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BASIC Source File  |  1993-01-29  |  969 b   |  24 lines
  1. '   +----------------------------------------------------------------------+
  2. '   |                                                                      |
  3. '   |        BASWIZ  Copyright (c) 1990-1993  Thomas G. Hanlin III         |
  4. '   |                                                                      |
  5. '   |                      The BASIC Wizard's Library                      |
  6. '   |                                                                      |
  7. '   +----------------------------------------------------------------------+
  8.  
  9.    DECLARE FUNCTION BCDSgn% (Nr AS STRING)
  10.    DECLARE FUNCTION BCDSub$ (Nr1 AS STRING, Nr2 AS STRING)
  11.  
  12.    DEFINT A-Z
  13.  
  14. FUNCTION BCDCompare (Nr1 AS STRING, Nr2 AS STRING)
  15.    Sign1$ = LEFT$(Nr1, 1)
  16.    IF Sign1$ = LEFT$(Nr2, 1) THEN
  17.       BCDCompare = BCDSgn(BCDSub$(" " + MID$(Nr1, 2), " " + MID$(Nr2, 2)))
  18.    ELSEIF Sign1$ = "-" THEN
  19.       BCDCompare = -1
  20.    ELSE
  21.       BCDCompare = 1
  22.    END IF
  23. END FUNCTION
  24.