Atari 400 - Page 303

Appendix D. 301
Appendix D. Atari 400/800 Memory Map
The following illustrations and tables depict the organi z ation of
memory in the Atari 400 / 800. Note that the addresses for the top
of RAM, OS, and BASIC may differ according to the amount of
memory present.
Illustration D-1. Memory Map Without BASIC
65536
57344
55296
53248
49152
40960
32768
10879
1792
o
Op e rating Syst em ROM'
Floating Point Routines
Ha rdware Registers
2
Not Used
Cartridge Slot A
Cartridge Slot B3
RAM (8-40K)
DOS
Op e rating Sy stem RAM4