At 10:29 AM 11/30/2012, Ladislav Lacina wrote:
>Ralf, you are wrong, you are speaking about INT21h/AX=6521h but we
>are discussing about INT21h/AX=6501h
Oops, sorry my bad, but I was not talking about 21h/6521h, what I
found was this, and with not enough coffee yet, I misread A1h for
01h. I apologize... :-(
INT 21 U - DOS 4.0+ internal - COUNTRY-DEPENDENT FILENAME CAPITALIZATION
AH = 65h
AL = function
A0h capitalize filename character
DL = character to capitalize
Return: DL = capitalized character
A1h capitalize counted filename string
DS:DX -> filename string to capitalize
CX = length of string
A2h capitalize ASCIZ filename
DS:DX -> ASCIZ filename to capitalize
Return: CF set on error
AX = error code (see #01680 at AH=59h/BX=0000h)
CF clear if successful
Note: nonfunctional in MS-DOS 4.00 through 7.10 (Win98) due to a bug (the
code sets a pointer depending on the high bit of AL, but doesn't
clear the bit before branching by function number). Supported and
functional(!) in Novell DOS 7 (Update 15), as well as PC-DOS 7 and
OS/2 MVDM
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