pTAL Reference Manual (H06.08+)

Contents

HP pTAL Reference Manual—523746-006

iii

5. Expressions

Data Types of Expressions 5-2

Operator Precedence 5-3

Arithmetic Expressions 5-5

Signed Arithmetic Operators 5-6

Scaling of FIXED Operands 5-7

Using FIXED(*) Variables 5-8

Unsigned Arithmetic Operators 5-8

Bitwise Logical Operators 5-10

Using Bitwise Logical Operators and INT(32) Operands 5-10

Comparing Addresses 5-11

Extended Addresses 5-12

Nonextended Addresses 5-12

Constant Expressions 5-14

Conditional Expressions 5-15

NOT, OR, and AND Operators 5-17

Relational Operators 5-18

Special Expressions 5-20

Assignment 5-20

CASE 5-21

IF 5-23

Group Comparison 5-24

Bit Operations 5-31

Bit Extractions 5-31

Bit Shifts 5-33

6. LITERALs and DEFINEs

Declaring Literals 6-1

Declaring DEFINEs 6-3

Calling DEFINEs 6-5

How the Compiler Processes DEFINEs 6-6

Passing Actual Parameters to DEFINEs 6-7

7. Simple Variables

Declaring Simple Variables 7-1

Specifying Simple Variable Address Types 7-3

Initializing Simple Variables With Numbers 7-4

Initializing Simple Variables With Character Strings 7-4

Examples 7-4