Int 21/AX=250Ah

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Phar Lap 386/DOS-Extender - MAP PHYSICAL MEMORY AT END OF SEGMENT

AX = 250Ah
ES = segment selector in the Local Descriptor Table (LDT) of segment
to modify
EBX = physical base address of memory to map (multiple of 4K)
ECX = number of physical 4K pages to map

Return:
CF clear if successful EAX = 32-bit offset in segment of mapped memory CF set on error EAX = error code 08h insufficient memory to create page tables 09h invalid segment selector

See Also: INT 31/AX=0800h

Category: DOS Extenders - Int 21h - P

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