       .TITLE ISIGN  TRANSFER OF SIGN FOR INTEGER ARGUMENTS
/ 
/ 
/                   FIRST PRINTING, FEBRUARY 1974
/ 
/ THE INFORMATION IN THIS DOCUMENT IS SUBJECT TO 
/ CHANGE WITHOUT NOTICE AND SHOULD NOT BE CONSTRUED
/ AS A COMMITMENT BY DIGITAL EQUIPMENT CORPORATION.
/ DIGITAL EQUIPMENT CORPORATION ASSUMES NO RESPON-
/ SIBILITY FOR ANY ERRORS THAT MAY APPEAR IN THIS
/ DOCUMENT.
/ 
/ THE SOFTWARE DESCRIBED IN THIS DOCUMENT IS FUR-
/ NISHED TO THE PURCHASER UNDER A LICENSE FOR USE ON
/ A SINGLE COMPUTER SYSTEM AND CAN BE COPIED (WITH
/ INCLUSION OF DIGITAL'S COPYRIGHT NOTICE) ONLY FOR 
/ USE IN SUCH SYSTEM, EXCEPT AS MAY OTHERWISE BE PRO-
/ VIDED IN WRITING BY DIGITAL.
/ 
/ DIGITAL EQUIPMENT CORPORATION ASSUMES NO RESPONSIBILITY
/ FOR THE USE OR RELIABILITY OF ITS SOFTWARE ON EQUIP-
/ MENT THAT IS NOT SUPPLIED BY DIGITAL.
/ 
/ COPYRIGHT (C) 1974, BY DIGITAL EQUIPMENT CORPORATION
/ 
/ 
        .EJECT
/COPYRIGHT 1970, DIGITAL EQUIPMENT CORP., MAYNARD, MASS.
       .GLOBL ISIGN,.DA
/             CALLING SEQUENCE
/      JMS*   (ISIGN)         SUBR CALL
/      JMP    .+3             SUBR RETURN
/      CAL/XCTADDR            ADDR OF ARG1
/      CAL/XCTADDR            ADDR OF ARG2 (XCT IF INDIRECT)
/
ISIGN  CAL    0              /ENTRY-EXIT
       JMS*   .DA            /GET ARGUMENTS (.DA)
       JMP    ISIG03
ISIG01 CAL    0              /ARG1
ISIG02 CAL    0              /ARG2
ISIG03 LAC*   ISIG01         /SET LINK BIT IF SIGNS DIFFER
       XOR*   ISIG02
       RAL
       LAC*   ISIG01         /GET ARG1 READY FOR -SIGNS EQUAL- EXIT
       SNL                   /SKIP IF SIGNS DIFFER
       JMP*   ISIGN          /EXIT
       CMA                   /GET TWO@S COMP OF ARG1
       TAD    ISIG05
       JMP*   ISIGN          /EXIT
ISIG05        1
       .END
