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AH = 65h AL = function 20h capitalize character DL = character to capitalizeReturn:
DL = capitalized character 21h capitalize string DS:DX -> string to capitalize CX = length of string 22h capitalize ASCIZ string DS:DX -> ASCIZ string to capitalize
Return:
CF set on error AX = error code (see #01680 at AH=59h/BX=0000h) CF clear if successful
Note: These calls have been documented for DOS 5+, but were undocumented in DOS 4.x.
BUG: Novell DOS 7 Update 15 crashes on AX=6521h when CX=0000h
Category: DOS Kernel - Int 21h - D
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