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5.2.4 Data definition/Area reservation directives

The data definition directive defines the constant data used by the program.

The defined data value is generated as object code.

The area reservation directive secures the area for memory used by the program.

The following data definition and partitioning directives are available.

Table 5.20

Data Definition/Area Reservation Directives

Directive

Overview

.DB

Initialization of byte area

.DB2

Initialization of 2-byte area

.DB4

Initialization of 4-byte area

.DB8

Initialization of 8-byte area

.DS

Secures the memory area of the number of bytes specified by operand

.DBIT

Allocates a bit area of one bit

.ALIGN

Aligns the value of the location counter