Atari 800 User Manual

222 User's Handbook to the Atari 400/ 800 Computers
If the drive number is omitted, DOS will assume drive 1 is to be
searched.
In other words D1 is the default value for the drive
identifier .
Filename match characters can be u
sed in the filename portion
of the SEARCH SPEC parameter. For instance, the following
entry,
D2:*.DAT
would cause all files on drive 2 with the filename extension DAT
to
be listed. The default va lue for the filename portion of the
SEARCH
SPEC parameter is *.* . This value causes all files to be
list
ed, as *.* matches all filenames.
The second disk
directory parameter, LIST FILE, specifi es the
device
where the directory output is to be listed. The default
value for the output device is E:, which indicates the video
screen.
If you wish to have the directory li st ing sent to the printer, use P:
as the LIST FILE parameter. For exampl e, the following entry,
D2:*.DAT , P:
would cause all files on drive 2 with the extension DAT to be
listed by the printer.
When using the LIST FILE option, be certain to sepa rate your
entry from the SEARC H SPEC entry with a c omma .
B. Run Cartridge
When the Run Cartridge operation is cho sen from the DOS
Menu, DOS will return contro l of the Atari compute r to the
cartridge inserted in the
unit. If the BASIC cartridge is ins erted,
the BASIC prompt,
READY
will be displayed on the screen. If the Assembler Editor cartridge

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