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        .file   "strcmp.S"

        .section .text

        .global  _strcmp

        .type    _strcmp,@function

_strcmp:

        mov     #-1, r3         ; Strictly speaking this is incorrect, but I doubt if anyone will ever know.

        scmpu                   ; Perform the string comparison

        bnc     1f              ; If Carry is not set skip over

        scne.L  r1              ; Set result based on Z flag

        rts                     ;

1:                              ;

        mov     #-1,r1          ; Carry not set, result should be negative

        rts                     ;