Zilog Z8F0130 Uživatelský manuál stáhnout pdf (Strana 97)

UM013037-1212 Project Menu

Zilog Developer Studio II – Z8 Encore!

User Manual

Defines

The

Defines field is equivalent to placing <symbol> EQU <value> in your assembly source

code. It is useful for conditionally built code. Each defined symbol must have a corre-

sponding value (<name>=<value>). Multiple symbols can be defined and must be sepa-

rated by commas.

Generate Assembly Listing Files (.lst)

When selected, the

Generate Assembly Listing Files (.lst) checkbox tells the assembler

to create an assembly listing file for each assembly source code module. This file displays

the assembly code and directives, as well as the hexadecimal addresses and op codes of

the generated machine code. The assembly listing files are saved in the directory specified

by the Intermediate

Files Directory field in the General page (see the Intermediate Files

Directory section on page 71). By default, this checkbox is selected.

Expand Macros

When selected, the

Expand Macros checkbox tells the assembler to expand macros in the

assembly listing file.

Page Width

When the assembler generates the listing file, the

Page Width field sets the maximum

number of characters on a line. The default is 80; the maximum width is 132.

Page Length

When the assembler generates the listing file, the

Page Length field sets the maximum

number of lines between page breaks. The default is 56.

Jump Optimization

When selected, the

Jump Optimization checkbox allows the assembler to replace relative

jump instructions (JR and DJNZ) with absolute jump instructions when the target label is

either

•

outside of the +127 to –128 range

For example, when the target is out of range, the assembler changes

DJNZ r0, lab

DJNZ r0, lab1

JR lab2

lab1:JP lab

lab2:

•

external to the assembly file

1 2 ... 92 93 94 95 96 97 98 99 100 101 102 ... 213 214

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