Zilog ZUSBOPTS Manual do Utilizador descarregar pdf (Página 260)

100

101

Directives UM017105-0511

232

Zilog Developer Studio II – ZNEO™

User Manual

Synonym

ORIGIN

Example

DEFINE near_code,ORG = %FFF8

; Uses current space, byte alignment, and absolute starting

; address at memory location %FFF8.

SPACE Clause

A SPACE clause defines the address space in which the segment resides. The linker groups

together segments with the same space identification. See Table 18, “ZNEO Address

Spaces,” on page 212 for available spaces.

Syntax

<space_clause> => ,

SPACE = <indent>

Example

DEFINE fdata,SPACE = ERAM,ALIGN = 2

; Aligns on a 2-byte boundary, relocatable.

Defines storage locations that do not need to be initialized.

Synonym

.block

Syntax

<define_storage> =>

DS <value>

Example

NAME DS 10 ; Reserve 10 bytes of storage.

END

Informs the assembler of the end of the source input file. If the operand field is present, it

defines the start address of the program. During the linking process, only one module can

define the start address; otherwise, an error results. The END directive is optional for

those modules that do not define the start address.

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