Ax51 User's Guide

Technical Support

On-Line Manuals

Ax51 User's Guide

Ax51 Introduction

Assembling Programs

Writing Assembly Programs

Control Statements

Macro Processor

Standard Macro Processor

Standard Macro Controls

Defining Standard Macros

Calling Standard Macros

Exiting a Macro

Built-in Macros

Standard Macro Operators

< and > Operators

MPL Macro Processor

MPL Macro Overview

MPL Meta Character

Defining MPL Macros

Calling MPL Macros

Common Functions

Bracket Function

Comment Function

Escape Function

METACHAR Function

EVAL Function

Comparison Functions

Conditional Functions

REPEAT Function

Console I/O Functions

String Functions

SUBSTR Function

Literal Delimiters

Blank Delimiters

Identifier Delimiters

Literal and Normal Modes

Predefined Macros

EVAL Function

The EVAL MPL function returns the hexadecimal representation of the specified expression. The syntax for the EVAL function is:

%EVAL (expression)

The expression must be a legal expression. If it uses any macro identifiers, they must have been previously-defined.

Source Text

%SET (CNT, 10)          %' define variable CNT'
%SET (OFS, 20)          %' define variable OFS'

MOV  R1,#%EVAL (%CNT+1)
MOV  R2,#%EVAL (14+15*200)
MOV  R3,#%EVAL (-(%CNT + %OFS - 1))
MOV  R4,#%EVAL (%OFS LE %CNT)
MOV  R5,#%EVAL (%OFS GE %CNT)

Output Text

MOV  R1,#0BH
MOV  R2,#0BC6H
MOV  R3,#-29
MOV  R4,#00H
MOV  R5,#01H