INT 2fH 1a00H: Is ANSI.SYS Installed?
Compatibility: 3.0+
Expects: AX 1a00H
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Returns: AL status: 00H = is not installed
ffH = is installed
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Info: Checks to see if the ANSI.SYS console device driver has been
installed (via CONFIG.SYS) and is resident in memory.
Use this before assuming that ANSI Console Escape Sequences will
work.
See Also: INT 2fH: Multiplex Interrupt
DOS Functions
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