DOS/32 Advanced DOS Extender - Programmer's Reference

3.09 - DOS function 34h - Get InDOS Flag Address


In: AH = 34h
Out: ES:EBX = address of InDOS flag


a) The selector returned in ES register will be zero selector, ie readable/writeable data selector with Base=0. This is an internal to DOS/32 Advanced selector which may NOT be freed or modified under any circumstances.


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