;--------------------------------
;chr_islower(1)/1
;Check if lowercase
;--------------------------------
;push1  : Character to check
;--------------------------------
;Ret    : EAX - 0 if no. 1 if yes
;Note   : -
;--------------------------------
align 4
chr_islower:
        movzx   eax,word[esp+4]
        bt      ax,5
        mov     eax, 0
        setc    al
        ret     4