en:docs:dos:api:int21:65:a1

Note: This API call is for DOS personality only. Use Family API for portability.

2018/09/07 07:04 · prokushev

Int 21H, AH=65H, AL=A1H

Version

4.0 and higher

Brief

capitalize counted filename string

Family API

Input

AX = 65A1h
DS:DX -> filename string to capitalize
CX = length of string

Return

 CF set on error
AX = error code (see #01680 at AH=59h/BX=0000h)
CF clear if successful

Macro

Notes

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

See also

Note


en/docs/dos/api/int21/65/a1.txt · Last modified: 2021/08/06 07:51 by prokushev