Zilog ZUSBOPTS Manual de usuario descargar pdf (Pagina 261)

100

101

UM017105-0511 Directives

Zilog Developer Studio II – ZNEO™

User Manual

233

Synonym

.end

Syntax

<end_directive> =>

END[<expression>]

Example

END _start ; Use the value of _start as the program start

address.

EQU

Assigns symbolic names to numeric or string values. Any name used to define an equate

must not have been previously defined. Other equates and label symbols are allowed in 

the expression, provided they are previously defined.

Synonyms

.equ, .EQU, EQUAL, .equal

Syntax

<label>

EQU <expression>

Examples

length EQU 6 ; 1st dimension of rectangle

width EQU 11 ; 2nd dimension of rectangle

area EQU length * width ; area of the rectangle

reg EQU r7 ; symbolic name of a register

INCLUDE

Allows the insertion of source code from another file into the current source file during

assembly. The included file is assembled into the current source file immediately after the

directive. When the EOF (End of File) of the included file is reached, the assembly

resumes on the line after the

INCLUDE directive.

The file to include is named in the string constant after the

INCLUDE directive. The file

name can contain a path. If the file does not exist, an error results, and the assembly is

aborted. A recursive

INCLUDE also results in an error.

INCLUDE files are contained in the listing (.lst) file unless a NOLIST directive is active.

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