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SEGMENT 

Defines a program segment called name having segment attributes


name SEGMENT [[READONLY]] [[align]] [[combine]] [[use]] [[characteristics]] ALIAS(string) [['class']]
      statements
      name ENDS

Parameters

align

The range of memory addresses from which a starting address for the segment can be selected. The alignment type can be any one of the following:

Align Type Starting Address

BYTE

Next available byte address.

WORD

Next available word address (2 bytes per word).

DWORD

Next available double word address (4 bytes per double word).

PARA

Next available paragraph address (16 bytes per paragraph).

PAGE

Next available page address (256 bytes per page).

ALIGN(n)

Next available nth byte address. See Remarks section for more information.

If this parameter is not specified, PARA is used by default.

combine

PUBLIC, STACK, COMMON, MEMORY, AT address, PRIVATE

use

USE16, USE32, FLAT

characteristics

INFO, READ, WRITE, EXECUTE, SHARED, NOPAGE, NOCACHE, and DISCARD

These are supported for COFF only and correspond to the COFF section characteristics of similar name (for example, SHARED corresponds to IMAGE_SCN_MEM_SHARED). READ sets the IMAGE_SCN_MEM_READ flag. The obsolete READONLY flag caused the section to clear the IMG_SCN_MEM_WRITE flag. If any characteristics are set, the default characteristics are not used and only the programmer-specified flags are in effect.

ALIAS( string )

This string is used as the section name in the emitted COFF object. Creates multiple sections with the same external name, with distinct MASM segment names.

Not supported with /omf.

For ALIGN(n), n may be any power of 2 from 1 to 8192; not supported with /omf.

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