DOS/32 Advanced DOS Extender - Programmer's Reference
2.54 - API function 01h - Get Access to Page Tables
AL = 01h
BX = writeable data selector ECX = number of allocated page tables EDX = number of allocated page tables for physical address mapping ESI = pointer to 0-th page table EDI = pointer to first page table for physical address mapping
a) Selector returned in BX is a writeable data selector that should be used to access needed variables/addresses.
b) This function will return the correct values under VCPI only.