Atari 400 User Manual

Atari 810 Disk Drive 237
Illustration 7-14. Binary Load Example
SELECT ITEM OR [RETURN] FOR MENU
~I
LOAD FROM WHAT FILE?
FILEA.OB) ,
SELECT ITEM OR [RETURN] FOR MENU
In some situations in DOS 2.0, the binary file may require a
portion of the me mor y area used by DUP .SYS . If this occurs, the
portion of the binary file that requires memory used by DUP.SYS
will be saved on th e MEM.SAV file until the binary file has been
executed.
If the MEM .SAV file is not present, the following
message will appear.
NEED MEM .SA V TO LOAD FILE
M. Run At Address
The Run At Address operation is used to execute a machine
language program in memory by entering its hexadecimal
starting address. An example
of the use of the Run At Address
operation is given in Illustration 7-15.

Atari 400 Specifications

General

Manufacturer	Atari
Model	400
Type	Home Computer
Release Year	1979
CPU	MOS Technology 6502
CPU Speed	1.79 MHz
ROM	10 KB
Operating System	Atari OS
Keyboard	Membrane keyboard
RAM	8 KB (expandable to 48 KB)
Graphics	ANTIC and GTIA chips
Sound	4 channels
Display	RF output for connection to TV
Storage	Optional cassette tape drive or floppy disk drive
Ports	Cartridge
Display Resolution	320x192 (16 colors)