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AX = FF21h BX = number of paragraphs to allocate
Return:
CF clear if successful AX = real-mode segment of allocated block DX = initial selector for block CF set on error AX = DOS error code (see #01680 at INT 21/AH=59h/BX=0000h) BX = size of largest available block
Note: If the requested size is greater than 64K, contiguous selectors will be allocated, one for each 64K; for 32-bit applications, the first selector's limit will be set to the size of the entire block, while that selector will have a limit of 64K for 16-bit applications. All selectors after the first one have a limit of 64K except the final one
See Also: AX=FF22h - AX=FF23h - INT 21/AH=48h
Category: DOS Extenders - Int 31h - C
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