1. ; LAX = STRING FOR CALCULATION
  1. ; LAS = POSITION TO START CALCULATION
  1. ; LAE = POSITION TO STOP CALCULATION
  1. ; LAY = FULL NUMERIC VALUE OF CHECKSUM
  1. ;NUMBER BASE CONVERSION VARIABLES
  1. ; LAX = NUMBER TO CONVERT
  1. ; LAY = NUMBER IN NEW BASE
  1. ; LAS, LAE = NOT USED
  1. ;ALL INTERNAL VARIABLES KILED. LAX,LAS,LAE RETURNED UNCHANGED
  1. ;
  1. AND ;AND AL CHAR IN STRING
  1. S LAY=$A(LAX,LAS) F II=LAS+1:1:LAE S LAY=LAY+$A(LAX,II)
  1. Q:$D(F) G EXIT
  1. NAND ;NOT AND OF STRING OF CHAR
  1. S F=0 D AND S LAY=-(LAY+1) G EXIT
  1. OR ;OR AL CHAR IN STRING
  1. S LAY=$A(LAX,LAS) F II=LAS+1:1:LAE S M=LAY,N=$A(LAX,II),B=64,LAY=0 X "F JJ=1:1:7 S K=M\B,L=N\B,O=$S(((K=L)&(M=0)):0,1:1),LAY=LAY*2+O,M=M#B,N=N#B,B=B\2"
  1. Q:$D(F) G EXIT
  1. NOR ;NOT OR OF STRING
  1. S F=0 D OR S LAY=-(LAY+1) G EXIT
  1. XOR ;XOR AL CHAR IN STRING
  1. S LAY=$A(LAX,LAS) F II=LAS+1:1:LAE S M=LAY,N=$A(LAX,II),B=64,LAY=0 X "F JJ=1:1:7 S K=M\B,L=N\B,O=$S(K=L:0,1:1),LAY=LAY*2+O,M=M#B,N=N#B,B=B\2"
  1. Q:$D(F) G EXIT
  1. XNOR ;EXCLUSIVE NOT OR OF STRING
  1. S F=0 D XOR S LAY=-(LAY+1) G EXIT
  1. BTOO ;BINARY STRING TO OCTAL
  1. S TEMP=LAX,F=0 D BTOD S LAX=LAY D DTOO S LAX=TEMP G EXIT
  1. BTOD ;BINARY STRING TO DECIMAL
  1. S LAY=0 F II=1:1:$L(LAX) S LAY=LAY*2+$E(LAX,II)
  1. Q:$D(F) G EXIT
  1. BTOH ;BINARY STRING TO HEX
  1. S TEMP=LAX,F=0 D BTOD S LAX=LAY D DTOH S LAX=TEMP G EXIT
  1. OTOB ;OCTAL TO BINARY STRING
  1. S TEMP=LAX,F=0 D OTOD S LAX=LAY D DTOB S LAX=TEMP G EXIT
  1. OTOD ;OCTAL TO DECIMAL
  1. S K=LAX,LAY=0 F II=1:1:$L(K) S LAY=LAY*8+$F("01234567",$E(K,II))-2
  1. Q:$D(F) G EXIT
  1. OTOH ;OCTAL TO HEX
  1. S TEMP=LAX,F=0 D OTOD S LAX=LAY D DTOH S LAX=TEMP G EXIT
  1. DTOB ;DECIMAL VALUE TO BINARY STRING
  1. S K=LAX,LAY="" F II=0:0 S L=K#2,K=K\2,LAY=L_LAY Q:K=0
  1. Q:$D(F) G EXIT
  1. DTOO ;DECIMAL TO OCTAL
  1. S K=LAX,LAY="",B=8,M=1
  1. F II=0:0 S L=K#B\M,LAY=$E("01234567",(L+1))_LAY,M=M*8,B=B*8 Q:(K\M=0)
  1. Q:$D(F) G EXIT
  1. DTOH ;CHANGE DECIMAL VALUE TO 6 HEX CHARACTERS
  1. S M=1,B=16,K=LAX,LAY=""
  1. F II=0:0 S L=K#B\M S LAY=$E("0123456789ABCDEF",(L+1))_LAY,M=M*16,B=B*16 Q:(K\M=0)
  1. Q:$D(F) G EXIT
  1. HTOB ;HEX VALUE TO BINARY STRING
  1. S TEMP=LAX,F=0 D HTOD S LAX=LAY D DTOB S LAX=TEMP G EXIT
  1. HTOO ;HEX TO OCTAL
  1. S TEMP=LAX,F=0 D HTOD S LAX=LAY D DTOO S LAX=TEMP G EXIT
  1. HTOD ;CHANGE HEX TO DECIMAL VALUE
  1. S K=LAX,LAY=0 F II=1:1:$L(K) S LAY=LAY*16+$F("0123456789ABCDEF",$E(K,II))-2
  1. Q:$D(F) G EXIT
  1. NUM W !,"ENTER NUMBER WITH BASE AS LAST CHAR. IE 0101B FOR BINARY: "
  1. R LAX:DTIME G EXIT0:'$T,EXIT0:LAX="",EXIT0:LAX="^",NUM1:"BODH"[$E(LAX,$L(LAX))
  1. W !!,"ENTER THE NUMBER FOLLOWED BY STARTING BASE. IE 3FH FOR 3F HEX." H 5 G NUM
  1. NUM1 S STR=$E(LAX,$L(LAX))_"TO",LAX=$E(LAX,1,($L(LAX)-1)),F=1,TY=0 F I=1:1:$L(LAX) S:TY<$A(LAX,I) TY=$A(LAX,I)
  1. I STR="BTO",TY<50 S CAL=STR_"O" D @CAL S LAY(2)=LAY,CAL=STR_"D" D @CAL S LAY(3)=LAY S CAL=STR_"H" D @CAL S LAY(4)=LAY,LAY(1)=LAX G PRT
  1. I STR="OTO",TY<56 S CAL=STR_"B" D @CAL S LAY(1)=LAY,CAL=STR_"D" D @CAL S LAY(3)=LAY S CAL=STR_"H" D @CAL S LAY(4)=LAY,LAY(2)=LAX G PRT
  1. I STR="DTO",LAX?.N S CAL=STR_"B" D @CAL S LAY(1)=LAY,CAL=STR_"O" D @CAL S LAY(2)=LAY S CAL=STR_"H" D @CAL S LAY(4)=LAY,LAY(3)=LAX G PRT
  1. I STR="HTO",((TY<58)!((TY>64)&(TY<71))) S CAL=STR_"B" D @CAL S LAY(1)=LAY,CAL=STR_"O" D @CAL S LAY(2)=LAY S CAL=STR_"D" D @CAL S LAY(3)=LAY,LAY(4)=LAX G PRT
  1. W !,"INVALID NUMBER",! H 5 G NUM
  1. PRT W !," BINARY: ",LAY(1),!," OCTAL: ",LAY(2),!,"DECIMAL: ",LAY(3),!," HEX: ",LAY(4),! K LAY G NUM
  1. TABLE ;PRINT TABLE OF CONVERSIONS FOR 0 TO 256 DECIMAL
  1. D ^%ZIS Q:POP S PAGE=0 U IO D HDR
  1. F I=0:1:256 S LAX=I D DTOB W $J(LAY,9) D DTOO W ?11,$J(LAY,3) W ?16,$J(I,3) S LAX=I D DTOH W ?21,$J(LAY,3) W:((I>31)&(I<128)) ?27,$C(I) W ! D:(($Y+4)>IOSL) HDR
  1. W @IOF U IO(0) D:IO'=IO(0) ^%ZISC G EXIT
  1. HDR S PAGE=PAGE+1 W @IOF,"NUMBER BASE CONVERSION TABLE",?(IOM-10),"PAGE: ",$J(PAGE,2),!," BINARY OCT DEC HEX ASC",!
  1. F J=1:1:(IOM-2) W "-"
  1. W !! Q
  1. EXIT0 K CAL,STR,TY
  1. EXIT K B,F,II,JJ,K,L,M,N,O,TEMP Q