Int 31/AX=0304h

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DPMI 0.9+ - FREE REAL MODE CALLBACK ADDRESS

AX = 0304h
CX:DX = real mode callback address

Return:
CF clear if successful CF set on error AX = error code (DPMI 1.0+) (8024h) (see #03143)

Note: The limited DPMI host built into Phar Lap's 286|DOS-Extender v2.5 does not support this function

See Also: AX=0303h

Category: DOS Extenders - Int 31h - D

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