Atari 800 User Manual

Atari BASIC Reference Guide 107
CONFIGURATION
DEG
EXAMPLE
10 DEG
20 PRINT SIN(90)
RUN
1
The example shows that the sine of 90° is 1. If the DEG statement
was not present, the result would be 0.8939970243.
DIM (DI.)
The DIM statement is used to set aside memory space for strings
and 1
or 2 dimensional arrays. Two dimensional arrays, or
matrices, can be used to make tables of values.
CONFIGURATION
X(a[,b]) r Y(c[ , d]~
DIM X$(a) lY$(C) J'
A DIM statement can include any combination of numeric and
string variable dimension statements. For example, DIM
A(10,10), 8(9), A$(90), 8$(90) dimensions all four variables in one
statement.
A string
variable can contain only one string. The dimension of a
string
variable indicates the maximum number of characters that
the string variable can contain.

Atari 800 Specifications

General

Processor	MOS Technology 6502
Processor Speed	1.79 MHz
ROM	10 KB
Graphics	ANTIC and GTIA chips
Release Year	1979
Display Resolution	up to 320 x 192
Colors	128 colors
Sound	4 channels
Storage	Cartridge, cassette, floppy disk
Ports	Cartridge, serial, monitor
Operating System	Atari OS