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AH = 65h AL = function A0h capitalize filename character DL = character to capitalizeReturn:
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
Category: DOS Kernel - Int 21h - D
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