[原]汉字及区位码互转

function getatcode(byval widechar as string * 2) as string
    dim byt(1 to 2) as byte
    static bytptr as dword
    bytptr = varptr(byt(1))

    !   push  esi
    !   push  edi
    !   lea   esi, offset widechar
    !   mov   edi, bytptr
    !   cld
    !   mov   ecx, 1
    !   rep   movsw
    !   pop   edi
    !   pop   esi
    function = "&H" & hex$(byt(1) - &HA0, 2) & hex$(byt(2) - &HA0, 2)
end function

function atcode2char(byval atcode as long) as string
    dim byt(1 to 2) as byte
    static widechar as string * 2, bytptr as dword
    byt(1) = val("&H" & left$(hex$(atcode, 4), 2)) + &HA0
    byt(2) = val("&H" & right$(hex$(atcode, 4), 2)) + &HA0
    bytptr = varptr(byt(1))

    !   push  esi
    !   push  edi
    !   mov   esi, bytptr
    !   lea   edi, offset widechar
    !   cld
    !   mov   ecx, 1
    !   rep   movsw
    !   pop   edi
    !   pop   esi
    function = widechar
end function