[Absolute Value of]                                 [Assembler][/][MC68000]

This gem returns the absoulte value of any integer value you may send to
the routine. This is the smallest version and probably the fastest (atleast
on a MC68000 and the number is negative), neg.l is 6 cycles, branch taken
10, not taken 8.

;
; returns the absolute value of input
;
; input:
;   d0.l = in value
;
; output:
;   d0.l = absolute value of in value
;
; destroys:
;   flags
;

.localloop
        neg.l   d0
        bmi     .localloop

                                                  Gem writer: John Eckerdal
                                                   last updated: 1998-03-16
